Filter feeders on coastal shelves tend to dominate in areas that have:

a. moving currents and coarse sediments.
b. no currents and fine sediments.
c. silty areas.
d. muddy areas.


A

Biology & Microbiology

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The conducting tissues of vascular plants are rigid because they contain ________ in their cell walls

Fill in the blank(s) with correct word

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A transfer of genes between non-homologous chromosomes is known as

A. crossing over. B. aneuploidy. C. trisomy. D. translocation. E. duplication.

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Jess has A- blood type, has never received a blood transfusion, and never been pregnant. Antibodies against what blood antigens could be present in Jess' blood?

A) O and Rh antigens B) B antigens C) A antigens D) B and Rh antigens E) O antigens

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