Prokaryotes reproducing by binary fission can increase genetic variation by (select all correct choices):

A. mutation.
B. DNA transfer during conjugation.
C. obtaining DNA from the environment.
D. obtaining DNA through viral infection.
E. exchange of genetic material between
homologous chromosomes.


A,B,C,D

Biology & Microbiology

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Which of these terms defines how the organism allocates resources to growth, reproduction, and activities or structures related to survival?

A) survivorship B) life history C) energy budget D) demography

Biology & Microbiology

Homologous genes in different species are called

A. analogs. B. paralogs. C. orthologs. D. dialogs. E. monologs.

Biology & Microbiology

Most invasive species have a far greater impact in their new home than they did in the community in which they evolved. Why is this?

What will be an ideal response?

Biology & Microbiology

The ancestor to the tetrapods belongs to which class?

A. Actinopterygii B. Cephalaspidomorphi C. Chonrichthyes D. Myxini E. Sarcoptergii

Biology & Microbiology