Ecology- food chains and food webs

What is ecology?

• the study of cells

• the study of the atmosphere

• the study of interactions of living organisms and their environment

• the study of animal behavior

Which of the following is NOT a level of environmental organization?

• biosphere

• ecosystem

• biotic

• community

Which of the following is the smallest level of environmental organization?

• Biosphere

• Community

• Population

• Organism

What are abiotic factors?

• the nonliving part of the environment

• the living part of the environment

• the part of the Earth where life exists

• all the populations of species that live in the same habitat

Which of the following is NOT an example of an abiotic factor?

• water

• rocks

• light

• plants

What are biotic factors?

• describes the living factors of the environment

• describes the nonliving factors of the environment

• the feeding relationships between organisms

• describes how energy in food flows from one organism to another

Which is NOT an example of biotic factors?

• trees

• scorpion

• snake

• sunlight

What are producers?

• organisms that use sunlight to make food

• organisms that eat other organisms

• an organism that eats only plants

• an organism that gets energy by breaking down dead organisms

An example of a producer is

• rabbit

• cactus

• temperature

• bird

What is an herbivore?

• an organism that eats only animals

• an organism that eats only plants

• an organism that eats both plants and animals

• an organism that eats dead plants and animals