Ecology Test Review

Which term is paired correctly with the example that best describes it?

• population; all the wildebeest and giraffes on the African savanna

• ecosystem; the nonliving elements and different species in a lake

• community; the average temperature and rainfall on an isolated island

• biosphere; all the spotted toads in a pond

What is the relationship between an ecosystem and a community?

• A) A community is a very large ecosystem.

• B) An ecosystem is a very large community.

• C) An ecosystem includes a community and abiotic factors.

• D) A community includes an ecosystem and abiotic factors.

Match the following levels of classification to their definitions:

• Ecosystem

• All the same species

• Organism

• All the different living things

• Community

• 1 individual

• Population

• All the biotic and abiotic things

All nonliving things in an ecosystem are ____________

• None

• biotic factors

• abiotic factors

Tags

NGSS.MS-LS2-3

High biodiversity is 

• having a lot of the same organism.
• having a few of the same organism.
• having a lot of variety of different organisms.
• only having one of each organism. 

Tags

NGSS.MS-LS2-5

What does "ecosystem" mean?

• Non-living parts of an ecosystem

• Living organisms or living parts of an ecosystem

• all of the living organisms and their non-living environment

Identify the correct level or organization: all of the the ​sea turtles living in the coral reef are a ​ ​ ​ ​ ​ ​ (a)   ​ ​

• biosphere
• biome
• species
• population
• community
• ecosystem

Identify the correct level or organization: the ​sea turtles plus all of the other fish, plants, and coral are a ​ ​ ​ ​ (a)  

• community
• ecosystem
• biosphere
• biome
• species
• population

Tags

NGSS.MS-LS2-3

What is a population?

• One individual member of a species

• a group of individuals of the same species that live in the same area

• a community of different species and their environment

Which definition best fits the term biotic?

• The study of the interactions between animals and their environment

• Factors in the environment that are considered not alive

• Factors in the environment that are considered living or the remains of living things