Ecological Population Dynamics Concepts

Ecological Population Dynamics Concepts

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers population ecology, focusing on the definition of population, carrying capacity, and factors limiting population growth. It explains growth patterns like exponential and logistic growth, and introduces the concept of ecological homeostasis. The tutorial also discusses methods to measure population growth, such as the Lincoln's index, and their limitations.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of a population in ecology?

A group of different species living in the same area

The number of species in a habitat

The number of organisms of the same species in a given area at the same time

The total number of organisms in an ecosystem

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does carrying capacity refer to in an ecosystem?

The number of predators in an ecosystem

The total biomass of an ecosystem

The size of the population that can be supported indefinitely by available resources

The maximum number of species an ecosystem can support

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a density-dependent factor?

Climate change

Natural disasters

Predation

Sunlight availability

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shape does an exponential growth curve take?

S-shaped

J-shaped

U-shaped

V-shaped

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of species is more likely to experience a boom and bust cycle?

Neither K nor R-selected species

Both K and R-selected species

R-selected species

K-selected species

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factors contribute to the population growth rate?

Births and immigration minus deaths and emigration

Only births and deaths

Immigration and emigration only

Predation and competition

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to estimate populations of motile organisms?

Mark and recapture

Transect sampling

Direct observation

Quadrat sampling

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