Bio Final

Front 1

Which of the following statements about the image shown below is not an observation?

Back 1

the insects pattern shows that it is poisonous

Front 2

The statement "the worm is 2 cm long" is a

Back 2

quantitative observation

Front 3

An inference is

Back 3

logical interpretation of an observation

Front 4

To be useful in science, a hypothesis must be

Back 4

testable

Front 5

The term spontaneous generation means that

Back 5

living things can arise from nonliving

Front 6

Which of the following stements about a controlled experiment is true?

Back 6

only one variable is tested at a time

Front 7

A scientific theory is

Back 7

well-tested explanation

Front 8

The process in which two cells from different parents unite to produce the first cell of a new organism is called

Back 8

sexual reproduction

Front 9

The process by which organisms keep their internal conditions relatively stable is called

Back 9

homeostasis

Front 10

An instrument that produces images by focusing light rays is called a

Back 10

light microscope

Front 11

Unlike sexual reproduction, asexual reproduction involves

Back 11

one parent

Front 12

One meter is equal to

Back 12

1000 millimeters

Front 13

The manipulated variable was the

Back 13

the size of the containers

Front 14

Which of the following is a logical inference based on the contents of the graph?

Back 14

a fly population with more space will grow larger than a population with less space

Front 15

A resource that cannot be replenished by natural processes is called

Back 15

nonrenewable

Front 16

The burning of fossil fuels may cause all of the following except

Back 16

ozone hole

Front 17

The sum total of the variety of organisms on Earth is referred to as

Back 17

biodiversity

Front 18

When land development divides a habitat into isolated "islands" of the original area, the result is called

Back 18

fragmentation

Front 19

A species that enters an environment where it has not lived before is called a

Back 19

invasive species

Front 20

A species whose population size is declining so rapidly that it could soon become extinct is said to be

Back 20

endangered

Front 21

The concept of using natural resources at a rate that does not deplete them is called

Back 21

sustainable development

Front 22

Examine the food web below and determine which of the following organisms would accumulate the highest levels of a chlorinated pesticide

Back 22

hawk

Front 23

What is always true of a renewable resource?

Back 23

it is replaceable by natural means, it can regenerate quicly

Front 24

Which of the following is not a renewable resource?

Back 24

fossil fuels

Front 25

Ozone is made up of

Back 25

oxygen

Front 26

Ozone depletion has been caused by

Back 26

CFCs

Front 27

Concentrations of harmful substances increase in organisms at higher trophic levels in a food chain. This process is known as

Back 27

biological magnification

Front 28

Which statement is true about fire ants in the United States?

Back 28

they are invasive species

Front 29

By 2010, fire ants are likely to

Back 29

have to spread to larger area

Front 30

The positively charged particle in an atom is the

Back 30

proton

Front 31

Two or more different atoms are combined in definite proportions in any

Back 31

compound

Front 32

A covalent bond is formed by the

Back 32

sharing of electrons

Front 33

When you shake sugar and sand together tn a test tube, you cause them to form a

Back 33

mixture

Front 34

A compound that produces hydrogen ions in solution is a

Back 34

acid

Front 35

In polymerization, complex molecules are formed by the joining together of

Back 35

monomers

Front 36

Which formula represents an amino acid?

Back 36

H H O
H-N-C-C-OH
H C H
H

Front 37

Proteins are polymers formed from

Back 37

amino acid

Front 38

An enzyme speeds up a reaction by

Back 38

lowering the activation energy

Front 39

In a chemical reaction, a reactant binds to an enzyme at a region known as the

Back 39

active site

Front 40

An attraction between different substances is

Back 40

adhesion

Front 41

Lower a chemical reaction's activation energy is

Back 41

catalysts

Front 42

The elements or compounds that enter into a chemical reaction is

Back 42

reactants

Front 43

Which one of the following is not an organic molecule found in living organisms?

Back 43

sodium chloride

Front 44

Which combination of particle and charge is correct?

Back 44

proton:positively charged

Front 45

In which of the following ways do isotopes of the same element differ?

Back 45

in number of neutrons and in mass

Front 46

Which of the following molecules is made up of glycerol and fatty acids?

Back 46

lipids

Front 47

Nucleotides consist of a phosphate group a nitrogenous base, and a

Back 47

5-carbon sugar

Front 48

Based on the graph, what can you condlude about the realtionship between enzyme concentration and reaction rate?

Back 48

Reaction rate increases with increasing enzyme concentration

Front 49

Which concentration of catalase will produce the fastest reaction rate?

Back 49

20%

Front 50

All of life on Earth exists in a region known as

Back 50

biosphere

Front 51

Groups of different species that live together in a defined area make up a

Back 51

community

Front 52

Autotrophs are organisms that

Back 52

use energy they take in from the environment to convert in organic molecules into complex organic molecules

Front 53

The series of steps in which a large fish eats a small fish that has eaten algae is a

Back 53

food chain

Front 54

Which of the following organisms is a decomposer?

Back 54

bacteria, fungi, detritavores

Front 55

The total mass of living tissue at each trophic level can be shown in a

Back 55

biomass pyramids

Front 56

Nutrients move through an ecosystem in

Back 56

biogeochemical cycles

Front 57

In the nitrogen cycle, bacteria that live on the roots of plants

Back 57

change nitrogen gas into ammonia

Front 58

Which biogeochemical cycle doesnt involve a stage where the chemical enters the atmosphere

Back 58

Phosporous cycle

Front 59

When an ecosystem is limited by a single nutrient that either is scarce or cycles very slowly, this substance is called a

Back 59

limiting nutrient

Front 60

A group of individuals belonging to a single species that lives together in a defined area is termed a

Back 60

population

Front 61

Which of the following is not true about matter in the biosphere

Back 61

the total amount of matter decreases over time

Front 62

Which is a source of energy for Earths living things?

Back 62

sunlight and chemical energy

Front 63

In addition to hervivores, another type of consumer is a

Back 63

carnivore, omnivore, detritivore

Front 64

Human activities, such as the burning of fossil fuels, cycle carbon through the carbon cyble, Which other processes also participate in the carbon cycle?

Back 64

Biological processes, such as photosynthesis, Geochemical processes, Mixed biogeochemical processes

Front 65

What is true about the pyramid of numbers?

Back 65

first-level concsumers compose the greatest number of individuals

Front 66

WHat can you conclude based on the two pyramids?

Back 66

the producers are probably large like trees in a forest