Fire is increasingly used as a management tool in both forest and grassland ecosystems to increase species diversity. How might fire influence the occurrence of a climax community and species diversity?
What will be an ideal response?
Fire can encourage the growth of subclimax plants that generally occurs earlier in succession. This diversity in the community's vegetation may also encourage greater animal diversity.
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What was the benefit of the starling's adaptive behavior? a. Decreased competition for nesting sites
b. Decreased mating competition. c. Decreased predation. d. Decreased competition for food. e. Decreased parasitism on the fledglings from mites.
Which of the following is not a predicted response to climate change due to global warming?
1.Changes of geographical distribution in populations, species and communities. 2.Distribution of polar species will contract to higher latitudes. 3.Lowland species will move to higher elevations. 4.All of these changes have been predicted.
Denitrification
What will be an ideal response?
In what tissues can adult stem cells be found?
A) Stem cells are found only in embryonic tissues. B) Adult stem cells can be found in bone marrow and the liver. C) Stem cells can be found in any tissue that reproduces. D) Adult stem cells are found in hair and fingernail tissues.