The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration rermoves produces and releases
from the atrmosphere and
to the atrmosphere.
I0))
A)
glucose, oxygen
B)
Oxygen, glucose
C)
carbon dioxide, oxygen
D)
OXygen, carbon dioxide

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.