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WorksheetsBiological Evolution 3rd Grade Unit 4
Total questions: 19
Worksheet time: 18mins
An ecosystem is made up of
biotic factors
abiotic factors
forests
both abiotic and biotic factors
Animals, plants, and bacteria are examples of
biotic factors
abiotic factors
variations
adaptations
Sunlight, air, and water are examples of
biotic factors
variations
adaptations
abiotic factors
How can an organism respond to a change in the ecosystem?
It can move to a new place.
It can adapt to the change.
It can die and become extinct.
All of the above
Fossils form in what type of rock?
igneous
metamorphic
sedimentary
casts
A fly in hardened amber is an example of
mineralization
preservation
imprint
cast
Dinosaur tracks are what type of fossil?
imprint
cast
preservation
mineralization
An woolly mammoth is frozen in a sheet of ice. This is an example of
mineralization
preservation
imprint
cast
When minerals replace the hard structures and leaves behind a 3D fossil, this is called
imprint
mineralization
preservation
molds
When an organism decomposes and leaves behind an empty space, it also leaves behind a ____________ of what it used to look like.
cast
imprint
photo
adaptation
The place where an organism lives
ocean
forest
habitat
ecosystem
Fossils at the top of a cliff will be _____________ than the fossils at the bottom.
younger
older
the same age
dead
Fossils at the bottom of a cliff will be _____________ than the fossils at the top.
younger
older
the same age
dead
What do we know about an environment where palm leaf fossils are found?
It once was a very warm and moist environment.
It once used to be very cold and snowy there.
It once was covered in ocean.
We cannot conclude anything about this environment.
If an organism dies, and leaves behind an imprint, this is an example of a
cast
mold
bone
variation
Which is a mold?
Water temperature is what type of factor?
biotic
abiotic
What is the variation in corals?
They are prettier.
They are bigger.
They prefer different temperatures.
They are different colors.
A spike in water temperature will cause the coral population to
decrease
increase
stay the same
