Ecology Part 1

Ecology is the study of:

• only the living things in the environment

• only the nonliving things in the environment

• how living things interact with each other and the nonliving things in the environment

• scientists who perform research on living things

What term do ecologists use to describe where an animal lives (an animal’s home)?

• Ecosystem

• Ecologist

• Habitat

• Population

What is a species?

• Different animals that compete for the same resources

• A group of similar organisms that can reproduce with each other

• A group of organisms that live together

• A group of organisms that are physically and functionally very different from each other

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

• A bacterium

• A shell

• Water

• Sweat

Which of the following is a biotic factor?

• Sun

• Rocks

• Milk

• Wood

What type of organism can make its own food?

• A producer (an autotroph)

• A consumer (a heterotroph)

• A decomposer

• All of the above

Organisms that can make their own food do so by the process of:

• decomposition

• respiration

• photosynthesis

• scavenging

What type of consumer eats plants?

• Herbivore

• Omnivore

• Carnivore

• Both herbivore and omnivore

What is a food chain?

• A representation of an organism’s life cycle

• A way to show the feeding relationships between organisms

• The sequence of events that occurs during photosynthesis

• A way to show how animals interact with nonliving parts of the environment

The first organism in a food chain is ALWAYS a:

• producer

• consumer

• decomposer

• Any of the above