Ecology Test Review

What is a community?

• A large group of similar organisms

• Many groups of populations

• A single organism

• All living and non-living factors

A diagram that shows all possible paths of energy flow is a...

• Food chain

• Energy pyramid

• Food web

• Numbers pyramid

An apex predator is...

• At the highest trophic level

• At the lowest trophic level

• In the middle of the food web

• Non-existent

1' consumers will always eat producers because they are...

• Carnivores

• Autotrophs

• Herbivores

• Omnivores

Which of the following is an example of mutualism?

• Whales and barnacles

• Mistletoe and trees

• Monarch and Viceroy Butterflies

• Sharks and remoras

What is not a key factor to know when studying population?

• Density

• Biodiversity

• Dispersion

• Population Growth

Something that does rely on the number of organisms present at a given time is...

• Density Dependent

• Biodiversity

• Resilience

• Density Independent

When conditions are relatively stable despite changes in environmental factors

• Biodiversity

• Homeostasis

• Resistance

• Resilience

Which of the following is NOT a threat to biodiversity?

• Pollution

• Habitat Destruction

• Keystone Species

• Invasive Species

Primary succession starts with...

• Bare rock

• Nutrients

• Soil

• Life