2 organisms are both in the genus Peromyscus. Which conclusions can be made from the info.?

The two types of mice are closely related to each other.

Which explains why many different finch species originated from the single ancestral species?

Populations adapted to environmental pressures.

Which of the following selection pressures most likely produced the shift in frequency?

lack of vegetation at ground level

Which of the following is the best example of natural selection?

The toxin level in a popula. of poisonous frogs increases

Fossils typically provide evidence for evolution because

they show patterns of biological change

Which of the following would provide the best evidence to support the scientists’ conclusion?

The frequency of alleles for body size changed

Which is the most likely reason pyrethrin is no longer effective against some bedbugs?

more bed bugs w/ gene mutations coding for pyr. resistance

The percentage of very dark gray individuals will increase.

What is the primary information scientists use when comparing fossils with living organisms?

the physical characteristics of the fossilized organisms

Which explains why the sugar glider and the flying squirrel both have the ability to glide?

Both adapted to similar niches where gliding helped survival

Which characteristics is most useful when classifying a eukaryote into a kingdom?

the organism’s form and structure

A male responds to lights from females of his own species.

Whale fins and bat wings are anatomically similar. What does this suggest about the animals?

Whales and bats have common ancestry

Which best explains why this situation is not an example of evolution by natural selection?

Observed differences in plant height are not due to genetics

Which of the following examples best illustrates the process of evolution by natural selection?

population becomes immune to a disease over many generations

Which of the best explains the similar appearance of ichthyosaurs and dolphins?

They are both adapted to the same type of environments

What did scientists observe in the snake population as a result of the presence of the toads?

The average body length increased

Which of the following organisms are most closely related?

Asterias rubens and Asterias forbesi

Trap jaw increases the ants’ odds to survive & reproduce

Which observations would best show that two butterflies belong to the same species?

Butterflies mate with each other& produce fertile offspring.

Which provides the best evidence that chimps and rhesus monkeys come from a common ancestor?

They have similar genetic equences

Which conclusions about lions and tigers is best supported by this information?

Lions and tigers are two distinct species.

Which observations led scientists to conclude that the organisms are the same species?

The organisms mate and produce fertile offspring

Which provides the best evidence that 2 different animal species evolved from a common ancestor

They show similar features in embryonic development.

The forelimbs of a whale and an alligator have a similar structure, as shown below.

The whale and the alligator have a recent common ancestor.

Which of the following conclusions can be made from this information?

Buffalo & gazelle are more closely related than the zebra.

Which events most likely caused the changes in the coat color distribution in the population?

introduction of a predatory bird that finds prey by sight

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Evolution and Biodiversity MCAS

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MCAS Biodiversity and Evolution

