Which statements about the nervous system in mollusks are true?

select all that apply.

a
it is unable to detect light stimuli.

b
simple receptor cells detect touch, chemical changes, and light.

c
special receptor cells are located on nerve cords.

d
the brain detects changes in the environment and produces a response.

Two critical interventions to turn around the opioid crises are:

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Which nucleotide component contains nitrogen