5. Which 3 structures have 2 membranes? (1pt) a. Endoplasmic reticulum, nucleus, mitochondria
b. Chloroplast, golgi apparatus, mitochondria
C. Vacuole, nucleus, ribosomes
d. Nucleus, mitochondria, chloroplast

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.

Which feature would you expect to find in a population in which sexual selection depends on male competition?