1. D. Terminal velocity is when the force of gravity is equal to air resistance

2. Which of the following substances protects the skin from ultraviolet radiation

Melanin

3. After crossing two tall pea plants, a scientist notes that approximately ¾ are tall, what will be the off springs'?

Phenotypes (75% tall)

4.A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in human. Which of the following preliminary steps should the scientist take before conducting a controlled experiment?

Review the literature to determine what another research is available on this topic.

5. Which of the following structures is present in both prokaryotic and eukaryotic cells?

A. Golgi apparatus

B. Cell membrane

C. Endoplasmic reticulum

D. Chloroplast