Answer:
Cold blooded Animals
Explanation:
Cold-Blooded Animals
Cold-blooded animals cannot control their own body temperatures. They adapt to the temperature of their surroundings. When it's very cold outside, their body temperature decreases.
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.
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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Describe the movement of K+ ions into the guard cell based on the model in Figure 1. Scientists crossed plants that were homozygous for the cyclin-dependent kinase-wild type (CDK-WT) allele with plants that were homozygous for the cyclin-dependent kinase-mutant (CDK-Mut) allele. The F1 offspring of this cross were then crossed, producing F2 offspring. Explain how the ratio of phenotypes in the F2 generation would demonstrate that the CDK-Mut allele is recessive.
Answer:
b
Explanation:
Give a brief description of how viruses spread.
Viruses spread by infecting cells and replicating within them. There are several ways that viruses can spread from one person to another:
Direct contact: Viruses can be spread through direct contact with an infected person, such as through shaking hands or hugging.
Indirect contact: Viruses can also be spread through indirect contact, such as by touching a surface or object that has been contaminated with the virus and then touching one's face, mouth, or eyes.
Respiratory droplets: Some viruses, such as the virus that causes COVID-19, are spread through respiratory droplets that are produced when an infected person talks, coughs, or sneezes. These droplets can land in the mouths or noses of people who are nearby or be inhaled into the lungs.
Sexual contact: Some viruses, such as HIV and herpes, are spread through sexual contact.
Overall, viruses can spread through a variety of means, and the specific method of transmission can depend on the specific virus and the mode of infection.
Why might the shape of a sickled red blood cell prevent the cell from doing its job? Hint: Think about the function(job) of the red blood cell Use the following Sentence starter: The shape of the sickled red blood cell would prevent the cell from doing its job because_________. *
Answer:
Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.
Hope this helps :)
Answer:
These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.
Explanation:
Which of the following is a scientific question?
Answer:
c
Explanation:
Many countries generate their electricity using renewable energy resources such as wind turbines and solar panels.
i). Predict the effect of using renewable energy resources, rather than fossil fuels, on the carbon cycle .
ii). Explain the reason for your prediction.
i) Using renewable energy resources instead of fossil fuels will have a positive impact on the carbon cycle. This is because burning fossil fuels releases large amounts of carbon dioxide, a greenhouse gas, into the atmosphere, contributing to climate change. In contrast, renewable energy sources such as wind and solar do not produce carbon dioxide emissions during their operation.
ii) The reason for this prediction is that the use of renewable energy sources reduces the amount of carbon dioxide released into the atmosphere. This, in turn, reduces the amount of carbon that is available for absorption by terrestrial and marine ecosystems. This can lead to an overall reduction in carbon cycling between the atmosphere, oceans, and land, and ultimately contribute to slowing down the process of climate change. Additionally, the use of renewable energy resources can also help to reduce the pollution of air and water caused by fossil fuel extraction and transportation, which can have negative impacts on the carbon cycle and ecosystem health.
A particular protein has the amino acid sequence: . . . Ala-Pro-His-Trp-Arg-Lys-Gly-Val-Thr . . within its primary structure. A geneticist studying mutations affecting this protein discovered a mutant that produced a shortened protein molecule that terminated within this region. In this mutant protein, the His became the last amino acid. What DNA single-base change(s) would cause the protein to terminate at the His residue
Answer:
The correct answer is - nonsense mutation.
Explanation:
The given amino acid sequence Ala-Pro-His-Trp-Arg-Lys-Gly-Val-Thr of a particular protein is affected by a mutation that leads to the shortened protein that ends in this region only. As we know the His amino acid becomes the last amino acid so in such case is it takes place due to nonsense mutation that is the only mutation or change result to terminate before or at the His codon.
The Trp codon which is coded by UGG codon could have been changed to either a UAG or a UGA codon in this case.
The correct answer is - nonsense mutation.
what the state that best describes most enzymatic reaction reaction results observed in the biochemical testing of microbial specimens
Answer:its visualized through a color change
Explanation:
2 cm² enzyme enzyme bolled enzyme 1 1 pH 2 pH 7 pH 8 pH 11 of enzyme was added to test tube A, how much enzyme must added enzyme D
Explanation:
what is the movenment of animal
Proteins carry out cellular functions.
Where do they get their instructions?
A) from chemical formulas
B) from inherited traits
C) from enzimes
D) from DNA
What is meant by a
mutualistic type of
symbiotic relationship?
A. One organism is unaffected.
B. Both organisms benefit. This
C. One organism is harmed.
B. Both organisms benefit.
Explanation:Symbiotic relationships are interactions between different species within an environment.
Mutualistic Relationships
Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.
