Evolution is genetic change in ____ that occurs over time
a. an individual
b. a population
c. a community
d. an ecosystem
e. the biosphere
b
Biology & Microbiology
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What is the fundamental unit of all substances?
a. Atom b. Cell c. Organ d. Tissue e. Community
Biology & Microbiology
Which of the following statements about the
testes is FALSE?
a. The testes produce testosterone. b. The testes produce sperm. c. Semen is stored in the testes. d. An epididymis is coiled on each testis. e. The testes are located in the scrotum
Biology & Microbiology
In the United States, the largest group of endangered species is:
a. mammals. b. flowering plants. c. insects. d. birds. e. amphibians
Biology & Microbiology
Mitochadria
What will be an ideal response?
Biology & Microbiology