Ch. 1

Question 1

Smallest unit of a substance; consists of subatomic particles

Answer 1

Atom

Question 2

All regions of earth where organisms live

Answer 2

biosphere

Question 3

smallest unit of life

Answer 3

cell

Question 4

all populations of all species in a defined area

Answer 4

community

Question 5

A community interacting with its environment

Answer 5

ecosystem

Question 6

a characteristic of a system that does not appear in any of the system’s component parts

Answer 6

emergent property

Question 7

two or more atoms bonded together

Answer 7

molecule

Question 8

multicelled organisms, a structure that consists of tissues engaged in a collective task

Answer 8

organ

Question 9

an individual that consists of one or more cells

Answer 9

organism

Question 10

set of interacting organs that carry out a particular body function in multicelled organism

Answer 10

organ system

Question 11

group of interbreeding individuals of the same species living in a defined area

Answer 11

population

Question 12

unique type of organism

Answer 12

species

Question 13

specialized cells organized in a pattern that allows them to perform a collective function

Answer 13

tissue

Question 14

molecule that carries herediatry information; guides development and other activities

Answer 14

DNA

Question 15

process in which organisms keep their internal conditions within tolerable ranges by sensing and responding appropriately to change

Answer 15

homeostasis

Question 16

transmission of dna to offspring

Answer 16

inheritance

Question 17

process by which producers use light energy to make sugars from carbon dioxide and water

Answer 17

photosynthesis

Question 18

organism that makes its own food using energy from the enviroment

Answer 18

producer

Question 19

organism that gets energy and nutrients by feeding on tissues, wastes, and remains of other organisms

Answer 19

consumer

Question 20

processes by which organisms produce offspring

Answer 20

reproduction

Question 21

evaluating information before accepting it

Answer 21

critical thinking

Question 22

experimental results

Answer 22

data

Question 23

using a general idea to make a conclusion about a specific case

Answer 23

deductive reasoning

Question 24

testable explanation of a natural phenomenon

Answer 24

hypothesis

Question 25

drawing a conclusion based on an observation

Answer 25

inductive reasoning

Question 26

analogous system used for testing hypotheses

Answer 26

model

Question 27

making, testing, and evaluating hypotheses

Answer 27

scientific method

Question 28

the chance that a particular outcome of an event will occur; depends on the total number of outcomes possible

Answer 28

probability

Question 29

difference between results derived from testing an entire group of events or individuals, and results derived from testing a subset of the group

Answer 29

sampling error

Question 30

A claim, argument, or method that is presented as if it were scientific, but is not

Answer 30

pseudoscience

Question 31

4 things all living things have

Answer 31

cells, ongoing inputs of energy, sense and respond to change, DNA

Question 32

4 functions of DNA

Answer 32

development, growth, reproduction, inheritance

Question 33

organisms without nucleous

Answer 33

prokaryotes

Question 34

Prokaryotes

Answer 34

bacteria and archaea

Question 35

complicated, multicelled organisms

Answer 35

eukaroyotes

Question 36

eukaroyotes

Answer 36

protists, fungi, plants, animals

Question 37

naming and classifying new species

Answer 37

taxonomy

Question 38

a group of organisms that share a unique set of inherited traits

Answer 38

taxon

Question 39

first part of scientific name

Answer 39

genus