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WorksheetsAnimals Through Time
Total questions: 25
Worksheet time: 22mins
Scientists think there used to be an ocean in the middle of the United States because...
there is seaweed growing in Illinois.
they read a book that said so.
they found fossils of ocean animals underground.
the soil is salty.
There are so many different kinds of dogs because...
people mated dogs that had qualities people wanted and their babies had those qualities too.
the dogs want to be different from each other.
the babies are different from their parents.
dogs have a lot of babies.
The green anoles were such good climbers because...
they liked climbing trees.
people bred them that way.
they liked the insects high up in the trees better than the ones below.
they had more toe scales to get away from the brown anoles who aren't good climbers.
Animals with sharp, pointy teeth most likely eat...
meat or fish.
plants.
insects.
fruit.
Animals with flat teeth most likely eat...
meat or fish.
plants.
insects.
fruit.
An example of selection is breeding only iguanas that are blue in order to get the bluest iguana possible.
True
False
How do we know that dinosaurs looked like big reptiles?
They had similar skulls to reptiles.
The imprint fossils of dinosaur skin is scaly.
Dinosaurs laid eggs.
All of the above.
Which puppy belongs to the two parent dogs shown?
A
B
C
Would all of the puppies from these two parents look exactly the same?
Yes
No
Meerkats help one another survive by...
huddling around one another.
barking a warning to others.
snuggling to stay warm.
distracting predators.
True or False... A desert habitat today was always a desert habitat in the past
True
False
True or False...We can learn about extinct animals by studying their fossils and comparing them to animals living today.
True
False
Why are there so many different varieties of dogs?
dogs wanted to be different from each other
dogs have many puppies
people chose to breed dogs with traits they wanted
dog babies were different from their parents
True or False...All the kittens of 2 parent cats would look the same
True
False
When habitats change, the kinds of animals and plants that live there change, too.
True
False
Animals that live in groups are less likely to...
share their food
feel lonely
get eaten by predators
survive when their environment changes, like when it floods
Which traits changed for astronauts living in space?
Height and hearing
Freckles and hair color
Balance and muscle strength
Weight and skin color
Which is NOT an example of cause and effect?
When people exercise, their muscles get stronger
When people live in space, they get shorter.
When dogs are overfed, they gain weight.
When plants aren’t watered enough, they wilt.
What are fossils?
The remains of animals that lived a long time ago.
Bones left over from dead animals.
Teachers over the age of 60
Types of rocks buried in the ground.
What trait do these fossils have in common?
They are all fish.
They all have fins.
They all can be found in water.
Which do you think this skull belonged to?
plant eater
meat eater
Why can you do more push ups in space?
There is more gravity in space.
In space there is less gravity.
In space you are stronger.
Keeping your balance in space would be harder in space than on earth.
True or False?
TRUE
FALSE
Space can be dangerous because their is NO air and temperatures can be extremely hot or extremely cold.
True or False
TRUE
FALSE
After staying a year in space, astronaut Scott Kelly came back with more muscles.
True or False?
TRUE
FALSE
