Ecology, Molecular Biology, & Natural Resources Review

Which best determines the number of wolves that can live in an area?

• the amount of snow in the area each year
• the number of birds that live in the area
• the number of trees in the area
• the amount of food available in the area

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

• The population of deer will increase.
• The population of deer will decrease.
• The population of deer will remain the same.
• The population of deer will become extinct.

The white-tailed deer found in North Carolina are herbivores. What will most likely happen to the deer if there is a drought and most of the plant life dies?

• Deer population will not change.
• Deer population will increase due to a lack of food.
• Deer population will decrease due to a lack of food.

In an ecosystem dependent on pine trees, if a pine forest is cleared for a new housing development, which will most likely occur?

• Some of the organisms would be able to survive the change because of erosion.
• The organisms in the ecosystem would have to adapt to living in fenced area.
• Many of the organisms would perish due to habitat loss.

Which would a drought (not raining for long period) most likely affect?

• all organisms in a particular ecosystem

• only the plants in a particular ecosytem

• only the animals in a particular ecosystem

What term describes a species role in an ecosystem?

• niche

• habitat

• environment

Which are major abiotic factors that determine the types of plants that can grow in an ecosystem?

• birds and bees
• precipitation and bees
• precipitation and temperature

Which is the place where a member of a population lives and finds food?

• space
• habitat
• shelter
• population

Which is the most significant limiting factor in a desert ecosystem?

• nutrients
• predators
• sunlight
• water

Which of these is an abiotic element of a desert ecosystem?

• sand
• cactus
• lizard
• scorpion