Answer it correctly please
Describe the steps of a muscle contraction.
(1) A message travels from the nervous system to the muscular system, triggering chemical reactions.
(2) The chemical reactions lead to the muscle fibers reorganizing themselves in a way that shortens the muscle--that’s the contraction.
(3) When the nervous system signal is no longer present, the chemical process reverses, and the muscle fibers rearrange again and the muscle relaxes.
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What part of a plant is most of photosynthesis happening?
Answer:
the chloroplasts of the plant cell
Explanation:
explain why animals exhibit differences in their essential food requirements?
Explanation:
Environment affects animal behavior by changing the availability of survival resources like food & shelter, as well as situational things like proximity to human activity. Sometimes the same species of animal will behave completely differently in a forest environment compared to an urban environment.
pls mark me as brainliest
Answer:
Hope this helps :)
Explanation:
Different animals display different needs for different foods depending on their species. For example, a human will eat meat if they need protein and they will eat lemons if they need citrus. Animals are the same way. The animals will eat different foods depending on their needs and preference.
I didn't fully understand the question, but I hope I was able to help/give the right answer. :)
-------- is not guessing, it is reasoning based on what you already know.
Answer:
infering or educated guess
Explanation
infering is using past knowlage
an educated guess well you can infer what that means ;)
Which freshwater biome has the highest organism diversity of all the freshwater biomes?
wetlands
streams and rivers
ponds and lakes
estuaries
Based on the numbers in the previous question, an 80–pound Earth girl would weigh about ___ pounds on the planet Namar.
A. 4
B. 320
C. 18
D. 40
please help
1. Why is environmental science important?
Short answer
Answer:
Our environment is very important to us because it is where we live and share resources with other species. ... Environmental science enlightens us on how to conserve our environment in the face of increasing human population growth and anthropogenic activities that degrade natural resources and ecosystems.
Explanation:
Our environment is very important to us because it is where we live and share resources with other species. ... Environmental science enlightens us on how to conserve our environment in the face of increasing human population growth and anthropogenic activities that degrade natural resources and ecosystems.
4. How does the life of a sperm cell vary among the mosses, ferns, gymnosperms and angiosperms?
Answer:
They evolved on land to begin with from earlier now extinct groups groups so there was no need to adapt to life on land, other than to adapt to different terrestrial environmental pressures. Land can be everything from next to a river to a hot desert to rocks to Antarctica, and plants grow in all those places.
As well, there are thousands of species that are floating aquatics or submerged aquatics, including many ferns, and even some gymnosperms grow as marginals, and many species of angiosperms, mosses, ferns, and even some gmnosperms grow as epiphytes, or as parasites, or other ways.
It was a lovely dinner-party of fourteen. The Duke and Duchess of Shoreditch, and their daughter the Lady Anne-Grace-Eleanor-Celeste-and-so-forth-and-so-forth-de-Bohun, the Earl and Countess of Newgate, Viscount Cheapside, Lord and Lady Blatherskite, some untitled people of both sexes, the minister and his wife and daughter, and his daughter's visiting friend, an English girl of twenty-two, named Portia Langham, whom I fell in love with in two minutes, and she with me—I could see it without glasses. There was still another guest, an American—but I am a little ahead of my story.
A.
the long list of names required to address certain nobles
B.
the English custom of holding frequent balls and dinner parties
C.
the lack of importance given to Americans by the English
D.
the eccentric attitudes of the British upper class
Mark Twain satirizes the long list of names to refer to some noble people.
Satire is a common literary element in Twain's texts. Twain often uses satire as a way to ridicule the attitudes and behavior of some people, especially wealthy or noble people.
In the excerpt presented, Twain is satirizing the long names of noble people. This is seen in the following excerpt:
Their daughter the Lady Anne-Grace-Eleanor-Celeste-and-so-forth-and-so-forth-de-BohunIn this excerpt, he jokes about the long name of one of the guests and shows how ridicule is to have these very long names.
Note: This question is incomplete because the question statement is missing; here is the missing section:
What does Mark Twain satirize in this excerpt from "The £1,000,000 Bank-Note"?
Learn more about Mark Twain in: https://brainly.com/question/10739850
1.How do speices interact in nature?
2.How do energy and nutrients move through communities?
3. How do communities respond to a disturbance?
In which of these does a chemical change take place?
mixture
compound
solution
none of the above
As world population grows and the ocean is called on to provide more and more resources, what can people do to be sure the resources are used sustainably?
Pandas eat bamboo for energy. What are pandas classified as
Answer:
Pandas are classified as herbivores despite their taxonomic classification as a carnivore.
