Answer:
Keystone species
Explanation:
Keystone species are such species that had a large effect on the natural environment. Such species are very important species as they play key role in determining and maintaining the the structure of an ecosystem and also decide or fix which type of species will be there in that environment and what will be the number of those species in that particular community. Without these keystone species an ecosystem could completely cease or all species could not work in that same manner all-together. Wolf is one of an important keystone species in the ecosystem.
Answer:
B
Explanation:
It is a theory meaning it explains and with the still developing knowledge of science there were somethings that needed to be investigated further
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Water
This flowering plant does not wilt but stands straight up, reaching toward the sunlight, because its cells contain mostly water.
Water is ultimately important to the life of plants as it allows plants to perform its everyday processes by supplying plant’s essential nutrients. When a plant cell is filled with water, it pushes firmly against the cell walls. This effect is known as turgor pressure and it makes the structure of plants (stem tissues and leaves) to become rigid, allowing it to stand upright and prevent it from wilting.
Answer:
C
Explanation:
because the place will run out off resources
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