The answer is A because c doesn’t make sense if it’s vibrating wouldn’t we feel or see it?
Xylem tissue makes up a root organ
Answer:
Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.
Correct me if I'm wrong but I'm sure the answer is C because according to the data each herbivore has a larger digestive system
Answer:
The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.
Explanation:
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