Food Chains and Food Webs

What is the study of how organisms interact with the living and nonliving things that surround them called?

• Biology

• Zoology

• Ecology

• Geology

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What does the term "environment" refer to in ecology?

• Only the living organisms surrounding an organism

• Only the nonliving things surrounding an organism

• Every living and nonliving thing that surrounds an organism

• Only the biologically inhabited parts of the Earth

Tags

NGSS.MS-LS2-3

What is an ecosystem?

• A community of nonliving things only

• A specific part of the environment that includes living things only

• A term used to describe any portion of the environment

• A system that excludes the influence of living organisms

Which statement best describes the relationship between ecosystems and the biosphere?

• Ecosystems are separate from the biosphere

• Only certain ecosystems contribute to the biosphere

• All ecosystems make up the biosphere

• Ecosystems and the biosphere are unrelated

Which of the following is considered a biotic factor in an ecosystem?

• Soil

• Temperature

• Plants and animals

• Rock

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What are examples of abiotic factors?

• Birds and insects

• Soil and sunlight

• Fish and mammals

• Trees and shrubs

Tags

NGSS.MS-LS2-3

What is a habitat in biological terms?

• A type of animal

• A specific environment where a species lives

• A group of animals

• A scientific study of plants

What constitutes a population in biological terms?

• Any group of animals living together

• All plants in a forest

• All organisms of the same species living in the same area

• A community of different species

What is a community in ecological terms?

• A) A single species living in various places

• B) Different species living in different places

• C) Populations of different species living in the same place

• D) A group of similar organisms living together

What is the role of competition in the regulation of species' population sizes?

• It has no significant impact.

• It helps increase the population size.

• It keeps the population size in check.

• It decreases the genetic diversity of the population.

Tags

NGSS.MS-LS2-4