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marysya [2.9K]
2 years ago
11

A number should be rounded up if

Biology
1 answer:
Maurinko [17]2 years ago
7 0

Answer:

C) the number after it is between 5 and 9

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Mammals are the only animals that have hair. Would you consider the presence of hair in mammals to be an ancestral or derived tr
Fantom [35]

Answer:

derived trait

Explanation:

An ancestral (or primitive) trait/character is a feature inherited from the common ancestor of the species/group of interest, while derived traits are those that were absent in the last common ancestor of the group of interest. For example, considering mammals as the target group, the presence of hair is a shared derived trait relative to other vertebrates, i.e., amphibians, reptiles and birds. However, this trait (hair) is ancestral for humans since the genetically closest species to humans (e.g., chimpanzees), also have hair, and they have inherited this trait from a common ancestor.

8 0
2 years ago
How do decomposers in an ecosystem obtain energy?
OLga [1]
Decomposers don't obtain energy, they release it into the environment.
hope this helps.
6 0
2 years ago
What might be one possible reason for the greater fluctuations in the blue crab population?
Ierofanga [76]

Blue Carb which scientifically is known as “<span>Callinectes sapidus” is a type of vertebrates. </span>A possible reason for the fluctuation in their population can be the eutrophic dead zones in the Chesapeake Bay which naturally cases low levels of oxygen dissolving into the Bay leading to fluctuation of Blue crab population.

<span>Another reason also can be the shorter life span of blue crab, its average life span recorded is one to three years which is very short in comparison to striped bass, although some blue crabs are caught after being tagged at the age of 6 to 8 years as well.</span>

6 0
3 years ago
Is there any evidence that weight gain is genetic? If so, what is it?
Klio2033 [76]
According to the article I've read in the website of Harvard Health Publishing (Harvard Medical School), the causes of overweight or obesity have been implicated by more than 400 different genes. Genes provide overweight in so many ways like metabolism, appetite, cravings, distribution of fats, and stress eating. Although it depends on one person to another person. Researchers have said that 25% of predisposition to be overweight is accounted to genes, while 70%-80% for genetic influences. These are just some of the reason how much of your weight depends on your genes:
-For much of your life, you have been overweight
-Overweight is seen on your parents or relatives, your likelihood to be developing obesity is as high as 80% if both of your parents are overweight 
5 0
3 years ago
Please help biology
Nitella [24]

Answer: down

Explanation: bio teacher here

7 0
2 years ago
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