Other Symbiotic Relationships
There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.
In what way has technology used aboard the International Space Station benefited humans back on Earth?
Robotic arms used aboard the ISS are now used in delicate surgeries on Earth. Air purifiers developed for the ISS now provide cleaner air for humans on Earth.
A remote island in Lake Superior is uninhabited by humans. The primary mammal populations are white-tailed deer and wolves. The island is left undisturbed for many years, with plenty of vegetation. Circle the best choice to complete the statement about what will happen to the average populations of the animals in the stable ecosystem over time. On average, the populations of deer and wolves will fluctuate, but: *
Answer:
It will go up and down and might go straight up or straight down.
Explanation:
what harmones do ovaries produce
Which sentence describes an example of how a living thing might grow and
develop?
A. A worm moves away from light.
B. A single cell divides into multiple specialized cells.
C. A rock breaks into multiple pieces as it rolls downhill.
D. A fire spreads through a forest.
Answer: B. A single cell divides into multiple specialized cells.
Explanation:
B quite literally explains what happens to our bodies, we start with stem cells that divide and become specialized to produce all the different types of cells we need to grow and develop.
Sexual reproduction ____ variation and selective breeding ____ variation
A.) increases, decreases
B.) increases, increases
C.) decreases, decreases
D.) decreases, increases
Answer:
Explanation:
sexual reproduction increases variation and selective breeding decrease variation
Answer:
its a
Explanation:
trust
:>
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Recently, oil from rectangle resulted in a disaster and ecosystems containing many unique species. The potential loss of these species could result in
The potential loss of unique species due to a disaster is referred to as mass extinction. When large numbers of species disappear over a short time period then it is called mass extinction.
Biodiversity threats include burning fossil fuels and deforesting forests and other wildernesses for industrial agriculture. Other human activities, such as wildlife poaching and hunting, can also have serious impacts.
When ecosystem services no longer adequately meet social needs, biodiversity loss can have far-reaching, direct human health consequences. In addition, ecosystem services impact indirectly on livelihoods, incomes, local migration, and, in some cases, political conflict.
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\The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution.
A 2-column table labeled Paramecium Contractile Vacuole Contractions has 5 rows. The first column is labeled salt concentration outside paramecium with entries very high, high, medium, low, very low. The second column is labeled contractions per minute with entries 2, 8, 15, 22, 30.
Which statement correctly describes the bars on a bar graph representing the data?
The graph has five bars of equal height.
The bars range from tallest for very high concentration to shortest for very low concentration.
The bar for very low concentration is twice the height of the bar for medium concentration.
The bar for very high concentration is five times the height of the bar for very low concentration.
The table Paramecium Contractile Vacuole Contractions which correctly describes the bars on a bar graph representing the data is the bars range from tallest for very high concentration to shortest for very low concentration.
The data in the table records the number of contractions per minute of a paramecium's contractile vacuole in response to different salt concentrations in the surrounding environment.
A bar graph representing this data would have five bars, one for each level of salt concentration.
The bars would vary in height according to the number of contractions per minute, with the tallest bar representing the highest salt concentration and the shortest bar representing the lowest salt concentration.
Therefore, the correct statement describing the bars on the bar graph would be: "The bars range from tallest for very high concentration to shortest for very low concentration."
This statement accurately describes how the height of the bars would vary based on the data in the table.
The other statements do not accurately represent the data or the trends observed in the table.
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What are the stages of bee development (eggs,larvae,pupae)
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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Question 2
1 pts
Systems of classification are adaptable to change as scientists continue to collect
morphologic (shape) and genetic information to make evolutionary connections
among organisms.
O True
O False
Question 3
1 pts
HELP PLEASE Name any two of the major types of chemical substances that are broken down in chemical digestion. For each substance, name an enzyme that breaks them down and what final product is actually absorbed by the body for use or storage.
Two major types of chemical substances that are broken down in chemical digestion are carbohydrates and proteins. Carbohydrates are broken down by the enzyme amylase, which is found in saliva and the pancreas.
Proteins are broken down by a group of enzymes called proteases, which are produced by the stomach and pancreas. Proteases break down proteins into smaller peptides and individual amino acids, which can be absorbed by the body and used to build new proteins or as a source of energy. Overall, the breakdown of carbohydrates and proteins in chemical digestion is crucial for the body to obtain the nutrients it needs for energy, growth, and repair. Amylase breaks down complex carbohydrates into simpler sugars, such as glucose and fructose, which can be absorbed by the body and used for energy or stored as glycogen in the liver and muscles.
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Earth has many types of climate zones. The map below shows the tundra climate zones of the
Northern Hemisphere.
Which of the following best describes this type of climate zone?
