Killifish and pike-cichlids raised in natural
conditions will
a. affect the age at first reproduction of the guppies
that live with them.
b. prey on guppies.
c. affect the growth rate of guppies.
d. affect the evolution of the guppies’ life history
traits.
e. do all of these.
Answer: e
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Which statement BEST describes the habitats of the fungi?
A) Most fungi are aquatic, microscopic, and primarily freshwater. B) Most fungi are aquatic and primarily marine. C) Most fungi are terrestrial, microscopic, and inhabit soil or dead plant matter. D) Most fungi are terrestrial and macroscopic.
Premature babies that are born as early as ___ weeks after fertilization can survive
A. 22 B. 13 C. 17 D. 27 E. 30
Currently, the International Union for Conservation of Nature and Natural Resources (IUCN) does not monitor threats to:
a. vertebrates b. plants c. invertebrates d. mammals e. bacteria
The number of chromosomes in a eukaryotic cell
a. differs in various somatic cells of an individual. b. varies during the life cycle. c. is haploid among asexually reproducing forms and diploid if they reproduce sexually. d. is the same for all members of a species. e. is dependent on the age of the tissue.