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Questions 37

Answers

1
2 organisms are both in the genus Peromyscus. Which conclusions can be made from the info.?
The 2 types of mice can successfully interbreed w/ eachother
The two types of mice have the same fur color.
The two types of mice live in the same habitat.
The two types of mice are closely related to each other.
2
See the figure
A
D
B
C
3
Which explains why many different finch species originated from the single ancestral species?
Individuals got unique characteristics during their lives
Random mutation cause some individuals to get harmful traits
Recessive traits in populations were eliminated over time.
Populations adapted to environmental pressures.
4
Which of the following selection pressures most likely produced the shift in frequency?
competition with other species of tortoises with high shells
dry, hot weather conditions for several years
lack of vegetation at ground level
habitat changes that forced nesting sites farther inland
5
Which of the following is the best example of natural selection?
Human bone density increases due to sports participation
lifespan of a chimp is extended to 60 years in captivity
pop. size of giraffes changes over time due to immigration
The toxin level in a popula. of poisonous frogs increases
6
Fossils typically provide evidence for evolution because
they show patterns of biological change
they are millions of years old.
they supply good samples of RNA.
they exist in all types of rocks
7
Lobsters and spiders are both classified in the phylum Arthropoda. They are also in the same
family
class
genus
kingdom
8
which two organisms have an XIAP gene sequence most similar to that of humans?
Organisms 2 and 3
organisms 3 and 4
organisms 1 and 4
organisms 1 and 2
9
Which of the following would provide the best evidence to support the scientists’ conclusion?
The size of the bird eggs also increased over time.
the number of birds in the population had decreased
The frequency of alleles for body size changed
The birds with the largest body size were the males.
10
Which is the most likely reason pyrethrin is no longer effective against some bedbugs?
an increase in the range of locations where bedbugs live
An increase in cell receptors on bed bugs for pytherin
An increase in pesticide resistance of other bugs
more bed bugs w/ gene mutations coding for pyr. resistance
11
See the figure
Distribution of body color in the population will not change
The percentage of very dark gray individuals will increase.
Very light gray individuals will reproduce at a later age.
The body color in the population will mutate to black.
12
What is the primary information scientists use when comparing fossils with living organisms?
the types of minerals that formed the fossils
the physical characteristics of the fossilized organisms
the cause of death for the fossilized organisms
the size of the rocks that contained the fossils
13
Which explains why the sugar glider and the flying squirrel both have the ability to glide?
Both evolved at the same time in geologic history.
Both learned to glide by imitating the same kinds of bird
Both adapted to similar niches where gliding helped survival
Both interbred and blended their gene pools in the past.
14
Which characteristics is most useful when classifying a eukaryote into a kingdom?
how the organism moves
the organisms color and mass
how the organism feeds
the organism’s form and structure
15
See The figure
light signals change in pulse duration or frequency often
A male responds to lights from females of his own species.
The light signals are flashed only during mating season.
The male uses his lights to repel other species of males
16
Whale fins and bat wings are anatomically similar. What does this suggest about the animals?
Whales and bats have common ancestry
Whales and bats move in the same way.
Whales and bats have existed for the same amount of time.
Whales and bats were once adapted to the same environment.
17
Which best explains why this situation is not an example of evolution by natural selection?
Short plants aren't accumulating mutations as fast the tall
Observed differences in plant height are not due to genetics
differences insoil conditions don't affect all plants equal
short plants & tall plants are not isolated from each other.
18
Which of the following examples best illustrates the process of evolution by natural selection?
A group of species has common DNA sequences.
A man & woman have 10 children their lifetime.
A person with asthma has trouble breathing.
population becomes immune to a disease over many generations
19
According to the figure
C
A
B
D
20
The changes in the population are most likely the result of which of the following?
immigration
natural selection
exponential growth
genetic crosses
21
Which of the best explains the similar appearance of ichthyosaurs and dolphins?
They both have the same # of chromosomes
They are both adapted to the same type of environments
Dolphins reproduce using gametes, and so did ichthyosaurs.
Dolphins and ichthyosaurs are eukaryotic organisms
22
What did scientists observe in the snake population as a result of the presence of the toads?
The average body length increased
The average body length decreased
The entire population was killed by the toads.
The entire population became resistant to the toads.
23
See the figure
B
A
D
C
24
See the figure
survive and reproduce
store water in their stems
interbreed with other species
store nectar and pollen
25
Which of the following organisms are most closely related?
Ceanothus americanus and Lethocerus americanus
Ophiderma salamandra and Salamandra algira
Asterias rubens and Asterias forbesi
Bubulcus ibis and Xenicibis xympithecus
26
See the figure
Trap jaw increases the ants’ odds to survive & reproduce
The trap jaw increases the ants’ body mass.
The trap jaw allows the ants to eat only one kind of food.
The trap jaw is the ants’ only means of species recognition
27
In which of the following taxonomic levels are animals most closely related to one another?
order
phylum
genus
class
28
Which observations would best show that two butterflies belong to the same species?
Butterflies make a chrysalis and not a cocoon for metamorph.
Butterflies mate with each other& produce fertile offspring.
The butterflies share a habitat.
The butterflies pollinate the same flowers.
29
See the figure
the average of the snails
the size of the snails
the DNA of the snails
the diet of the snails
30
Which provides the best evidence that chimps and rhesus monkeys come from a common ancestor?
They have similar genetic equences
They exhibit similar behaviors
They live in similar habitats
They have similar nutritional needs
31
Which conclusions about lions and tigers is best supported by this information?
Lions and tigers evolved at different times
Lions and tigers are two distinct species.
Lions and tigers are adapted to different environments.
Lions and tigers are products of artificial selection.
32
Which observations led scientists to conclude that the organisms are the same species?
The organisms move in the same way.
The organisms are nocturnal and carnivorous.
The organisms mate and produce fertile offspring
The organisms live in the same habitat.
33
See the Figure
D
B
A
C
34
Which provides the best evidence that 2 different animal species evolved from a common ancestor
They have similar adult body shapes.
They live in similar environments.
They show similar features in embryonic development.
They have similar methods of locomotion
35
The forelimbs of a whale and an alligator have a similar structure, as shown below.
The whale & the alligator spend all their time in the water.
The whale and the alligator have a recent common ancestor.
The whale and the alligator evolved at the same time.
The whale & the alligator have the same method of locomotion
36
Which of the following conclusions can be made from this information?
The zebra and the gazelle belong to the same order.
Zebra & gazelle are more closely related than buffalo
Buffalo & gazelle are more closely related than the zebra.
The buffalo and the gazelle belong to the same genus
37
Which events most likely caused the changes in the coat color distribution in the population?
the immigration of a new rodent species
increase in the amount of leaf litter decomposed in the soil
introduction of a predatory bird that finds prey by sight
an increase in the birth rate for the mouse population

Evolution and Biodiversity MCAS Flashcards | StudBud