18 Questions
What do organisms in a trophic level use energy for?
For life processes and releasing heat
What percentage of energy is transferred to the next higher trophic level?
10%
What type of pyramid represents the amount of living organic matter at each trophic level?
Biomass Pyramid
Which of the following is an example of a pesticide?
DDT
Who is the tertiary consumer in the given food web?
Hawks
What type of pyramid shows the relative amount of energy available at each trophic level?
Energy Pyramid
What is an example of competition for resources mentioned in the text?
Gray squirrels competing with red squirrels for food
What is the ecological niche of an organism dependent on?
Both the habitat and the role it has in its environment
What is an example of mutualism mentioned in the text?
A sunflower and bees
What is the term for when one organism captures and feeds on another organism?
Predation
What is the analogy used to describe the difference between habitat and niche?
Habitat is the 'address' and niche is the 'profession'
What is the term for a relationship in which two species live closely together?
Symbiosis
What is the primary energy source for life on Earth?
Light energy
What is the process by which producers convert light energy into chemical energy?
Photosynthesis
What is the term for organisms that rely on other organisms for their energy and food supply?
Heterotrophs
Which of the following is an example of a herbivore?
Deer
What is the term for the network of food chains within an ecosystem?
Food Web
Which of the organisms is the top consumer in the food web?
Hawk
Learn about the fundamental concepts of ecology, including biotic and abiotic factors, producers, and photosynthesis. Understand how organisms interact with their environment and each other. Test your knowledge of the building blocks of life on earth!
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