Ch 1: Exploring Life

Question 1

Biology

Answer 1

study of life

Question 2

Properties of Life

Answer 2

1. order
2. evolutionary adaptation
3. response to environment
4. regulation
5. energy processing
6. growth & development
7. reproduction

Question 3

Hierarchy of bio organization

Answer 3

atom => moleucule => organelle => cell => tissue => organ => organ system => organism => population => community => ecosystem => biosphere

Question 4

atom

Answer 4

smallest unit of matter

Question 5

molecule

Answer 5

chemical structure

Question 6

organelle

Answer 6

membrane enclosed component

Question 7

cell

Answer 7

fundamental unit

Question 8

tissue

Answer 8

group of similar cells

Question 9

organ

Answer 9

group of similar tissues

Question 10

organ system

Answer 10

group of organs working together

Question 11

organism

Answer 11

individual

Question 12

population

Answer 12

same species

Question 13

community

Answer 13

all organisms (biotic)

Question 14

ecosystem

Answer 14

biotic & abiotic

Question 15

biosphere

Answer 15

all environments

Question 16

Emergent properties

Answer 16

result of arrangements/interactions within systems
- new property that is seen at the next level

Question 17

2 major processes of Ecosystem Dynamics

Answer 17

1. Cycling of Nutrients
2. Flow of Nutrients

Question 18

Cycling of Nutrients

Answer 18

materials acquired by plants eventually return to the soil

Question 19

Flow of Energy

Answer 19

from sunlight => producers => consumers

Question 20

Reductionism

Answer 20

take apart everything & see how everything works (simple to complex)

Question 21

Potential Energy in Life

Answer 21

light

Question 22

How efficient is thermodynamics

Answer 22

90% lost as heat

Question 23

How does energy flow through an ecosystem

Answer 23

coming in as light & going out in heat

Question 24

What is the one-way flow of energy

Answer 24

comes in from sun =>. captured by producers => used by consumers => left over is used by decomposers

Question 25

What property of cells allow for the reproduction, growth, & repair of a multicellular organism?

Answer 25

division

Question 26

What are the 2 main forms of cells

Answer 26

eukaryotic & prokaryotic

Question 27

Eukaryotic

Answer 27

have organelles & DNA in nucleus

Question 28

Prokaryotic

Answer 28

no organelles & DNA not separated in nucleus

Question 29

Feedback Regulation

Answer 29

the product regulates the process itself

Question 30

Positive Feedback

Answer 30

product speeds up its own production
(accelerator: speeds up production)

Question 31

Negative Feedback

Answer 31

accumulation of product slows down process itself
(brakes: stops production)

Question 32

Which is less common? Negative or Positive Feedback

Answer 32

Positive Feedback

Question 33

Taxonomy

Answer 33

naming & classifies species in hierarchical order

Question 34

Linnaeus binomial nomenclature

Answer 34

6 Kingdoms & 3 Domains

Question 35

3 Domains of Life

Answer 35

bacteria
archea
eukarya

Question 36

Decent with modification

Answer 36

species arose from succession of ancestors

Question 37

Natural Selection

Answer 37

mechanisms for decent with modification

Question 38

Dawrin’s 2 connecting observations

Answer 38

Individual variation in heritable traits

overpopulation & competition

Question 39

Darwin’s Inferences

Answer 39

• unequal reproduction success
• evolutionary adaptation

Question 40

Vertical evolution

Answer 40

parent to child

Question 41

Horizontal Evolution

Answer 41

change within a community

Question 42

Inductive Reasoning

Answer 42

specific => general

Question 43

Deductive reasoning

Answer 43

general => specific (science based)