What conclusion did Darwin draw from the observation that the
A. cristatus lizard would let a person catch their tail before
jumping in the water?
O It has many predators in the ocean.
0 It does not like to swim in the water.
o It feels safer in the ocean than on shore.
It is not adapted for swimming.
Answers
Answer:
d
Explanation:
Answer:
D.
Explanation:
I answered and it was correct.
Related Questions
Describe Patterns Explain in your own words how sharks have changed throughout
their evolutionary history and suggest some reasons why these changes may have
occurred. Think about the shark species you saw in this lab and how they differ and how
they are the same.
Answers
Answer:
HOPE IT HELPS
Explanation:
Sharks have been around for over 400 million years, and throughout their evolutionary history, they have undergone a variety of changes. Some of these changes include the development of more streamlined bodies, the evolution of different teeth shapes and sizes, and the development of more efficient swimming techniques. These changes may have occurred due to a variety of factors, such as changes in the environment, changes in food sources, and competition with other species.
For example, the shark species I saw in this lab, the Great White Shark, has a unique set of adaptations that allow it to be an efficient predator. Its streamlined body and powerful tail allow it to swim quickly and efficiently through the water, while its sharp teeth and keen senses help it to locate and capture prey. Other shark species, such as the Hammerhead Shark, have evolved unique head shapes that help them to detect and capture prey in different ways. These adaptations may have evolved due to differences in food sources or competition with other species. Overall, the evolutionary history of sharks is complex and fascinating, and studying these patterns can help us to better understand how species adapt and evolve over time.
Sharks have undergone significant changes throughout their evolutionary history. Over millions of years, they have adapted and diversified to occupy various ecological niches in the marine environment. These changes can be observed in their anatomical features, reproductive strategies, and feeding habits.
One reason for the changes in sharks' evolutionary history is the need to exploit different food sources and habitats. Sharks have evolved different teeth shapes and jaw structures to suit their preferred prey, ranging from small fish to large marine mammals.
Additionally, changes in body shape and fin structure have enabled them to be efficient swimmers in different environments, such as open ocean or shallow coastal waters.
Another reason for evolutionary changes in sharks is competition and predation pressure. As new species emerge and ecosystems evolve, sharks have had to adapt to survive and thrive in changing conditions. Natural selection favors individuals with advantageous traits, leading to the emergence of new species and the extinction of less adapted ones.
In the lab, different shark species may exhibit variations in size, coloration, fin shape, and behavior. These differences reflect their evolutionary adaptations to specific environments and ecological roles.
Despite these variations, all shark species share common ancestry and basic characteristics such as cartilaginous skeletons, powerful jaws, and an efficient swimming ability, which have been refined over millions of years of evolution.
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What concerns might the
use of biotechnology raise
for people? For other
organisms?
Answers
Answer:
The correct answer is - ethical, safety, bioterrorism and environmental concerns.
Explanation:
Biotechnology is like any other field or technology comes with its benefits and challenges. It helps in various ways but also leads to many controversies and raises concerns among people and ecologists. The main concerns of biotechnology are ethical concerns, bioweapon or bioterrorism, environmental issues, and safety.
Ethical concern deals with the use of privileged information and exploiting it, Causes ecological harm, interfering with laws of nature, making bioweapons that can kill thousands and thousand of people and organisms.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
Answers
Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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Help me please I don’t understand what to do here.
Answers
Genetics question - I am trying to figure out the mode of inheritance in this pedigree.
Answers
The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-linked inheritance?The genes that are found on the Y chromosome can be inherited through a process known as Y-linked inheritance. The X and Y chromosomes are the sex chromosomes of male mammals like humans.
The Y chromosome has fewer genes than the X chromosome because it is smaller. In addition, they are also necessary for sperm formation, healthy hormone output, and other features unique to males.
The pedigree given here is the case of Y-linked inheritance because each male generation is of showing this inheritance and the same is being followed in the family 5.Hence, the correct option is 3.
