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Natalija [7]
3 years ago
7

Facilitated diffusion across a biological membrane requires ________ and moves a substance ________ its concentration gradient.

Biology
1 answer:
nexus9112 [7]3 years ago
4 0
Channel protein ; across
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Answer:The based on this information interaction between these two species can best be described as COMPETITION. Correct option is B

Explanation:

Competition occurs between two species that shares the same requirements ( especially food) for survival.

Both the Western Toad and the Bull Frog has a similar niche because they require the same type of food (beetles, bees, and small aquatic insects) to survive in the environment of Arroyo Seco. Only one of the species will coexist in that environment and it's usually the survival of the fittest.

This explains the competitive exclusion principle proposed by Georgii Gause in 1934.

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3 years ago
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Match each item with the correct description.
DIA [1.3K]

Answer:

Stratosphere-characterized by strong,steady wind.Troposphere-responsible for earths weatherIntrusive Igneous Rocks-formed from magma cooling…Crust- made of mostly silicon dioxide  Metamorphic rocks- formed when heat and pressure…

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Option C

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Hence, option C is correct

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