A _______ is an organism that gets its energy by breaking down wastes and dead organisms.
A decomposer
200
The process that plants use to make sugar for food is called ______________.
Photosynthesis
200
How can pollution negatively impact humans?
Buildups of harmful chemicals can cause sickness and bad living conditions.
200
Name three types of decomposers.
Worms, bacteria, mushrooms/fungi, mold, yeast
300
What is the difference between a population and a community?
A population is a group of organisms of one species that live together at the same time. A community is all the different populations that live in the same area.
300
Animals that feed on dead animals are called ________.
Scavengers
300
The process by which cells break down sugar to release energy is called ________________.
Cellular respiration
300
What is conservation and why is it important?
An attempt to preserve or protect and environment from harmful changes. It's important because it reduces harmful pollution.
300
True or false: during photosynthesis, plants give off carbon dioxide.
False - they give off oxygen.
400
Name two biotic and two abiotic factors.
Answers vary - biotic are alive, abotic are not/never were alive.
400
An organism that lives on or inside another organism is called a ____________.
Parasite
400
Why are leaves an important part of every plant?
They gather the sun's rays for energy to produce food for the plant.
400
What is the consequence of bringing a nonnative species from one ecosystem to another?
That species may become invasive and harm the ecosystem because it does not have its natural niche around it.
400
Tell me one food chain that has three organisms in it. Describe the producers/consumers, and who eats who.
Answers vary
500
What is a niche?
The role than an organism has in an ecosystem... its "job".
500
What is symbiosis?
A long-term relationship between two different organisms.
500
The green substance that traps energy from the sun is called ___________.
Chlorophyll
500
What is regulation?
A law that is put in place to limit the amount of impact humans can have on an ecosystem.
500
There are two types of trees we learned about in class. Name the types, and explain how they are different (hint: winter)
Deciduous plants lose their leaves in the winter. Evergreens keep their leaves all year long.