Ecosystems Review (7th) Question Preview (ID: 51107)


Review For 2020 OL Digital Learning. TEACHERS: click here for quick copy question ID numbers.

Which is NOT an example of a biotic factor?
a) sunlight
b) grass
c) bacteria
d) bald eagle

Which term refers to the part of an environment that fulfills all the biological needs of a plant or animal??
a) house
b) ocean
c) environment
d) habitat

What is a niche?
a) a type of underwater habitat
b) the role or job an organism fills in it's environment
c) a species of plant
d) a species of animal

Which of the following refers to all of the LIVING components of an ecosystem?
a) abiotic
b) biotrope
c) biotic
d) niche

An ecosystem is composed of __________ and __________ factors interacting with each other.
a) biotic, abiotic
b) land, water
c) plant, animal
d) producer, decomposer

What is an abiotic factor?
a) Something that is living (plants, animals, bacteria)
b) Something that is not living (rocks, light, wind)
c) A specific job that an organism has
d) Where an organism lives

A synonym for biotic is...
a) biocenosis
b) biotrope
c) abiotic
d) ecosystem

A synonym for abiotic is...
a) biocenosis
b) biotrope
c) biotic
d) ecosystem

Ecosystems can be divided into which two groups?
a) biotic, abiotic
b) plant, animal
c) terrestrial, aquatic
d) alive, extinct

Which of the following is an aquatic ecosystem?
a) ocean
b) tundra
c) desert
d) forest

Which of the following is a terrestrial ecosystem?
a) river
b) lake
c) ocean
d) forest

Which is of the following is most important to helping an ecosystem thrive?
a) Producers
b) Consumers
c) Decomposers
d) A healthy ecosystem needs all of these

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