Chapter 1 - Terminology Flashcards Preview

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Flashcards in Chapter 1 - Terminology Deck (16)
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1

Biosphere

Regions of the Earths Crust, waters, and atmosphere inhabited by living organisms.

2

Ecosystem

A community plus the physical environment

3

Community

Interacting populations in a particular area

4

Population

Organisms of the same species in a particular area

5

Species

A group of similar; interbreeding organisms

6

Organism

An individual; complex individuals containing organ sysems.

7

Organ System

Composed of several organs working together

8

Organ

Composed of tissues functioning together for a specific task.

9

Tissue

A group of cells with a common structure and function

10

Cell

The structural and functional unit of all living organisms.

11

Molecule

Union of two or more atoms of the same or different elements.

12

Atom

Smallest unit of an element; composed of electrons, protons and neutrons.

13

Food

The capacity to complete work, food provides energy to humans and animals and helps maintain the organization of the cell and organism itself.

14

Metabolism

The chemical reactions that occur within a cell.

15

Photosynthesis

Produces organic molecules, such as sugars, that serve as the basis of the food chain for many other organism, including humans and other animals.

16

Homeostasis

A constant internal environment.