What is NOT a viable explanation for mass extinction?

a. collisions between Earth and other bodies in the solar system
b. continental movements
c. adaptive radiation of new predator species in many lineages
d. alterations in sea level
e. habitat destruction


ANSWER: c

Biology & Microbiology

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When considering two loci on a chromosome, the loci are said to be in ________, [two words] when the genotype at one locus is independent of the other

Fill in the blank(s) with correct word

Biology & Microbiology

A mutation in a fly causes an antenna to develop where a leg should be. This is an example of a ________ mutation

Fill in the blank(s) with correct word

Biology & Microbiology

A few sugars joined together are called a(n)

a. glycoside. b. oligosaccharide. c. polysaccharide. d. starch

Biology & Microbiology

Please choose the class of chemical agents to which quaternary ammonium compounds belong.

A) Detergents B) Oxidizing agents C) Halogens D) Phenolics E) Aldehydes

Biology & Microbiology