Answer:
Populations have variation in traits due to random mutation, crossing over and environmental conditions.
Answer:
c) A cell must have the appropriate receptor before it can bind to the hormone.
Explanation:
Hormones are chemical signals that are secreted into the circulatory system acting as regulators within the body, and even though they can reach any part on the body, <em>only certain types of cells are equipped to respond, these cells are known as target cells, when the hormone reaches a cell with an adequate receptors it triggers a signal transduction and then a response.</em>
Therefore the correct answer is c.
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Toxins in the soil would enter through the root system first.
A is Dermal B is Vascular and C is Ground
Answer:
Nature
Explanation:
Because erosion happens in the nature.
