Ecology Part I

Which of the following is an abiotic factor?

• Predation

• Competition

• Water

• Organisms

Which of the following is an example of a biotic factor?

• Soil

• Weather

• Predators

• Climate

Define habitat

• An organism's role in an ecosystem

• Where an organism lives in an ecosystem

• The relationships an organism has in an ecosystem

• A symbiotic relationship

In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.

What type of ecological succession happened?

• Primary succession

• Secondary succession

• Tertiary succession

• None of the above

What is the ultimate source of energy for all ecosystems?

• the Sun
• plants
• secondary consumers
• primary consumers

Which of the following is an organism that eats only meat?

• herbivore
• carnivore
• omnivore

Which is represented by all of the bullfrogs living around a pond?

• community
• habitat
• population

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

 plants that convert energy from the sun

• decomposer
• primary consumer
• secondary consumer
• producer

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche