Chapter 1

Question 1

Population

Answer 1

A group of interacting individuals of one speies.

Question 2

Cells

Answer 2

All Living things consist of cells.

Question 3

Hypothesis

Answer 3

A proposed explanation for an observation.

Question 4

Individuals with traits better suited to compete in the current environment will, on average, produce more…..?

Answer 4

Offspring.

Question 5

Atom

Answer 5

Fundamental unit of matter.

Question 6

Natural selction

Answer 6

Nonrandom unequal reproductive success among individuals.

Question 7

Organ

Answer 7

consists of multiple tissues that cooperate to perform a specific task.

Question 8

Organelle

Answer 8

A component of cell that performs specific function.

Question 9

Scientific method

Answer 9

serves as a guideline for a scientist to understand an observation.

Question 10

Organism

Answer 10

An individual livin being

Question 11

Organ system

Answer 11

Group of organs that work together to perform vital body function

Question 12

Reproduction

Answer 12

All organisms reproduce their own kind.

Question 13

Genes

Answer 13

Units of hereditary information made form the molecule DNA.

Question 14

Independent variable

Answer 14

The thing being manipulated.

Question 15

Double Blind

Answer 15

When neither the researcher nor the participant knows which group is which.

Question 16

Error Bars

Answer 16

maybe be used to represent the range of values that fall within a 95% confidence interval. That means that the authors can say with 95% confidence that the true answer falls within the range depicted by the bar. If error bars overlap, no significant difference.

Question 17

Conclusion

Answer 17

Often raises further questions, will form new hypothesis.

Question 18

Controlled experiments.

Answer 18

Investigate a hypothesis by changing only one variable.

Question 19

Theory

Answer 19

Supported by a large and growing body of evidence.

Question 20

Tissue

Answer 20

An integrated group of similar ells that work together to perform a specific function

Question 21

Biology Define

Answer 21

The Scientific study of life

Question 22

Biosphere

Answer 22

consists of all life on earth

Question 23

Cell

Answer 23

The fundamental unit of life. Nothing smaller than the cell is able to have all the properties of life.

Question 24

Response to the environment

Answer 24

All organisms respond to changes in the environment.

Question 25

Placebo

Answer 25

In medical trials, some people will receive a medically ineffective treatment that allows the placebo group to serve as a control for the real drug.

Question 26

Single Blind

Answer 26

When the researcher knows but the participant doesn't know which group is which

Question 27

Evolution

Answer 27

Core theme of biology. The descent with gradual modification of ancestral species to modern day ones.

Question 28

Growth and Development

Answer 28

Information carried by genes controls the pattern of growth in in all organism.

Question 29

Structure and function

Answer 29

Correlate to each. Structure is the shape of something. Function is what it does.

Question 30

Darwin proposed that natural selection will result in....

Answer 30

Descent with modification.

Question 31

Ecosystem

Answer 31

consists of all living and non living components in an area.

Question 32

Control group

Answer 32

A group used to establish baseline for an experiment.

Question 33

Energy use

Answer 33

Every organism takes in energy, converts it to useful forms and expels energy.

Question 34

Positive control

Answer 34

A group for which change is expected.

Question 35

Order

Answer 35

Each living thing has a complex but well ordered structure.

Question 36

The dynamics of every ecosystem depend on two main processes

Answer 36

Energy flow. | Chemical recycling.

Question 37

Is a Virus alive, why?

Answer 37

No. A virus is not composed of cells. A virus cannot reproduce on its own.

Question 38

Adaptation

Answer 38

The accumulation of favorable traits.

Question 39

Every species has the potential to increase its numbers very rapidly by

Answer 39

Exponential growth.

Question 40

Molecule

Answer 40

Group of atoms bonded together

Question 41

The fundamental unit of life

Answer 41

Cell

Question 42

Dependent variable

Answer 42

the response, output, or effect under investigation.

Question 43

Community

Answer 43

Consists of all interacting populations of organisms occupying an ecosystem.

Question 44

Evolution

Answer 44

Individuals with traits that help them survive and reproduce pass the genes for those traits to offspring, driving the evolution of populations.

Question 45

Negative control

Answer 45

A group for which no change is expected.