Test 1

Question 1

atom - molecule - organelle - cell - tissue

Answer 1

the sequence for levels of biological organization within an organism

Question 2

population - community - ecosystem - biosphere

Answer 2

the sequence for levels of biological organization occurring beyond the individual

Question 3

What does it take to be considered a living organism?

Answer 3

the organism must consist of one or more cells

Question 4

What are organisms called that extract energy from nonliving environments?

Answer 4

autotrophs and producers

Question 5

What are organisms called that obtain energy by eating nutrients that make up other organisms?

Answer 5

heterotrophs

Question 6

Is movement a major characteristic of life?

Answer 6

no

Question 7

What are two examples of the body maintaining homeostasis?

Answer 7

shivering to warm the body and evaporation of sweat to cool the body

Question 8

What is the correct sequence of taxonomic categories?

Answer 8

kingdom - phylum - class - order - family - genus - species (king Phillip came over for green stamps)

Question 9

The more features two organisms share,

Answer 9

the more related they are and the more taxonomic levels they share.

Question 10

What are the four kingdoms included in the domain Eukarya?

Answer 10

Protista, fungi, plantae and animalia

Question 11

What is the difference between bacteria and other living organisms?

Answer 11

Bacteria do not have a nucleus in their cells and other organisms do.

Question 12

Does the scientific method apply to problems in every day life?

Answer 12

yes

Question 13

Can a hypothesis be proven to be true?

Answer 13

no

Question 14

In an experimental procedure, what is manipulated by the investigator to determine whether it influences the phenomenon of interest is?

Answer 14

the independent variable

Question 15

In an experimental, what is actually being measured by the investigator?

Answer 15

the dependent variable

Question 16

Is an experimental group a control?

Answer 16

no

Question 17

What is the difference between a theory and a hypothesis?

Answer 17

a theory has more supportive evidence, is broader in scope than a hypothesis, it ties together many observations, and it has predictive power

Question 18

What is the most common cause of stomach ulcers?

Answer 18

a bacterium (helibacter pylori)

Question 19

What is a structure consisting of tissues organized to carry out a specific functions?

Answer 19

organ

Question 20

What are decomposers?

Answer 20

bacteria, fungi, and organisms that obtain energy from wastes or dead organisms

Question 21

Does an ecosystem include the biosphere?

Answer 21

no

Question 22

What is an example of an emergent property?

Answer 22

the transport of blood by the combining of endothelial cells to form a capillary

Question 23

What is the difference between sexual and asexual reproduction?

Answer 23

Asexual reproduction produces offspring that are virtually identical

Question 24

What is homeostasis?

Answer 24

that conditions remain within a constant range

Question 25

What book did Charles Darwin write?

Answer 25

On the Origin of Species by Means of Natural Selection

Question 26

What is the scientific study of life?

Answer 26

biology

Question 27

What is the correct sequence going from smallest to largest?

Answer 27

atom - molecule - organelle - cell - tissue

Question 28

Energy transfers are never 100% efficient,

Answer 28

and all ecosystems need a continuous external energy source.

Question 29

What class do do humans belong to?

Answer 29

mammalia

Question 30

What are the steps of the scientific method?

Answer 30

observation - form a hypothesis - design an experiment - collect data

Question 31

In an experiment designed to measure the distance a golf ball is hit by clubs made of different materials, the dependent variable is?

Answer 31

the distance the golf ball traveled

Question 32

In an experiment designed to measure the distance a golf ball is hit by clubs made of different materials, the independent variable would be?

Answer 32

the type of material the club is made of

Question 33

What is an inert substance that resembles the treatment given to an experimental group?

Answer 33

placebo

Question 34

What is nitric oxide made of?

Answer 34

one atom of nitrogen and one atom of oxygen

Question 35

What is nitric oxide found in?

Answer 35

acid rain and smog; though it is harmful in some cases, it passes freely in and out of cells and has a function in living organisms

Question 36

Who created the periodic table?

Answer 36

Dimitri Mendeleev

Question 37

What are the primary elements making up living things?

Answer 37

carbon, hydrogen, oxygen, sulfur, nitrogen, and phosphorus

Question 38

What is the atomic number of an atom or element?

Answer 38

the number of protons in the nucleus

Question 39

What is an ion?

Answer 39

an atom that has gained electrons, or an atom that has a positive charge, or an atom that has lost electrons, or an atom that has a negative charge

Question 40

What is the mass number of an atom?

Answer 40

the total number of protons and neutrons of an atom

Question 41

What are the uses of radioactive isotopes?

Answer 41

tracers, radiometric dating, the killing of disease causing organisms, and cancer therapy

Question 42

How do isotopes of the same element differ from one another?

Answer 42

they have a different number of neutrons and they have a different mass number

Question 43

What is a covalent bond?

Answer 43

a strong bond that is formed by atoms that share electrons

Question 44

What is an ionic bond?

Answer 44

a bond formed by atoms of opposite charges attracting one another and is a bond pulled apart by water molecules

Question 45

What does it mean if a covalent bond is polar?

Answer 45

one of the atoms has a partial negative charge

Question 46

Where does a hydrogen bond occur?

Answer 46

between molecules

Question 47

Water

Answer 47

is cohesive, dissolves polar substances, regulates temperature, and participates in life's chemical reactions

Question 48

What is evaporation?

Answer 48

the conversion of liquids into vapor

Question 49

Why does ice float on water?

Answer 49

the molecules are farther apart in ice than in water

Question 50

What is an acid?

Answer 50

a chemical that adds hydrogen ions into a solution

Question 51

What is a base?

Answer 51

a chemical that absorbs hydrogen ions in a solution and is a chemical that adds hydroxyl ions to a solution

Question 52

What are organic molecules?

Answer 52

chemical compounds that contain carbon and hydrogen

Question 53

What are the four major groups of organic compounds?

Answer 53

carbohydrates, lipids, proteins and nucleic acids

Question 54

What are the processes by which cells build large molecules by monomers?

Answer 54

dehydration by synthesis and condensation

Question 55

What is the process by which cells break polymers down into smaller units?

Answer 55

hydrolysis

Question 56

What are examples of monosaccharides?

Answer 56

glucose, galactose, and fructose

Question 57

What are examples of lipids?

Answer 57

trigylcerides, phospholipids, waxes, and sterols

Question 58

Is a starch a lipid?

Answer 58

no

Question 59

What is the primary monomer of a protein?

Answer 59

an amino acid

Question 60

What is a peptide bond?

Answer 60

a strong covalent bond

Question 61

What is the primary monomer of nucleic acids?

Answer 61

a nucleotide

Question 62

What are the three major components in an nucleotide?

Answer 62

a nitrogen base, a five carbon sugar, and a phosphate group

Question 63

What are the four nitrogen bases found in RNA?

Answer 63

adenine, cytosine, guanine, and uracil