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Keystone Review - Part 2 (24-25)
Keystone Review - Part 2 (24-25)
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Module 2 Review (Units 5, 6, 7 & 8)
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Which list of events occurs during the interphase of the cell cycle?
the cytoplasm divides, creating two daughter cells
DNA replicates and proteins are produced
separation of sister chromatids
a new membrane begins to form around the chromatids
2
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
daughter cells are diploid
the daughter cells are larger
the daughter cells grow twice as fast
the daughter cells contain half the amount of DNA
3
Which trait is an acquired trait?
brown eyes
bruise
dimples
red hair
4
Which of the following best describes an acquired trait of a cat?
long tail because it develops during the life of the cat
A.eye color because itis passed on from the prior generation
chipped tooth because it develops during the organism's life
fur length because itis passed on from the prior generation
5
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 organisms in a forest
all of the red foxes in a forest
6
What type of evidence does the presence of homologous structures in plants provide?
Some animals are more closely related to plants
plants have evolved from a common ancestor
Insects and plants evolved around the same time
Only some plants are capable of photosynthesis
7
Which energy transfer most likely occurs between organisms in the food web?
from mouse to grasshopper
from rabbit to fox
from owl to fox
from sparrow to grass
8
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 habitats
the species' similar diets
the species' mating behaviors
9
A human is composed of trillions of cells. Which process directly causes this large number?
cell division
circulation
respiration
cell mutation
10
Which relationship best describes the interaction between ticks and a deer?
Parasitism
Competition
Mutualism
Commensalism
11
What must be transmitted to new DNA strands during replication to maintain genetic information?
individual atoms from existing DNA strands
the sequence of phosphates from existing DNA strands
individual sugars from existing DNA strands
the sequence of bases from existing DNA strands
12
Which answer correctly distinguishes between the following statements?
1: Fact 2: Theory 3: Hypothesis 4: Observation
1: Inference 2: Observation 3: Theory 4: Fact
1:Theory 2: Hypothesis 3: Observation 4: Inference
1: Observation 2: Inference 3: Fact 4: Hypothesis
13
Various bacteria, fungi, protists, vertebrates, and invertebrates all live in one common area.
ecosystem
biome
community
population
14
Changing a single base causes an error that affects the next 500 amino acids in a protein.
substitution
silent mutation
frame-shift mutation
nonsense mutation
15
Very few plants grow at the bottom of oceans. Which scenario best explains this observation?
decreased sunlight
decreased oxygen
increased predation
increased competition
16
Which mutation is the most likely to result in no effect to the phenotype of a cell?
Frame-Shift
Missense
Nonsense
Silent
17
The graph represents changes to a trait. What most likely occurred at time 1?
An invasive species with a new allele entered the population
Natural selection caused a new trait to be beneficial
There was an increase in the population of mice
A mutation produced a new allele for the gene
18
A species of flower has 5 petals. One individual has 3 petals. What event most likely caused it
mutationin the gene code for petal number in the parents DNA
lowwater levels in the soil surrounding the parent plants
DNAis inherited from two different parent plants
hightemperatures during the flower production season
19
Which statement best describes how invasive plants can negatively affect native herbivores?
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.
can increase the flow of energy through the ecosystem.
20
Which of the following is an example of an observation?
What time of day is best for finding a spider web?
A fly is caught in a spider web
A spider spins a web to catch its food.
Why does a spider spin a web?
21
Squirrels, separated by the Colorado River, became unique species.Which mechanism caused this?
increased gene flow
behavioral isolation
habitat preference
. geographic isolation
22
Which of the following is the original source of energy in any ecosystem?
soil
plants
sunlight
sugar
23
Which effect is most likely caused by nondisjunction during meiosis?
an increase in nuclei
increased survival benefits from traits
an extra chromosome
only two types of nitrogenous bases
24
Genetic engineers designed corn with anti-fungal properties. How does this benefit farmers?
It increases the value of each acre of land cultivated.
It makes each plant more resistant to disease.
It lowers the cost of each acre of plants cultivated.
It eliminates the processing needed to harvest corn
25
Similar anatomical features that serve different functions are __ structures
Vestigial
Analogous
Homologous
Vagus
26
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Biotic factors
Vertebrates
Abiotic factors
Microbes
27
Which term best describes the basic unit of inheritance passed from a parent to offspring?
genotypes
phenotypes
traits
genes
28
An owl’s disk-shaped face helps direct sound waves into the owl’s ears, similar to a human ear
Homologous
Vestanologous
Vestigial
Analogous
29
What happens to the unused organic matter at each trophic level within an energy pyramid?
It is recycled by decomposers
It is used by consumers to make more food
It is lost as ATP to the environment
It is absorbed by consumers
30
Fertilization of an egg leads to a diploid cell. Which is true of a diploid cell?
There are two genes per chromosome
There are two chromosomes per allele
There are 2 alleles per gene
There are two genes per allele
31
Leopards live and hunt alone. What is most likely the primary value of living alone?
greater genetic variability within the species
decreased space needs for the species
reduced competition for natural resources
increased survival rates with habitat loss
32
Which outcome is most likely a result of selective breeding?
development of new ecosystems
an increase in number of favored genotypes
the formation of new genes
an increase in natural selection
