Characteristics of life and Scientific Method Flashcards Preview

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Flashcards in Characteristics of life and Scientific Method Deck (14):
1

1 characteristic of life: contains______

nucleic acids, proteins, carbohydrates, lipids

2

2 characteristic of life: composed of ______

cells

3

3 characteristic of life: organisms ____ and ______

grow; reproduce

4

4 characteristic of life: uses ____ and _______ _______

energy; raw materials

5

5 characteristic of life: ____ to environment

responds

6

6 characteristic of life: maintains ______

homeostasis (constant balance of internal environment)

7

7 characteristic of life: populations _____ and have ______ traits (______ don't)

evolve; adaptive; individual organisms

8

prokaryotic characteristics

unicellular, internal structure, no membrane-bound organelles

9

eukaryotic characteristics

uni/multi, larger, more structural organization (membrane-bound organelles)

10

uniqueness of humans

knowledge transmission, culture (language, morality, creativity), bipedalism, tool usage, brain

11

scientific method

systematic approach to answering questions

12

hypothesis

falsifiable/testable scientific prediction of the experiment that is NEVER PROVEN

13

theory

broad-ranging explanation for some aspect of the physical universe (generally confirmed/high supported by evidence)

14

experimental/independent variable

purposely changed/manipulated in the experiment (other variables remain constant)