The body shape of a dolphin and a tuna are ____

a. homologous structures
b. comparative structures
c. analogous structures
d. repetitive structures
e. vestigial structures


ANSWER: c

Biology & Microbiology

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Four of the five answers listed below are differences between archaea and bacteria. Select the exception

a. cell wall components b. membrane components c. ribosomal RNA sequences d. DNA nucleotides e. DNA and histone organization

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Which of the following is not a mechanism of differentiation?

A) induction B) inhibition C) apoptosis D) positional information

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Which of the following domains contains the common advanced plants and animals and fungi?

A) Archaea B) Bacteria C) Plantae D) Fungi E) Eukarya

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The physical characteristics an organism possesses that are used to describe, classify, and categorize the organism by appearance are referred to as its_________.

A) phenotype B) genotype

Biology & Microbiology