Population Ecology

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What factor describes when populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

Tags

NGSS.HS-LS2-6

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

Tags

NGSS.HS-LS2-2

What does the graph represent?

• Emigration

• Exponential growth

• Immigration

• Logistic Growth

Logistic growth has 3 phases. In Phase 1, the population grows slowly. In Phase 2, population grows rapidly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?

• Emigration

• Immigration

• Exponential Growth

• Carrying Capacity

Which of the following is TRUE of predator/prey relationships?

• The amount of prey does not affect the number of predators.
• Herbivores are limited by the number of prey in an ecosystem.
• Humans are not considered predators.
• The number of predators is determined by available prey.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

As a population grows, it will most likely stop growing at what size?

• Growth limit
• Exponential limit
• Carrying Capacity
• It won't stop growing

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

What will happen to the population when the death rate is larger than the immigration rate?

• grow

• shrink

• stay the same

• None of these

What will happen to the population when the birth rate is larger than the death rate?

• grow
• shrink
• stay the same