Explanation:
A food web shows how organisms in a community prey and feed on each other (feeding relationships). It is composed of many interconnected food chains. In addition, it, therefore, shows how energy is transferred up an ecosystem from the primary producers (in this case the trees and grass) to the tertiary consumers (in this case the hawks and wolves).
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Answer: The oxygen content at the source of the streams or rivers is higher as compared to the mouth of the river. Consequently, the organisms which require more oxygen tend to find at the source of the rivers whereas the organisms which require less oxygen tend to find at the mouth of the river.
Explanation:
Answer: The Moon's gravity is mostly responsible for our tides, but the Sun also plays a role (Figure 14.13). The Sun is much larger than our Moon. ... This happens because the Moon's high tide occurs in the same place as the Sun's low tide and the Moon's low tide is added to by the Sun's high tide.
Explanation:
