Biology: Chapter 1

Question 1

Biosphere

Answer 1

All living things and all the places they are found on earth

Question 2

Biodiversity

Answer 2

Variety of life

Question 3

Species

Answer 3

Particular type of living thing that can reproduce by interbreeding amongst themselves

Question 4

Biology

Answer 4

Scientific study of all forms of life, or all types of organisms

Question 5

Organism

Answer 5

Individual living thing

Question 6

Cell

Answer 6

Basic unit of life

Question 7

Metabolism

Answer 7

All of the chemical processes that build up or break down materials

Question 8

DNA

Answer 8

Molecule of genetic material passed to offspring when organisms reproduce

Question 9

System

Answer 9

Organized group of related parts that interact to form a whole

Question 10

Ecosystem

Answer 10

Physical environment with different species that interact with one another and with non living things

Question 11

Homeostasis

Answer 11

Maintenance of constant internal conditions in an organism

Question 12

Evolution

Answer 12

Change in living things over time

Question 13

Adaptation

Answer 13

Inherited trait that gives an advantage to individual organisms and is passed on to future generations

Question 14

Observation

Answer 14

Using the senses to study the world

Question 15

Data

Answer 15

Observations and measurements recorded during an experiment

Question 16

Hypothesis

Answer 16

Proposed answer for a scientific question

Question 17

Experiment

Answer 17

Process that tests a hypothesis by collecting information under controlled conditions

Question 18

Independent Variable

Answer 18

Condition in an experiment that is manipulated, or changed, by a scientist

Question 19

Dependent Variable

Answer 19

Conditions observed and measured during an experiment

Question 20

Constant

Answer 20

Conditions that do not change during an experiment

Question 21

Theory

Answer 21

Proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence

Question 22

Microscope

Answer 22

Device that provides an enlarged image of an object

Question 23

Gene

Answer 23

Segment of DNA that stores genetic information

Question 24

Molecular Genetics

Answer 24

Study of manipulation of DNA on a molecular level

Question 25

Genomics

Answer 25

Study and comparison of gnomes both within and across species

Question 26

Biotechnology

Answer 26

Use and application of living things and biological processes

Question 27

Transgenic

Answer 27

Organism that have genes from more than one species or have altered copies of their own genes