Intro to Bio/Scientific Method

Question 1

What is Biology?

Answer 1

It is the study of life and living organisms

Question 2

What are some characteristics
of life?

Answer 2

• It must be made of cells
• It must reproduce
• It must grow and develop
• It must have a regulate
• It must have homeostasis
• It must respond to stimuli (react)
• It must evolve/adapt

Question 3

There are 12 different levels of organization:

Answer 3

1. Atom
2. Molecule
3. Organelles
4. Cell
5. Tissues
6. Organs
7. Organ Systems
8. Organism
9. Population
10. Community
11. Ecosystem
12. Biosphere

Question 4

What is an atom?

Answer 4

Smallest most fundemental unit of matter

Question 5

Molecule

Answer 5

Chem struc. of two or more atoms held together by a chemical bond

Question 6

What is an organelle

Answer 6

A collection of specialized structures within a cell

Question 7

What is a cell?

Answer 7

Smallest structure, functional unit of an org.

Question 8

What is a tissue?

Answer 8

Groups of similar cells that carry the same func.

Question 9

What is an organ?

Answer 9

It is a collection of tissue BASED on common func.

Question 10

What is an organ system?

Answer 10

Group that works together to preform a specialized func.

Question 11

What is an organism?

Answer 11

LIVING thing

Question 12

What is a population?

Answer 12

Group of SAME species living in the same area

Question 13

What is a community?

Answer 13

Group of DIFFERENT species living in the same area

Question 14

What is an ecosystem?

Answer 14

Communtiy of living organisms

Question 15

What is a biosphere?

Answer 15

ALL ecosystems on earth

Question 16

What are the different taxonomic systems? MOST to LEAST inclusive

Answer 16

1. DOMAIN
2. KINGDOM
3. PHYLUM
4. CLASS
5. ORDER
6. FAMILY
7. GENUS
8. SPECIES

Question 17

What are the 3 domains of life?

Answer 17

1. Eukaryotic
2. Archea
3. Bacteria

Question 18

Branches of Bio:

Answer 18

Molecular: mole bases of bio
Micro: studies microorgs.
Neuro: studies nervous system
Palen: uses fossils to study life’s history
Zoo: study of animals
Biotech: engineering bio to create products
Ecology: studies relationships between orgs and enviro.
Physiology: studies func and mechanisms in living systems

Question 19

What is the scientific method?

Answer 19

A process for experimentation that is used to explore observations and answer questions

Question 20

Types of reasoning:

Answer 20

Inductive: uses OBSERVATIONS to reach general conditions
Deductive: uses GENERAL PRINCIPLES to predict specific results

Question 21

Steps:

Answer 21

1. Make observation
2. Form hypothesis
3. Conduct experiments
4. Analyze results
5. Report conclusions
6. Form new hypothesis

Question 22

Key Components:

Answer 22

Variables: Factors that can change
Controls: Factors that REMAIN constant
Peer Review: Validates research
Basic science: Expands knowlodge
Applied Science: Solves real-world problems