Populations & Communities

Temperature, light, air, water, soil and climate are all ______ parts of the environment.

• biotic
• abiotic
• living
• boreal

Tags

NGSS.MS-LS2-3

Choose the phrase that correctly finishes this statement: "A species is....."

• a specific part of the abiotic environment
• a way of describing all the living parts of an ecosystem
• a group of organisms that can successfully mate with each other and reproduce
• part of the natural decomposing materials in soil

Ecology is the study of the

• abiotic parts of the environment, such as climate, air, and soil
• biotic parts of the environment, such as animals and plants
• interactions between organisms
• interactions between organisms as well as the interactions between organisms and their environment

Tags

NGSS.MS-LS2-2

What is an ecosystem?

• All the interacting organisms that live in an environment and the abiotic parts of the environment that affect the organisms
• A person who observes and studies the interactions between the biotic and abiotic parts of the environment
• The relationship among the biotic parts of the environment
• The relationship between all the abiotic elements of a pond

Tags

NGSS.MS-LS2-3

An abiotic factor can affect biotic factor.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Which of the following is TRUE?

• Abiotic factors are living things in an ecosystem.

• Biotic factors are non-living things in an ecosystem.

• Abiotic factors can eat biotic factors.

• Biotic factors depend on abiotic factors.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Which is a biotic factor?

• A lake
• The air
• A tree

Tags

NGSS.MS-LS2-4

What is a population?

• all members of a species that live in an ecosystem
• all of the groups in an ecosystem
• a family of animals that live in the same group
• the biotic and abiotic parts of an ecosystem

Which is the more important reason why communities have different types of organisms?

• to have variety

• to support each other

• Communities do not have different types of organisms.

Tags

NGSS.MS-LS2-5

How do populations and communities affect one another?

• animals in populations do not live in communities

• they cannot affect each other

• a change in a population can cause a change in community

• all of the above

Tags

NGSS.MS-LS2-4