Chapter 1

Question 1

What is biology?

Answer 1

Scientific study of life

Question 2

Living organism characteristics

Answer 2

Organized
Require materials and energy
Maintain homeostasis
Respond to stimuli
Reproduce and develop
Have adaptations

Question 3

Levels of biological organization range from

Answer 3

Atoms, molecules, cells, tissues, organs, organ system, organism, species, population, community, ecosystem and biosphere

Question 4

Biosphere?

Answer 4

Zone of air, land, and water where organisms exist

Question 5

Ecosystem is?

Answer 5

Community plus its physical environment

Question 6

Community is?

Answer 6

Collection of interacting populations within same environment

Question 7

Homeostasis is?

Answer 7

The ability to maintain a stable internal environment

Question 8

Development is?

Answer 8

Series of steps that an organism goes through to become an adult

Question 9

Adaptation?

Answer 9

Any modification that makes an organism better able to function in a particular environment

Question 10

Evolution is?

Answer 10

Change in a population of organisms over time to become more suited to the environment

Question 11

Natural selection?

Answer 11

Describes the process by which living organisms are descended from a common ancestor

Question 12

Population is?

Answer 12

All the members of a species within an area

Question 13

Species is?

Answer 13

Group of similar interbreeding organisms

Question 14

When is an organism formed?

Answer 14

When organ systems are joined together

Question 15

Organs work together to form?

Answer 15

Organ systems

Question 16

Similar cells combine together to form?

Answer 16

Tissues

Question 17

Molecules join to form larger molecules within a?

Answer 17

Cell

Question 18

The organization of life begins with?

Answer 18

Atoms

Question 19

Life requires?

Answer 19

Materials and energy

Question 20

Energy is?

Answer 20

The capacity to do work

Question 21

Metabolism is?

Answer 21

All chemical reactions that occur in a cell

Question 22

Photosynthesis is?

Answer 22

Process that converts solar energy into the chemical energy of carbs

Question 23

Theory of evolution suggest?

Answer 23

How all living things descended from a common ancestor

Question 24

Natural selection is the evolutionary mechanism proposed by?

Answer 24

Charles Darwin

Question 25

Taxonomy is?

Answer 25

Identifies, names, and classifies organisms according to certain rules

Question 26

Systematics is?

Answer 26

Study of evolutionary relationships between organisms

Question 27

Classification categories from least to most inclusive?

Answer 27

Species, genus, family, order, class, phylum, kingdom, and domain

Question 28

To specify an organism you must use full binomial name such as?

Answer 28

Homo sapiens

Question 29

Domain Archaea characteristics

Answer 29

Contain unicellular prokaryotes Live in extreme environment Various shapes

Question 30

Prokaryotes lack?

Answer 30

Membrane bound nucleus

Question 31

Domain bacteria characteristics

Answer 31

Contain unicellular prokaryotes Live in all environments including our skin, intestines or mouths Various shapes Absorb or photosynthesis food

Question 32

Domain Eukarya characteristics

Answer 32

Contain unicellular and multicellular eukaryotes

Question 33

Eukaryotes contain a?

Answer 33

Membrane bound nucleus

Question 34

Domain Eukarya kingdoms?

Answer 34

Kingdom animalia Kingdom plantae Kingdom Fungi Protist (composed of several kingdoms)

Question 35

Scientific method is?

Answer 35

Standard series of steps used to gain new knowledge through research

Question 36

Scientific method 5 steps in order?

Answer 36

Observation, hypothesis, predictions and experiments, data collection and conclusion

Question 37

Hypothesis is?

Answer 37

explanation for what was observed

Question 38

Experiment is?

Answer 38

Series of procedures designed to test hypothesis

Question 39

The manner in which scientists conduct an experiment is called?

Answer 39

Experimental design

Question 40

Independent variable in an experiment is?

Answer 40

Considered the cause of a experiment

Question 41

Dependent variable in an experiment is?

Answer 41

Considered the effect of the experiment

Question 42

Test group is?

Answer 42

Exposed to the experimental variable

Question 43

The control group is?

Answer 43

Not exposed to the experimental variable

Question 44

Data is?

Answer 44

The results of an experiment

Question 45

Scientific theory?

Answer 45

Concepts that join together two or more well supported and related hypothesis

Question 46

Scientific law/principle?

Answer 46

Widely accepted set of theories

Question 47

Extinction is?

Answer 47

Death of the last member of a species