Summarize Darwin's theory of natural selection using the Galapagos tortoises or finches as an example.
Answers
Answer:
However, the Galapagos finches helped Darwin solidify his idea of natural selection. The favorable adaptations of Darwin's Finches' beaks were selected for over generations until they all branched out to make new species. These birds, although nearly identical in all other ways to mainland finches, had different beaks.
Explanation:
Darwin's theory states that advantageous traits increase survival and reproduction. Galapagos tortoises and finches have adapted to their environments.
What is Darwin's theory of natural selection?Darwin's theory of natural selection is a fundamental principle in evolutionary biology. It states that the traits that provide an advantage to individuals within a population increase the likelihood of survival and reproduction. The process involves four key components: variation, heredity, selection, and time.
Within a population, there is genetic variation, meaning that individuals have different traits. Some traits may be advantageous, such as a thicker coat to survive colder temperatures or a longer beak to access food. Individuals with advantageous traits are more likely to survive and reproduce, passing their traits onto their offspring.
Over time, the frequency of advantageous traits increases within the population, leading to evolution. Natural selection is the mechanism that drives this process, allowing species to adapt and thrive in their environments.
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Related Questions
What is the name of the process by which plants take in sunlight, carbon dioxide, and water, allowing them to make sugar and oxygen?
Answers
Answer:
the 3rd one
Explanation:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.
Answer:
PhotosynthesisExplanation:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.Which of the following trends can be observed when moving down a column in the Periodic Table?
The atomic mass decreases.
The number of valence electrons remains the same.
The number of orbitals decreases.
The possible number of bonds formed decreases.
Answers
Answer: B valence electrons decreases
Explanation:
Which process represents a time when particles are slowing down and moving closer together?
А
boiling
B
evaporation
С
melting
D
condensation
Answers
Answer:
D, Condesation
Explanation:
A musk ox and the Alstroemeria flower have physical structures and organs that have similar functions. Provide two examples of similar structures or organs and describe how they have similar functions.
Answers
Answer:
Multicellular organisms: Both the plant and the ox are made up of more than one cell.
Both the ox and the plant need to breath somehow (use air).
Explanation:
Write a clear, thoughtful 2 paragraph argument that explains HOW 3 body systems work together to promote life functions.
0
No Effort
10
Student correctly identifies at least 3 body systems from the seven systems taught in class.
Student applies knowledge of each body system giving their function and major organ/s.
Student clearly demonstrates through explanations of how each body system works with each other.
Student uses learned writing strategies and writes in complete sentences
Minimum of 8 complete sentences.
Jaime went to the doctor because several strange things have been happening to him. He first noticed that sometimes when he tries to touch something he is unable to feel it. Then he noticed that when he tried to walk his legs wouldn’t always move the way he wanted them to. Lastly, he has been unable to control when he urinates.
HUMAN BODY SYSTEMS QUICK GUIDE
Circulatory : Transport gasses(oxygen,CO2) and nutrients throughout body;
Digestive: Breakdown of nutrients (food);
Nervous: Process & respond to stimuli;
Respiratory: Gas exchange;
Muscular: Movement;
Excretory: Eliminates waste to maintain homeostasis;
Immune: Defense against disease
Answers
Answer: the human body is made up of multiple interacting systems, within the systems there are 3 that really work together. for starters, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce. The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells. Working along these cells is the digestive system, the human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body which then provides nutrients that give the body energy.
Explanation:
i hope someone had helped you cause i got this same question
Vacuoles are cell structures that are sometimes compared to warehouses. They have the ability to store things such as water and nutrients, and in some cases provide rigidity for the cell. Certain types of cells utilize vacuoles more than others. In what type of cell would you expect to find the largest vacuole?
A) A cactus cell
B) A human cell
C) A worm cell
D) A mushroom cell
Answers
Answer:
A) A cactus cell
Explanation:
Plant cells have much larger vacuoles than animal cells, so I believe the cactus cell would have the largest one.
i need help
is it right to like girls
Answers
Answer:
love has no correct answer dude, love who you wanna love it doesnt matter the gender
Explanation:
When looking at Blood type. When you have homozygous B
Would you write it as IBIB or IBi
Answers
Answer: IBIB
Explanation:
can someone help me
Match the following vocabulary words with the correct definition.
1 .
phenotype
genes present in a specific trait
2 .
genotype
expression of a trait, or what the trait looks like
3 .
dominant
gene or trait that always expresses itself
4 .
homozygous
gene or trait that is masked when a dominant gene is present
5 .
recessive
pair of genes for a specific trait which are different
6 .
heterozygous
pair of genes for a specific trait which are the same
Answers
Answer:
1) Phenotype (Expression of a trait, or what the trait looks like)
2) Genotype (Genes present in a specific trait)
3)Dominant (Gene or trait that always expresses itself)
4)Homozygous (Pair of genes for a specific trait which are the same)
5)Recessive (Gene or trait that is masked when a dominant gene is present)
6)Heterozygous (Pair of genes for a specific trait which are different)
Explanation:
I hope this helps!!!
phenotype
please help
According to the CDC about _____ of U.S. adults are obese.
