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timama [110]
3 years ago
9

GETS BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!11

Biology
1 answer:
Anna [14]3 years ago
7 0

Answer:

Endangered species are plants or animals that are near extinction. Invasive species are plants or animals that are not originally found in that ecosystem. I don't know the rest sorry. I hope this was helpful though.

   

Explanation:

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Demography is the study of _________
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The main difference between Prokaryotic and Eukaryotic cell is that, eukaryotes contain membrane bound organelles like nucleus where as prokaryotes do not. The genetic material is present at the center and is called nucleoid in prokaryotes.

Explanation:

Example of prokaryotes include bacteria and archea bacteria. Examples of eukaryotes include plants and animals. Prokaryotes lack organelles such as mitochondria, endoplasmic resticulum and lysosomes which are present in eukaryotes. Both the groups contain ribosomes but its 70s ribosome in prokaryotes and 80s ribosomes in eukaryotes.

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if an element has a half-life of 30 million years and there is 12.5% of it remaining in a rock, how old is that rock
Assoli18 [71]

Answer:

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Hope it helps:)

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