What do organisms from the ocean use the carbon dioxide for?
a. to breathe
b. to build bones
c. to make shells
d. to organisms decompose

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism