Ch1

Question 1

What is Biology?

Answer 1

Biology is the study of life

Question 2

How are living things defined?

Answer 2

Living things:

1) Are organized
2) Reproduce
3) Acquire materials for energy
4) Are Homeostatic (maintain internal conditions within certain boundaries)
5) Respond to Stimuli - interact with environment
6) Grow & develop
7) Adapt
8) Have regulatory mechanism in place

Question 3

List the levels of life for animals from smallest to biggest.

Answer 3

• Atoms
• Molecules
• Cells
• Tissues
• Organs
• Organ Systems
• Organism

Question 4

What are four most common types of atoms in the human body? How much do they make up human bodies in percentage?

Answer 4

• Carbon, Hydrogen, Oxygen, & Nitrogen

- 96%

Question 5

What are 4 major molecules that make up a cell?

Answer 5

Proteins, carbohydrates, lipids(fats), & nucleic acids

Question 6

In multicellular organisms, what are the 4 tissues that are form from cells?

Answer 6

Muscle, nervous, epithelial, & connective

Question 7

Name the levels of life for plants?

Answer 7

• Atom
• Molecules
• Cells
• Tissues
• Tissue systems
• Organs
• Organisms
• Plants don’t have organ systems

Question 8

Name the 5 parts of the Scientific Method

Answer 8

Observation, hypothesis, experiment, results, & conclusion

Question 9

Name the 5 major theories in Biology

Answer 9

1) Gene Theory-all life composed of genes/DNA
2) Cell Theory-smallest unit of life is the cell
3) Theory of Evolution-genetic change over time
4) Biogenesis-life comes from life
5) Germ-disease is caused by microorganisms

Question 10

What is Taxonomy?

Answer 10

The process of classifying the diversity of life

Question 11

Name the 3 major Domains

Answer 11

Bacteria, Archea, & Eukarya

Question 12

Name 4 Kingdoms under Eukarya

Answer 12

Animlia, plantae, fungi, & protista

Question 13

Classify Humans from Kingdom to species

Answer 13

Kingdom=Animalia
Phylum=Chordata
Class=Mammalia
Order=Primates
Family=Hominids
Genus=Homo
Species=sapiens