HONORS BIOLOGY Chapter 13 and 14 Quiz. 1. Define the following terms: (1 each) -competitive exclusion- the result of competition in which one of the species is locally extinct from the community - niche- the role of an organism in the habitat.
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1. Define the following terms: (1 each)
-competitive exclusion- the result of competition in which one of the species is locally extinct from the community
-niche- the role of an organism in the habitat.
-keystone species- important species that has a large effect on the ecosystem
6. Explain how two squirrels both feeding on the nuts of an oak tree avoid the consequences of competition. (3)-the squirrels might exploit a different portion of the habitat.
7. What effect does competition have on a community. (2)
What is the prey defense seen here?- Camouflage
What is the prey defense seen here? Aposematic Coloration
Slide 1 Batesian
Slide 2 Mullerian
Green parrot snake
Uniform- organisms are territorial and defend their territory
Random- environment typically has an abundance of resources. Usually seen in plants that randomly disperse their seeds.
Clumped- Organisms are highly social and work in groups for better opportunities to feed and for survival
Number of survivors (log scale)
Percentage of maximum life span
K = 1,500
Population size (N)
Number of generations
What is the difference between the two curves in the previous slide.
What is the carrying capacity of the population? What does this mean?
1500, the environment can sustain this number or individuals without a decline in the population