Ecology Basics: Organisms and Environment

What do organisms in a trophic level use energy for?

What percentage of energy is transferred to the next higher trophic level?

What type of pyramid represents the amount of living organic matter at each trophic level?

Which of the following is an example of a pesticide?

Who is the tertiary consumer in the given food web?

What type of pyramid shows the relative amount of energy available at each trophic level?

What is an example of competition for resources mentioned in the text?

What is the ecological niche of an organism dependent on?

What is an example of mutualism mentioned in the text?

What is the term for when one organism captures and feeds on another organism?

What is the analogy used to describe the difference between habitat and niche?

What is the term for a relationship in which two species live closely together?

What is the primary energy source for life on Earth?

What is the process by which producers convert light energy into chemical energy?

What is the term for organisms that rely on other organisms for their energy and food supply?

Which of the following is an example of a herbivore?

What is the term for the network of food chains within an ecosystem?

Which of the organisms is the top consumer in the food web?