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The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-Linked inheritance?Y-linked inheritance is a type of genetic inheritance that occurs exclusively through genes located on the Y chromosome. The Y chromosome is one of the two sex chromosomes in humans, and it is typically only present in males.
Since females do not have a Y chromosome, they cannot inherit traits that are exclusively Y-linked. In males, however, any genetic variation on the Y chromosome is passed on directly from father to son.
Y-linked inheritance is relatively rare compared to other types of inheritance because the Y chromosome is small and contains relatively few genes. Some examples of traits that are known to be Y-linked include male-specific infertility, hair loss, and some types of color blindness.
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During an evening hike, you see a shooting star just like the one pictured here.
In which layer of the atmosphere does this shooting star occur?
troposphere
stratosphere
mesosphere
thermosphere
Answers
The shooting star occurs in the mesosphere, which is the layer of the atmosphere above the stratosphere and below the thermosphere.
The shooting star observed during an evening hike occurs in the mesosphere. Shooting stars, also known as meteors, are visible when small particles, typically from comets or asteroids, enter the Earth's atmosphere and burn up due to friction with the air molecules. The mesosphere is the third layer of the Earth's atmosphere, located above the stratosphere and below the thermosphere. It extends from about 50 to 85 kilometers (31 to 53 miles) above the Earth's surface. In the mesosphere, the air is thin and the temperature decreases with altitude. This layer is where most meteors burn up and produce the phenomenon of shooting stars that we observe from the ground.For more such questions on Mesosphere:
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When all steps of melosis are complete, what has been produced?
A. Two diploid cells, each with an exact copy of the parent cell's chromosomes
B. Four diploid cells, each with twice the number of chromatids as the parent haplaid cell
C. Four haploid cells, each with half the number of chromosomes as the parent diploid cell
D. Two haploid cells, each with one copy of each chromosome from two parent diploid cells
Answers
Answer:
C. Four haploid cells, each with half the number of chromosomes as the parent diploid cell
Explanation:
when meiosis happens it produces 4 daughter cells at the end (which are gametes) that contain 23 chromosomes each
Write a summary paragraph discussing this experiment and the results. Use the following questions to help guide the content of your paragraph.
Submit your recorded observations for each step.
Step 1: Burning Candle - record the mass and write your observations
Step 2: Cooling Candle - record the mass and write your observations
Step 3: Tearing paper - record your observations
Step 4: Wet paper - record your observations
Step 5: Burning pieces of paper - record your observations
Step 6: Salt and water in test tube - record your observations
Step 7: Baking soda and vinegar - record your observations
Answer the following questions.
What is the difference between a physical change and a chemical change?
What kind of change occurred in each test? What evidence do you have to support your decision? Be brief, but be sure to defend your conclusion with data.
Answer and ill give brainly
Answers
Here the physical changes are seen in the burning candle, cooling candle, tearing paper, wet paper, salt, and water in the test tube, while the chemical reactions are involved in the burning of the paper and the mixing of the vinegar with soda.
What are the physical and chemical changes?The physical change is the change in form, such as when the candle is burned or cooled down, then the wax that is formed has the same properties as the candle, or the paper pieces after being torn have the same properties. Chemical changes involve the formation of new things, such as when paper is burnt, this produces ash with a different chemical nature, and when the vinegar and soda is mixed, it produces a different product.
Hence, here the physical changes are seen in the burning candle, cooling candle, tearing paper, wet paper, salt, and water in the test tube, while the chemical reactions are involved in the burning of the paper and the mixing of the vinegar with soda.
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Name three components of the blood
Answers
Answer:
plasma, red blood cells, white blood cells, and platelets.
Explanation:
Hope this helps!
describe the effects on surface area of potato of cutting the potato sticks into eight pieces
Answers
The effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.
What is the significance of the increased surface area of the potato?When the potato is cut into eight pieces, the surface area increases, and as the surface area increases, the cooking time decreases because the enzymes are exposed and can be deactivated when exposed to heat. So vegetables are cut before cooking.
Hence, effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.
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Dense irregular connective tissue can be found in the....
tendon or dermis of skin?
