Answer:
a producer
b rabbit
c it effects the eci system
plant
squiree
snake
hawk
hawk
<span>race is not a defined term in biology and cannot solely be explained by different groups having different genes</span>
Answer: the answer for your question is muscle cells
Explanation:
Answer:
B. Case-Control
Explanation:
A case-control is a study that compares a group with an outcome of interest (cases) with a group who do not have the outcome (controls). This study aims to looks back retrospectively to compare how frequently the exposure to a risk factor is present in each group and with that to determine the relationship between that risk factor and the outcome.
So in this case, the cases are children with pervasive development disorder and the control is those without the disorders.
These studies are normally observational because no intervention is attempted.
The rapid evolution of the human immune system creates the potential for human-specific disease. As a result, human-specific variation in many other human immune genes influences human-specific disease risks.
