Magma is the molten rock that wells up through fissures in the earth's

crust.

True

False

At the end of mitosis each of the two cells has a complete set of chromosomes. True or false?

An organism reacts to changes in its environment. this is called

What makes bicycles go uphill

Julius von Mayer was a doctor and physicist who discovered that energy is conserved by studying his patients on an ocean voyage.

Which layer of the alimentary canal is responsible for segmentation and peristalsis?

Which type of solar radiation is the least powerful

How are bryophytes similar to green algae? How are they different?

What wilhappen if fertillization is doone when no egg is released,

Cataplexy is a sleep disorder in which: a. atonia suddenly occurs in an awake, alert individual. b. atonia does not occur during REM and people "act out their dreams." c. one cannot go into REM sleep. d. one is overcome by a sudden urge to sleep.

A chemical found in urine that is produced from breaking down of proteins is called ___.