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Two closely-related species of birds live in the same tree. Species A feeds on ants and termites, while species B feeds on caterpillars. The two species coexist successfully becaus
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
WWhich sentence represents a hypothesis?
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
Abiotic factors that could affect the stability of an ecosystem could include
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
The first life-forms to appear on Earth were most likely
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
Ecosystems will have a greater chance of maintaining equilibrium over a long period of time if they have
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
Which statement about the use of independent variables in controlled experiments is correct?
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
Which system in humans is most directly involved in the transport of oxygen?
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
Organisms undergo constant chemical changes as they maintain an internal balance known as
homeostasis
Environmental conditions affect germination.
a diversity of organisms
digestive
Only one independent variable is used for each experiment.
simple single-celled organisms
droughts, floods, and heat waves
each occupies a different niche
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