Ecology and Human Impact Quiz

What is a trophic pyramid?

• A diagram that shows the flow of energy through different levels of a food web

• A structure that represents the physical layers of the Earth's crust

• A chart that displays the genetic diversity within a population

• A map that shows the distribution of species in a region

Which of the following is a density-dependent limiting factor in population dynamics?

• Natural disasters

• Disease

• Climate

• Temperature

In a logistic growth model, what happens when a population reaches its carrying capacity?

• The population continues to grow exponentially

• The population size stabilizes

• The population size decreases rapidly

• The population becomes extinct

Which of the following ecosystems is characterized by low rainfall and high temperatures?

• Tundra

• Desert

• Temperate forest

• Taiga

What is biodiversity?

• The variety of life in a particular habitat or ecosystem

• The number of individuals in a population

• The rate at which a population grows

• The amount of energy transferred between trophic levels

Which of the following is a consequence of climate change on ecosystems?

• Increased biodiversity

• Stable weather patterns

• Altered species distribution

• Decreased levels of pollution

What is the main goal of conservation biology?

• To increase the human population

• To preserve biodiversity and natural habitats

• To eliminate all invasive species

• To promote urban development

Which of the following is a pro of using alternative energy sources?

• They are non-renewable

• They reduce greenhouse gas emissions

• They increase air pollution

• They deplete natural resources

What is the process of reintroducing species to their natural habitats called?

• Reclamation

• Reintroduction

• Extinction

• Migration

How is population growth rate calculated in an exponential growth model?