Which statement best describes the cells of a goldfish?

The cells group together to directly form tissues.

Two species of frog live in the same area. Which is the best evidence for a common ancestor?

the species' physical characteristics

Which description is the best example of a population?

all of the red foxes in a forest

A cell goes through Meiosis. How are the daughter cells different than the parent cell?

the daughter cells contain half the amount of DNA

A jackrabbit has large ears containing blood vessels that help it maintain body temperature

This is an example of homeostasis

Which statement best describes how antibiotics affect cellular homeostasis?

Interfere with material transport into and out of the cell

Leopards live and hunt alone. What is most likely the primary value of living alone?

reduced competition for natural resources

What type of evidence does the presence of homologous structures in plants provide?

plants have evolved from a common ancestor

Which process best describes the assembly of proteins from amino acids?

Monomers are linked to form a polymer.

Fish are able to survive freezing winters in a pond. Which property of water is this?

water is less dense when it is a solid

Which list contains both unicellular and multicellular organisms?

a bacterium, an earthworm, a lion

Which statement best describes how invasive plants can negatively affect native herbivores?

can reduce the size of the native plant populations.

Which statement describes a physical characteristic of a phospholipid?

It has a hydrophilic head and nonpolar, hydrophobic tails

Which statement best describes this role of plastids in the plant cell?

Chloroplasts transform light energy into chemical energy.

A tissue has multiple layers of cells that are constantly replaced. What could its function be?

It provides physical protection against injury

often in the form of an if-then statement

The # of ATP molecules were reduced during a chemical reaction. What was most likely learned?

The reaction required an input of energy.

Which structure is always present in both prokaryotes and eukaryotes?

a cell membrane that holds in the contents of the cell

Carbonic anhydrase is an enzyme involved in the reaction of carbon dioxide with water by

decreasing the energy needed to complete the reaction

Which of the following best describes an acquired trait of a cat?

chipped tooth, it develops during the organism's life

What best describes the hind leg bones seen in the whale?

Vestigial structures that had a function in an ancestor

Which outcome is most likely a result of selective breeding?

the expression of favored genotypes

How can translocation affect chromosomes?

can cause the exchange of genes between homologs

Which scenario would lead to the most rapid evolution of a new species of beetle?

