Explanation:
The earliest animals would have been invertebrates. Meaning they had no bones to fossilized in the first place and would have been mostly soft tissue supported by internal pressure or surrounding water pressure in the ocean.
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Answer:
A. Vaccines
Explanation:
These are meant to prepare the body for the possibility of infection by building up immunity.
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This is active transport so the ions go against the concentration gradient. This means that the ions will travel from the place where there are less sodium ions(from the inside of the cell) to the place where there are more sodium ions (to the outside of the cell).
Answer:
Biotechnology greatly improved biodiversity. For example, Genetic modification produces genetically modified animals, plants and organisms. If they are introduced into the environment they can affect biodiversity. For example, existing species can be overrun by more dominant new species. Assessing the impact on biodiversity requires knowledge.
Answer:
it is called a part from your body and is a creation of god
