Chapter 8 Review Questions

List as many parts as you can of the niche of an organism of your choice

Competition harm each species negatively and they affect the other

Describe the five types of species interactions

Competition, predication, parasitism, mutualism, commensalism, and competition

Explain how population sizes in nature are regulated.

Interactions with the environment will change the characteristics of a population over time. Resources can be depleted or become more available. Predator or prey may increase or decrease.

Give examples of species that have the same habitat but not the same niche that a lion has

Predication and parasitism benefited harmed species a feeds on species

Describe exponential population growth.

Exponential growth will increase by a multiplicative factor while linear growth merely adds the same number to each generation.

Compare two populations in terms of size, density, and dispersion. Choose any populations you know of.

The human population of New York is greater than that of Louisiana. The Louisiana population is clumped along the coast and the Mississippi River. New York population is clumped along the coast and centered around New York City.