Chapter 1- Intro To Bio

Question 1

What is biology?

Answer 1

Biology is the study of life and living organisms

Question 2

Characteristics of living organisms

Answer 2

• order and organization
• reproduction, growth and development
• acquire and use energy
• regulation (homeostasis)
• respond to external stimuli
• have the capacity to adapt and evolve

Question 3

Order and organization

Answer 3

Organisms
l
Organ systems
l
Organs
l
Tissues
l
Cells

Question 4

Taxonomy

Answer 4

Science or naming and classifying organisms

Question 5

Organisms are classified into categories (groups)

Answer 5

Domaine
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 6

Three domaines of life

Answer 6

Archaea, bacteria, eukarya

Question 7

Domaine archaea

Answer 7

Unicellular, live in extreme environments

Question 8

Domaine bacteria

Answer 8

Unicellular, found almost everywhere, some cause disease but most are beneficial

Question 9

Domaine eukarya

Answer 9

Organized into 4 groups:

• fungi
• plantae
• animalia
• protists

Question 10

Fungi

Answer 10

Most are multicellular heterotrophs (by external ingestion)

Question 11

Plantae

Answer 11

Multicellular, autotrophs

Question 12

Animalia

Answer 12

Multicellular, heterotrophs (by ingestion)

Question 13

Binomial nomenclature

Answer 13

Formal system of naming species

Genus+species

Question 14

Scientific method

Answer 14

A series of steps used to logically test and explain the natural world

Question 15

Observation

Answer 15

New observations are made, previous data are studied

Question 16

Hypothesis

Answer 16

When we try to explain a natural phenomenon
I put from various sources is used to formulate a testable statement
“If…then”

Question 17

Experiment

Answer 17

Used to test hypotheses

• sample size and variables are important
• independent-conditions you manipulate
• dependent- measured results of the independent
• standardized- variables are held constant
• untreated group is the control

Question 18

Experiment results

Answer 18

Should be objective (measurable)

Displayed as a graph or table

Question 19

Conclusion

Answer 19

Analyze the data to determine if hypothesis can be supported. If not, process starts over

Question 20

Scientific theories

Answer 20

Concepts that join together well-supported and related hypothesis

Broad and supported by a large body of evidence