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daser333 [38]
3 years ago
13

Which of the following protists have shells?

Biology
1 answer:
BlackZzzverrR [31]3 years ago
5 0
We can't read your minds we need to see the options
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One reason native plants are declining is that the invasive plants absorb nitrogen from the soil about twice as fast (α = 2). Ho
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α = 0 if β= 0

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If both species want to persist in the same environment and their niches are also over lapping then both of the co-efficient values should be equal. There are two possibilities on these values for persistence. One is that one should compromise to the change produced by the invasive specie and two is that the new specie should compromise if he wants to stay (<em><u>Assuming that there is no competition</u></em>). In this way their niches won't overlap to a greater extent and therefore better chances of survival for both.

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The Greek scientist Galen theorized that:
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A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'

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