Which of the following is NOT a cause of bottleneck?

natural disaster

disease

predators

none of the above

What did Rudolf Virchow contribute to the cell theory

How are resources used in sustainable development

Which of the following is NOT a potential health effect of radiation? a. Thyroid disorders and cancers b. Brain damage to the unborn c. Genetic disorders d. Pneumonia

Which statements describe transform boundaries? Check all that apply. (There is more than one correct answer.) Rift valleys are formed. Mountains are created. Faults form in the lithosphere. Plates move toward each other.

Following a cut or scrape what process repairs your skin? a. mitosis b. meiosis c. apoptosis d. meiosis & mitosis e. mitosis & apoptosis

What can be expected if environment changes occur that favor a certain characteristic of an animal

Your biology instructor has assigned you a lab exercise to test a hypothesis regarding the inheritance of stem length in pea plants.

Which layer of skin is least protected by melanin?

A true-breeding purple plant and a true-breeding white plant cross-pollinate. The offspring will be

List the principal structures of the ventilatory system in the order that air passes from the atmosphere into the lungs