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Just a theory 2022 Flashcards | StudBud
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Just a theory 2022
Just a theory 2022
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Quiz on natural selection and adaptaions #naturalselection #adaptaions #evolution
Flashcards
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Questions
20
Answers
1
A group of organisms that can produce fertile offspring
evolution
adaptation
population
species
2
The more DNA two organisms have in common, the more closely related they are.
False
True
3
Which trait is shared by the most organisms on this tree?
feathers
lungs
jaw
fur
4
Which is NOT true?
X is the common ancestor.
Snakes are in the tetrapod group.
Frogs and salamanders are closely related.
X is a tetrapod.
5
What is an inherited trait that increases an organisms chance of surviving and reproducing?
variation
adaptaion
Natural selection
evolution
6
The formation of a scientific theory is based on data and multiple fields of evidence.
True
False
7
__________________ adapt to their environment.
Populations
Animals
Individuals
Fittest
8
Eukaryotes were the first organisms on the planet.
True
False
9
Rock pocket mice are black because
a lava flow created black rock.
each individual adapts.
a mutation created dark fur.
they needed to be camouflaged.
10
Comparison between sea turtle and whale forelimb
vestigial structure
analogous structure
homologous structure
11
Which is part of natural selection?
not all individuals will survive environmental change
acquired traits can be passed to offspring
traits can be acquired during a lifetime
the environment forces organisms to change traits
12
Which is NOT an element of natural selection?
More offspring are produced than can survive
Favorable adaptations are selected and increase over time
Nature randomly selects who lives and who goes extinct
Individuals in populations are not exactly alike
13
What is the number one goal of an organism?
Be the fastest to out run competition
Have the flashiest traits
Survive and leave the most offspring
Gain poison to scare predators
14
Which is NOT a source of variation?
sexual reproduction
meiosis
mutations in gametes
environmental change
15
According to
Darwin
, why did the Galapagos finches have
different
beaks on the islands?
Difference in flight
Difference in defenses
Genetic mutation
Feeding habits and diet
16
Which layer is the oldest?
5
7
1
3
17
Comparison between butterfly wing and bat wing
analogous structure
vestigial structure
homologous structure
18
An inherited trait that is in reduced form compared to common ancestors
analogous structure
homologous structure
vestigial structure
19
A process by which favorable traits tend to increase in frequency over time is called
change over time
Natural selection
evolution
variation
20
Organisms can accumulate mutations to improve themselves.
True
False
