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Margaret [11]
3 years ago
8

Why dose the amount of water in a river change during the year

Biology
2 answers:
Marizza181 [45]3 years ago
8 0
Hello! 
The amount of water in a river varies for each particular area. Whether the area has been receiving rainfall or a drought. 
Seasons also play a role; if it's Spring, you may receive more rainfall and have a higher water levels. If it's Summer, you may experience a drought, causing lower water levels.
Although that was not very much information, I thought I'd provide a small bit of information. Hope it helps. :)
sladkih [1.3K]3 years ago
7 0
To make the answer very very simple its EVAPORATION
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The species had the same fundamental niche, but the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

<h3>Why is the perceived niche considered a subset of the fundamental niche?</h3>

Well, as we know, the perceived niche is smaller than the fundamental niche, in other words it is a specific portion of the fundamental niche, so it is considered a subset of the fundamental niche.

With this information, we can conclude that the species had the same fundamental niche, but that the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

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