25 percent
10 percent
40 percent
36 percent
Answers
hope this helps!!!
Answer:
40 :) good luck
Explanation:
What is the relationship between changes in air pressure and wind speeds?
A: When a high- and a low-pressure air mass are far apart, air moves quickly from low to high pressure.
B: When a high- and a low-pressure air mass are far apart, air moves quickly from high to low pressure.
C: When a high- and a low-pressure air mass are close together, air moves slowly from high to low pressure.
D: When a high- and a low-pressure air mass are far apart, air moves slowly from high to low pressure.
Answers
Answer: Option A
Explanation: When a high- and a low-pressure air mass are far apart, air moves quickly from low to high pressure. This is because air moves from areas of low pressure to areas of high pressure due to differences in air pressure.
In low pressure, air rises and rotates fast in the high atmosphere, forming fast winds. In high pressure, the air sinks instead of rising, forming slow-moving air currents or slow wind. A low pressure system brings rain, snow, and high winds, while a high-pressure system brings cold air.
What structures help us determine evolutionary relationships between species? Explain.
Answers
Answer:
Homologous genes
Biologists often compare the sequences of related genes found in different species (often called homologous or orthologous genes) to figure out how those species are evolutionarily related to one another.
Hope this helped :]
Answer:
Homologous Genes
Explanation:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features). Similarities and differences among biological molecules (e.g., in the DNA sequence of genes) can be used to determine species' relatedness.
Brainlest will be given!!
The muscular system and the skeletal system work together so the body can do what?
pump blood
get oxygen
move
digest food
Answers
Answer:
Move
Explanation:
muscles and bones need to work together to allow movement
Answer:
Move
Explanation:
Your muscular and skeletal system includes bones, muscles, tendons, ligaments and soft tissues. They work together to support your body's weight and help you move.
How did the underwater volcano form?
Answers
Answer:
Underwater volcanoes form much like volcanoes on dry land by a process known as subduction.
Explanation:
This occurs as a result of tectonic plates which form the top layer of the Earth's mantle, just below the Earth's crust. They support the weight of the continents and the combined water of the seas.
Answer:
so ... underwater volcanoes form much like volcanoes on dry land, by a process known as subduction. This occurs as a result of the tectonic plates which form the top layer of the earth's mantle, just below the earth's crust. They support the weight of the continents and the combined water of the seas.
Explanation:
Part D
The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible? Explain your answer using your pedigree chart.
Answers
Answer:
Explanation: black white gray black black white
The diagram shows a food web in a national park.
A diagram of a food web is shown. Grasses, Aspen Trees, Cottonwood, and Willow are shown at the lowest level, Beaver, rabbit, elk, and mule deer are shown at the second level from the bottom. Topmost level has the coyote and gray wolf. Arrows are drawn from grasses to beaver, grasses to rabbit, grasses to elk, grasses to mule deer, aspen trees to beaver, aspen trees to elk, aspen trees to mule deer, cottonwood to beaver, cottonwood to elk, cottonwood to mule deer, willow to elk, willow to mule deer, beaver to coyote, rabbit to coyote, elk to gray wolf, and mule deer to gray wolf.
What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region?
The vegetation will decrease.
The coyote population will increase.
The beaver and rabbit population will increase.
The elk and mule deer population will decrease.
Answers
Why it was important that Gregor Mendel used thousands of pea plants in his experiments? Would Mendel have found the same results if he had used only twenty plants? Explain.
Answers
Answer:
Explanation:
Gregor Mendel used thousands of pea plants in his experiments to ensure that his results were accurate and reliable. By using a large sample size, he was able to reduce the effects of chance and random variation in his experiments. This is important because biological systems are complex and variable, and small sample sizes can lead to inaccurate or misleading results.
Mendel's experiments involved crossing pea plants with different traits (e.g., tall vs. short, yellow vs. green), and he counted the number of offspring with each trait. He found that the offspring followed predictable patterns of inheritance, which he summarized in his laws of inheritance.
If Mendel had used only twenty plants in his experiments, he may not have obtained the same results. With a small sample size, chance events can have a greater impact on the results. For example, if he crossed two pea plants with different traits and obtained only a few offspring, it's possible that chance events (such as mutations or environmental factors) could have influenced the results. This could lead to false conclusions about the inheritance of the traits.
Therefore, using a large sample size was critical to Mendel's success in developing his laws of inheritance. It allowed him to detect patterns that were consistent across many different crosses, and to demonstrate that these patterns were not the result of chance variation.
Highly organized systems like living cells should have _____.
a. High energy
b. High entropy
c. Low entropy
d. Low energy
Answers
Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
Answers
Arrow 'f' releases carbon dioxide.
Answer:
F I think I am not sure though hope I helped.
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answers
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
PLEASE HELP!! IS A SEMESTER TEST!!! GIVING AS MANY POINTS AS I CAN!!
What process is this?
1) alcoholic fermentation
2) glycolysis
3) Krebs cycle
4) ETS reactions
Thank You!
