Chapter 1

Question 1

define universal precautions

Answer 1

treating all situations as if there is infectious diseases present in body fluids

Question 2

What does HIV stand for?

Answer 2

human immunodeficiency virus

Question 3

What does homeostasis stand for?

Answer 3

homeo - same
stasis - status/situation

Question 4

What’s the human body temp?

Answer 4

98.6 F

Question 5

Using complete sentences, define biology

Answer 5

The science of life and living organisms.

Question 6

What are the Tree of life’s 3 branches?

Answer 6

Bacteria, Archaea, and Eukarya

Question 7

How are bacteria and archaea characterized?

Answer 7

lack cells and most are unicellular

Question 8

How are eukarya’s characterized?

Answer 8

nuclei, unicellular or multicellular

Question 9

define taximony

Answer 9

science of classification

Question 10

define domain

Answer 10

broadest taxonomic category

Question 11

define kingdom

Answer 11

taxonomic category below domain

Question 12

What are the three variables in a scientific experiment?

Answer 12

independent, dependent and standardized variables

Question 13

define independent variable

Answer 13

the thing that is changed

Question 14

define dependent variable

Answer 14

the response/thing that is measured

Question 15

define standardized variable

Answer 15

any variable that is intentionally constant

Question 16

define theory

Answer 16

well-supported scientific explanation

Question 17

What is life?

Answer 17

EMORE
Energy use
Maintains internal constancy
Organized
Reproduces
Evolves

Question 18

Can you define what it means when life maintains internal constancy?

Answer 18

Through self-regulating process (homeostasis) to maintain stable internal conditions [temp, ph, fluid balance]

Question 19

List the steps in the scientific method

Answer 19

OHEDAC
make Observation
form Hypothesis
design Experiment
collect Data
Analyze the
form Conclusion

Question 20

List the biological levels of organization

Answer 20

Atom
Molecules
Organelles
Cells
Tissues
Organ
Organ system
Organism
Population
Community
Ecosystem
Biosphere

Question 21

define atom

Answer 21

smallest unit of a pure substance

Question 22

define molecule

Answer 22

joined atoms

Question 23

define organelle

Answer 23

membrane bounded structures having a specific cell function

Question 24

define cell

Answer 24

smallest functional unit of an organism

Question 25

define tissue

Answer 25

collected specialized cells functioning together

Question 26

define organ

Answer 26

organized tissues to carry out functions

Question 27

define organ system

Answer 27

organs with a physical or chemical connection functioning together

Question 28

define organism

Answer 28

single living individual

Question 29

define population

Answer 29

group of the same organisms at the same place and time

Question 30

define community

Answer 30

all populations living in the same region

Question 31

define ecosystem

Answer 31

living and non-living components of an area

Question 32

define biosphere

Answer 32

global ecosystem, parts of the planet and atmosphere where life is possible

Question 33

define abiotic

Answer 33

non-living physical and chemical components in an ecosystem

Question 34

define emergent properties

Answer 34

- new functions or characteristics arising from complex interactions - a property that is not present in the parts but present in the whole Ex) human consciousness comes from the collection of neurons that aren't conscious on their own