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Ecology Worksheet II
1) What are some characteristics of a population?
2) What are the 3 dispersal patterns?
3) Draw and explain the 3 survivorship curves.
4) What are the characteristics of reproduction? Explain semelparity and iteroparity.
5) What is the carrying capacity and what factors influence it?
6) Explain the two types of growth models.
7) What are some limits to high species density? What are some density independent
factors?
8) Draw the age structures of a rapid growth, slow growth, and decrease populations.
9) What is the difference between developed and developing countries concerning infant
mortality and life expectancy?
10) What are some factors that influence carrying capacity?
11) How do species interact?
12) What are five characteristics of competition?
13) What is the difference between fundamental and realized niches?
14) What is the competitive exclusion principle?
15) What is resource partitioning?
16) What is character displacement?
17) What are the advantages for predators and what are the prey defenses?
18) What are cryptic coloration, aposematic coloration, and Mullerian, Batesian, and
Mertensian mimicry?
19) What is herbivory and what are some plant defenses?
20) Describe parasites and pathogens? What is the difference between ectoparasites and
endoparasites?
21) What is mutualism and commensualism?
22) What is species richness and relative abundance?
23) Describe the levels of the food chain and the energetic hypothesis.
24) What are dominant, keystone, and foundation species?
25) What are the two models that describe the effect of a disturbance?
26) What is ecological succession?
27) What are primary and secondary succession?
28) What protects the Earth from the sun’s UV rays?
29) What is the difference between gross and net productivity?
30) What are some differences in productivity?
31) What is the pyramid of net productivity?
32) Why is the energy diagram a pyramid shape?
33) What are the chemicals that cycle?