Deciduous Forest
Most trees in the deciduous forest __.
Lose their leaves once a year
What 2 other names does the boreal forest go by?
Taiga
Coniferous forest
Nickname of the tundra:
Cold Desert
Biomes are classified (grouped) by _____ & _____ factors.
biotic (living) & abiotic (nonliving)
The Round –tailed Ground Squirrel sleeps away the hottest part of the summer, called estivation (like hibernation). It lives in a biome that is very hot and dry.
desert
Describe the soil in the dec. forest
Fertile-dead leaves get decomposed which add nutrients to the soil
What is the dominant plant life in the boreal forest?
Conifer trees- trees that reproduce using cones
Name 3 adaptations of plants in tundra.
- shallow, long roots in shallow soil and act as anchors
- grow in groups to protect from cold and wind
-dark colors to absorb heat
- "hairy" to hold in heat
- small, low growing to protect from cold and ice
Climate is the average annual ______________ & ______________
temperature & precipitation
The white oak is a tree with broad, flat leaves. The leaves “turn” color and fall off
in autumn. New leaves grow back in the Spring.
deciduous forest
FREE b/c we live here!
:-)
Why is the soil in the boreal forest acidic?
Acid from slowly decaying pine needles gets into the soil
Explain why birds migrate to the tundra in the summer.
In the summer, insects breed in the standing water and bogs which the birds feed on.
This is the biome we live in:
Deciduous forest
Black-footed ferrets are mostly nocturnal because of the hot summers.
They eat prairie dogs.
Prairie
Explain how the deciduous leaves "show" their color
In the fall, the tree cuts off water to the leaves to conserve water and energy.
The leaves stop producing the (green) chlorophyll.
The colors that were there the whole time show through.
Name 3 adaptations of coniferous trees
- triangular shape to shed snow/ice
- waxy needles to shed snow/ice
- needles stop water from evaporating
- bendable to protect in high winds and heavy snow
- sap toxic to insects and animals
- sap "heals" cracks
How have humans impacted the tundra?
Pollution, specifically drilling for oil in AK
3 major biomes in the US
desert, prairie, deciduous forest
What is a special characteristic of the soil in the tundra?
Permafrost- ground is permanently frozen year round