Chapter 1 Lab Bio Test

Question 1

Biology

Answer 1

the study of life

Question 2

organism

Answer 2

any living thing

Question 3

sexual reproduction

Answer 3

two partners passing down genes to their offspring

Question 4

asexual reproduction

Answer 4

a single-celled organism grows so big it then splits.
Ex: binary fission

Question 5

cell

Answer 5

basic unit of life

Question 6

differentiation

Answer 6

How we become different as we develop.

Question 7

natural selection

Answer 7

the process where organisms with favorable traits are more likely to survive and reproduce.

Question 8

autotroph

Answer 8

organisms that can make energy from the sun.

Question 9

photosynthesis

Answer 9

plants use the sun’s energy to make food

Question 10

Theory

Answer 10

Supported with evidence, but not experiments.

Question 11

Law

Answer 11

Something that is supported with experiments.

Question 12

Domain

Answer 12

Broad categories (3 of them

Question 13

homeostasis

Answer 13

a state of balance
Ex: sweating, shivering

Question 14

DNA

Answer 14

all living things contain DNA within their cells.

Question 15

unicellular

Answer 15

consists of only one cell

Question 16

gene

Answer 16

a segment of DNA that gets passed down generations

Question 17

multicellular

Answer 17

consists of more than one cell

Question 18

adaptation

Answer 18

the process of changing

Question 19

heterotroph

Answer 19

an organism that cannot make its own food

Question 20

cellular respiration

Answer 20

the process in which cells convert fuel into energy and nutrients.

Question 21

inference

Answer 21

a story that can be changed with evidence

Question 22

kingdom

Answer 22

a step down from the domains. a type of organization

Question 23

independent variable

Answer 23

• plotted on the x-axis
• what is changed
  -“if…”
  -affects the dependent variable

Question 24

dependent variable

Answer 24

-what is measured
-plotted on the y-axis
-what is the response to the independent variable
-“then…”

Question 25

constants

Answer 25

everything that stays the same between the two groups.

Question 26

control group

Answer 26

-comparison group
-does not get the independent variable

Question 27

evolution

Answer 27

a theory that explains how species have developed and changed over generations

Question 28

ecosystem

Answer 28

a biological community of interacting organisms and their physical environment.

Question 29

metabolism

Answer 29

how a living organism captures energy and uses it for processes.

Question 30

consumer

Answer 30

Consumers are unable to make their own energy, and instead rely on the consumption and digestion of producers or other consumers, or both, to survive.

Question 31

producer

Answer 31

produces its own food (autotroph)

Question 32

hypothesis vs prediction
(hypothesis)

Answer 32

an educated guess based on existing knowledge and observations.
“I think that because….”

Question 33

hypothesis vs. prediction (prediction)

Answer 33

a statement about what will happen in the future based on observations or a hypothesis.
“if…”
“then…”

Question 34

hierarchy

Answer 34

organization

Question 35

We can group life into ___ domains and ___ kingdoms.

Answer 35

3
6

Question 36

What are the 3 domains of life?

Answer 36

1. domain bacteria
2. domain archaea
3. domain eukarya

Question 37

what are the 6 kingdoms of life?

Answer 37

1. kingdom eubacteria
2. kingdom archaebacteria
3. protists
4. plants
5. fungi
6. animals

Question 38

kingdom eubacteria is part of domain ____.

Answer 38

bacteria

Question 39

kingdom archaebacteria is part of domain ____.

Answer 39

archaea.

Question 40

What are the characteristics of living organisms?

Answer 40

1. made of one or more cells
2. order/organization
   molecules –> cells –> biosphere

3.regulation/ homeostasis

4. growth and development
   (changes through lifespan)
5. metabolism
   (use of energy from the environment)
6. respond to environmental stimuli
7. ability to reproduce
8. show evolutionary change