Answer:
left
Explanation:
if it mirrors the picture flips
Answer:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
Explanation:
Answer:
False.
Explanation:
Flatworms are unsegmented.
Answer:
Facilitated diffusion.
Explanation:
Facilitated diffusion is a process in which an ion moves from one side to the other of the membrane without additional energy because it is moving in favor of the electrochemical gradient . For this diffusion a specific ion channel for the hydrogen ion in the membrane of the cell is needed.
Answer:
The average decline in overall amphibian populations is 3.79 percent per year, though the decline rate is more severe in some regions of the U.S., such as the West Coast and the Rocky Mountains. If this rate remains unchanged, some species will disappear from half of the habitats they occupy in about 20 years.
Explanation:
cuz