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wolverine [178]
2 years ago
14

Someone help me with my living environment exam

Biology
1 answer:
kiruha [24]2 years ago
3 0
I think you are right, B
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Answer: A.

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Explain why a hydrogen atom can become either an ion or a part of molecule?
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<span>If it loses that 1 electron (0 electrons, 1 proton, 1 neutron) it become an ion that is positively charge because it has more protons than electrons. [Ignore the neutrons] </span>

<span>If it gains an electron (2 electrons, 1 proton, 1 neutron) it becomes an ion that is negatively charge because it has more electrons than protons </span>

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<span>3 protons, 3 electrons <----- neutral </span>

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3 years ago
In the hypothesis that C. stellatus (a species of barnacle) is competitively excluded from the lower intertidal zone by B. balan
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<h2>Competitive exclusion principle.</h2>

Explanation:

The fundamental and realized niches of B. balanoides are identical, but the fundamental and realized niches of C. stellatus are different.

All the possible combination of resources and condition under which a species can grow, survive and reproduce is called its fundamental niche. Whereas, the more limited set of resources and condition under which a species can grow, survive and reproduce in the presence of competitors and predators is termed as its realized niche.

Competitive exclusion principle states that if two competing species coexist in a stable, homogeneous environment, then they do so as a result of differentiation in their realized niche.

<em>B. balanoides</em> can use a wider range of resources than<em> C. stellatus </em>because its fundamental and realized niches are identical . Hence thrives to exclude C.stellatus.

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An endangered species is
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A specises that is very close to extinction that they are trying to save
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