Ecosystem
Flow of Energy in Ecosystems
Recent and Future Population Growth
Symbiosis
Biodiversity
100
What is an ecosystem?
An ecosystem is made up of all of the living and nonliving things in an area.
100
What is a Carnivore?
Animals that eat other animals for food.
100
What is a Census?
A count of the people living in an area.
100
What is Symbiosis?
A close relationship between two living things.
100
What is Biodiversity?
The variety of living things in an area.
200
What is a habitat?
The natural place where an organism lives and obtains the resources it needs to survive.
200
What is a Herbivore?
Animals that eat only plants.
200
What is Population Growth?
An increase in the number of people or organisms in an area.
200
What is Mutualism?
Both organisms benefit from their relationship.
200
What is a trait?
Give an example
Characteristics or features of a living thing.
300
What is a Biotic Factor?
A living part of an environment, such as plants, animals, fungi, and bacteria.
300
What is a Consumer?
A living thing that eats plants or animals for energy.
300
What is birth rate?
The number of babies born in a population during a certain time.
300
What is Parasitism?
One organism benefits, and the other is harmed.
300
What is a nonnative species?
A plant or animal that lives in an area where it did not originally come from.
400
What is a Abiotic Factor?
A nonliving part of an environment, such as sunlight, water, air, temperature, or soil.
400
What is MATTER?
Anything that takes up space and has weight.
400
What does nonrenewable mean?
A resource that cannot be replaced quickly once it is used up.
400
What is Commensalism?
One organism benefits, and the other is not affected.
400
What is Extinction?
Give an example
When a species no longer exists because all its members have died.
500
What is the definition of the word THRIVE?
To grow, develop, and survive successfully in a particular environment.
500
What is a food chain?
A path that shows who eats whom in an ecosystem.
500
What is carrying capacity?
This is the maximum number of living things that an environment can support without running out of resources.
500
What is an Apex Predator?
Give an example
An animal at the top of the food chain that has no natural predators.
- Lion
- Great white shark
- Orca (killer whale)
- Polar bear
500
What is Sixth Mass Extinction?
A period when many species are disappearing from Earth, mostly because of human activities.