stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Duplicate of Module 2 Keystone Review Flashcards | StudBud
Explore
/
Duplicate of Module 2 Keystone Review
Duplicate of Module 2 Keystone Review
36 terms
·
StudBud Administration
·
28 plays
Module 2 Review
Flashcards
36 cards
F
Practice quiz
P
Host live
L
Questions
36
Answers
1
A human is composed of trillions of cells. Which process directly causes this large number?
cell mutation
circulation
respiration
cell division
2
What must be transmitted to new DNA strands during replication to maintain genetic information?
the sequence of phosphates from existing DNA strands
the sequence of bases from existing DNA strands
individual sugars from existing DNA strands
individual atoms from existing DNA strands
3
Which answer correctly distinguishes between the following statements?
1: Observation 2: Inference 3: Fact 4: Hypothesis
1: Inference 2: Observation 3: Theory 4: Fact
1: Fact 2: Theory 3: Hypothesis 4: Observation
1:Theory 2: Hypothesis 3: Observation 4: Inference
4
Whichmutation is the most likely to result in no effect to the phenotype of a cell?
Nonsense
Silent
Missense
Frame-Shift
5
Thepitcher plant and venus fly trap haveleaves that catch insects. Cacti have spines for leaves
Vagus
Homologous
Vestigial
Analogous
6
Which statement best describes how invasive plants can negatively affectsnative herbivores?
can attract other nonnative plants to the forest ecosystem.
can stop the life cycles of native herbivores.
can increase the flow of energy through the ecosystem.
can reduce the size of the native plant populations.
7
Which trait is an acquired trait?
brown eyes
red hair
dimples
bruise
8
Whichof the following best describes an acquired trait of a cat?
fur length because itis passed on from the prior generation
chipped tooth becauseit develops during the organism's life
long tail because itdevelops during the life of the organism
A.eye color because itis passed on from the prior generation
9
This owl’s disk-shaped face helps direct sound wavesinto the owl’s ears, similar to a human ear
Vestanologous
Homologous
Analogous
Vestigial
10
What happens to the unused organic matter at each trophic level within an energy pyramid?
It is lost as ATP to the environment
It is used by consumers to make more food
It is recycled by decomposers
It is absorbed by consumers
11
Changing a single base causes an error that affects the next 500 amino acids in a protein.
frame-shift mutation
silent mutation
substitution
nonsense mutation
12
Which term best describes the basic unit of inheritance passed from a parent to offspring?
traits
genotypes
phenotypes
genes
13
Which energy transfer most likely occurs between organisms in the food web?
from mouse to grasshopper
from rabbit to fox
from sparrow to grass
from owl to fox
14
How can translocation affect chromosomes?
can cause duplication of certain sections of chromosomes
can cause the exchange of genes between homologs
results in chromosomes having very different lengths.
can result in failure of chromosomes to separate
15
The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?
the amount of pigment
the DNA sequence
. the location of the gene
the allele
16
Which scenario would lead to the most rapid evolution of a new species of beetle?
anonnative predator of the beetle being introduced
arandom mutation in one of the beetles
small group of beetles finding an area with new food sources
A geographic barrier separating two populations of beetle
17
Genetic engineers designed corn with antifungal properties. How does this benefit farmers?
It lowers the cost of each acre of plants cultivated.
It increases the value of each acre of land cultivated.
It makes each plant more resistant to disease.
It eliminates the processing needed to harvest corn
18
Whichrelationship best describesthe interaction between ticks and the deer?
Parasitism
Commensalism
Mutualism
Competition
19
Which outcome is mostlikely a result of selectivebreeding?
development of new ecosystems
the formation of new genes
an increase in natural selection
the expression of favored genotypes
20
The graph represents changes to a trait. What most likely occurred at time 1?
Natural selection caused a new trait to be beneficial
A mutation produced a new allele for the gene
An invasive species with a new allele entered the population
There was an increase in the population of mice
21
Which list of eventsoccurs during the interphase stage of the cell cycle?
separation of sister chromatids
the cytoplasm divides, creating two daughter cells
a new membrane begins to form around the chromatids
DNA replicates and proteins are produced
22
Leopards live and hunt alone. What is most likely the primary value of living alone?
reduced competition for natural resources
greater genetic variability within the species
increased survival rates with habitat loss
decreased space needs for the species
23
A species of flower has 5 petals. One individual has 3 petals. What event most likely caused it
DNAis inherited from two different parent plants
hightemperatures during the flower production season
lowwater levels in the soil surrounding the parent plants
mutationin the gene code for petal number in the parents DNA
24
Two species of frog live in the same area. Which is the best evidence for a common ancestor?
the species' physical characteristics
the species' mating behaviors
the species' similar diets
the species' similar habitats
25
Very few plants grow at the bottom of oceans. Which scenario best explainsthis observation?
decreased sunlight
increased predation
decreased oxygen
increased competition
26
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Microbes
Biotic factors
Vertebrates
Abiotic factors
27
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
the daughter cells contain half the amount of DNA
daughter cells are diploid
the daughter cells are larger
the daughter cells grow twice as fast
28
Which description is the best example of a population?
all of the organisms in every forest
all of the red foxes in every forest
all of the red foxes in a forest
all of the organisms in a forest
29
Which of the following is anexample of an observation?
Aspider spins a web to catch its food.
Afly is caught in a spider web
Whattime of day is best for finding a spider web?
Whydoes a spider spin a web?
30
Whattype 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
31
Which location would most likelyhave an aye-aye population with the greatest genetic variation?
location 1
location 4
location 3
location 2
32
Which effect is most likely caused by nondisjunction during meiosis?
only two types of nitrogenous bases
increased survival benefits from traits
an increase in nuclei
an extra chromosome
33
Fertilization of anegg leads to a diploid genome. Which is true of a diploid cell?
There are two genes per allele
There are two chromosomes per allele
There are two genes per chromosome
There are 2 alleles per gene
34
Which of the following is theoriginal source of energy in any ecosystem?
sunlight
plants
sugar
soil
35
Squirrels, separated by the Colorado River, became unique species.Which mechanism caused this?
increased gene flow
behavioral isolation
habitat preference
. geographic isolation
36
Various bacteria, fungi, protozoans, vertebrates, andinvertebrates all live in one common area.
population
biome
community
ecosystem
