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Duplicate of Biology Keystone - Module B Flashcards | StudBud
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Duplicate of Biology Keystone - Module B
Duplicate of Biology Keystone - Module B
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Module 2 Review #biology #keystone
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
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?
2
Which statement best describes how invasive plants can negatively affectsnative herbivores?
can attract other nonnative plants to the forest ecosystem.
can reduce the size of the native plant populations.
can increase the flow of energy through the ecosystem.
can stop the life cycles of native herbivores.
3
A human is composed of trillions of cells. Which process directly causes this large number?
cell division
circulation
cell mutation
respiration
4
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
5
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Biotic factors
Microbes
Abiotic factors
Vertebrates
6
Various bacteria, fungi, vertebrates, and invertebrates all live in one common area.
population
ecosystem
biome
community
7
Leopards live and hunt alone. What is most likely the primary value of living alone?
increased survival rates with habitat loss
decreased space needs for the species
greater genetic variability within the species
reduced competition for natural resources
8
Which description is the best example of a population?
all of the organisms in a forest
all of the organisms in every forest
all of the red foxes in every forest
all of the red foxes in a forest
9
Which trait is an acquired trait?
brown eyes
red hair
bruise
dimples
10
Which answer correctly distinguishes between the following statements?
1: Fact 2: Theory 3: Hypothesis 4: Observation
1:Theory 2: Hypothesis 3: Observation 4: Inference
1: Observation 2: Inference 3: Fact 4: Hypothesis
1: Inference 2: Observation 3: Theory 4: Fact
11
Genetic engineers designed corn with antifungal properties. How does this benefit farmers?
It eliminates the processing needed to harvest corn
It makes each plant more resistant to disease.
It increases the value of each acre of land cultivated.
It lowers the cost of each acre of plants cultivated.
12
What must be transmitted to new DNA strands during replication to maintain genetic information?
individual atoms from existing DNA strands
individual sugars from existing DNA strands
the sequence of bases from existing DNA strands
the sequence of phosphates from existing DNA strands
13
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
14
A species of flower has 5 petals. One individual has 3 petals. What most likely caused it?
mutation in the gene code for petal number in parents' DNA
high temperatures during the flower production season
low water levels in the soil surrounding the parent plants
DNA is inherited from two different parent plants
15
Changing a single base causes an error that affects the next 500 amino acids in a protein.
substitution
nonsense mutation
frame-shift mutation
silent mutation
16
The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?
the amount of pigment
the location of the gene
the allele
the DNA sequence
17
Whichof the following best describes an acquired trait of a cat?
A.eye color 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
fur length because itis passed on from the prior generation
18
Which of the following is theoriginal source of energy in any ecosystem?
plants
soil
sugar
sunlight
19
Two species of frog live in the same area. Which is the best evidence for a common ancestor?
the species' similar diets
the species' mating behaviors
the species' habitat
the species' DNA similarities
20
Very few plants grow at the bottom of oceans. Which scenario best explains this observation?
decreased sunlight
decreased oxygen
increased predation
increased competition
21
Which term best describes the basic unit of inheritance passed from a parent to offspring?
phenotypes
genotypes
traits
genes
22
Which scenario would lead to the most rapid evolution of a new species of beetle?
arandom mutation in one of the beetles
small group of beetles finding an area with new food sources
anonnative predator of the beetle being introduced
A geographic barrier separating two populations of beetle
23
What type of evidence does the presence of homologous structures in animals provide?
Only some animals are related
Those animals evolved from a common ancestor
Some animals are more closely related to plants
Insects and plants evolved around the same time
24
Fertilization of anegg leads to a diploid genome. Which is true of a diploid cell?
There are two chromosomes per allele
There are two genes per allele
There are 2 alleles per gene
There are two genes per chromosome
25
What happens to the unused organic matter at each trophic level within an energy pyramid?
It is absorbed by consumers
It is recycled by decomposers
It is lost as ATP to the environment
It is used by consumers to make more food
26
Owl’s disk-shaped face helps direct sound waves into the owl’s ears, similar to a human ear
Vestigial
Homologous
Analogous
Vestanologous
27
The graph represents changes to a trait. What most likely occurred at time 1?
A mutation produced a new allele for the gene
There was an increase in the population of mice
An invasive species with a new allele entered the population
Natural selection caused a new trait to be beneficial
28
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
the daughter cells are larger
the daughter cells grow twice as fast
daughter cells are diploid
the daughter cells contain half the amount of DNA
29
Which outcome is mostlikely a result of selective breeding?
development of new ecosystems
the expression of favored genotypes
an increase in natural selection
the formation of new genes
30
Which effect is most likely caused by nondisjunction during meiosis?
only two types of nitrogenous bases
an extra chromosome
increased survival benefits from traits
an increase in nuclei
31
This location would most likely have an aye-aye population with the greatest genetic variation.
location 1
location 2
location 4
location 3
32
Squirrels, separated by the Colorado River, became unique species. Which mechanism caused this?
. geographic isolation
behavioral isolation
habitat preference
increased gene flow
33
Which relationship best describes the interaction between ticks and the deer?
Commensalism
Parasitism
Mutualism
Competition
34
How can translocation affect chromosomes?
can cause the crossing over
can cause duplication of certain sections of chromosomes
can result in failure of chromosomes to separate
results in chromosomes having very different lengths.
35
Which mutation is the most likely to result in no effect to the phenotype of a cell?
Frame-Shift
Nonsense
Missense
Silent
