Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers?

a. flatworm

b. frog

c. seahorse

d. spider

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?