Deck 1: Scientific Study of Life

Question 1

Organisms that obtain energy by consuming other organisms are called

A)autotrophs.
B)plants.
C)heterotrophs.
D)producers.
E)photosynthesizers.

Answer 1

C

Question 2

Asexual reproduction differs from sexual reproduction in that

A)asexual reproduction produces genetically diverse offspring.
B)asexual reproduction utilizes DNA from two parents to code for traits in offspring.
C)asexual reproduction occurs only in plants.
D)asexual reproduction produces offspring that are genetically identical.
E)asexual reproduction only occurs in animals.

Answer 2

D

Question 3

In an experimental procedure,what response of the phenomenon is measured by the investigator?

A)independent variable
B)dependent variable
C)control group
D)standardized variable
E)both dependent variable and standardized variable

Answer 3

B

Question 4

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

A)standardized variable
B)control group
C)dependent variable
D)independent variable
E)both control group and standardized variablE.

Question 5

An ecosystem includes all of the following except

A)a community.
B)a biosphere.
C)populations.
D)organisms.
E)nonliving environmental components.

Question 6

All living organisms

A)are prokaryotes.
B)consist of one or more cells.
C)are eukaryotes.
D)are multicellular.
E)are unicellular.

Question 7

Which is not a required characteristic of life?

A)homeostasis
B)movement
C)structural organization
D)evolution
E)energy use

Question 8

Which is a correct sequence of steps in the scientific method?

A)observe - form hypothesis - draw conclusions - design an experiment
B)observe - draw conclusion - design an experiment - form hypothesis
C)observe - form hypothesis - collect data - draw conclusions
D)form hypothesis - observe - design an experiment - collect data
E)form hypothesis - observe - collect data - design an experiment

Question 9

A structure consisting of tissues organized to carry out a specific function defines a(n)

A)organ.
B)cell.
C)population.
D)atom.
E)moleculE.

Question 10

A theory differs from a hypothesis in that a theory

A)has more supportive evidence than a hypothesis.
B)is broader in scope than a hypothesis.
C)has predictive power.
D)ties together many existing observations.
E)all of the choices are correct.

Question 11

Homeostasis of an organism is demonstrated by

A)a population changing over time.
B)environmental conditions holding constant through time.
C)cells having enough water to survive.
D)plants and animals needing energy sources.
E)an organism maintaining nearly constant internal conditions.

Question 12

The four kingdoms included in the domain Eukarya are

A)Bacteria,Fungi,Plantae,and AnimaliA.
B)Bacteria,Protista,Plantae,and Animalia.
C)Protista,Fungi,Plantae,and Animalia.
D)Archaea,Bacteria,Plantae,and Animalia.
E)Archaea,Fungi,Plantae,and Animalia.

Question 13

Which is the correct sequence for levels of biological organization occurring beyond an organism?

A)population - ecosystem - community - biosphere
B)community - population - ecosystem - biosphere
C)community - population - biosphere - ecosystem
D)population - community - ecosystem - biosphere
E)ecosystem - population - biosphere - community

Question 14

The correct sequence from smallest to largest is

A)tissue - cell - organelle - molecule - atom.
B)molecule - atom - organelle - cell - tissue.
C)atom - molecule - organelle - cell - tissue.
D)cell - tissue - organelle - molecule - atom.
E)atom - molecule - cell - organelle - tissuE.

Question 15

Which of the following is not a "control" in an experimental procedure?

A)a placebo
B)a known standard of comparison
C)a normal group
D)an experimental group
E)a "zero"-value group

Question 16

A major difference between prokaryotes and eukaryotes is that prokaryotes

A)have cell walls and other organisms do not.
B)do not have a nucleus in their cells and other organisms do.
C)have a nucleus in their cells and other organisms do not.
D)are autotrophs and other organisms are not.
E)are not living organisms,while eukaryotes arE.

Question 17

Which of the following is a false statement about the scientific method?

A)It is a general way of answering questions with evidence.
B)It is a framework to consider ideas in a repeatable way.
C)It begins with observations.
D)It does not apply to problems encountered in everyday life.
E)It enables the testing of ideas.

Question 18

Organisms that extract energy from nonliving environmental resources are called

A)heterotrophs.
B)decomposers.
C)parasites.
D)consumers.
E)producers.

Question 19

Which of the following is false about a hypothesis?

A)It can be proven true.
B)It can be proven false.
C)It is a tentative explanation.
D)It is based on previous knowledge.
E)It must be testable to be useful.

Question 20

Which is the correct sequence for levels of biological organization within an organism?