*
1 point
Captionless Image
It is very hot because it is on the coastline.
It has very cold temperatures because it is far from the equator.
It is very wet because it is below sea level.
It receives very little snowfall because it is close to the ocean.
Answer:
The Answer Is Number/Letter 2...or B for the letter. Hope this helped you buddy! :)
Explanation:
What term is used to describe the number of chromosomes in a gamete, such as
an egg cell or a sperm cell?
Answer:
The biology term, haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes
The term used to describe the number of chromosomes in a gamete would be haploid.
Gametes are usually formed by meiosis and meiosis is referred to as reductional division. When a normal diploid (2n) cell divides by meiosis, the daughter cells would have half the number of chromosomes of the parent cell. In other words, the daughter cells will have n number of chromosomes as opposed to 2n.
Cells with n chromosome numbers are generally referred to as haploid while those with normal 2n chromosome numbers are said to be diploid. Egg and sperm cells are haploid cells.
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Why does anaerobic respiration occur during vigorous exercise?
Answer:
Because the body supply of oxygen is less than the body requirement of oxygen for aerobic respiration.
During a strenous activity,the supply of oxygen do not reach body requirement for aerobic respiration to occur, that is why ,therefore fermentation anaerobic respiration occurs and the end product is lactic acid which then accumulates in the muscles.
Answer:
This is because,during vigorous excercise,oxygen supply is smaller than body requirement of oxygen and therefore anaerobic respiration occur .
Since anaerobic respiration occurs in the absence of oxygen.
Someone makes a loud noise and it scares you use complete sentences to put the following vocabulary terms in order to describe how the body processes the sound and reacts central nervous system, sensory organs, and sensory receptors
Answer:
When someone makes a loud noise and it scares you, your body goes through a series of processes to respond to the sound. I'll break it down using the terms you mentioned.
Explanation:
Sensory organs: These are specialized parts of your body that detect stimuli from the environment. In the case of hearing a loud noise, your ears are the sensory organs responsible for detecting sound waves.
Sensory receptors: These are specialized cells within your sensory organs that convert the stimuli, in this case, sound waves, into electrical signals that can be understood by your body. In your ears, tiny hair cells act as sensory receptors, converting the sound waves into electrical signals.
Central nervous system: This refers to your brain and spinal cord, which are the main components of your central nervous system. Once the sensory receptors in your ears convert the sound waves into electrical signals, these signals travel through nerves to reach your central nervous system.
So, in the situation where someone makes a loud noise, the sound waves are detected by the sensory organs (your ears), which then send the information to the sensory receptors (hair cells). The sensory receptors convert the sound waves into electrical signals, which are then transmitted through nerves to your central nervous system (brain and spinal cord).
Once the electrical signals reach your central nervous system, your brain processes the information and determines that the loud noise is something to be concerned about. It may trigger a response, such as a startled reaction or the feeling of fear. These responses are coordinated by your central nervous system, which sends signals to various parts of your body to react accordingly.
So, the order of the processes involved in how the body processes the sound and reacts to a loud noise is: sensory organs (ears) -> sensory receptors (hair cells) -> central nervous system (brain and spinal cord).
) (f) transmit impulses in body
1. Which of the following is not a type of signaling molecule?
(a) Testosterone
(b) Insulin
(c) Thyroxin
(d) Adenylate cyclase
dAnswer:
Explanation:
what is technology biology
Answer:
biotechnology is technology based on biology - biotechnology harnesses cellular and bio-molecular processes to develop technologies and products that help improve our lives and the health of our planet.
The table shown below represents the number of species growing in an area that was logged using clear-cutting 45 years ago in Temagami, Ontario. Data was collected periodically over 45 years.
Describe the changes occurring in vegetation type and species diversity over the 45 years.
What does the pattern of change tell you about what is happening in this area?
Explain how the data supports your conclusion.
According to the information we can infer that in general the number of species has increased.
What conclusion can we draw from the graph?Based on the information in the graph, we can conclude that over the years the number of species has increased. In the case of grasses, it went from having 32 species to having 35. In the case of trees, it went from having 0 to having 24, and in the case of shrubs, it went from having 0 to having 18.
In the row that shows the total number of species, it went from having 32 to having 77, which means that it doubled the number of species in this period of time.
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Your labmate's ligation reaction didn't work. The regular ATP had run out, so he fueled the reaction with dATP from the PCR kit. What advice can you give him
Answer: adding heat to the ligation reaction to provide energy to the system, instead of ATP.
Explanation:
Ligation is referred to as an act of joining, and the term refers in biology to an enzymatic reaction that joins a covalent bond between two biomolecules. The application of DNA ligation in research in molecular biology is defined in this video.