Oceanography is basically a ocean ecology. In oceanography you study the oceans, and everything in it. It also studies, apart from animals and plants, such as other water-related things like waves and currents.
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A A population has just begun to grow
Answer:
A heterotroph is an organism that doesn't make their own food.
Explanation:
Answer:
1). It creates genetic diversity within a species
2). There is a natural level of disease resistance throughout the species
Explanation:
Answer: Availability of water
Explanation:
When a person is travelling from a forest ecosystem towards grassland ecosystem the number of trees gets reduced in number.
The trees are replaced by prairie grasses. This change is because of less water availability in the area having grass.
The amount of precipitation decides the type of vegetation found in that area.So the area having trees would be having more precipitation as compared to the area having prairie grass.