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Biology Keystone - Module B Flashcards | StudBud
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Biology Keystone - Module B
Biology Keystone - Module B
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Module 2 Review #biology #keystone
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Two species of frog live in the same area. Which is the best evidence for a common ancestor?
the species' physical characteristics
the species' similar diets
the species' mating behaviors
the species' similar habitats
2
Which scenario would lead to the most rapid evolution of a new species of beetle?
small group of beetles finding an area with new food sources
a random mutation in one of the beetles
a non-native predator of the beetle being introduced
A geographic barrier separating two populations of beetle
3
Humans, cats, and whales have similiar bone structure in the forelimb even though the function of the limb is different.
Vestigial
Biogeography
Analogous
Homologous
4
What must be transmitted to new DNA strands during replication to maintain genetic information?
the sequence of bases from existing DNA strands
individual sugars from existing DNA strands
individual atoms from existing DNA strands
the sequence of phosphates from existing DNA strands
5
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Microbes
Biotic factors
Vertebrates
Abiotic factors
6
Very few plants grow at the bottom of oceans. Which scenario best explains this observation?
decreased oxygen
increased competition
increased predation
decreased sunlight
7
Squirrels, separated by the Colorado River, became unique species. Which mechanism caused this?
habitat preference
geographic isolation
behavioral isolation
increased gene flow
8
What type of evidence does the presence of homologous structures in plants provide?
plants have evolved from a common ancestor
Only some plants are capable of photosynthesis
Insects and plants evolved around the same time
Some animals are more closely related to plants
9
Owl’s disk-shaped face helps direct sound waves into the owl’s ears, similar to a human ear without common ancestry.
Analogous
Homologous
Vestigial
Embryology
10
The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?
the location of the gene
the amount of pigment
the DNA sequence
the allele
11
Which description is the best example of a population?
all of the organisms in every forest
all of the organisms in a forest
all of the red foxes in every forest
all of the red foxes in a forest
12
Which describes translocation?
can result in failure of chromosomes to separate
deletion of whole chromosome
piece of one chromosome breaks off and attached to a differnt chromosome
duplication of certain sections of chromosomes
13
Which of the following is an example of an observation?
A spider spins a web to catch its food.
A fly is caught in a spider web
Why does a spider spin a web?
What time of day is best for finding a spider web?
14
Genetic engineers designed corn with antifungal properties. How does this benefit farmers?
It makes each plant more resistant to disease.
It eliminates the processing needed to harvest corn
It increases the value of each acre of land cultivated.
It lowers the cost of each acre of plants cultivated.
15
A human is composed of trillions of cells. Which process directly causes this large number?
respiration
cell division
cell mutation
circulation
16
Various bacteria, fungi, vertebrates, and invertebrates all live in one common area. How could you classify that area?
population
ecosystem
community
biome
17
Which energy transfer most likely occurs between organisms in the food web?
from owl to fox
from rabbit to fox
from mouse to grasshopper
from sparrow to grass
18
Which mutation is the most likely to result in no effect to the phenotype of a cell?
Nonsense
Silent
Frame-Shift
Missense
19
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
the daughter cells grow twice as fast
the daughter cells are larger
the daughter cells contain half the amount of DNA
daughter cells are diploid
20
Leopards live and hunt alone. What is most likely the primary value of living alone?
reduced competition for natural resources
decreased space needs for the species
greater genetic variability within the species
increased survival rates with habitat loss
21
Which effect is most likely caused by nondisjunction during meiosis?
only two types of nitrogenous bases
an increase in nuclei
an extra chromosome
increased survival benefits from traits
22
Which relationship best describes the interaction between ticks and the deer?
Commensalism
Parasitism
Mutualism
Competition
23
Changing a single base causes an error that affects the next 500 amino acids in a protein. What type of gene mutation?
nonsense mutation
substitution
silent mutation
frame-shift mutation
24
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
25
Which 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
26
The graph represents changes to a trait. What most likely occurred at time 1?
Founder effect occured & a small popualtion of mice inhabited a new area
There was an increase in the population of mice
A bottleneck event occured and there was a loss of diversity
A mutation produced a new allele for the gene
27
Which statement best describes how invasive plants can negatively affect 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.
can stop the life cycles of native herbivores.
28
Which outcome is most likely a result of selective breeding?
the expression of favored genotypes
an increase in natural selection
the formation of new genes
development of new ecosystems
29
A species of flower has 5 petals. One individual has 3 petals. What most likely caused it?
low water levels in the soil surrounding the parent plants
mutation in the gene code for petal number in parents' DNA
DNA is inherited from two different parent plants
high temperatures during the flower production season
30
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
