Answer:
Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Explanation:
The biodiversity would change over time through ecological succession. This can be done many ways. One way would be through a damaging event, such as a forest fire or flood. Then, a pioneer species would start growing. A pioneer species would then lead to increased biodiversity in both antibiotic and biotic factors, therefore strengthening the ecosystem even more.
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Answer:
No
Explanation:
Freshwater biology is the scientific biological study of freshwater ecosystems and is a branch of limnology.
Answer:
Homologous structures have the same ancestry, but may no longer serve the same function. For example, the bones that make up human fingers were inherited from an ancestor that's shared by all mammals.
Answer:
It also provides an extremely stable backbone with the negatively charged phosphates pointing to the outside of the molecule. This charge aids in the attachment of other molecules to the strand of DNA. DNA double helix allows it to be stable and it won't easily destroyed.