Answers
Answer:
Dermis.
Explanation:
They are mostly located in the dermis layer of the skin, capsules around the spleen and liver as well as other organs in the body. You can also find them around the bone’s fibrous sheath.
These connective tissues are densely spaced and the fibers and fibroblasts are randomly arranged.
A solution with pH 9 has ________________ times ____________________ OH- than a solution with pH 6.
Answers
Answer:
basic
Explanation:
ph value 9 base is ph value is 9and 20
The cell membrane is considered selectively permeable because it only allows certain compounds to travel through freely. The random movement of molecules down their concentration gradient is called:
Answers
Answer:
transport across membranes is called diffusion.
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1. Fill in the rest of the table based on the information already there.
2. What is the percentage of heterozygous tasters (2pq) in the class?
Answers
1. The filled table based on the information already there is attached below.
2. The percentage of heterozygous tasters in the class is 39%.
How to calculate percentage?2. The percentage of heterozygous tasters (2pq) in the class:
The percentage of heterozygous tasters in the class is 39%. This can be calculated by taking the number of heterozygous tasters (11) and dividing it by the total number of people in the class (28).
(11 / 28) × 100 = 39%
The percentage of heterozygous tasters in the North American population is 55%. This can be calculated by taking the number of heterozygous tasters (75) and dividing it by the total number of people in the North American population (135).
(75 / 135) × 100 = 55%
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which of the following is the study of tissues and groups of specialized cells and cell products that work together to perform specific functions?
Answers
The study of tissues and groups of specialized cells and cell products that work together to perform specific functions is called as A)cytology. So, correct option is A.
Cytology is the study of cells. Cytology is that part of life science, which manages the investigation of cells regarding design, capability and science. Robert Hooke is at times seen as the dad of cytology. In view of utilization it can allude to: Cytopathology: the investigation of cell sickness and the utilization of cell changes for the finding of illness. Cell science: the investigation of cell life structures, capability and science. The Global Foundation of Cytology has as its true diary Acta Cytologica.
The cells to be inspected might be taken through the accompanying strategies:
Scratching or brushing the tissue surface, for example, during a pap smearGathering body liquids, such for pee or respiratory mucusFine-needle yearnings. This is eliminating cells by drawing them through a fine needle, like stomach liquid in ascites, pleural liquid from the lungs, or cerebrospinal liquid from the spinal trench.Different sorts of tissue biopsyCytology is unique in relation to histology. Cytology by and large includes taking a gander at a solitary cell type. Histology is the test of a whole block of tissue.
Hence,correct option is A.
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(Complete question) is:
Which of the following is the study of tissues and groups of specialized cells and cell products that work together to perform specific functions?
A) cytology
B) anatomy
C) histology
D) physiology
E) embryology
Write characterize progression of infectious disease.
Answers
Answer:
* Infectious disease management depends on precise portrayal of disease progression so transmission can be forestalled. Gradually progressing infectious diseases can be hard to characterize because of a latency period between the time an individual is infected and when they show clinical signs of disease.
* Defining directions through sickness states from infection to clinical illness can assist researchers with creating control programs dependent on focusing on individual infection state, possibly decreasing both progression and creating misfortunes because of the illness.
Explanation:
Gradually progressing infectious diseases are hard to characterize in light of the fact that they are frequently connected with an inactivity period between the time an individual is infected and when they give clinical indications or side effects of illness.
To successfully control infectious diseases, it is paramount to see how the disease progresses.
describe how the structure of an antibody is related to its function in your answer you must clearly link structure and function
Answers
Answer:
an antibody is a y-shaped structure which consists of four polypeptides, two heavy chains, and two light chains. this structure allows antibody molecules to carry out their dual functions: antigen binding and biological activity mediation
The function of antibodies, also known as immunoglobulins, is intricately linked to their unique structure.
These Y-shaped proteins consist of two heavy chains and two light chains. At the tips of the Y-shape, variable regions contain antigen-binding sites that enable antibodies to recognize and attach to specific antigens.
