The cell theory was constructed by <span>Schleiden and Schwann.
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>Matthias Jakob Schleiden<span> was a German </span>botanist<span> and co-founder of the </span>cell theory, along with Theodor Schwann<span> and </span>Rudolf Virchow (not really credited towards it, he is a contributor to the said theory.
>Robert Hook---largely attributed the cell theory;started the study of cells known as the cell biology.
>Carolus Linnaeus---<span>a Swedish </span>botanist<span>, physician, and </span>zoologist<span>, who formalized the modern system of naming organisms called </span>binomial nomenclature<span>.</span>
THE ANSWER IS LETTER D.<span>no, because the virus is only contained in certain bodily fluids and survives for a limited time outside of the body
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HIV is a kind of sexually transmitted disease which transmits with body fluids and infects host cell . The type of virus an HIV has is a cellular microscopic organism which is comprised of genetic material and a protein coat. To remain alive it needs a host cell.
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"Water quality" may include the amounts of dissolved oxygen
and the levels of algal growth, pollutants which may be present and the pH level. Water quality effects also which types of organisms can
survive in a body of water.
Shellfish require a high level
of dissolved oxygen and their abundance is an indication of good water quality. Shellfish are sensitive to changes in the ecosystem and they cannot easily escape changes in the water quality. These are one of the reasons why shellfish are good indicators of water quality.
Answer:
to stop animals from eating plants
Explanation:
the thorns and spines help protect the plant for example if we touch the plant it hurts same goes with animals
