Answer:
Scientists use a system like this to group living things. the grouping are based on common traits. this system helps scientists to study the million of organisms of new organisms are discovred each year
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Answer:
I think its A. Valley Formations !
Explanation:
I apolgize if i'm wrong
Answer:
D. An area with many individuals of many species.
Explanation:
Biodiversity is the variety and variability of life on Earth.
Biodiversity is supposed to be diverse with a lot of different species. Diverse means showing a great deal of variety; very different.
Answer:
Isotopes
Explanation:
The carbons are different isotopes.
