Why do animals in deep ocean depths live in complete darkness?

a. because 100% of the ocean is at a depth where no light penetrates
b. because over 90% of the ocean is at a depth where no light penetrates
c. because over 80% of the ocean is at a depth where no light penetrates
d. because over 70% of the ocean is at a depth where no light penetrates


Ans: b. because over 90% of the ocean is at a depth where no light penetrates

Biology & Microbiology

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a. AUG?CGU. b. ATG?CGT. c. UAC?GCA. d. UAG?CGU. e. CGT-ATG.

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A carefully planned and executed manipulation of the natural world used to test a prediction in the scientific method is a(n) ________

Fill in the blank(s) with correct word

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You would not expect to find homeobox or homeobox-like genes in:

a. Drosophila. b. Arabidopsis. c. C. elegans. d. H. sapiens e. E.coli

Biology & Microbiology