Angiosperms

a. are the most successful of all plants.
b. are the most diverse of all plants.
c. produce seeds inside an enclosed structure.
d. have embryos that are provided with
endosperm.
e. have all of these characteristics


E

Biology & Microbiology

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Lymphocytes

A. gain tolerance to self by destruction of lymphocytes that could react against self. B. have membrane receptors that recognize foreign antigens. C. possess MHC antigens for recognizing self. D. develop into clones of B and T cells with extreme variations of specificity. E. All of the choices are correct.

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On a daily basis what percentage of the water the kidneys filter is excreted in urine?

a. 1 percent b. 10 percent c. 20 percent d. 50 percent e. 100 percent

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Which group consists entirely of multicellular eukaryotic consumers?

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