Chapter 3 Review- The Biosphere

What is biology?

• Relatively constant internal physical and chemical conditions that organisms maintain.

• The combination of chemical reactions through which an organism builds up or breaks down materials.

• Scientific study of life.

• Possible explanation for a set of observations or possible answers to a scientific question.

What is ecology?

• The scientific study of interactions among organisms & between organisms & their physical enviroment

• A group of individuals that belong to the same species & live in the same area

• Includes all parts of Earth which life exist

• Different populations that live together in a defined area

What is population?

• Includes all parts of Earth which life exist

• A group of ecosystems that share similar climates & organisms

• A group of individuals that belong to the same species & live in the same area

• A group of similar organisms that can breed & produce fertile offspring

What is a biome?

• A group of ecosystems that share similar climates & organisms

• Includes all parts of Earth which life exist

• A group of individuals that belong to the same species & live in the same area

What is a community?

• Different populations that live together in a defined area

• All the organisms that live together in their physical enviroment

• Includes all the parts of Earth which life exist

What is an ecosystem?

• Only trees, grass, & water

• A group of ecosystems that share similar climates & organisms

• All the organisms that live together in their physical enviroment

T or F: A biosphere includes all parts of Earth which life exist

• True

• False

T or F: A species is a type of tree

• True

• False

Answer explanation

A species is a group of similar organisms that can breed & produce fertile offspring

T or F: Abiotic factors are living things

• True

• False

Answer explanation

Abiotic factors are non-living things

T or F: Biotic factors are living things

• True

• False