Archaeans include three main groups:__________ (methane producers), __________ (salt lovers), and

__________ (heat lovers). Fill in the blank(s) with the appropriate word(s).


methanogens; extreme halophiles; extreme thermophiles

Biology & Microbiology

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Echinoderms are related to Chordates because the first opening in development becomes the mouth

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

If fertilization does not occur following release of the egg by the ovary, then which one of the following degenerates approximately two weeks after ovulation?

A) primary oocyte B) oviduct C) endometrium layer D) corpus luteum E) choices A through D are correct

Biology & Microbiology

When an owl catches and kills a mouse for food, the owl is

a) a scavenger b) a predator c) prey d) a parasite

Biology & Microbiology

What phenomenon describes a genetic trait that is expressed more strongly or earlier in development with each generation?

A. epigenetics B. genomic imprinting C. maternally determined progeny phenotypes D. epistasis E. anticipation

Biology & Microbiology