Certain plants may form tissues called ________ when their roots are flooded, whereas other plants may always form these tissue types.
A. parenchyma
B. collenchyma
C. sclerenchyma
D. aerenchyma
E. None of the choices is correct
D. aerenchyma
Biology & Microbiology
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True or False: Ecdysozoans include insects and make up more than half of all known animal species
A. true B. false
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The ________ resemble the ancestor of all animals
a. choanoflagellates b. dinoflagellates c. amoeboflagellates d. euglenoids e. ciliates
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In antibody-dependent cytotoxic allergic reactions (type II), the binding of _____ to targeted cells results in lysis of those cells.
A. antibodies B. antigens C. helper T cells D. histamine
Biology & Microbiology
The tropical diseases such as African sleeping sickness, Chagas disease, and leishmaniasis are caused by
A. trypanosomes. B. phytomastigotes. C. sporozoans. D. foraminifera. E. oomycetes.
Biology & Microbiology