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What are the 7 characteristics of all living organisms?

1. Composed of cells
2. Complex and ordered
3. Respond to their environment
4. Can grow, develop and reproduce
5. Obtain and use energy
6. Maintain internal balance
7. Allow for evolutionary adaptation

1

List the order of population levels from smallest to largest.

Population
Species
Community
Ecosystem
Biosphere

2

Which is larger: a population or a community?

Community

3

__________ is an emergent property.

Life

4

This results from interaction of components and cannot be deducted by looking at parts themselves.

Emergent Properties

5

Deductive reasoning is...

General principles to make specific predictions.

6

_________ is general principles to make specific predictions.

Deductive Reasoning

7

Inductive Reasoning

Specific observations to develop general conclusions.

8

__________ is specific observations to develop general conclusions.

Inductive Reasoning

9

An example of a macromolecule is...

DNA

10

An example of an organelle is...

Mitochondria

11

List the order of cellular level from largest to smallest.

Cell
Organelle
Macromolecule
Molecule
Atoms

12

Which is smaller: a cell or a molecule?

Molecule

13

Which is smaller: a macromolecule or an organelle?

Macromolecule

14

Observation and Hypothesis Formation are examples of __________ reasoning.

Inductive

15

Prediction, experimentation and conclusion are examples of __________ reasoning.

Deductive

16

If you refine your hypothesis with new data, it is called __________.

Iterative

17

__________ lead to predictions.

Hypotheses

18

__________ is a possible explanation of observations and must be tested for validity.

Hypothesis

19

An experiment tests the __________.

Hypothesis

20

True or false: an experiment tests many variables.

False (one variable at a time).

21

In order to perform a valid experiment, there must be a test group and a __________ group.

Control

22

Hypotheses are (accepted/rejected) if experiments produce results inconsistent with the predictions.

Rejected

23

More experimentally supported predictions make a hypothesis (more/less) valid.

More

24

_________ is the use of a high temperature to kill microorganisms (mainly used for foods).

Pasteurization

25

Pasteur was a scientist that tested which 2 hypotheses?

Germ hypothesis and spontaneous generation hypothesis

26

What instrument did Pasteur use to disprove the spontaneous generation hypothesis?

Swan-neck flask

27

What is the Germ Hypothesis?

When something becomes contaminated due to existing germs or germs in the air.

28

What is the spontaneous generation hypothesis?

That germs arise spontaneously.

29

What experiment proved that bacteria in foods rose from existing germs or germs in the air (Germ Hypothesis)?

Swan-neck experiment