Population Ecology

Front

What is a population in ecology?

Back

A population is defined as all of the individuals of the same species in an area at a specific time.

Front

Why is accurate information about organisms important in population ecology?

Back

Accurate information is crucial to understand the health of every organism's population, as highlighted by the Golden Toad example.

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NGSS.MS-LS2-1

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Front

What significant change occurred in the Passenger Pigeon population from 1850 to 1900?

Back

The population grew, then suddenly became extinct by 1900.

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NGSS.MS-LS2-4

Front

What topic is not covered in chapter 4.2 - Describing populations?

Back

Population Carrying Capacity.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

Which term is not used to describe the distribution of a population?

Back

Scattered.

Front

What are the three main types of population distribution?

Back

Clumped, Random, and Uniform.

Front

Define carrying capacity in the context of population ecology.

Back

Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.

Front

What is population density?

Back

Population density is the number of individuals of a species per unit area or volume.

Front

Explain the concept of age-structure in a population.

Back

Age-structure refers to the distribution of individuals of different ages within a population, which can indicate growth trends.

Front

What does a pyramid-shaped age-structure diagram indicate?

Back

A pyramid-shaped age-structure diagram indicates a growing population with a higher number of young individuals.