This structural specificity empowers antibodies to neutralize foreign substances, like pathogens or toxins, either by marking them for destruction or blocking their interactions with host cells.
Moreover, the flexible axis region of antibodies allows for optimal binding and adaptability.
The tight relationship between structure and function is essential for antibodies' role in defending against infections and contributing to immune responses.
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In an ecosystem, organisms are dependent on each other for their survival. Small fish eat plankton. In the fish, chemical energy from
plankton is converted Into _
y and used by fishes to swim. These fish are then devoured by large fish.
to Bacteria break down the dead bodles of fish to release energy, which is then absorbed by other organisms in the ecosystem. This flow of
energy Is an example of the_
Answers
Answer:
food chain
Explanation:
The energy flow in an ecosystem in the form of food from one organism to other is food chain!
hope this helps! :)
What is the relationship between the biota and the biosphere?
Answers
A biosphere is a region of the surface and atmosphere of the earch where living organisms are occupied.
And a biota is the sum of flora and fauna found in the biosphere.
The relationship between biota and biosphere is that the biosphere provides living organisms, called biota, with a habitat. The biosphere includes all the places on the earth where life exist and it includes the hydrosphere, lithosphere and atmosphere. So biota is the biotic component of earth, and the biosphere includes both biotic and abiotic components. The organic and inorganic components are continuously used up and recycled by living organisms.
Biota includes all the living organisms ; plants , animals , fungi, bacteria etc inhabits in a particular area or region.
Biosphere is the region in which living organisms exist within the abiotic environment.
Biota refers to total number of flora and fauna found in biosphere.
Biosphere means biota plus environment. Biosphere is the sum of entire ecosystems
Biota- it refers to the plant life of a particular region or habitat. For example, one can speak about global biota, biotas of forests, bogs, lakes and so on.Biosphere-it refers to the part of earth's surface and atmosphere where all plants and animals and co-exist. Biosphere extends from the deepest root system of trees to the dark environment of ocean trenches, to lush rain forests, high mountaintops and transition zones.To know more problems regarding biosphere refer to the link mentioned below: -
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HELP A human cell has 46 chromosomes. how many chromosomes does a female egg cell have?
Answers
Answer:
23 chromosomes
Explanation:
Any human cell has 46 chromosomes. However, human s*x cells only have 23.
Answer:
23 chromosomes.
Explanation:
the stages of mitosis and the process of cytokinesis draw and label a cell in each stage
Answers
These phases are prophase, prometaphase, and metaphase, Cytokinesis is the final physical cell division and is considered the sixth phase of mitosis.
What are the stages of mitosis and cytokinesis?Cytokinesis begins in the phase of cell division. and ends in telophase, extending completion as the next interphase begins. The first obvious change of cytokinesis in an animal cell is the sudden aspect of a pucker, or cleavage furrow, on the cell surface.
Mitosis and each of the two meiotic divisions result in two unrelated nuclei contained within a single cell. Cytokinesis performs a crucial process to separate the cell in half and ensure that one nucleus ends up in each daughter cell.
So we can conclude that Cytokinesis, the division of the cytoplasm to form two new cells, overhangs with the final stages of mitosis.
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Main Steps of the Scientific Method: 1. ________________________________________ 2. ________________________________________ 3. ________________________________________ 4. ________________________________________ 5. ________________________________________ 6. ________________________________________
Answers
The scientific method is a systematic approach used by scientists to investigate and understand the natural world these steps are iterative, meaning that scientists often repeat the process, refining their hypotheses and experiments to gain a deeper understanding of the phenomenon under investigation.
It involves a series of steps that help ensure objectivity, reproducibility, and reliability in scientific research.
The main steps of the scientific method are as follows:
Observation: The first step involves making careful observations of a phenomenon or a problem in the natural world.
Scientists use their senses or instruments to gather data and identify patterns or interesting phenomena.
Question: Based on the observations, scientists formulate a research question that addresses the underlying cause or mechanism of the observed phenomenon.
The question should be specific and testable to guide the subsequent steps.
