Biology Test

Front 1

Name each steps of Scientific Methods

Back 1

Observations, Form a question, make a hypothesis, design an experiment, Analyze results and make conclusions.

Front 2

Hypothesis

Back 2

An explanations for a problem that can be formally tested through experimentations.
Developed through obserrvations or previou experiments.
Usually an if/then statements.

Front 3

Designing an experiment

Back 3

Test a hypothesis by collecting information under controlled conditions.

Front 4

Controll group

Back 4

all conditions kept normal

Front 5

Experimental group

Back 5

All conditions kept the same as the controll except for the single condition being tested.

Front 6

Independent Variables

Back 6

Condition that is changed: affects the out come

Front 7

Dependent variables

Back 7

Changes in this condtion depends on changes in the independent variables.

Front 8

Qualitative

Back 8

Written descriptions

Front 9

Circular graphs

Back 9

Use to show portions at a whole, how a specific froup fits into a large group.

Front 10

bar Graphy

Back 10

Shows relationships between groups when they do not affect each others

Front 11

Line Graphy

Back 11

Used to show continuing data or how one variables affects another

Front 12

Conclusions

Back 12

Data lends suppoort for or agains the hypothesis.

Front 13

Theory

Back 13

Hypothesiss that is supported overtime by many investigations

Front 14

Law

Back 14

Facts of nature generally know to be true

Front 15

Metric System
based on Measurements of ?
basic units of Volume?
Basic units of Length?
basic units of Mass?

Back 15

10, Litter, Metter, Gram

Front 16

Volume

Back 16

Amount of space an objects takes up

Front 17

Mass

Back 17

A measurement of the amount of matter in a object

Front 18

Temperature

Back 18

5(f-32)/9=c

Front 19

Ecology

Back 19

Study of interactions of organisms and their physical environment

Front 20

Community

Back 20

Organisms that live in a particular place

Front 21

Habitat

Back 21

Physical location of community

Front 22

Ecosystem

Back 22

Self Sustaining collection of organisms and their physical environment

Front 23

Diversity of Ecosystem

Back 23

measure of number of species living in ecosystem and how common each species is.

Front 24

Stability

Back 24

he ability of an ecosystem to resist change in the face of disturbances.

Front 25

Carrying Capacity

Back 25

The number of one species that an environment can support

Front 26

LImiting Factor

Back 26

Any biotic or abiotic factor that restricts the existance, numbers, or reproduction of a population

Front 27

Density-dependent Factors

Back 27

Have an increasing effect as the populations increases

Front 28

Density-independent Factors

Back 28

Affect all populations, regardless of their density

Front 29

Producers

Back 29

Take in energy, store in complex molecules. Includes plants, alge, and some bacteria

Front 30

Consumers

Back 30

All other organisms which obtain energy by consuming other organisms

Front 31

Decomposers

Back 31

Special consumers obtaining energy by consuming organic wastes, dead bodies. Includes fungi and some bacteria.

Front 32

Trophic Level

Back 32

A group of organisms whose energy sources are the same number of steps away from the sun

Front 33

1st tropic level

Back 33

Producers(Autotrophs

Front 34

2nd trophic level

Back 34

Organis that eat plants (herbivore( Primary Consumer

Front 35

3rd Trophic Level

Back 35

Animals that eat herbivores(carnivores) Secondary Consumers

Front 36

4th trophic level

Back 36

Animals that feed on carnivores (Teritory Consumers

Front 37

Only ? of energy is passed on

Back 37

10%

Front 38

All ecosystem must contain ?

Back 38

Decomposers

Front 39

Food web

Back 39

A complex network of feeding relationships in ecosystem

Front 40

Food Chain

Back 40

Path of energy through trophic levels. One part of a food web; the specific sequence in which organisms obtain energy.

Front 41

Nitrogen Cycle
Nitrogen is necessary to ?

Back 41

to make proteins, nucleic acids

Front 42

NITROGEN CYCLE

Back 42

Nitrogen enters the food chain when plands obsorb it from soil
Bacteria play an important role in releasing nitrogen from dead organisms to be reused

Front 43

WaterCycle

Back 43

Water vapor in atmosphere condenses, falls to the earth's surface as precipitation. Seeps in to soil. And becomes ground water remaining water is heated by the sun to reenter the atmospher by evaporation

Front 44

Living Cycle __Water Cycle__++++_))(*^$@*$&^@

Back 44

taken up by plant roots, moves into the atmosphere by transpiration (evaporation from leaves)

Front 45

Carbon Cycles

Back 45

Carbon dioxide in air is used by plants during photosynthesis. Consumers obtain carbon acompounds from plants, break them down by cellular respiration, and release carbon dioxide into an atmosphere.

Front 46

Phosphorous Cycle

Back 46

Phosphorus is needed in ATP and DNA
Usually found in soil and rocks and dissolve in water to form phosphorus ions.

Front 47

Coevolution

Back 47

Two or more species evolve in response to each other

Front 48

Predation

Back 48

One organisms feed on another