A hypothesis is a possible explanation that can be tested by observation or experiment

What is the importance of stem cells within human bodies? Choose all that apply. Plants are the only type of organisms that contain stem cells-located in the stems and roots.

What are some actions that can be taken to remedy air pollution? Select all that apply. Follow no burn days Using humidifiers everywhere * Government passing regulatory laws * Car emissions testing Carpooling * Carpooling and less driving overall

Natural selection acts on the distribution of traits. When graphed, natural selection shifts the graph away (new population) from its original shape (original population).

What does gravity mapping show?

When do molecules "stop" moving into and out of the cell?

Why is it necessary to do a spinal tap when you suspect a bacterial infection of the central nervous system? why can't you use a blood test?

Name the major greenhouse gasses and how they get into the atmosphere

Which type of cell goes through the determination process?

What organic molecule is the basis of enzymes.?

Which transport mechanisms require the formation of a vesicles to transport material into or out of the cell? A: diffusion and osmosis B: exocytosis and calcium pumps C: exocytosis and endocytosis D: diffusion and facilitated diffusion