The oxygen that we breathe is a waste product of what reaction? A.Metamorphosis B.Photosynthesis
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Ответ:
B. Photosynthesis
Explanation:
Plants take in carbon-dioxide and convert it into glucose, or sugar that the plant uses as food. During photosynthesis, oxygen is created as a byproduct
Ответ:
A lack of places to build nests is an example of space as a limiting factor for a population of birds.
Explanation:
From the point of view of ecology, a limiting factor refers to a resource (space, water, food) that is necessary for living and satisfy the needs of a population or species, and that its lack or shortage leads to low growth and development of them. This population would have to find a suitable place to settle.
In this case, the absence of a place to settle is for birds a limiting factor of space, forcing them to find another place to build their nests.
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Limiting factor link