Show:
Relationships
Animal Populations
Risk Status
This and That
Prefixes & Roots
100
When two organisms are dependent on each other, their relationship is called this.
What is “symbiotic”?
100
The term used for animals hunted by other animals.
What is prey?
100
Occurs when there are no more individuals of that species alive anywhere in the world - the species has died out.
What is Extinct?
100
Plants release this chemical needed by humans.
What is oxygen?
100

This prefix means "life" or living.

What is "bio"?

200
When one species “feeds” from and causes harm to another species.
What is Parasitism?
200
The term for animals that hunt other animals.
What is predator?
200
A plant or animal species existing in such small numbers that it is in danger of becoming extinct.
What is endangered?
200
This happens in an ecosystem when a population of prey has decreased in number
What is a decrease in the number of predators?
200

When you see the prefix "eco", you know that the word has to do with ____.

What is the environment?

300
When two species benefit from and are dependent on their relationship.
What is Mutualism?
300
The term for what happens to predators when they have eaten all of the prey in an area.
What is starvation?
300
Any species that is likely to become an endangered species within the foreseeable future.
What is threatened?
300
A tick living on a dog is an example of this symbiotic relationship.
What is parasitism?
300

The root word "carni" means ___.

What is flesh or meat?

400
When one species gets food or shelter from another without harming or benefiting that organism.
What is Commensalism?
400
The term for what happens to prey when there are not enough predators to eat them.
What is population explosion / overgrazing?
400
A plant, fungus, or animal species that is not native to a specific location (an introduced species), and that has a tendency to spread in a way that causes damage to the environment, human economy or human health.
What is an invasive species?
400
The process of photosynthesis produces this chemical that poants use for growth.
What is glucose (sugar)?
400

If you see the root word "terra", you know the word has something to do with _____.

What is land or earth?

500
The term used to describe realtionships among organisms in an ecosystem.
What is interdependent?
500
Concerns about having too many herbivores (deer, squirrels, mice etc.) & scavengers (raccoons, skunks, etc.) in an urban setting.
What is disease, danger to the herbivores & scavengers and property damage?
500
The two biggest threats to organisms in natural ecosystems.
What are pollution and habitat destruction?
500
The beginning of all food webs.
What is the sun?
500

If you see the root word "photo", you know the word has to do with ____.

What is light?