Which organ is involved in ingestion?

mouth

rectum

villi

liver

When did the first member of the genus Homo evolve?

Which macromolecule is responsible for for carrying out life functions like speeding up chemical reactions?

What do botos use sonar for

Why the overabundance in atmospheric carbon dioxide contribute climate change? a. It cools down our planet b. It causes more heat to be trapped, increasing temperature that result in global warming. c.

During binary fission, each copy of the duplicating chromosome moves to opposite ends of the cell. What does this achieve?

The heart makes sure that oxygen taken in by the ... gets to the brain.

Blood is a mixture that is more specifically described as a

If one parent has homozygous dominant tall gene and another parent has heterozygous tall gene, what's the probability of having a child that's short? Tall?

8. Charles Darwin was the first individual to convince the scientific community of the occurrence of biological evolution. He based his findings on observations which he then used to make inferences regarding changes in populations of species.

What do you think might affect how pathogen is spread from person to person