Chapter 1

Question 1

What are the six things all items need to be considered living?

Answer 1

*organized
*acquire materials and energy
*are homeostatic
*respond to stimuli
*reproduce and have the potential for growth
*have an evolutionary history

Question 2

Atoms join together to form what

Answer 2

Molecules

Question 3

What is a cell?

Answer 3

smallest structural and functional unit of an organism

Question 4

What is tissue?

Answer 4

group of similar cells that perform a particular function

Question 5

List the levels of Biological Organization in order
Species, Population, Atom, Cell, Tissue, Biosphere, Organ, Community, Organ systems, Ecosystem, Organism

Answer 5

Atom, Molecule, Cell, Tissue, Organ, Organ systems, Organism, Species, Population, Community, Ecosystem, Biosphere

Question 6

Ecosystem

Answer 6

Community of populations interacting with physical environment

Question 7

Biosphere

Answer 7

All of the earths ecosystems

Question 8

Energy

Answer 8

the capacity to do work

Question 9

Metabolism

Answer 9

the sum of all the chemical reactions that occur within a cell or organism

Question 10

what is the ultimate source of the energy for life on Earth is what?

Answer 10

the Sun

Question 11

How do plants, algae and some bacteria acquire energy?

Answer 11

Photosynthesis

Question 12

Homeostasis

Answer 12

a constant internal environment

Question 13

Homeostasis would be impossible without what

Answer 13

responding to stimuli, internal and external

Question 14

Growth

Answer 14

increase of size and number of cells

Question 15

Development

Answer 15

all changes that occur from fertilization until death

Question 16

what is the genetic information of all life

Answer 16

DNA

Question 17

genes

Answer 17

short segments that specify traits

Question 18

mutations

Answer 18

variations in genes

Question 19

evolution

Answer 19

how a population changes over time

Question 20

natural selection

Answer 20

the process by which evolution occurs

Question 21

adaptation

Answer 21

overtime population has more individuals with this advantageous variation

Question 22

What are the three domains of life

Answer 22

Bacteria, Archaea, Eukarya

Question 23

what are the four kingdoms of Eukarya

Answer 23

Plants, Fungi, Animals, Protists

Question 24

Invertebrates

Answer 24

lack of internal support structure
*worms, insects

Question 25

Vertebrates

Answer 25

have a nerve cord protected by a vertebral column *fish, reptiles, birds

Question 26

mammals

Answer 26

vertebrates with hair or fur and MAMMARY GLANDS *Humans, raccoons, seals

Question 27

culture

Answer 27

activities and items passed down from one generation to the next *beliefs, values, skills

Question 28

Hypothesis

Answer 28

possible explanation for the observation of the natural event

Question 29

Inductive reasoning

Answer 29

when someone uses creative thinking to combine facts into a cohesive whole

Question 30

Deductive reasoning

Answer 30

"if, then" to test hypothesis

Question 31

what is an example of a model organism

Answer 31

mice

Question 32

what is Statistical significance

Answer 32

the probability that the results are due to chance or some other experimental variable

Question 33

Scientific Theory

Answer 33

accepted explanations for how the world works

Question 34

what is it called when an idea is widely accepted by the majority of scientists?

Answer 34

Law or Principle *ex: Evolution

Question 35

what is the name of the group that does not receive the medication/variable

Answer 35

Control group

Question 36

Double Blind Study

Answer 36

neither the doctors or the patients know who are in what groups

Question 37

what sources are the most reliable when looking for scientific information?

Answer 37

.edu .gov .org

Question 38

what is the difference between science and technology?

Answer 38

science- gathering knowledge of our world and technology is applying that knowledge to our benefit

Question 39

What is the definition of Science

Answer 39

a systematic way of acquiring knowledge about the natural world

Question 40

Technology

Answer 40

the application of the scientific knowledge to the interests of humans

Question 41

What is Biodiversity

Answer 41

the total number and relative abundance of species, the variability of their genes, and the different ecosystems in which they live

Question 42

Extinction

Answer 42

the death of a species