Test 1

Question 1

Six steps of scientific method

Answer 1

Observation, question, hypothesis, experiment, conclusion, report results

Question 2

Relationship between two variables

Answer 2

Correlations

Question 3

Are hypothesis with broad application that are supported by MANY experiments

Answer 3

Theories

Question 4

All organisms consist of one or more cells. The cell is the basic unit of life, and all cells arise from existing cells.

Answer 4

Cell theory

Question 5

Change occurs in inherited traits of a population over generations.

Answer 5

Evolution

Question 6

All substances consist of atoms

Answer 6

Atomic theory

Question 7

Microorganisms cause many diseases.

Answer 7

Germ theory

Question 8

What is biology

Answer 8

The scientific study of life

Question 9

7 main characteristics of living organisms

Answer 9

Order, regulation, growth and development, energy utilization, response to environment, reproduction, evolution

Question 10

Order

Answer 10

Living things are complex and organized; not random

Question 11

Living things maintain relatively constant internal conditions (HOMEOSTASIS)

Answer 11

Regulation

Question 12

Living things grow and develop.

Answer 12

Growth and development

Question 13

Living things acquire and use material and energy; as a result of this they produce wast

Answer 13

Energy utilization

Question 14

Living things respond to stimuli

Answer 14

Response to environment

Question 15

Living things have baby’s

Answer 15

Reproduction

Question 16

POPULATIONS of living things have the capacity to evolve; NOT a trait of an individual

Answer 16

Evolution

Question 17

Scales of biological organization (10)

Answer 17

Biosphere, echo system, community, population, organism, organ system, organ, tissue, cell@ organelle, molecule and atom

Question 18

The whole planet

Answer 18

Biosphere

Question 19

Includes biotic and abiotic elements. Ex. Species conservation

Answer 19

Echo system

Question 20

Is a pure substance that can not be broken down by chemical means into any other substance.

Answer 20

Element

Question 21

96% of the human body is made up of these elements

Answer 21

C, H, O, and N

Question 22

Is the smallest part of an element that retains the properties of that element.

Answer 22

Atom

Question 23

(+) charge

Answer 23

Proton

Question 24

(-) charge

Answer 24

Electron

Question 25

(No charge)

Answer 25

Neutrons

Question 26

Is an atom that either gained or lost electrons. | Either net negative or net positive.

Answer 26

Ion

Question 27

Electrons that are donated

Answer 27

Ionic bonds

Question 28

Share electrons

Answer 28

Covalent bonds

Question 29

Polar covalent bonding can lead to the formation of?

Answer 29

Hydrogen bonds

Question 30

Atoms joined by bonds.

Answer 30

Molecules

Question 31

If a substance dissociates such that the concentration of H+ exceeds that of -OH ions that substance is an?

Answer 31

Acid

Question 32

Is a substance that either adds -OH ions to a solution Or removes H+ ions from solutions.

Answer 32

Base

Question 33

Water and life 4 important properties?

Answer 33

- hydrogen bonding - high specific heat - the solid state floats on the liquid state - it’s a good solvent of polar molecules

Question 34

How a tree gets water up to its branches

Answer 34

Cohesion

Question 35

Molecules with affinity for water

Answer 35

Hydrophilic

Question 36

Molecules that do not dissolve in water

Answer 36

Hydrophobic