Classification & Evolution Test
Bank
Start
About This Quiz
This 'Classification & Evolution test bank' assesses understanding of species classification,
natural selection, and evolutionary processes. It includes questions on species interbreeding,
autotroph advantages, and survival traits in changing environments, relevant for students
studying biological evolution.
Classification & Evolution Test Bank - Quiz
Questions and Answers
When comparing 2 populations of animals, which statement most likely indicates that they are
the same species?
They produce fertile offspring.
They inhabit the same general area.
Their outward appearance is similar.
They consume the same type of diet.
,2.
What characteristic of early autotrophs gave them an advantage over early heterotrophs?
They ate heterotrophs.
They produced spores.
They made their own food.
They reproduced asexually.
Correct Answer
A. They made their own food.
Explanation
Early autotrophs had an advantage over early heterotrophs because they were capable of
producing their own food through photosynthesis or chemosynthesis. This ability allowed them
to synthesize organic molecules, such as glucose, using energy from sunlight or inorganic
compounds. In contrast, early heterotrophs relied on consuming other organisms or organic
matter for their energy and nutrient requirements. By being able to produce their own food,
autotrophs were not dependent on finding and consuming other organisms, which provided
them with a competitive advantage in environments where resources were limited.
Rate this question:
3.
Which example best illustrates the process of natural selection?
, Giraffe necks varied in length, and all offspring had an equal chance of survival.
Giraffe necks varied in length, and the shorter-necked giraffes were at a disadvantage.
Giraffes with short necks migrated to locations best suited for their neck lengths.
Giraffes stretched their necks to reach for food, and resulting offspring had longer necks.
Correct Answer
A. Giraffe necks varied in length, and the shorter-necked giraffes were at a disadvantage.
Explanation
The example that best illustrates the process of natural selection is when giraffe necks varied in
length, and the shorter-necked giraffes were at a disadvantage. This is because natural selection
involves the survival and reproduction of individuals with traits that are better suited to their
environment. In this case, the giraffes with shorter necks are less able to reach food and
therefore have a lower chance of survival and reproduction compared to giraffes with longer
necks. Over time, this leads to the prevalence of longer-necked giraffes in the population, as
they have a higher chance of passing on their genes.
4.
Most male crickets produce a mating song by rubbing together their curved wings. In a certain
geographic area, parasitic flies detected male crickets singing and deposited their larvae into
them, which killed the crickets. Eighteen generations later, the number of males with flat wings
has increased to 90%. The flat-winged crickets do not sing, but are still able to mate with
Bank
Start
About This Quiz
This 'Classification & Evolution test bank' assesses understanding of species classification,
natural selection, and evolutionary processes. It includes questions on species interbreeding,
autotroph advantages, and survival traits in changing environments, relevant for students
studying biological evolution.
Classification & Evolution Test Bank - Quiz
Questions and Answers
When comparing 2 populations of animals, which statement most likely indicates that they are
the same species?
They produce fertile offspring.
They inhabit the same general area.
Their outward appearance is similar.
They consume the same type of diet.
,2.
What characteristic of early autotrophs gave them an advantage over early heterotrophs?
They ate heterotrophs.
They produced spores.
They made their own food.
They reproduced asexually.
Correct Answer
A. They made their own food.
Explanation
Early autotrophs had an advantage over early heterotrophs because they were capable of
producing their own food through photosynthesis or chemosynthesis. This ability allowed them
to synthesize organic molecules, such as glucose, using energy from sunlight or inorganic
compounds. In contrast, early heterotrophs relied on consuming other organisms or organic
matter for their energy and nutrient requirements. By being able to produce their own food,
autotrophs were not dependent on finding and consuming other organisms, which provided
them with a competitive advantage in environments where resources were limited.
Rate this question:
3.
Which example best illustrates the process of natural selection?
, Giraffe necks varied in length, and all offspring had an equal chance of survival.
Giraffe necks varied in length, and the shorter-necked giraffes were at a disadvantage.
Giraffes with short necks migrated to locations best suited for their neck lengths.
Giraffes stretched their necks to reach for food, and resulting offspring had longer necks.
Correct Answer
A. Giraffe necks varied in length, and the shorter-necked giraffes were at a disadvantage.
Explanation
The example that best illustrates the process of natural selection is when giraffe necks varied in
length, and the shorter-necked giraffes were at a disadvantage. This is because natural selection
involves the survival and reproduction of individuals with traits that are better suited to their
environment. In this case, the giraffes with shorter necks are less able to reach food and
therefore have a lower chance of survival and reproduction compared to giraffes with longer
necks. Over time, this leads to the prevalence of longer-necked giraffes in the population, as
they have a higher chance of passing on their genes.
4.
Most male crickets produce a mating song by rubbing together their curved wings. In a certain
geographic area, parasitic flies detected male crickets singing and deposited their larvae into
them, which killed the crickets. Eighteen generations later, the number of males with flat wings
has increased to 90%. The flat-winged crickets do not sing, but are still able to mate with
