Ecology Quiz 1

Which of the following is an example of an abiotic factor in an ecosystem?

• Plants

• Sunlight

• Animals

• Bacteria

What is the definition of metabolism?

• The ability to produce new organisms

• Maintaining a stable internal environment

• The sum of biochemical reactions in an organism

• The nonliving factors in an ecosystem

What is the role of decomposers in an ecosystem?

• Produce their own food

• Break down dead organisms and recycle nutrients

• Consume other organisms for energy

• Maintain a stable internal environment

What is the study of how organisms interact with each other and their physical environment called?

• Prevalence

• Biosphere

• Ecology

• Metabolism

All of the biotic and abiotic factors in the area, the community and its physical environment are called a(n)

Match the following

• Decomposers

• organisms that make their own food, they are the start of every food chain.

• producers

• Organisms that break down dead organisms and organic matter to get energy, they recycle nutrients.

• consumers

• organisms that consume or eat other organisms for energy, cannot make their own energy.

Match the following

• metabolism

• Living things can respond to thing in their internal and external environments, called stimuli.

• response to stimuli

• Maintaining a stable internal environment.

• organization

• This is the sum of the biochemical reactions taking place in an organism.

• homeostasis

• All living things are made up of cells, they can be single celled or multicellular.

• growth

• Living things are capable of getting larger.

​ (a)   are large molecules that are necessary for life, that are made up of smaller organic molecules.

• Macromolecules
• Organisms
• Biotic factors
• Communities