A geographic barrier separating two populations of beetle

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Questions 84

Answers

1
Which statement best describes the cells of a goldfish?
The cells arrange to directly form organs.
The cells work together to directly form organ systems.
The cells combine to directly form organelles
The cells group together to directly form tissues.
2
This owl’s disk-shaped face helps direct sound wavesinto the owl’s ears, similar to a human ear
Vestigial
Homologous
Analogous
Vestanologous
3
The pitcher plant & venus fly trap have leaves that catch insects. Cacti have spines for leaves
Vestigial
Analogous
Homologous
Vagus
4
Breakdown of a chain of nucleic acids by splitting a water molecule
Hydrolysis
Dehydration Synthesis
Dehydrolysis
Anucleation
5
cellulose, glucose, and starch are examples of
carbohydrates
monosaccharides
proteins
lipids
6
Fats, oils, and waxes are examples of
nucleic acids
lipids
carbohydrates
proteins
7
The functions of which cell structure are described in this list?
a mitochondrion
the endoplasmic reticulum
a lysosome
the plasma membrane
8
Two species of frog live in the same area. Which is the best evidence for a common ancestor?
the species' similar diets
the species' similar habitats
the species' mating behaviors
the species' physical characteristics
9
Which description is the best example of a population?
all of the organisms in every forest
all of the red foxes in a forest
all of the red foxes in every forest
all of the organisms in a forest
10
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
the daughter cells contain half the amount of DNA
the daughter cells are larger
the daughter cells grow twice as fast
daughter cells are diploid
11
A jackrabbit has large ears containing blood vessels that help it maintain body temperature
This is an example of growth and development
This is an example of homeostasis
This is an example of energy use
This is an examples of levels of organization
12
A macromolecule that assists in the breakdown of proteins in stomach acid. It can be reused.
lipid
enzyme
nucleic acid
reactant
13
Which statement best describes how antibiotics affect cellular homeostasis?
Interfere with material transport into and out of the cell
decrease the rate of cell respiration by producing oxygen
Increase the rate of DNA replication by forming nucleotides.
Antibiotics remove chloroplasts causing starvation
14
Which graph best shows how enzyme activity changes as the temperature is increased & decreased
B
D
C
A
15
Which level of organization best classifies a heart?
organ
tissue
organ system
cell
16
Fertilization of an egg leads to a diploid genome. Which is true of a diploid cell?
There are two genes per allele
There are two genes per chromosome
There are two chromosomes per allele
There are 2 alleles per gene
17
Leopards live and hunt alone. What is most likely the primary value of living alone?
increased survival rates with habitat loss
reduced competition for natural resources
greater genetic variability within the species
decreased space needs for the species
18
What type of evidence does the presence of homologous structures in plants provide?
Insects and plants evolved around the same time
plants have evolved from a common ancestor
Only some plants are capable of photosynthesis
Some animals are more closely related to plants
19
Which cell process is best modeled by the diagram?
passive transport
endocytosis
exocytosis
facilitated diffusion
20
Which process best describes the assembly of proteins from amino acids?
Molecules are added to compound until it becomes a monomer.
Atoms are linked to form a compound.
Monomers are linked to form a polymer.
Atoms are added to a monomer until it becomes a polymer.
21
Fish are able to survive freezing winters in a pond. Which property of water is this?
Water is a universal solvent because it is a polar molecule
Water sticks to things it cannot dissolve.
water is less dense when it is a solid
water forms covalent bonds with other water molecules
22
Most anabolic reactions, such as polysaccharide synthesis, require energy in the form of
Sunlight
ATP
Protein
Glucose
23
What is the name of the group with normal conditions in a controlled experiment?
independent variable
control group
experimental group
dependent variable
24
In Cellular Respiration ___________ energy is transformed into _____________ energy
chemical, chemical
light, light
chemical, light
light, chemical
25
The function of which human organ is most like the cell walls of bacteria?
Heart
Pancreas
Liver
Skin
26
What happens to the unused organic matter at each trophic level within an energy pyramid?
It is used by consumers to make more food
It is absorbed by consumers
It is lost as ATP to the environment
It is recycled by decomposers
27
Which of the following is a property of water that allows this insect to walk on water?
solubility
low freezing point
cohesion
high specific heat
28
Which location would most likely have an aye-aye population with greatest genetic variation?
location 2
location 4
location 1
location 3
29
Which list contains both unicellular and multicellular organisms?
a bacterium, an earthworm, a lion
a mushroom, a strawberry plant, a lemon tree
a pea plant, a maple tree, a snail
a caterpillar, an ant, a tadpole
30
Which statement best describes how invasive plants can negatively affect native herbivores?
can stop the life cycles of native herbivores.
can increase the flow of energy through the ecosystem.
can attract other nonnative plants to the forest ecosystem.
can reduce the size of the native plant populations.
