Mutation, genetic combination, and gene flow all add what to a population?

A.) genetic variation

B.) genetic uniformity

C.) evolution

D.) natural selection

The ribosomes of plant cells are sites for the synthesis of?

Diseases caused by microorganisms

What happens to the size of the electrode a during the operation of the cell?

Trisha wants to find out whether a certain pesticide is carcinogenic to amphibians. trisha is designing an experiment to test the problem. she is planning on exposing frogs of the same species to different amounts of the pesticide.

Why is the first breath of a newborn the most difficult?

Chorionic villi sampling (CVS) is a test to determine whether fetal cells have genetic abnormalities and can be performed as early as 8 weeks. Chorionic villi cells are removed using a small tube that is passed through the cervix.

The largest carbon source is

What do sensory neurons do? A. Detect, feel, and smell B. Connect the brain to the spinal cord C. Connect parts of the brain D. Control muscle movement

Which of these scenarios illustrates natural selection due to behavior

Explain why animal cells cannot capture energy from sunlight and use it to make food