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WorksheetsU1M3 Fast and Curious: Evidence of Evolution
Total questions: 18
Worksheet time: 9mins
a human or animal that lived in the past from which others have developed
predator
internal
external
ancestor
record of all the fossils ever discovered on Earth
fossil record
geologic time scale
historical record
geologic record
a chart that divides Earth’s history into different time units based on changes in the rocks and fossils
earth history
fossil record
geologic time scale
historical time scale
event that occurs when the last individual organism of a species dies
extraction
extinction
evolution
eradication
a fossil that has characteristics of both ancestral organisms and organisms that evolved later
fossil
transitional fossil
index fossil
fossil mold
the study of similarities and differences among structures of different species
comparative anatomy
transitional fossil
embryology
vestigial structure
body parts of organisms that are similar in structure and position but different in function
vestigial structure
analogous structures
homologous structures
heterologous structure
body parts of organisms that are similar in function but different in structure
vestigial structure
analogous structures
homologous structures
heterologous structure
body parts of organisms that has lost its original function through evolution
vestigial structure
analogous structures
homologous structures
heterologous structure
the science of the development of embryos from fertilization to birth.
physiology
embryology
biology
geology
a group of living organisms consisting of similar individuals capable of exchanging genes
breed
group
family
species
A bat wing and a butterfly wing are both used for flying but they are made differently. What type of structure is this?
Homologous structure
Analogous structure
Vestigial structure
Fossil structure
A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?
Homologous structures
Analogous structures
Vestigial structures
Fossil structures
When comparing the DNA of two different organisms, the more differences in the DNA base pairs the more-
Closely related they are.
Distantly related they are.
It doesn't prove anything.
They look alike.
Which of the pictures above would be examples of homologous structures? (pick 2)
1
2
3
What type of evidence is shown with the diagram above?
Molecular
Anatomical
Embryological
Fossil
The similarities of bone structure in the diagram provide evidence of what?
The organisms probably use there forelimbs for the same thing.
The organisms evolved from a common ancestor.
The organisms have the same DNA.
All vertebrate species have identical forelimbs.
Analogous Structure
Same function different structure
Homologous Structure
Same structure different function
Comparative Embryology
Comparing embryological development of different species
Biochemical Evidence
Comparing DNA and amino acid sequences of different species
Vestigial Structures
Structures in the body of an organism that no longer work.
