angellynn50

17.10.2019 • 

Biology

1. which would make the best pioneer species during primary succession?

1points
a
bacteria and lichens

b
grasses and birch trees

c
lichens and grasses

d
bacteria, lichens, and grass

2. true or false: a population pyramid with a wide base has a population that is decreasing.

1points
a
true

b
false

3. which of the following are nonrenewable resources?

select all that apply.

1points
a
fossil fuels

b
sunlight

c
nuclear power

d
wind and sunlight

4. which of the following are renewable resources?

1points
a
fossil fuels

b
metals and other minerals

c
plastic

d
wind and sunlight

5. in the logistic growth model, as a population approaches the carrying capacity, what happens to its growth rate?

1points
a
becomes exponential

b
doubles

c
increases

d
slows to zero

Ответ:

TrudnEli1217

21.07.2020

Biology

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This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.

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