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WorksheetsScience Test 2 Review
Total questions: 12
Worksheet time: 18mins
What is an adaptation?
A thin feeler on the head of an animal like a crayfish.
Any structure or behavior of an organism that allows it to survive in its environment.
A hard outer shell that covers the main part of the body of an animal.
An animal that eats only animals.
What is one adaptation that you learned about?
Snakes have strong muscles to slither across the ground
Crayfish don't have any adaptations
Crayfish have strong pincers to protect themselves
Some animals use camouflage to hide themselves
Some animals lay thousands of eggs so they have a better chance at having offspring that survive
Some animals lay a huge number of eggs…
So enough survive and grow into adults
Because they like having big families
So the babies will have brothers and sisters to play with
Because they want other animals to have plenty of food to eat
How can a structural (part of an animal’s body) adaptation help the animal survive?
It can provide protection from predators.
It doesn't help, it is there for no reason.
It can help them get food, build shelter, and stay safe.
It can help them reproduce more offspring.
The structural adaptations are only on plants, not animals.
Chameleons can change color to hide from predators. Snails pull their soft parts into their hard shells when they sense nearby danger. They can do this because …
Their parents taught them how to survive
They inherited these behaviors from their parents
They like to play hide and seek with predators
They think about the best way to hide from predators
In class we learned that crayfish often hide under rocks so predators won’t see them. Frogs hide under lily pads during the day. The most likely reason frogs hide under lily pads is that...
They don’t like sunlight
They find food to eat there
They are protected from predators
They see better in dark places
About 100 years ago, farmers on a few islands in Hawaii brought mongooses from Asia to kill the many rats in their sugarcane fields. Which is the best advice for farmers on other Hawaiian islands who are thinking about controlling rats with mongooses?
It is a bad idea. Mongooses are active during the day and rats are active at night.
It is a great idea. Mongooses love to eat rats. Then you will have fewer rats.
It is a bad idea. Mongooses are not native to Hawaii and might eat animals other than rats, too.
It is a great idea. Mongooses live under the ground, so you won’t see them often.
Which of the following would you find on a tundra?
Prairie dogs
American Bison
Arctic foxes
Coral reefs
What does the word invasive mean?
Native to the environment
Not native and dangerous to the environment
Native and helpful to the environment
An adaptation an animal has
True or false? Invasive species change ecosystems all across the world.
True
False
We learned about the Emerald Ash Borer. The Emerald Ash Borer is an invasive species. Where do they lay their eggs?
In the ground
On top of tree leaves
Under the bark of Ash Trees
In the roots of the Ash Trees
What can humans do to stop the spread of invasive species?
Keep the environment clean
Clean your boats and cars when you travel new places
Put your old fish in a lake so they can survive
Take plants from other environments and plant them in your yard
Use scientific resources to read more and educate others about invasive species
