The energy input into an ecosystem can come from

a. sunlight

b. chemical compounds

C. soil

d. A and B

Which state or states of matter take (s) the shape of its container?

How do the structures in an organism relate to their functions

Uncontrolled repetition of the cell cycle results in a cancerous tumor. true or false

What does an organism's genotype describe? A) The allele combination for a trait B) The physical appearance of a trait C) The number of alleles on a gene D) The number of different traits inherited

One year, heavy rain makes Lake Raymond very deep. The next year, however, rain is very light, and not much water is left in Lake Raymond.

The movement of hot and cold air between land and sea creates what? a. Sea breeze b. Solar energy c. Trade winds d. Coriolis effect

How does the continental divide affect the climate

Fred went to the doctor because his body was not producing semen. Which part of Fred's body was most likely functioning incorrectly to cause this problem.

What do metabolism, respiration, and digestion have in common? They break larger molecules into smaller ones. They build larger molecules. They are each single chemical reactions. They each involve multiple chemical reactions.

The possibility of down syndrome and other chromosomal disorders increases as the mother's age increases because