Do you know anything about pin worms

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Which organelle releases chemicals that break down large food particles into smaller ones?

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above