31
Which term best describes the basic unit of inheritance passed from a parent to offspring?
genotypes
traits
phenotypes
genes
32
Which relationship best describes the interaction between ticks and the deer?
Mutualism
Commensalism
Parasitism
Competition
33
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Abiotic factors
Vertebrates
Microbes
Biotic factors
34
What tiny structures in blood carry oxygen from the lungs to the organs where it is needed?
Cells
Tissues
Lipids
Vessels
35
Which statement describes a physical characteristic of a phospholipid?
It has a ring structure
It has a hydrophilic head and nonpolar, hydrophobic tails
It is composed of chains of glucose molecules
It is a monomer
36
Which statement best describes this role of plastids in the plant cell?
Mitochondria transform chemical energy into electromagnetic
Chloroplasts transform chemical energy into electromagnetic
Chloroplasts transform light energy into chemical energy.
Mitochondria transform light energy into chemical energy.
37
A tissue has multiple layers of cells that are constantly replaced. What could its function be?
It provides physical protection against injury
It allows for movement of limbs.
It transports various nutrients throughout the body
It provides cushioning to internal organs
38
Hypotheses are
an analysis of your experimental data
often in the form of an if-then statement
the procedures for carrying out an experiment
personal opinions including bias
39
The # of ATP molecules were reduced during a chemical reaction. What was most likely learned?
The reaction required an input of energy.
The reaction consumed water.
The reaction produced water.
The reaction caused an output of energy.
40
In Photosynthesis ___________ energy is transformed into _____________ energy
light, light
light, chemical
light, heat
chemical, light
41
Which structure is always present in both prokaryotes and eukaryotes?
a cell membrane that holds in the contents of the cell
a cell wall that maintains a rigid structure for the cell
a nucleus that controls the actions of the cell
a mitochondria that provides the cell with energy
42
Carbonic anhydrase is an enzyme involved in the reaction of carbon dioxide with water by
changing chemical products of the reaction
decreasing the energy needed to complete the reaction
increasing the time needed for the reaction to occur
making the reaction reversible
43
Which of the following best describes an acquired trait of a cat?
eye color because it is passed on from the prior generation
fur length because it is passed on from the prior generation
chipped tooth, it develops during the organism's life
long tail, it develops during the life of the organism
44
What best describes the hind leg bones seen in the whale?
Homologous structures to the wings of butterflies
Vestigial structures that had a function in an ancestor
Fossil structures from an extinct ancestor
Analogous structures to the fins of living fish
45
Very few plants grow at the bottom of oceans. Which scenario best explains this observation?
increased competition
increased predation
decreased sunlight
decreased oxygen
46
A human is composed of trillions of cells. Which process directly causes this large number?
cell division
circulation
respiration
cell mutation
47
Which outcome is most likely a result of selective breeding?
the expression of favored genotypes
the formation of new genes
development of new ecosystems
an increase in natural selection
48
How can translocation affect chromosomes?
results in chromosomes having very different lengths.
can cause duplication of certain sections of chromosomes
can cause the exchange of genes between homologs
can result in failure of chromosomes to separate
49
Which energy transfer most likely occurs between organisms in the food web?
from rabbit to fox
from owl to fox
from sparrow to grass
from mouse to grasshopper
50
Which effect is most likely caused by nondisjunction during meiosis?
only two types of nitrogenous bases
increased survival benefits from traits
an extra chromosome
an increase in nuclei
51
Which scenario would lead to the most rapid evolution of a new species of beetle?
arandom mutation in one of the beetles
anonnative predator of the beetle being introduced
small group of beetles finding an area with new food sources
A geographic barrier separating two populations of beetle
52
Which transport mechanism requires both ATP and membrane proteins?
Osmosis
Facilitated Diffusion
Endocytosis
Sodium-Potassium Pump
53
Which of the following best describes one function of chloroplasts in a plant cell?
capture of solar energy
conversion of organic compounds into ATP
storage of wastes
regulation of water transport
54
Which statement best explains why these cells have structural differences?
One of the cells develops into the other type of cell.
The cells evolved in different organisms
The cells have different functions.
One of the cells is more primitive than the other cell.
55
The control in an experiment
allows a standard of comparison for the experimental group.
reduces experimental errors or inaccuracy
is an additional copy for statistical purposes
makes the experiment less valid
56
What must be transmitted to new DNA strands during replication to maintain genetic information?
the sequence of phosphates from existing DNA strands
individual atoms from existing DNA strands
the sequence of bases from existing DNA strands
individual sugars from existing DNA strands
57
Which trait is an acquired trait?
red hair
brown eyes
dimples
bruise
58
Cellulose is a polymer which contains repeating units of glucose bonded together.
