Chapter 1

Question 1

5 basic properties of life

Answer 1

1. Cellular organization
2. Metabolism
3. Homeostasis
4. Growth and Reproduction
5. Heredity

Question 2

Life organized at the cellular level

Answer 2

-Atoms
-Molecules
-Macromolecules
-Organelles
-Cells

Question 3

Life is organized at the organismal level

Answer 3

-Tissues
-Organs
-Organ system
-Organism

Question 4

Life is organized at the population level

Answer 4

-species
-Population
-Community
-Ecosystem

Question 5

Population

Answer 5

Single species that occupies a given area

Question 6

Species

Answer 6

Interbreeding organisms reproductively isolated

Question 7

Community

Answer 7

Different species in a given area

Question 8

Emergent properties

Answer 8

Seeing properties that were not present in the previous level

Question 9

Cell theory

Answer 9

All living things are made up of cells
Cells are the basic unit of life
All cells come from other cells
All cells are the same in basic chemical composition

Question 10

Gene Theory

Answer 10

-DNA is genetic material
-Codes for protein and RNA that will determine what an organism will be like
-Units of coding are genes

Question 11

Theory of Heredity

Answer 11

-Genes are inherited as discrete units
-Genes are physically located on chromosomes
-Copies of chromosomes are passed from cell to cell during reproduction

Question 12

Theory of Evolution

Answer 12

-Evolution is the change in genetic make up of a group organisms over time
-Natural selection is the major cause of evolution
*Organisms whose structure function the best survive and have more offspring
-Diversity of life is explained by the accumulated genetic changes over millions of years

Question 13

4 theories that underpin biological science

Answer 13

1. Cell theory
2. Gene theory
3. Theory of heredity
4. Theory of evolution