A)atom - molecule - organelle - cell - tissue
B)molecule - atom - organelle - tissue - cell
C)cell - organelle - atom - tissue - molecule
D)organelle - molecule - atom - tissue - cell
E)atom - organelle - molecule - cell - tissue

Question 21

What are the independent variables in this experiment?

A)the strain of S.aureus
B)the dose of methicillin
C)survival in the presence of methicillin
D)the agar plates
E)the time of bacterial growth

Question 22

Ammonium nitrate is

A)an atom.
B)a molecule.
C)a cell.
D)a tissue.
E)a biospherE.

Question 23

Which of the following is FALSE about experiments?

A)The larger the sample size the more meaningful the results.
B)The smaller the sample size the more meaningful the results.
C)An experiment is not valid without the proper control.
D)It is important to standardize aspects of an experiment which might affect the outcome,other than the independent variable.
E)All answers are correct.

Question 24

Which of the following are independent variables in this experiment?

A)Amount of ammonium nitrate and light
B)Amount of water
C)Amount of carbon dioxide
D)Height of the plants and amount of light
E)Height of the plants

Question 25

The leaf of a strawberry plant is

A)an organ.
B)a molecule.
C)an organelle.
D)a cell.
E)an organism.

Question 26

Your strawberry plants produce both fruit and runners.How do they reproduce?

A)asexually only
B)sexually only
C)developmentally only
D)developmentally and sexually
E)sexually and asexually

Question 27

In this experiment,the size of the pot is

A)an independent variable.
B)a dependent variable.
C)a standardized variable.
D)a placebo.
E)a control.

Question 28

How does the bacterium S.aureus reproduce?

A)asexually only
B)sexually only
C)sexually and asexually
D)developmentally only
E)developmentally and sexually

Question 29

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

A)the distance the golf ball travels.
B)the type of material the club is made of.
C)the wind direction when the experiment takes place.
D)the type of material the golf ball is made of.
E)the speed of the golf club prior to hitting the golf ball.

Question 30

A strawberry plant is

A)a consumer.
B)a decomposer.
C)a producer.
D)a heterotroph.
E)a consumer and heterotroph.

Question 31

Organisms require energy to grow,reproduce,and survive.What is the energy source for the plants in your experiment?

A)ammonium nitrate
B)light
C)water
D)soil
E)carbon dioxide

Question 32

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

A)the wind direction when the experiment takes place.
B)the distance the golf ball travels.
C)the type of material the golf ball is made of.
D)the speed of the golf club prior to hitting the golf ball.
E)the type of material the club is made of.

Question 33

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,all of the variables would be standardized except

A)the wind direction when the experiment takes place.
B)the force used to hit the ball.
C)the type of material the golf ball is made of.
D)the type of material the club is made of.
E)the angle the ball is hit.

Question 34

Some of the original strain of S.aureus bacteria surviving in the presence of methicillin is an example of which of the following?

A)mutation
B)homeostasis
C)evolution
D)sexual reproduction
E)natural selection

Question 35

Which of the following are dependent variables in this experiment?

A)Amount of ammonium nitrate and light
B)Amount of carbon dioxide
C)Amount of water
D)Height of the plants
E)Height of the plants and amount of light

Question 36

The bacterium S.aureus belongs to which domain?

A)Eukarya
B)Archaea
C)Prokarya
D)Protista
E)Bacteria

Question 37

How did some of the original strain of S.aureus bacteria survive in the presence of methicillin?

A)The methicillin caused mutations in the bacteriA.
B)They had pre-existing mutations that provided resistance.
C)The methicillin was no longer active.
D)The methicillin may not have been added to those plates.
E)The bacteria wanted to survive the antibiotic and mutated to become resistant.

Question 38

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

A)a placebo.
B)an independent variable.
C)a variable.
D)a hypothesis.
E)never used in an experiment.

Question 39

Which of the following are dependent variables in this experiment?

A)the strain of S.aureus
B)the dose of methicillin
C)the agar plates
D)survival in the presence of methicillin
E)the time of bacterial growth

Question 40

The plants take up nutrients like ammonium nitrate to maintain

A)asexual reproduction.
B)sexual reproduction.
C)natural selection.
D)evolution.
E)homeostasis.

Question 41

The cell is the basic unit of life.

Question 42

In the section "Investigating Life: The Orchid and the Moth," Charles Darwin's prediction about the long nectaries is

A)a standardized variable.
B)a theory.
C)an independent variable.
D)a dependent variable.
E)a hypothesis.

Question 43

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the independent variable.

Question 44

The bacterium Staphylococcus aureus became resistant to methicillin because the Staphylococcus mutated so that methicillin was no longer harmful.

Question 45

In the section "Investigating Life: The Orchid and the Moth," what is the advantage to the orchid of having an 11-inch long nectar tube?

