REVIEW OF PAST UNITS AND QUESTIONS FROM CURRENT UNIT

Directions: Answer these questions on a separate sheet of paper. Explain in 1-3 sentences why you chose each answer.

1. The diagram below shows the zones of the ocean.

Which ocean zone contains hydrothermal vents?

A. Deep Zone

B. Surface Zone

C. Shallow Zone

D. Intertidal Zone

2. Which is an example of a parasitic disease?

A. AIDS

B. influenza

C. Malaria

D. Strep throat

3 How do oceanic upwellings promote the growth of microscopic plankton?

A. They bring warmer water to the surface of the ocean.

B. They bring dissolved nutrients to the surface of the ocean.

C. They decrease the levels of oxygen at the surface of the ocean.

D. They decrease the amount of nutrients at the surface of the ocean.

4. Whichbestexplains why there is a greater concentration of oxygen located near the ocean’s surface?

A. Sunlight warms the ocean’s temperature and stimulates oxygen production near the surface.

B. Plankton produces excess amount nutrients that remove oxygen levels from the atmosphere

C. Marine life gives off oxygen instead of carbon dioxide, which make the ocean water rich in oxygen

D. Plants, which release oxygen, live near the surface of the ocean, where they receive sunlight

5. Which is themostsignificant enviromental issue associated with offshore oil drilling?

A. air and water pollution

B. reversal of ocean currents

C. global temperature increase

D. expansion of marine habitat areas

6. How do viruses and bacteria compare?

A. They both are living

B. They both have DNA

C. They are both nonliving

D. They both utilize host cells for reproduction

7. If the primary food source for the whale population in an area is depleted, which willmost likelyhappen?

A. The whale population will stabilize

B. The whale population will increase

C. Competition among whales will increase.

D. Starvation will cause the whales to become extinct

8. Which factors limit the productivity of a marine ecosystem?

A. Availability of light and nutrients

B. Availability of nutrients and fresh water

C. Availability of light and chemosynthetic organisms

D. Availability of photosynthetic organisms and fresh water.

9. Why is genetic variation within a species important for the survival of the species?

A. It will likely result in larger individuals in the species

B. It will likely result in the species becoming predators.

C. It will likely result in more intelligent individuals in the species.

D. It will likely result in individuals in the species being able to adapt to their environment

10. Damp conditionsmostsupport the spread of which diseases?

A. Strep throat and AIDS

B. Lyme disease and polio

C. athlete’s foot and malaria

D. tuberculosis and food poisoning