Lipid
Nucleic Acid
Carbohydrate
Protein
59
Which list of events occurs during the interphase stage of the cell cycle?
the cytoplasm divides, creating two daughter cells
a new membrane begins to form around the chromatids
DNA replicates and proteins are produced
separation of sister chromatids
60
Which statement best explains why carbon is well suited for making macromolecules?
Carbon forms covalent bonds with other atoms
Carbon is the most abundant element in nature
Carbon has four electrons in its outer shell
Carbon can exist in a solid state at room temperature.
61
Fish,frogs, and plankton are found in a pond. Which characteristic do they have in common?
They make their own food
They require energy to live
They breathe air through their gills
They live only in water.
62
Which characteristic do mushrooms, cats, humans, and trees have in common?
They have cell walls
They have a backbone
They make their own food
They are multicellular
63
Changing a single base causes an error that affects the next 500 amino acids in a protein.
frame-shift mutation
silent mutation
substitution
point mutation
64
antibodies, hormones, and enzymes are examples of
carbohydrates
lipids
proteins
nucleic acids
65
Which answer correctly distinguishes between the following statements?
1: Inference 2: Observation 3: Theory 4: Fact
1: Observation 2: Inference 3: Fact 4: Hypothesis
1: Fact 2: Theory 3: Hypothesis 4: Observation
1:Theory 2: Hypothesis 3: Observation 4: Inference
66
Which statements describe a similarity & difference between cell respiration & photosynthesis?
statements 1 and 2
statements 1 and 4
statements 3 and 4
statements 2 and 3
67
Which two students correctly described organic compounds?
students 2 and 4
students 1 and 2
students 3 and 4
students 2 and 3
68
Which characteristic of life is best shown by this diagram?
An organism responds to changes in its environment.
Changes occur in an organism as it grows and develops.
An organism is made of one or more cells.
DNA is the genetic code in an organism.
69
Various bacteria, fungi, protozoans, vertebrates, & invertebrates all live in one common area.
biome
community
population
ecosystem
70
Genetic engineers designed corn with antifungal properties. How does this benefit farmers?
It increases the value of each acre of land cultivated.
It eliminates the processing needed to harvest corn
It lowers the cost of each acre of plants cultivated.
It makes each plant more resistant to disease.
71
Which mutation is the most likely to result in NO effect to the phenotype of a cell?
Nonsense (early stop codon)
Frame-Shift
Missense (one AA change)
Silent
72
What is the name of the variable changed on purpose in an experiment?
independent variable
controlled variable
control group
dependent variable
73
A species of flower has 5 petals. One individual has 3 petals. What event most likely caused it
low water levels in the soil surrounding the parent plants
DNA is inherited from two different parent plants
high temperatures during the flower production season
mutation in genetic code for petal number in the parents DNA
74
Which of the following is an example of an observation?
What time of day is best for finding a spider web?
A spider spins a web to catch its food.
A fly is caught in a spider web
Why does a spider spin a web?
75
Which statement best describes the function of transmembrane proteins in the plasma membrane?
They transport undigested material outside of the cell
They make the membrane impermeable to water
They provide channels of movement for ions and molecules.
They create a rigid barrier for the cell.
76
Which of the following is the original source of energy in any ecosystem?
sunlight
soil
plants
sugar
77
The graph represents changes to a trait. What most likely occurred at time 1?
An invasive species with a new allele entered the population
There was an increase in the population of mice
Natural selection caused a new trait to be beneficial
A mutation produced a new allele for the gene
78
Digestion in the stomach occurs at an acidic pH of 2. How can pH impact digestion?
The acidic pH alters the active sites of stomach enzymes
The acidic pH alters the substrate
The acidic pH facilitates absorption of food in the stomach
The acidic pH protects the stomach lining
79
Which cell structure is responsible for translating mRNA code into proteins?
Ribosomes
Golgi Apparatus
Nucleus
Smooth Endoplasmic Reticulum
80
How does the Golgi apparatus prepare proteins for use by an organism?
folds,processes, assembles, and stores proteins
sorts proteins and sends them to the appropriate destination
translates mRNA into proteins
Transcribes DNA into mRNA codons
81
Which statement best compares the energy transformations of photosynthesis and cell respiration
Only photosynthesis uses oxygen to create energy.
Only photosynthesis causes an increase in kinetic energy.
both require chemical energy to make food.
both store energy in chemical bonds.
82
Squirrels, separated by the Colorado River, became unique species.Which mechanism caused this?
geographic isolation
behavioral isolation
habitat preference
increased gene flow
83
Which statement describes the formation of a protein molecule?
Amino acids combine to form a protein chain.
Fatty acid monomers combine to form a protein chain
Fatty acid monomers dissolve to form a protein chain.
Amino acids dissolve monomers to form a protein chain.
84
The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?
the DNA sequence
the amount of pigment
the location of the gene
the allele

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