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Evolution Quiz - Online Learning Flashcards | StudBud
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Evolution Quiz - Online Learning
Evolution Quiz - Online Learning
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Online learning 7th grade evolution quiz State of Florida
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Using fossil evidence, scientists have come to believe that species have changed over time. What is this called?
variation
natural selection
adaptation
evolution
2
Which of the following is an example of an adaptation that would help an organism survive in their ecosystem?
A white squirrel that lives in a dense forest of evergreen trees.
A plant in the desert that needs a lot of water
A white rabbit in the Arctic
A brown lizard in a brightly colored ecosystem.
3
During the early stages of their development, pigs and chickens look very similar(embryology) This is evidence of what?
The two animals evolved from different ancestors
The two animals are not related
The two animals have the exact same DNA.
The two animals evolved from a common ancestor
4
The method of getting desired traits by breeding two individuals is an example of which of the following?
Adaptation
Artificial Selection
Transitional Genetics
Natual Selection
5
Why do species overproduce, or create a lot of offspring?
No one knows.
Baby animals are cute.
Most of the offspring will not survive.
Most species do not overproduce.
6
Species with ___________ genetic variation, survive more environmental changes.
Higher
Huh, what was the question? I wasn't paying attention.
No
Lower
7
What is a scientific theory?
A well tested explanation for how something works.
An absolute truth.
A best guess about something.
The same as a hypothesis
8
Why did the finches on the Galapagos Islands have beak evolution?
the number of individuals in the population
random mutations
the types of food available of each island
the climate of the islands
9
The number of Fl. panthers has gone down. If this continues, the panthers will all die off, this is called ___________.
endangered
extinct
threatened
none of the above - they are fine
10
A random mutation will become an adaptation if it helps the species survive and reproduce.
False
True
11
Which of the following terms refers to a trait that helps an organism survive and reproduce?
Loki and Kaia
adaptation
mutation
selection
12
Which of the following statements describes the process of natural selection?
Species have inherited traits adapted to their environment survive longer
Farmers select animals with desirable variations for breeding
New species are formed via genetic engineering
Populations sharing the same gene pool interbreed and create new species
13
Fossil Records
A file cabinet filled with fossils.
Songs that were written by fossils.
All life based on tracked fossils.
14
What is a scientific theory?
It is supported by a large body of evidence.
An explanation based on observations, experimentation, and reasoning.
All of these answer choices are correct.
It has been thoroughly tested and does not conflict with existing results
15
What do you call the differences in the species that allowed them to better fit into their environment?
Adaptations
Artificial Selection
Nothing, Nothing can save them
Mutations
16
A species could go extinct if:
food becomes more plentiful.
the environment changes drastically and the species cannot adapt.
there is less competition for resources.
members of the species have adaptations to enhance survival.
17
What is the definition of an adaptation?
A long strawlike mouth
Anything that improves an organism's chances for survival
Making waves along their bellies
Blending in
18
Some individuals have traits that make them bettersuited for their surroundings. What happens to these traits with time?
The traits become weaker and less dominant.
The number of offspring will remain the same.
The trait will become more common among offspring.
These traits begin to disappear.
19
To observe natural selection's effects on a population, which of these must be true?
A researcher must see the change happening over the life of an organism.
Members of the population must increase or decrease the use of their legs
There can be no harmful mutations in the population.
Changes must happen over generations rather than in the lifetime
20
Which of the following is the
main
reason that species go extinct?
Climate Change
Inability to adapt
Over hunting
Overpopulation
21
In order for a trait or characteristic to be considered “favorable” it must improve the individual’s ability to:
acquire shelter
produce healthy offspring
acquire food
survive
22
Why would mouth shape change as a species evolves?
The climate is different
To become a better swimmer
Its diet gradually changed as the species evolved.
To allow predators to hunt it easier
23
Which of the following conclusions can be fairly drawn based on the fossil record shown?
The number of digits (toes) decreased.
As they evolved, the horses became smaller.
The bones did not change, ehich means they looked the same as present day.
The horses hair became thinner over time.
24
Why would a species not change over long periods of time?
Low or long reproductive times
Humans don't destroy anything they touch
They may live in a protected environment that has not changed.
The DNA is too complex to change
25
A population of bears has been declining. Scientists decide to classify them in a category that means the least danger..
Endangered
Extinct
Threatened
He's sooooo cute!!!!
