chaper 1

Question 1

biology

Answer 1

the scientific study of life

Question 2

evolution

Answer 2

the process of change that has transformed life on earth

Question 3

emergent properties

Answer 3

result from the arrangement and interaction of parts within a system

Question 4

levels of biological organization

Answer 4

biosphere
ecosystem
communities
population
organisms
organs &organ systems
tissue
cells
organellas
atoms
molecules

Question 5

system biology

Answer 5

constructs models for the dynamic behavior of whole biological systems

Question 6

major processes of ecosystems

Answer 6

• cycling of nutrients

- flow of energy from sunlight to producers to consumers

Question 7

relationship of structure and function

Answer 7

closely related, a leaf is thin and flat to maximize the capture of light

Question 8

cell

Answer 8

lowest level of organization that can preform all activities required for life

Question 9

eukaryotic

Answer 9

larger, has membrane around organelles

Question 10

prokaryotic

Answer 10

simple, smaller, no organelles

Question 11

chromosomes

Answer 11

contain most of a cells genetic material in the form of DNA

Question 12

genes

Answer 12

unit of inheritance

Question 13

negative feedback

Answer 13

the more a product accumulates the more it slows: hunger

Question 14

positive feedback

Answer 14

the more a product accumulated the more it speeds: labor

Question 15

taxonomy

Answer 15

branch of biology that names and classifies species into groups

Question 16

branches of taxonomy

Answer 16

domain
kingdom
phylum
class
order
family
genus
species

Question 17

3 domains of life

Answer 17

bacteria
archaea
eukara

Question 18

darwin’s 2 main points

Answer 18

• species showed evidence of decent with modification from common ancestors
• natural selection is mechanism behind “decent with modification”

Question 19

data

Answer 19

recorded observations or items of information

Question 20

qualitative

Answer 20

descriptions rather than measurements

Question 21

quantitative

Answer 21

recorded measurements, sometimes tables and graphs

Question 22

theory vs hypothesis

Answer 22

theory- supported by a large body of evidence

hypothesis- a tentative answer to a well framed question, leads to predictions that can be tested