Answers
Answer: OPTION 3, krebs cycle is the answer
7. Why do plants need nitrate ions?
A for making amino acids
B for making fatty acids
C for making glucose
D for making starch
Answers
\(\huge{\mathfrak{\purple{Question}}}\)
Why do plants need nitrate ions?
\(\huge{\mathfrak{\purple{Answer}}}\)
For making amino acids ( Option A )
\(\huge{\mathfrak{\purple{Explanation}}}\)
The plants need nitrate ions for making amino acids
#HopeItHelps
Which type of heat transfer takes place in a vacuum?
Conduction
Convection
Radiation
Thermal
Answers
Answer:
Your answer should be C.) Radiation.
Explanation:
Radiation does not need matter in order to transfer heat. Take for example, The sun heats our planet even through the vacuum of space through radiation.
Answer:
conduction
Explanation:
If there were more seafloor spreading occurring at mid-ocean ridges than subduction at ocean trenches, what would happen to the seafloor in the ocean?
A. Nothing would happen. The ocean's seafloor would stay the same.
B. The ocean's seafloor would sink into the mantle below.
C. The ocean's seafloor would get smaller, losing more crust than its created.
D. The ocean's seafloor would grow, creating more crust than is destroyed.
Answers
Answer: It's D bc when there is more seafloor spreading it would push the older rocks to the ridges.
Explanation:
hi guys i really need help with this. (due tomorrow)
Answers
Answer:
1- Lunar Eclipse
2- Moon phase
3- Orbit
Explanation:
2 moon phase
3 orbit
Which of the following is a true statement?
New scientists are creating new ideas with or without any evidence.
We have yet to discover how to make a perfect organism.
Scientists have not discovered life forms in other planets.
Ideas can change as new discoveries are made.
Answers
Answer: ideas can change as new discoveries are made
Explanation:
When you find out something new you form new ideas
Answer:
New scientists are creating new ideas with or without any evidence.
We have yet to discover how to make a perfect organism.
Scientists have not discovered life forms in other planets.
Ideas can change as new discoveries are made.
The bolded one is true.
Earth is one million times smaller than the ________.
Answers
Explanation: one million earths fit in the sun :)
I want an essay on the benefits of plants. Serious answers only.
Answers
Answer: I highly suggest that you reword this but here it is...
Plants are beneficial to the lives of many species on Earth. They provide us with oxygen, while also reducing the amount of carbon dioxide in the atmosphere.
Plant go through a process called "photosynthesis." This process allows them to take in carbon dioxide, water, and sunlight, and omit oxygen and glucose. Without plants, this process would only occur in microorganisms. By themselves, microorganisms do not have enough numbers and power to be able to provide enough oxygen for the rest of the species on the planet. All species that rely on oxygen would eventually perish.
Plants also prevent erosion. With their roots, plants hold down soil and stop the soil from moving. They provide structure and strength to the loose soil. If plants were not there to hold down soil, it would be entirely up to humans to provide structure in the soil.
Finally, plants are important to us because they provide us with a food source. Humans use plants as a major source of energy. We eat plants, and mass produce them to feed ourselves. Plants are also a major food source for other animals that we rely for food. Animals that we eat get there energy from plants. If we wiped out the complete bottom part of the food chain, none of the other animals would survive.
Overall, plants are beneficial to us in many ways. They provide us with energy, stop erosion, and give us oxygen. Without plants, it would be impossible for humans to survive, and we would eventually perish.
Firstly, plants are the major source of food in the ecosystem. Every food chain starts with one plant or the other.
Secondly, oxygen. Plants help in providing us with more oxygen as they absorb Carbon dioxide from the surrounding atmosphere release oxygen. In my opinion this is the most important benefit of plants... as without them the level of carbon dioxide will increase in the atmosphere leading to a shortage of oxygen and eventual death of oxygen dependent organisms.
Plants also help take care of our environment. By preventing landslides and erosion in areas with heavy rainfall and winds as they cover the ground.
Plants also serve as habitats to organisms.
5. Read the scenarios below. For each of the scenarios, identify the following (you should identify the 3 for EACH of the scenarios):
Control Group Independent Variable Dependent Variable
A. John thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, John counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.
B. Candy notices that her shower is covered in a strange green slime. Her friend Belinda tells her that coconut juice will get rid of the green slime. Candy decides to check this out by spraying half of the shower with coconut juice. She sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
C. Elisa is working on a science project. Her task is to answer the question: "Does Grow Long (which is a commercial hair product) affect the speed of hair growth?" Her family is willing to volunteer for the experiment.
Answers
Answer:
A.
1) Control Group: Group B (not given the special juice)
2) Independent Variable: Special juice given to Group A
3) Dependent Variable: Number of stacks of papers each group made
B.
1) Control Group: The side of the shower sprayed with water
2) Independent Variable: Coconut juice sprayed on one side of the shower
3) Dependent Variable: Appearance of green slime on both sides of the shower
C.
1) Control Group: No treatment
2) Independent Variable: Grow Long (commercial hair product)
3) Dependent Variable: Speed of hair growth
Explanation:
please help will mark brainliest for answer with explanation, but will report if rubbish answers are given
thank you
Answers
Answer:
A is the cell surface membrane
B is the nucleus
C is the cytoplasm