Which of these is not a response to internal stimuli?
a=eating when hungry
b=breathing hard when exercising because of drop in oxygen levels
c= drinking when thirsty
d=wearing the sunglasses to protect eyes from uv rays

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?