Hypothesis: In this step, scientists propose a possible explanation or solution to the research question.
The hypothesis is a tentative statement that can be tested through further experimentation or observation.
It should be based on existing knowledge and provide a clear prediction.
Experimentation: Scientists design and conduct experiments to test the hypothesis.
They manipulate variables, control conditions, and collect data to analyze and draw conclusions.
The experiment should be carefully planned, with appropriate controls and statistical methods to ensure accurate and reliable results.
Analysis: After collecting the data, scientists analyze the results using statistical methods or other analytical techniques.
They examine the data to determine if it supports or refutes the hypothesis.
This step involves organizing and interpreting the data to draw meaningful conclusions.
Conclusion: Based on the analysis, scientists draw conclusions about the hypothesis.
If the data supports the hypothesis, it may be accepted as a plausible explanation.
If the data does not support the hypothesis, scientists may revise the hypothesis or propose alternative explanations.
Through this iterative process, scientific knowledge advances and contributes to our understanding of the natural world.
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what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answers
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
2. When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is
produced. The properties of magnesium oxide are different than the individual properties of magnesium and
oxygen because magnesium oxide is
A. a solution.
B. a mixture.
C. a compound
D. an element.
Answers
Answer:
its compound
Explanation:
When magnesium (Mg) metal is burned in the presence of oxygen (O₂), magnesium oxide (MgO) is produced as a compound. The correct option is C.
What is a compound?A compound is a substance that is made by joining two or more substances. When substances react with each other, they form bonds with each other and create compounds. The chemical elements are combined in fixed ratios.
Magnesium (metal) is combined with oxygen (O) to form magnesium oxide, which is a compound. The ratio of magnesium and oxygen is equal in this compound. The different properties of these elements combined to form this compound property.
The molecular formula of a compound is the total number of atoms present in a molecule of the compound.
Therefore, the correct option is C. a compound.
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14. What does it mean if a rock fractures?
Answers
Answer: When rocks break in response to stress
Explanation: the resulting break is called a fracture. If rocks on one side of the break shift relative to rocks on the other side, then the fracture is a fault.
Answer:
Fractures are mechanical breaks in rocks; they originate from strains that arise from stress concentrations around flaws, heterogeneities, and physical discontinuities. They form in response to lithostatic, tectonic, and thermal stresses and high fluid pressures.
RETAKE $27 SC Un 4 Common Unit Assessment / 14 of 15
Il Pause
Help
The four birds shown in Figure A, B, C, and D are all found on one island
environment. A group of biologists relocate half of the bird
population resembling the bird in figure A to a new environment, where food sources are different than those present in their current
environment. The half of the population of birds left behind on the original island continues to grow and reproduce.
Figure
Figure B
Figure
Figure D
What changes might a scientist expect to see in the species from figure A?
A The species would adapt over time and would begin displaying adaptations in their beaks to allow them to consume a new food
source
B. The species would not adapt over time and would become extinct.
-C The species would not adapt over time and would begin displaying adaptations in their beaks to allow them to consume a new food
source
OD The species would adapt over time and would become extinct.
م
BI
08
3:47 PM
23/2021
Answers
Answer:
The anser is b
Explanation:
its b
Why is it so important to monitor your temperature when you get a fever? A to prevent high blood pressure B. to prevent too much energy usage C. to prevent protein denaturation D. to prevent nausea and vomiting
Answers
Answer:
I would say c or d, but I'm not sure
Answer:
"
Explanation:
please do this. It is 100 points and im giving brainliest.
Answers
Answer:
pls see on book all answer see given
Why is the patellar stretch reflex beneficial?
Answers
Answer:
The Patellar reflex is beneficial because it maintain posture and balance and to ensure that the muscles remain at the length the brain sets.
Explanation:
The term for fungi that decompose dead organic matter is
A. saprobic.
B. infectious.
C. parasitic.
D. pathogenic.
Answers
Answer:
The answer is A Saprobic
Explanation:
The decomposers are called Saprotoph, they feed on the remains of dead organic matter.