VIDEO
Which animal was #10 on the countdown? A. Hippopotamus
B. Cape buffalo
C. Elephant
D. Crocodile
Cape buffalo
Where do cone snails often live?
A. In cold mountain lakes
B. Around coral reefs and sandy areas
C. In rivers
D. Underground
Around coral reefs and sandy areas
What do hippos mostly eat?
A. Fish
B. Grass
C. Small animals
D. Insects
Grass
Why can a box jellyfish be difficult to see in the water?
A. It hides under rocks.
B. Its body is pale and almost transparent.
C. It only comes out at night.
D. It covers itself with sand.
Its body is pale and almost transparent.
Which mosquitoes bite people and animals?
A. Only male mosquitoes
B. Only female mosquitoes
C. All mosquitoes
D. Only baby mosquitoes
Only female mosquitoes
Which animal was described as the largest living lizard?
A. Crocodile
B. Komodo dragon
C. Cape buffalo
D. Elephant
Komodo dragon
What does a cone snail use to inject venom?
A. Its tentacles
B. Its claws
C. A harpoon-like tooth
D. Its tail
A harpoon-like tooth
What does the name hippopotamus mean?
A. Water giant
B. River horse
C. Big mouth
D. Water cow
River horse
Why is it called a box jellyfish?
A. It lives inside small caves.
B. Its bell has a box-like shape.
C. Its tentacles form a square.
D. It travels in groups of four.
Its bell has a box-like shape.
Why do female mosquitoes take a blood meal?
A. To produce their eggs
B. To learn to fly
C. To stay warm
D. To build a nest
To produce their eggs
Which animal can be difficult to see because it floats almost invisibly in the water?
A. Cone snail
B. Saltwater crocodile
C. Box jellyfish
D. Mosquito
Box jellyfish
What can the venom do to the cone snail's prey?
A. Make it grow
B. Stop it from moving
C. Help it breathe
D. Change its color
Stop it from moving
When can hippos become aggressive?
A. When they feel threatened or something enters their territory
B. When they are eating grass
C. Only at night
D. Only when they are in water
When they feel threatened or something enters their territory
What are the tiny cells in its tentacles used for?
A. Producing light
B. Helping it swim
C. Releasing venom
D. Breathing underwater
Releasing venom
Which of these diseases can mosquitoes spread?
A. Malaria and dengue
B. Chickenpox and measles
C. The common cold
D. Strep throat
Malaria and dengue
Why did the video call the mosquito so dangerous?
A. It has a powerful bite.
B. It attacks in large groups.
C. It spreads diseases such as malaria, dengue and Zika.
D. It has venom.
It spreads diseases such as malaria, dengue and Zika.
Which of these can cone snails eat?
A. Only plants
B. Worms, other snails, or small fish
C. Only insects
D. Large mammals
Worms, other snails, or small fish
How do hippos often move through water?
A. They fly over it.
B. They float without moving.
C. They walk or push themselves along the bottom.
D. They swim like fish.
They walk or push themselves along the bottom.
What does a box jellyfish use its powerful sting for?
A. Catching prey such as small fish and shrimp ✅
B. Finding other jellyfish
C. Moving through the water
D. Protecting its eggs
Catching prey such as small fish and shrimp
Why can standing water be a problem?
A. Mosquitoes drink all of it.
B. It can become a breeding place for mosquitoes.
C. It makes mosquitoes stronger.
D. Mosquitoes hide underneath it.
It can become a breeding place for mosquitoes.
According to the video, why were humans ranked #1?
A. They are physically stronger than other animals.
B. They hunt every dangerous animal.
C. Their actions—such as war, pollution, hunting and deforestation—cause enormous harm.
D. They spread more diseases than mosquitoes.
Their actions—such as war, pollution, hunting and deforestation—cause enormous harm.
Why might the geography cone snail be especially dangerous to people?
A. Its beautiful shell may make people want to pick it up.
B. It chases swimmers.
C. It can jump out of the water.
D. It hides inside boats.
Its beautiful shell may make people want to pick it up.
Which TWO facts help explain why a hippo can be dangerous?
A. It eats grass and lives in Africa.
B. It has powerful jaws and can become aggressive when threatened.
C. Its name means “river horse,” and it likes water.
D. It is a herbivore and goes onto land at night.
It has powerful jaws and can become aggressive when threatened.
Which statement BEST explains why some box jellyfish can be especially dangerous to humans?
A. They are large and aggressive.
B. They have powerful jaws.
C. They can be difficult to see, and their venom can seriously affect the body. ✅
D. They chase swimmers through the water.
They can be difficult to see, and their venom can seriously affect the body.
A mosquito doesn't have powerful jaws or a venomous harpoon. So what makes some mosquitoes dangerous?
A. They can transmit disease-causing organisms.
B. They can run very fast.
C. They attack animals much larger than themselves.
D. Their bite is extremely powerful.
They can transmit disease-causing organisms.