Horizontal cells receive input from _________ and provide output ...

[karlynnae]

Horizontal cells receive input from _________ and provide output to _________.
 
  a. photoreceptors; bipolar cells
 b. photoreceptors; ganglion cells
 c. amacrine cells; bipolar cells
 d. bipolar cells; photoreceptors

Question 2

An animal's surface-to-volume ratio predicts
 
  a. that it is an ectoderm.
 b. that it is an endoderm.
 c. how much heat the animal can generate.
 d. how much energy the animal requires to maintain core temperature.

[aruss1303]

Answer to Question 1

a

Answer to Question 2

d

[karlynnae]

Excellent

[FergA]

Thanks for the timely response, appreciate it