What would happen if the earth's continents moved closer together and toward the poles

What is the roots fot biology

The smallest unit that ca carry on all the processes of life

Which of the following types of environments would best support this organism?

Which of the following can tell can you that a tiger and a lion are different species? They have different colors. They can mate. Their offspring are infertile. They are both carnivores.

Controls are implemented during which step of scientific inquiry? a. observation b. hypothesis c. analysis d. experimentation

In facilitated diffusion, what is the role of the transport protein?

2. Black fur (B) in guinea pigs is dominant over white fur (b). Find theprobability of an offspring with the same phenotype as its parents in across between a homozygous black and a heterozygous black guineapig . A. 0%, 25%B. 25%, 25%C. 50%,50% D.

The arabian spiny mouse is a species of mouse. different mice in this species can have different traits. what allows these mice to have different traits from each other?

What organelle in a eukaryotic cell controls photosynthesis?

Density gives us information about how atoms in a material are