Biology - Final Exam Review - Spr24

Which of following formulas would you use to calculate population growth? (B=births, I=immigration, D=deaths, & E=emigration)

• (B + I) - (D + E)
• (B + E) - (D + I)
• (B + I) x (D + E)
• (B + I) / (D + E)

What aspect of a population is the number of individuals per unit area?

• population growth
• population density
• population change
• logistic growth

The line labeled A represents

• carrying capacity
• logistic growth
• exponential growth
• population density

The line labeled B represents

• carrying capacity
• logistic growth
• exponential growth
• population density

The term for the maximum number of individuals that an ecosystem can support is

• carrying capacity
• logistic growth
• exponential growth
• population density

Which of the following is NOT a density-dependent limiting factor?

• predation
• disease
• parasites
• natural disaster

Demographic transition refers to a shift from high birthrates and high death rates to

• exponential growth
• low birthrates and low death rates
• low birthrates and high death rates
• indefinite growth

Biodiversity is important to human society because it

• is a natural resource
• provides food and goods
• provides medicines
• All of the above

An ecological "hot spot" is an area where

• habitats and species are healthy
• hunting is encouraged
• habitats and species are in the most danger of extinction
• species diversity is high

An increase in Earth's average temperature from the build-up of carbon dioxide and other gases in the atmosphere is called

• the greenhouse effect
• ozone depletion
• climate change (global warming)
• solar reflection