3. Which would be considered to be a behavioral adaptation? a. The cell walls of diatoms are clear, allowing sunlight to penetrate for photosynthesis.
b. A tuna’s body is torpedo-shaped, which reduces friction as the fish swims at high speeds.
c. Albatross perform a mating dance to attract partners.
d. Sargassum, a type of red algae, has air pockets that contribute to the organism’s ability to float.

c. Albatross peform a mating dance to attract partners

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set