When a female bird prefers to reproduce with males that have longer tail feathers, this is called?

Every day, after a long day of work, Juan heads out to practice his sky diving maneivars. He often spends weekends jumping out of planes and bungee jumping.

Determine whether the statement is true or false, and why. "Only males can be carriers for x-linked recessive traits." A. False, it should read "Only males can be carriers for x-linked dominant traits." B.

Which of the following is not a guideline for sexual health? A. Sex must be agreed on by both people. B. Discuss only what you are comfortable doing. C. Both people must be ready. D. None of the above

What is it important that carbon is recycled?

What process occurs when all of the energy from light waves is transferred to a medium? A. transparency B. refraction C. metamorphosis D. absorption

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.