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WorksheetsEvidences Of Natural Selection
Total questions: 20
Worksheet time: 3hrs 55mins
A bird's wing and a butterfly's wing have the same function, but they have very different structures. These structures are classified as follows:
homologous structures
analogous structures
vestigial structures
The diagram below shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
Fossil 1 and 3 are the same age.
Fossil 2 is older than fossil 3.
Fossil 4 is older than fossil 3.
Evolutionary biologists say that similarities between different species are evidence of which of the following?
Organs shrinking and losing their function
Formation of the first cell in an organic soup
The presence of a common ancestor in a species
What does these image depict?
Vestigial Structures
Fossils
Adaptations
Structures that appear to have lost size and function over the proposed evolutionary history of an organism are called ________________.
homologous structures
analogous strucutres
vestigial structures
Remains of ancient organisms are called
Extinctions
Fossils
Mutations
What does this image suggest?
Law of Superposition
Specations
Common ancestor
Two organisms that are closely related would have
very similar DNA sequence
exactly the same DNA sequences
no proteins in common
This picture is an example of
homologous structures
embryological similarities
analogous structures
bones, homologous structures, analogous structures, vestigial structures
anatomy
biochemistry
fossils
The seasonal movement of an organism from one place to another
camouflage
migration
hibernation
An inherited trait that helps those organisms that have it to survive
niche
structure
adaptation
Beak shape depends on...
where birds live
who they hang out with
diet (fish or seeds)
Which feature helps an animal hide from other animals?
looking like a dangerous animal
being the same color as the place it lives (camoflauge)
having sharp claws or a strong shel
The polar bear's white fur allows it to hide in the cold arctic. This adaptation is called________________.
White on white
Camouflage
Color matching
Some male birds perform elaborate dances in order to attract females. This is an example of _______.
camouflage
insight
courtship
A dormant state that occurs in the life of some animals during hot, dry periods. Breathing, heartbeat and other processes slow down which decrease the amount of water they need.
Migration
Hibernation
Estivation
An adaptation that involves a period of inactivity in which an animal's body temperature, heart rate and breathing rate slow down to conserve energy.
Migration
Hibernation
Estivation
