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german
3 years ago
10

Distinguish between the bottom-up and top-down models of community organization.

Biology
1 answer:
galina1969 [7]3 years ago
3 0

Answer:

Bottom -up models of community:

The bottom up models of the community represents the unidirectional influence of the community. The model shows from the lower to the higher tropic levels in the community. This model determines the nutrient minerals and the primary producer abundance.

Top - down models of community :

The top down model of the community represents the one tropic level to the other tropic levels. This model is also known as cascade model. This model determines how the one tropic level controls the other tropic level. For example: the control of herbivores by the predators.

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neonofarm [45]

Answer:

Photoautotroph"" means:

light self-feeder.

Explanation:

Photoautotroph has three words embedded in one

photo= light

auto= self

troph= feeding pattern

therefore, it means light self feeder

6 0
3 years ago
Subunits of skeletal muscle fibers that are composed of sarcomeres are called ________. Subunits of skeletal muscle fibers that
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Answer:

The correct answer is myofibrils

Explanation:

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4 0
3 years ago
The driving force behind gas exchange in the body is
svlad2 [7]

Answer:

c

Explanation:

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3 0
3 years ago
1. Give an example of disruptive selection taking place in a population.
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Answer:1.Selection of the dark-colored moths over light-colored moths after industrial evolution is an example of directional selection while selection of alpha males and “sneaking” males over intermediate males in a lobster population is an example of disruptive selection.

2.organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur.

Explanation:

i really hopes this helps

6 0
2 years ago
Definition: These help us decide whether something is living or non-living.
tankabanditka [31]

Answer:

I am pretty sure you are asking for the correct words which for living is biotic and for non living it is Abiotic

Explanation:

6 0
3 years ago
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