Tundra & Coniferous Forests
What is the coldest biome on earth?
Tundra
What happens to the leaves of deciduous trees in the fall?
They change color and fall off
What is the main characteristic of all deserts?
They receive very little rainfall
What is the largest saltwater biome?
The ocean
Why do cacti have thick, waxy skin?
To store water and reduce water loss
What is the frozen soil in the tundra called?
Permafrost
What are the four seasons of the deciduous forest?
Spring, summer, fall, winter
What is the largest desert in the world?
The Sahara Desert
What is a small body of standing freshwater called?
What adaptation helps snowshoe hares survive in the winter?
Their fur turns white to blend in with the snow
Why do coniferous trees have needle-shaped leaves?
To reduce water loss in winter
What is the main type of plant found in grasslands?
Grass
What kind of tree stores water in its trunk in the savanna?
Baobab tree
What is a coral reef made of?
The skeletons of tiny coral animals
What do mangrove trees in swamps have to help them survive in saltwater?
Special roots that filter out salt
What is another name for the coniferous forest biome?
Taiga
What is the main difference between a prairie and a savanna?
Prairies are in temperate areas, while savannas are in tropical areas.
What is the rainforest layer where most animals live?
Canopy
What is the name for areas where rivers meet the ocean?
Estuaries
What adaptation helps animals survive in the desert's extreme heat?
Being nocturnal (active at night)
Why do some animals in the tundra, like the musk ox, have two layers of fur?
To trap heat and stay warm in cold temperatures
Why do prairie plants have deep roots?
To survive droughts and fires
Why do some rainforest trees have buttress roots?
To support them in the shallow soil
How do fish in deep ocean waters produce light?
Bioluminescence
Why do some fish, like salmon, live in both freshwater and saltwater?
They can adjust to different salt levels in the water