A adaptation is a trait that helps an organism survive and reproduce.
Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system
Answer:
pseudopodia(false legs)
Explanation:
a protrusion formed by the amoeba towards its food to engulf it...you know it has no particular shape so it uses false legs
Answer:
O2 participates in cellular respiration
Explanation:
The only place that O2 participates in cellular respiration is at the end of the electron transport chain, as the final electron acceptor. Oxygen's high affinity for electrons ensures its success in this role.
