What role would an owl that eats a seed-eating mouse perform in a food chain?

A) producer
B) primary consumer
C) secondary consumer
D) tertiary consumer


C

Biology & Microbiology

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The most common type of polyploidy in humans is ____

a. trisomy b. monosomy c. triploidy d. tetraploidy e. haploidy

Biology & Microbiology

Scientists want to determine whether chemical X, a component of fertilizer, is harmful to fish. They treat fish in the

laboratory with increasing amounts of the chemical for one week and then measure their viability. When researchers designed this experiment, they wrote "chemical X is toxic to fish" in their lab notebook. This statement is a(n) ____.

a. interpretation b. prediction c. hypothesis d. result e. theory

Biology & Microbiology

If the DNA nucleotides read

ATG?CGT?GAC, the amino acid sequence of the resulting polypeptide would be a. tyrosine ? alanine ? leucine. b. methionine ? arginine ? asparagines. c. histidine ? glycine ? praline. d. serine ? lysine ? glycine. e. all of these.

Biology & Microbiology

Analysis of a certain polymer shows that it contains phosphate groups, ribose groups, and pyrimidines

Based on this information, which of the following is the best description of this compound? a. It is most likely ribonucleic acid. b. It is DNA. c. It is an inorganic compound. d. It contains thymine. e. It is a polypeptide

Biology & Microbiology