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Biology

Science of life

1

Cell

A membrane-bound structure that is the basic unit of life

2

Molecule

A chemical structure composed of one or more atoms

3

Organelle

One of the several formed bodies with a specialized function that is suspended in the cytoplasm and found in eukaryotic cells

4

Homeostasis

The stable internal conditions of a living thing

5

Gene

Segment of DNA that contains coding for a polypeptide or protein; a unit of heredity information

6

Natural selection

The process by which organisms with favorable variations reproduce at higher rates than ode without such variations

7

Species

Group of organisms of a single type that are capable of producing fertile offspring in the natural environment

8

Ecology

Study of the relationship between organisms and their environment

9

Hypothesis

Statement that can be tested experimentally

10

Observation

Action that typically employs one or more of the five senses to perceive objects or events

11

Theory

Broad and comprehensive statement of what is thought to be true

12

Inference

Conclusion made on the basis of facts or premises rather than on direct observation

13

If you see smoke, you will probably infer that it's source is a fire, even if you can't see the fire is an example of a

Inference

14

Experiment

Hypothesis is often tested by carrying out an experiment

15

Experimenting

Process of testing a hypothesis or prediction by gathering data under controlled conditions

16

What is a controlled experiment based on

A comparison of a control group with an experimental group

17

Control group and experimental group are designed to be

Identical except for one factor

18

The factor that is different between a control group and an experimental group is called

The independent variable

19

The factor in both the control group and experimental group is called

The dependent variable

20

Analyzing data

Process of determining whether data are reliable and whether hey support or do not support a hypothesis or prediction

21

7 characteristics of life

Composed of cells
Organized
Use energy
Grow
Reproduce
Adapt to their environment

22

Name the order of an organism

Cell
Tissue
Organ
Organ system
Organism

23

Definition of characteristics of life

Characteristics that organisms need to survive

24

What is the scientific method

Series of steps that followed to answer questions and/or solve problems

25

What are the steps of the scientific method

Observation
Hypothesizing
Experimenting
Analyzing Data

26

What do controlled experiments allow

A comparison of a control and experimental group

27

What's the independent variable

Factor that's being tested or manipulated

28

What is the dependent variable called

Responding variable

29

Observation

Pathetic use of one or more senses to perceive objects or events