WorksheetsAnimals Through Time
Total questions: 14
Worksheet time: 7mins
Scientists found a whale fossil in the middle of the desert because…
whales live in the desert habitat.
whales used to live in the desert habitat
there used to be a lake in the middle of the desert habitat.
the desert habitat used to be an ocean
The green anoles are such good climbers because…
they like climbing trees.
they need to be able to climb to get food that is high up in the trees.
they need to be able to get away from brown anoles on the ground.
the green anoles that were poor climbers were more likely to get eaten by brown anoles, so they had fewer babies.
There are so many different varieties of dogs because…
people chose to breed dogs with traits they wanted.
dogs wanted to be different from each other.
dog babies (puppies) were different from their parents.
dogs have a lot of puppies.
Becky has light-colored skin. During the summer, sometimes her skin turns red if she stays in the sun too long.
Becky’s skin color is a trait she got from her parents.
Becky’s skin color changed because of her experience in the summer.
Both a and b.
A polar habitat today was always a polar habitat in the past.
True
False
We can learn about extinct animals by studying their fossils and comparing them to animals living today.
True
False
When habitats change, the kinds of animals and plants that live there change, too.
True
False
You take a trip to the local quarry. You walk all the way to the very bottom. At the bottom of the quarry you find the fossils shown in the image above. What kind of habitat do you think was in this location when these animals were alive?
Grassland
River
Ocean
Desert
What did dinosaurs eat? How do scientists know?
ate meat, some ate plants because of bones
ate meat, some ate plants because of teeth
ate meat because they are carnivores
ate plants because they are herbivores
How do scientists know that the footprints they found came from dinosaurs?
rocks
soil
fossils
leaves
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 of these are traits of living things?
Dimples on people’s faces
The shape of plants’ leaves
The color of birds’ wings
All of the above
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.
