Biology Chapter 1

Question 1

The scientific study of life

Answer 1

Biology

Question 2

Building block of all matter

Answer 2

Atom

Question 3

An association of two or more atoms

Answer 3

Molecule

Question 4

smallest unit of life (made of molecules)

Answer 4

Cell

Question 5

Specific cell types organized in a pattern and performing a specific function

Answer 5

Tissue

Question 6

Tissues that carry out a specific task

Answer 6

Organ

Question 7

Interacting organs and tissues that fulfill body functions

Answer 7

Organ system

Question 8

An individual, consists of one or more cells

Answer 8

Organism

Question 9

Group of individuals of a species in a given area

Answer 9

Population

Question 10

All populations of all species in a given area

Answer 10

Community

Question 11

A community interacting with its environment

Answer 11

Ecosystem

Question 12

All regions of Earth that hold life

Answer 12

Biosphere

Question 13

Process by which an organism keeps its internal conditions within tolerable ranges by sensing and responding to change

Answer 13

Homeostasis

Question 14

Capacity to do work

Answer 14

Energy

Question 15

Substance that is necessary for survival that an organism cannot make itself

Answer 15

Nutrients

Question 16

Make their own food using energy and simple raw materials from non-biological sources

Answer 16

Producers

Question 17

Obtain energy by feeding on other organisms

Answer 17

Consumers

Question 18

Transmission of DNA to offspring

Answer 18

Inheritance

Question 19

Scope of variation among living organisms

Answer 19

Biodiversity

Question 20

Sacklike structure containing cells DNA

Answer 20

Nucleus

Question 21

Single-celled organisms without a nucleus (Bacteria and Archaea)

Answer 21

Prokaryotes

Question 22

Organisms that do have a nucleus

Answer 22

Eukaryotes (Plants, Animals, Protists, Fungi)

Question 23

Multi-celled, photosynthetic producer

Answer 23

Plant

Question 24

Multi-celled consumer that ingests food or juices of other organisms

Answer 24

Animal

Question 25

Eukaryote that is not a fungus, plant or animal. Vary from single-celled consumers to Giant multi-celled producers

Answer 25

Protists

Question 26

Eukaryotic consumer that breaks down food externally

Answer 26

Fungi

Question 27

Practice of naming and classifying species based on traits, inherited characteristics

Answer 27

Taxonomy

Question 28

A group of organisms that share a unique set of traits, a rank within taxonomic level

Answer 28

Taxon (plural=Taxa)

Question 29

Systematic study of our observable world

Answer 29

Science

Question 30

Testable explanation for a natural phenomenon

Answer 30

Hypothesis

Question 31

Statement, based on hypothesis, about a condition that should exist if the hypothesis is correct

Answer 31

Prediction

Question 32

Scientific method

Answer 32

1.Observe some aspect of nature 2.Think of an explanation for your observation 3.Test hypothesis 4.Decide whether the results of the tests support your hypothesis or not 5.Report your results to the scientific community

Question 33

Test designed to support or falsify a prediction

Answer 33

Experiment

Question 34

Test results from experiment/research

Answer 34

Data

Question 35

Characteristic that differs among individuals or over time

Answer 35

Variable

Question 36

A group if individuals who have a certain characteristic or receive certain treatment

Answer 36

Experimental group

Question 37

Group not exposed to the independent variable being tested

Answer 37

Control group

Question 38

Difference between results obtained as a subset and results from the whole

Answer 38

Sampling error

Question 39

The chance a particular outcome will occur

Answer 39

Probability

Question 40

A result that is not likely to have occurred by chance

Answer 40

Statistically significant

Question 41

Phenomenon observed to occur in every circumstance without fail

Answer 41

Law of Nature

Question 42

Claims, arguments, or methods that are presented as science but do not follow scientific principles

Answer 42

Pseudoscience

Question 43

Levels of Organization

Answer 43

Organism Population Community Ecosystem biosphere

Question 44

Characteristics of all living things

Answer 44

1.Made of one or more cells 2.Require energy and nutrients 3.Perform homeostasis 4.Use DNA as hereditary material

Question 45

Difference between the cycle of Energy and Nutrients

Answer 45

Oneway flow of energy and Cycling of nutrients throughout biosphere

Question 46

Cellular activities that DNA guides

Answer 46

Growth Development Inheritance

Question 47

Individuals in a population share like DNA (Unity)

Answer 47

DNA similarity

Question 48

Individuals vary from one another because of small differences in the details of DNA molecules (Diversity)

Answer 48

DNA Differences

Question 49

How do living things differ?

Answer 49

Observable characteristics and classification schemes

Question 50

Types of Eukaryotes

Answer 50

Plants Animals Fungi Protists

Question 51

Every species is given a unique two-part name. First is Genus (group of species that share a set of unique traits), second is specific epithet (species)

Answer 51

Linnaean System

Question 52

How we decide if organisms are the same species or not

Answer 52

compare traits and DNA

Question 53

Importance of Feedback

Answer 53

Giving other scientists an opportunity to check experimental design, and conclusions

Question 54

Hypothesis that has not been disproven after many years of rigorous testing

Answer 54

Scientific theory