Ecology Basics
Population & Limiting Factors
Predator & Prey
Defense Strategies
Symbiosis
100

What is the physical place where an organism lives?

What is a habitat?

100

All of the same species in an area is called a ________.

What is a population?

100

The organism that hunts and eats another is the ________.

What is the predator?

100

What is blending in with the background called?

What is camouflage?

100

What do we call a close relationship between two species?

What is symbiosis?

200

What is an organism’s role or way of life in an ecosystem?

What is a niche?

200

Give one example of a limiting factor.

What is food, water, predators, space, disease, weather, etc.

200

The organism that gets killed and eaten is the ________.

What is the prey?

200

Bright colors that say “don’t eat me!” are called ________.

What is warning coloring?

200

In which type of symbiosis do both organisms benefit?

What is mutualism?

300

When organisms fight for the same limited resources, what is this called?

What is competition?

300

What are limiting factors?

What prevents a population from getting too large.

300

What is the relationship called where one organism kills and eats another?

What is predation?

300

When a harmless species looks like a harmful one, what is this?

What is mimicry?

300

In which type does one organism benefit and the other is not helped or harmed?

What is commensalism?

400

What rule states that two species competing for the same resource cannot both survive long-term?

What is competitive exclusion?

400

What is the maximum population size an environment can support?

What is carrying capacity?

400

If the prey population drops, what usually happens to the predator population?

It decreases.

400

A shell or thick skin is an example of what type of defense?

What is a protective covering?

400

In which type does one organism benefit while the other is harmed?

What is parasitism?

500

What do we call a species that is not native and can grow out of control in a new environment?

What is an invasive species?

500

Name three limiting factors.

Any valid three: predators, space, water, sunlight, pollution, oxygen, disease, natural disasters, etc.

500

Explain why predator populations cannot continue increasing forever.

Because limiting factors like food availability stop growth.

500

What is false coloring?

Colors or patterns that make an organism look bigger or scarier.

500

What is the organism harmed by the parasite called?

What is the host?

M
e
n
u