24-25 Environmental Midterm Review

1. Population density is calculated by:

• a. Counting the number of animals in a space.
• b. Knowing the area of that space.
• c. Dividing the number of individuals by the area they occupy.

2. A high population density suggests that:

• a. The area is underpopulated.
• b. The area is overpopulated.
• c. The species is endangered.
• d. The habitat is expansive.

3. What does a uniform population dispersion indicate about a species?

• a. Low competition over resources.
• b. High competition over resources .
• c. An aquatic habitat.
• d. A migratory pattern.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

4. Which type of dispersion is characterized by randomness and solitary living?

• a. Uniform
• b. Random
• c. Clumped
• d. Stratified

5. Clumped dispersion is often an adaptation against:

• a. Predation.
• b. Overpopulation.
• c. Disease.
• d. Inbreeding.

6. What does an organism's reproductive potential mean?

• a. Its birth rate.
• b. Its death rate.
• c. The maximum number of offspring it can produce.
• d. Its likelihood of becoming extinct.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

7. Linear growth in a population is characterized by:

• a. A constant amount of increase.
• b. A doubling pattern.
• c. A decrease over time.
• d. Fluctuations based on seasons.

8. Exponential growth in a population is characterized by:

• a. A constant amount of increase.
• b. A doubling pattern.
• c. A decrease over time.
• d. Fluctuations based on seasons.

9. Limiting factors in an ecosystem:

• a. Always increase the population size.
• b. Are only abiotic factors like temperature and weather.
• c. Can be biotic or abiotic and determine the carrying capacity.
• d. Have no effect on population growth.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

10. What is the significance of a population's carrying capacity?

• a. It's the point where population growth stops.
• b. It's the maximum population an ecosystem can support indefinitely.
• c. It's the total number of species in an ecosystem.
• d. It's the amount of area available for colonization.

Tags

NGSS.MS-LS2-4