WorksheetsEvolution
Total questions: 23
Worksheet time: 1hrs 9mins
Who do we credit for the Theory of Evolution?
(a)
A lion has 5 cubs. Due to limited resources, only 3 cubs survive. This is called...
Selection
Genetic variation
Overproduction
Adaptation
Birds with large beaks live longer in forest environments. Is this an example of natural or artificial selection?
Natural
Artificial
Dog breeders are an example of ______ selection.
Natural
Artificial
Bears changing over time to adapt to their environment is...
Natural selection
Artificial selection
The bones found in cat legs are similar to the bones found in human arms. Which type of evidence is this an example of?
Common structures
Similar DNA
Developmental similarities
Artificial selection
Which layer contains the oldest fossils?
A
B
C
D
Sarah finds two fossils. Fossil A is found 8 feet below the ground's surface while fossil B is found 5 feet below the ground's surface. Which fossil can Sarah conclude is the most recently formed?
Fossil A
Fossil B
Scientists have found that organisms with a backbone typically have a tail-like structure in the womb. This is an example of...
Common structures
Similar DNA
Developmental similarities
Adaptation
Humans and cats share about 90% of the same genetic code. Humans and fruit flies share about 60% of the same genetic code. Based on this information, humans are more closely related to which organism?
Fruit flies
Cats
What type of evidence is shown here?
Similar DNA
Common structures
Developmental similarities
Natural selection
What type of evidence is shown here?
Common structures
Developmental similarities
Adaptation
Similar DNA
True or false: all mutations are harmful.
True
False
According to this data, the unknown bacterial species is most closely related to:
Species I
Species II
Species III
Species IV
Why is the mouse population changing over time?
The light mice can survive and reproduce more successfully than the dark mice
The dark mice can survive and reproduce more successfully than the light mice
The hawks eat more dark mice than light mice because the dark mice taste better
The hawks eat more dark mice than light mice because they can see the dark mice more easily
