1. which of the following would be an example of primary succession?
1points
a
t...
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Biology, 25.09.2019 08:00 emmmssss21
1. which of the following would be an example of primary succession?
1points
a
the regrowth of a forest after a fire.
b
the first growth on land uncovered when a glacier retreats.
c
the growth of wild plants on an abandoned farm.
d
the growth of seedlings after a flood.
2. 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
3. true or false: a population pyramid with a wide base has a population that is decreasing.
1points
a
true
b
false
4. which of the following are nonrenewable resources?
select all that apply.
1points
a
fossil fuels
b
sunlight
c
nuclear power
d
wind and sunlight
5. which of the following are renewable resources?
1points
a
fossil fuels
b
metals and other minerals
c
plastic
d
wind and sunlight
6. why does an algal bloom form?
1points
a
from a lack of nutrients in the water
b
from a dead zone
c
from an excessive growth of algae, killing many other aquatic organisms
d
excess nutrients in the water
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