The process of random genetic changes that create new characteristics is called:

Diffusion is a type of active transport True False

Consider the chromosome. The parts of a chromosome are labeled. The lines on the chromosome are labeled b.

Describe at least 3 reasons that Earths atmosphere is so important to life on Earth

Why do the gas giants have many moons?

Which pair of molecules both contain carbon atoms?

Give four reasons why organic material is good for the soil.

What is true about psychosocial changes observed in adolescents? select all that apply?

This causes substances to move across the cell membrane, against the concentration gradient. Select one: a. active transport b. neutral transport c. passive transport d. hydrophobic transport

1. The nerve impulse is an electrical current that travels along dendrites or axons. True or false

What led to the conclusion that single-celled prokaryotic organisms evolved in the absence of oxygen