Terms Class, Unit 1-1 Review Science 2200 Terms Class, Unit 1-1 Review

Terms Paradigm shift: very rare occurrences where there is a large change in the way people view the world. Sustainability: A system that survives, functions, and is renewed over time A system in which the organisms continue to live and flourish for many generations.

1. Do trees only have value when they are harvested?

2. What is one way humans have changed their way of thinking (a paradigm shifft) to become more sustainable?

Terms Abiotic factors: The non-living parts of the environment Biotic factors: The living parts of the environment

3. Give 4 abiotic and 4 biotic factors of a pond ecosystem Abiotic factors Biotic Factors

Terms Ecology: the study of interactions among organisms and their environment. Ecosystem: The types of organisms and the conditions found there. The biotic and abiotic factors in an area. Habitat: An organism’s address; where it lives

4. Describe an arctic ecosystem:

Terms Closed system: system in which only energy can pass across its borders

5. How is earth a closed system?

Terms Niche: Group of roles an organism plays in its ecosystem Where does it live? What Does it Eat? What Eats it? How does it change its ecosystem?

6. What is a earth worms niche?

Terms Population: A group of organisms of the same species living together in one ecosystem Community: A group made up of all the interacting populations that live in an area Biodiversity: The variety of different types of life found in an area.

7. What is the difference between a population and a community?

8. Why is biodiversity important?

Ecological interactions: 3 Ways Interactions can occur: Biotic -abiotic Abiotic -abiotic Biotic -biotic

Interaction?

Interaction?

Interaction?

9. A fish is swimming in a lake of fresh water 9. A fish is swimming in a lake of fresh water. What type of interaction does this show?