Why did we look at seeds in the soil as well as the seeds found in the elephant poop
Explanation:
It is Because the poop of elephant are a lot of nutrients
Elephant is a herbivore and all he eats is plants and plants based food. The poop of elephant is going to be full of seeds as per the diet of the elephant.
What are herbivores animals ?The animals which rely on plants and plants based food for survival are called herbivores. Example are : deer, elephant, cow, buffalo etc.
This is a source of pollination as well and the name is called zoophily where the male reproductive unit of plants reached female unit via animals as carriers.
Learn more about herbivores animals at :
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Which plate does not appear in both hemispheres?
Indo-Australian
African
Pacific
Eurasian
Answer:
Indo-Australian
Explanation:
Match the phenomena to the appropriate water state transformation.
Condensation on a glass of water
O liquid to solid
O liquid to vapor
O Vapor to solid
O vapor to liquid
Predict what would happen if the lac repressor were altered so it could not release lactose once lactose was bound to it.
Please explain why
What is a tumor that remains localized in a specific area called?
Benign
Carcinogen
Metstatic
Malignant
Answer:
Benign
Explanation:
Which process involves a cell interpreting DNA?
A- Fertilization
B-Photosynthesis
C-Protein synthesis
D-Cellular Respiration
Question 10 of 20 :
Select the best answer for the question
10. What is the purpose of the introduction in an essay?
A. To focus on current statistics
B. To highlight the most important concepts
C. To explain the main idea to the reader
D. To establish the main idea of the essay
What is the most valid conclusion regarding ocean depth temperature, based on the data? The temperature and salinity increase with increasing depth. The salinity increases as the depth goes closer to zero. The bottom of the ocean is frozen and salinity levels are low. The ocean temperature never rises above 10°C and salinity remains constant.
The most valid conclusion concerning ocean depth temperature is B. The salinity increases as the depth go closer to zero.
Effect of Salinity on Water Depth
Decreasing ocean temperature increases ocean salinity. These occurrences put pressure on water as the water depth increases with decreasing temperature and increased salinity.
What is Ocean Salinity?
Ocean Salinity refers to the saltiness or amount of salt dissolved in a body of water. The salt dissolution comes from runoff from land rocks and openings in the seafloor, caused by the slightly acidic nature of rainwater.
Thus, the most valid conclusion one can draw regarding ocean depth temperature is Option B.
Learn more about ocean depth temperature and ocean salinity here: https://brainly.com/question/1512203 and https://brainly.com/question/10335431
If a cell has 8 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?
Answer:
From what I remember in my 9th grade biology class, it's usually half that amount.
what would happen to an organism if mitosis did not occur
If mitosis DID NOT happen... the organism would stay as a single cell. The life we know it now... wouldn't exist as we have multi-cellular stuff.
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List three major events in cell theory development.
Answer:
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically.
1. In 1683, Leewenhoek discovers bacteria.
2. In 1857, Kolliker describes mitochondria in muscle.
3. Ruska builds the the first transmission electron microscope.
Hope that helped in some way. x
An animal is grouped as an insect if it has:
eight legs
six legs
Or a backbone
Answer: six legs :)
If white wool (W) is dominant over black wool (w), can two sheep with black wool produce an offspring with white wool? Explain your answer.
Answer:
No, the offspring of two black sheep cannot have white wool. Since the black wool allele is recessive, both parents have to be recessive (ww) and so do not carry the dominant white wool allele. The only allele the parents can pass to their offspring is the black allele.
A gene or trait that appears or expresses itself over a recessive trait is called
Answer:
it is called a dominant gene
Answer:
Its called a dominant gene.
Explanation:
"A dominant gene, or a dominant version of a gene, is a particular variant of a gene, which for a variety of reasons, expresses itself more strongly all by itself than any other version of the gene which the person is carrying, and, in this case, the recessive."
1. The burning of fossil fuels contributes to all of the following ecological problems except for:
A. ozone depletion
B. global warming
C. acid rain
D. air pollution
The burning of fossil fuels does not contribute to ozone layer depletion.
The burning of fossil fuels leads to the release of gases such as oxides of nitrogen, sulfur, and carbon as well as particulate matter such as smoke, ashes, etc.
The oxides released from fossil fuel burning can cause global warming (carbon dioxide), acid rain (SO2), and air pollution (particulate matter).
Ozone layer depletion is caused by pollutants such as halocarbons, solvents, etc.
More on ozone layer depletion can be found here: https://brainly.com/question/1285852?referrer=searchResults