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barxatty [35]
3 years ago
7

The rusty crayfish is harmful to Native species of crayfish because it clear cut the bottom of waterways leaving native species

without a food supply
T or F
Biology
2 answers:
Verdich [7]3 years ago
7 0
I think its true hope this helps.
Studentka2010 [4]3 years ago
4 0

Answer: True

Explanation:

An invasive species is the one which competes with the members of the native species for resources when introduced to a new ecosystem.

According to the given situation, a rusty crayfish is harmful to the native species of crayfish. This tells us that rusty crayfish is invasive for native species of crayfish. Thus the native species left without food as there exists competition for food.

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Vinil7 [7]

Answer:

In an ecosystem photosynthetic plants act as producers wheres other organism act as consumers.

Explanation:

Green plants undergo photosynthesis to produce their own food as a result they are called producers and are placed in the first tropic label of energy pyramid.

          The other organism that intake green plants are called primary consumers for example grasshopper. The primary consumers are placed in the second tropic label of energy pyramid.

           The other consumers are termed as secondary consumers or primary carnivores that feed on primary consumers For example Snake because it eats grasshopper and is placed in the third tropic label.

         Finally the tertiary consumers or secondary carnivores consumes secondary consumers to intake energy from them.For example Hawk eats snake,as a result hawk act as secondary carnivores and are placed in the top of the energy pyramid.

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3 years ago
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xz_007 [3.2K]
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Ostrovityanka [42]

Answer:

oxygen and H20

Explanation:

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7 0
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What is a negative consequence for less prosperous countries when manufacturing is outsourced to them?
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