Select all the correct images. Which organisms undergo Carnegie stages?
A) Salamander
B) Sheep
C) Snail
D) Worm

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

Idon’t understand and i need the answer! you