A crayfish's swimmerets are used only for swimming.

a. True

b. False

What nerve innervate the skin of forearm?

What is the top fin of a fish called?

What do you call two monosaccharides which are joined together

Your class is performing an experiment which involves dropping an object from a great height. Your job is to minimize the damage to the object.

How is a land breeze similar to a sea breeze? How do the differ?

What happens if you connect a battery to a small light bulb with a single wire.?

John and emily were experimenting with the effects of road salt on plant growth. to do this, they watered plants daily with the same amount of salt water. they could best improve their experiment by -

Three different core areas designed to protect an endangered beetle each have a buffer zone associated with them. in buffer zone a, the birth rate of the beetle is 0.04, and its death rate is 0.08. in buffer zone b, the birth rate of the beetle is 0.

In a, are (Y) and are (y). A=4 B=1 C=2 D=3

wall of the gut tube has layer of smooth muscle that run both circulary and longitudinally contraction of these muscles produces