Taxonomy is the branch of science that concerns labeling and classifying living things into more manageable groups. This helps scientists better understand certain species and their connections to other species.
Answer:
We can tell that extinctions have occurred in the past by looking at fossils in layers of sediments. If the amount of fossils found match you can infer that they are the same organism and they are extinct. If you can't match up the bones with any animal today.
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Answer:
Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury. For tissues that are constantly replaced, like blood and skin, stem cells would probably be replaced directly. ... Embryonic stem cells could be grown into more specialized cells for screening potential drugs.
Explanation:
Even species that are kept as pets and in aquariums should be regulated and tracked because their accidental release can have serious negative environmental impacts. Some owners and aquarium keepers intentionally release these species into the wild rather than destroy them, and accidental release is always a risk. Therefore, if a potentially destructive species is going to be kept as a pet or in an aquarium they should be regulated so proper safety precautions can be taken.
