Themes of Bio

Question 1

The Scientific Method

Answer 1

Hypothesis: a plausible answer to a scientific question.
Prediction: the outcome that would be observed if the hypothesis were correct
Theory: strong, well-supported explanation of existing observations

Question 2

The 7 Properties of Life

Answer 2

1. Cellular Organization
2. Reproduction
3. Growth and Development
4. Metabolism (Energy Processing)
5. Homeostasis
6. Response to Environment
7. Evolutionary Adaption

Question 3

The 5 Core Themes of Biology

Answer 3

1. Organization:
2. Information:
3. Energy & Matter:
4. Interactions:
5. Evolution:

Question 4

Core Theme: Organization

Answer 4

• Basic units of structure define the function of all living things.
• Organization occurs at multiple levels.
  Structure drives function.

Question 5

Core Theme: Information

Answer 5

• Growth & behaviour of organisms are activated through the expression of genetic info (DNA).
• DNA carries gene encoding proteins that determine the functions of a cell

Question 6

Core Theme: Energy & Matter

Answer 6

• Biological systems grow & change based on chemistry transformation pathways & are governed by the laws of thermodynamics.
• Enters ecosystem as light, leaves as heat

Question 7

Core Theme: Interactions

Answer 7

• Living systems are interconnected

- There are interactions within cells as well as within large living organisms like plants and animals

Question 8

Core Theme: Evolution

Answer 8

• Overarching theme of biology.

- Diversity of life evolved over time by processes of mutation, selection and genetic change