Competition In Ecosystems Question Preview (ID: 60981)


MS-LS1-5 Competition In Ecosystems. TEACHERS: click here for quick copy question ID numbers.

Living things depend on many different _________ in order to survive.
a) resources
b) ecosystems
c) environments
d) interactions

Environments include both _____ and _____ things.
a) resources; factors
b) air; water
c) living; nonliving
d) buildings; animals

For populations to continue to survive, some organisms in the population must _________.
a) grow
b) reproduce
c) die
d) eat

Characteristics such as height, hair color, and eye color are ________ factors.
a) environmental
b) population
c) ecosystem
d) genetic

Ecosystems depend on organisms to ________ with each other to maintain stability.
a) interact
b) build
c) eat
d) grow

Organisms are the ________ things in an ecosystem.
a) factors
b) nonliving
c) resources
d) living

Air, water, and sunlight are all ________ components of an ecosystem.
a) factors
b) nonliving
c) man-made
d) living

Wildlife biologists study _____.
a) only wild animals
b) populations in ecosystems
c) farm animals
d) only plants

Plants compete for air, water, ________ within ecosystems.
a) choices space , and sound
b) sunlight, and wind
c) space, and sunlight
d)

An invasive species is a plant or animal that is ________ to an ecosystem.
a) not native
b) just visiting
c) beneficial
d) not friendly

What is a community of interacting organisms and their environment called?
a) habitat
b) ecosphere
c) ecosystem
d) life cycle

What member of an ecosystem produces oxygen, and also provides homes for animals?
a) rocks
b) birds
c) plants
d) soil

What is necessary for an organism to survive in an ecosystem?
a) it must be sunny
b) its specific needs must be met
c) it must have heat
d) it must be underwater

What makes a healthy ecosystem?
a) water
b) animals
c) invasive species
d) balance

How can humans reduce our negative effect on ecosystems?
a) deforestation
b) recycling
c) logging
d) introducing invasive species

Which are examples of non-living parts of an ecosystem?
a) water
b) soil
c) air
d) all of the above

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