as a tree ages it needs to keep making more xylem and phloem cells to carry water and food how does this occur

Crabs, lobsters and shrimp are all classified as

How long does it take for breastmilk to come in?

What are the walls of a ureter composed of? A. skeletal muscle and mucous membrane. B. mucous membrane and fibrous connective tissue. C. mucous membrane, smooth muscle, and fibrous connective tissue. D.

Why does the baby zebra look very similar to its parents

What Would happen if the processes in the nitrogen cycle of an ecosystem stopped

Below is a list of molecules with different chemical characteristics. knowing that all molecules will eventually diffuse across a phospholipid bilayer, select the option below that most accurately predicts the relative rates of diffusion of these

Lipid is another name for a

Who was the governor at the time of hurricane katrina?

Glycerol is converted to Glycerol is converted to blank and then to blank, which can enter blank to produce glucose. and then to Glycerol is converted to blank and then to blank, which can enter blank to produce glucose.

Researchers aboard the international space station use the lastest technology to advance our understanding of which object? check all the apply Soil and rock Health and medicine Living things in space Radio waves in space Distant bodies in space