A)It can produce nectar over a larger area and attract more pollinators.
B)It can collect more rainwater.
C)It can be fertilized only by the largest moths.
D)It can collect more sunlight for photosynthesis.
E)It can trap insects as a source of nutrients.

Question 46

What is the purpose of a control in an experiment?

A)provides a basis for comparison
B)provides tentative explanations for an observation
C)provides a large sample size
D)provides a small sample size
E)provides wide range of variations in the independent variable

Question 47

Why isn't scientific inquiry foolproof?

A)Multiple interpretations of the data are possible.
B)Definite answers do not always result.
C)Observations can be misinterpreted.
D)Unexpected conclusions are not always readily accepteD.
E)All answers are correct.

Question 48

A theory is an advanced hypothesis that has been proven to be true.

Question 49

MRSA infections occur in humans (Homo sapiens).Homo sapiens are in which domain?

A)Archaea
B)Bacteria
C)Eukarya
D)Animalia
E)Protista

Question 50

In the section "Investigating Life: The Orchid and the Moth," what is the advantage to the sphinx moth Xanthopan morgani of having an 8-inch long tongue?

A)It is used to attract mates through sexual selection.
B)It can pollinate only one type of flower.
C)It makes flying more efficient.
D)It can be used to capture other flying insects for fooD.
E)It can reach nectar that no other pollinator can reach.

Question 51

Decomposers are a special group of producers.

Question 52

The bacterium Staphylococcus aureus has which of the following?

A)nucleus
B)cell wall and nucleus
C)cell wall
D)cell wall and cell membrane
E)cell membrane and nucleus

Question 53

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the amount of sunlight and water the plants received would be standardized variables.

Question 54

In the section "Investigating Life: The Orchid and the Moth," what did Charles Darwin predict after observing the 11-inch long nectaries of the Angraecum sesquipedale orchid in Madagascar?

A)the existence of a moth with a proboscis of 10-11 inches
B)the existence of a competitor which also possessed especially-long nectaries
C)the presence of very small bees that could fit into long nectaries
D)that the orchid must reproduce asexually
E)that the orchid was an evolutionary dead end and could no longer reproduce

Question 55

As described in the section "Investigating Life: The Orchid and the Moth," pollination is a step of _____ in a plant.

A)sexual reproduction
B)asexual reproduction
C)development
D)metabolism
E)homeostasis

Question 56

The "kingdom" is the most all-inclusive taxonomic category.

Question 57

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the dependent variable.

Question 58

The smallest identifiable unit of an element is a molecule.

Question 59

MRSA infections occur in humans (Homo sapiens).Humans are in which kingdom?

A)Eukarya
B)Archaea
C)Bacteria
D)Animalia
E)Protista

Question 60

After reading the section "Investigating Life: The Orchid and the Moth," you test Charles Darwin's prediction that an orchid with long pollen tubes has a pollinator with long,thin mouthparts that could reach the bottom of the elongated nectar tube.You place nets over some orchids that allow pollinators with small,short mouthparts to enter,but prevents pollinators with long,thin mouthparts.Then,you compare the number of seeds produced by plants with and without the nets.The seed production is

A)a dependent variable.
B)a hypothesis.
C)a theory.
D)an independent variable.
E)a standardized variablE.

Question 61

How do you know the computer you are working on is not alive?

A)It is not made of cells.
B)It does not maintain an internal consistency of water,solutes,and other components.
C)It cannot reproduce,asexually or sexually.
D)It cannot evolve.
E)All answers are correct.

Question 62

If the environment remained the same,organisms would not evolve.

Question 63

Which of the following does not evolve?

A)humans
B)bacteria
C)flowering plants
D)limestone rock
E)mushrooms

Question 64

Gravity is a theory because it is

A)a tentative explanation of an observation.
B)an untestable prediction.
C)a changeable element of experiments.
D)an opinion or hunch.
E)an encompassing explanation of a natural phenomenon that is well accepted.

Question 65

Cells,tissues,organs,and organ systems working together to make a human function is an example of ______,because separately none of these components can accomplish what they can together.

A)an emergent property
B)a control
C)a placebo
D)an independent variable
E)a standardized variable

Question 66

All mutations lead to evolution of living organisms.

Question 67

Which of the following is not a testable hypothesis?

A)What is the meaning of life?
B)Why is the sky the color blue?
C)What causes species extinctions?
D)How did I start from only an egg and sperm?
E)Why is too much fatty food bad for me?

Question 68

What is the purpose of taxonomy?

A)to name and classify living organisms
B)to organize levels of biology from atom to biosphere
C)to predict the outcome of experiments
D)to explain how or why a phenomenon occurred
E)to explain how life began