Ch 1 - Intro to Bio

Question 1

The main study of life is

Answer 1

Biology

Question 2

Principles 1 - 6

Answer 2

Basic features of life

Question 3

Principle 1 (Organism consists of cells)

Answer 3

Simplest unit of life

Question 4

Principle 2-3-4 (how organism stays alive)

Answer 4

Energy - interact - homeostasis

Question 5

Principle 5-6 ( genetic info/evolution )

Answer 5

DNA - evolve

Question 6

Principle 1

Answer 6

Cells are the simplest units of life

Question 7

Principle 2

Answer 7

Living organisms use energy

Question 8

Principle 3

Answer 8

Living organisms interact with the environment

Question 9

Principle 4

Answer 9

Living organisms maintain homeostasis

Question 10

Principle 5

Answer 10

The genetic material (DNA) provides a blueprint that allows organisms to grow, develop, and reproduce

Question 11

Principle 6

Answer 11

Populations and organisms evolve from one generation to the next and are related by an evolutionary history

Question 12

Organismal organization - Microscopic

Answer 12

Atoms -> Molecules -> Cells

Question 13

Organismal organization - Anatomical

Answer 13

Tissues -> Organs -> Organ Systems

Question 14

Organismal organization - Species

Answer 14

Organism -> Population -> Community

Question 15

Organismal organization - Environment

Answer 15

Ecosystem -> Biosphere

Question 16

___and ___are terms often used to describe life

Answer 16

Unity and Diversity

Question 17

___ refers to the common characteristics displayed by all forms of life

Answer 17

Unity

Question 18

___refers to the many differences in unicellular and multicellular life

Answer 18

Diversity

Question 19

Underlying factor that explains the unity and diversity of modern species is __

Answer 19

Evolution

Question 20

Evolution is __

Answer 20

The changing of genetic composition of a population over time

Question 21

Evolutionary history helps us understand

Answer 21

The structure and function of an organism

Question 22

The 6 principles of basic life is seen with all organisms. This is referred to as____________

Answer 22

Unity

Question 23

The ability for a organism to be unicellular or multicellular is referred to as ____________

Answer 23

Diversity

Question 24

What are the 2 mechanisms of evolution?

Answer 24

Horizontal Gene Transfer and Vertical Descent Mutation

Question 25

Vertical Descent Mutation

Answer 25

The transfer of genetic information from parents to offspring

Question 26

New species evolve from pre-existing species by the accumulation of

Answer 26

mutations

Question 27

What drives an increased frequency of beneficial mutations in a population over time? (Ensures the effective/beneficial mutations stay)

Answer 27

Natural selection

Question 28

The distinct process of exchanging genetic information that is relatively rare (Incorporates genetic information WITHOUT OFFSPRING)

Answer 28

Horizontal gene transfer

Question 29

Vertical Decent Mutation characteristics include:

Answer 29

-Can give rise to new species -Parent to offspring -Genetic Mutation

Question 30

Horizontal Gene Transfer characteristics include:

Answer 30

-NO parent to offspring -DNA transfer -Can occur between different species

Question 31

What is adaptation and what causes it?

Answer 31

Natural Selection

Question 32

Adaptation affects what 2 factors of the species?

Answer 32

Survival and Reproduction

Question 33

What is the difference between a natural selection and human driven/artificial?

Answer 33

Humans caused the mutations; is artificial

Question 34

___ is the grouping of species based on common ancestry

Answer 34

Taxonomy

Question 35

What are the 3 Domains of life? (BAE Domain <3)

Answer 35

-Bacteria -Archaea -Eukarya

Question 36

___ is the observation, identification, experimental investigation, and theoretical explanation of natural phenomena

Answer 36

Science

Question 37

What are the 2 general approaches when conducting an experiment?

Answer 37

Discovery and Hypothesis

Question 38

A hypothesis a ____________ explanation for a natural phenomenon

Answer 38

Proposed

Question 39

Many scientists utilize___ in their research and use a ___to test hypotheses

Answer 39

model organisms; scientific method

Question 40

Ecologists

Answer 40

Study species in their native environments

Question 41

Cell Biologists

Answer 41

Use microscopes to learn how cells function

Question 42

Molecular Biologists / Biochemists

Answer 42

Study the molecules and macromolecules that make up a cell

Question 43

Anatomists and Physiologists

Answer 43

Study the structures of an organism related to their function

Question 44

System Biologists

Answer 44

Study groups of molecules

Question 45

A hypothesis must be

Answer 45

Testable and Falsifiable

Question 46

A hypothesis can never be proven T/F?

Answer 46

True

Question 47

A ___ is a broad explanation of some aspect of the natural world that has A LOT of evidence

Answer 47

Theory

Question 48

An ___ is a characteristic in a species that is the result of natural selection; adaptations affect survival and reproduction

Answer 48

adaptation

Question 49

____ involves the collection and analysis of data without having a preconceived hypothesis

Answer 49

Discovery-based science

Question 50

___ is designed to be an objective way to gather knowledge

Answer 50

Hypothesis testing