(Lesson 1)
The process that plants use to make sugar for food.
What is photosynthesis?
An organism that gets energy by breaking down wastes and dead organisms.
What is a decomposer?
Available supplies of food, water, sunlight, and space in an environment.
What are resources?
New plants and animals that people may bring into an ecosystem are...
What are nonnative species?
The outside layer of cells on the top and bottom of a leaf.
What is the Epidermis tissue?
An organism that makes its own food for energy.
What is a producer?
The struggle of organisms for the same limited resources.
What is competition?
What is the most likely effect of bringing a nonnative species into an ecosystem?
A. It will provide resources needed by native species.
B. It will only use resources that are not needed by other species.
C. It will consume food and space that other organisms need.
C. It will consume food and space that other organisms need.
Earth's primary energy source.
What is the sun?
An organism that is eaten by another organism.
What is prey?
Which is an example of a slow change in an environment?
A. A river floods its banks.
B. A hurricane rips up trees.
C. A climate becomes drier.
C. A climate becomes drier.
An attempt to preserve or protect an environment from harmful changes.
What is conservation?
The process by which cells break down sugar to release energy.
What is cellular respiration?
An organism that cannot make its own food.
What is consumer?
All of the conditions surrounding an organism.
What is an environment?
Any substance that damages the environment.
What is pollution?
Carry food and water through the plant to all the other parts.
What are veins?
A consumer that hunts and eats another animal to get energy.
What is a predator?
TRUE/ FALSE
A forest fire help organisms in an environment by returning nutrients to the soil.
TRUE
Which is a way that people can help protect the environment?
A. Introduce new species into an ecosystem
B. Place limits on hunting and fishing
C. Dispose of paint products in landfills
B. Place limits on hunting and fishing