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Flashcards in Bio Ch 1 Deck (17)
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1

Data

Info gathered from observation

2

A hypothesis should always be

Testable

3

Homeostasis

In organisms ability to maintain tolerable internal environment

4

Centrifuge

Spends two separate parts in test tube

5

Five characteristics of living things

One made up of cells
twouse energy
three reproduce
four grow
five universal genetic code

6

Why should scientists avoid their own view the one conducting tests

To avoid bias

7

Qualitative versus quantitative data

Qualitative uses senses quantitive uses numbers

8

Levels of organization from biggest to smallest

Biosphere, ecosystem, community, population, organism, group of cells, cells, molecules

9

Goals of science

To investigate and understand the natural world explain events in the natural world and use it explanations to make predictions

10

3 SI measurements

Length is meters, liters is mass, grams is volume

11

Why do scientist preferred metric system

Oh scientist use it and its base 10

12

What are the steps of the scientific method

Question hypothesis experiment analyze data conclusion

13

What is a manipulative variable

The factor that is purposely change in an experiment

14

Solute versus solvent

Solute gets dissolved in a solvent does the dissolving

15

Science is a ???? is ever-changing

On going process

16

Tell me to things about water

Covers 3/4 of the earths surface and is the most abundant compound in most living things

17

Theory

Evidence that is so well supported