Which of the following is a density-independent factor affecting population growth? I. Food and good nutrition
II. Disease transmission
III. Floods and droughts

- I only
- III only
- I and II
- II and III

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks