Science Unit 1

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

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Kayla went swimming so she could see sharks and sea turtles. When she started swimming, she saw many tree trunks on the ocean floor. What kind of habitat do you think was in this location a long time ago?

• forest

• grassland

• ocean

• desert

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What evidence do scientists have that makes them think that dinosaurs looked like big reptiles on the outside?

• they both have tails

• their skulls have holes on the sides

• they can lay eggs

• all of the above

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Why are there so many different kinds of dogs?

• dogs have lots of puppie

• puppies are different from their parents

• dogs wanted to be different from each other

• people chose to breed dogs with traits they wanted

What happened to the green anoles when the brown anoles arrived on Lizard Island?

• they climbed up trees to escape the brown anoles

• they ate all the brown anoles

• they bred to create green-brown anoles

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Which green anoles were most likely to be caught by the brown anoles?

• the slow ones

• the ones with fewer sticky toe pads who were not as good at climbing

• the ones with lots of sticky toe pads who were good climbers

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Why is the group of baby green anoles better climbers than the group of parent green anoles?

• the baby green anoles have more sticky toe pads because their parents were better climbers to escape the brown anoles

• they have less sticky toe pads

• the baby green anoles have more sticky toe pads because their parents were not so good climbers to escape the brown anoles

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Animals that live in groups are less likely to...

• share food

• feel lonely

• get eaten by predators

• survive when their environment changes, like when it floods

Which is an example of how living in a group can help animals get food?

• Penguins huddle together to stay warm in winter.

• Seagulls scavenge for food in city trash cans.

• Adult dolphins swim in a group around their calves.

• Bees in a hive make honey for their larvae to eat

Which is an example of how living in a group can provide protection?

• One meerkat keeps lookout while the rest of the group collects food.

• Monkeys shout an alarm call if they see a leopard, and all other monkeys in the group run into the trees.

• Elephants form a circle around their calves to protect them from lions

• all of the above