Chapter 3 - Lesson 2 Flashcards
Each ecosystem has its own
climate
Climate is a
pattern of weather
Some climates are ___ and ___ and others ____ and ____.
warm/wet, cold/dry
Ecosystems have different kinds of
soil, plants and animals
Soil is made of ____ and _____
rock/humus
Humus is
broken-down plant and animal material.
Humus holds ____ and _____.
water and nutrients
Humus is useful for
plants
Earth has many water ecosystems. Name some and their characteristics
some have saltwater, some have freshwater, some may be warm, some may be cool, some may be shallow and some may be deep
Grasslands are covered with
grass
Forests are filled with
trees
Oceans are filled with
saltwater fish
Ponds are filled with
freshwater fish
What kind of climate does a desert have?
Dry. It gets very little rain each year. It may get a lot of rain over a few days and months of no rain following.
What kind of temperature do you find in deserts?
Sun warms the air and land during the day and when it sets, it gets cool very quickly.
Plants that live in the desert must have ways to survive in the
dry, sandy soil. Not all organisms can live in deserts.
Desert plants must grow
far apart
Most desert animals hunt
when it’s cooler
What is a forest?
a forest ecosystem has many trees
A tropical rain forest is
warm and damp which helps many things grow
The climate in a tropical rain forest
is warm all year with large amounts of rain
Some animals that can be found in tropical rain forests are
birds, insects reptiles and monkeys
Where can you find temperate forests
North America
What kind of animals live in a temperate forest
Bears and deer
What is the climate in a temperate forest
It has cold and dry winters and warm and wet summers
What kind of soil do you find in tropical rainforest
soil that does not have much nutrients and plants quickly take up whatever nutrients are in the soil
What kind of soil do you find in temperate forest
soil that can soak up a lot of water and is rich in nutrients
Temperate forests have large
trees
Oceans are
large bodies of water
Oceans are full of
saltwater and organisms
Most ocean organisms live in
shallow water
Plantlike organisms in oceans need ____ to grow
sunlight
What are the tiny animals called that are found in the ocean
coral
What lives in the coral reefs
sea stars and fish
Ocean can be very deep, more than ___ meters or ___ feet deep
1500/4900
Few organisms can live in the deep ocean because
it is cold and dark
What is a wetland
a wet ecosystem where water covers the soil for most of the year
In the wetlands, the water is ___ and ____
dark/muddy
Wetlands can be found along the edges of
rivers and lakes. You can also find them near oceans and ponds
What kind of water does wetlands have
fresh water or salt water
Wetlands help prevent
flooding
what kind of animals can you find in the wetlands
alligators, fish, frogs
What kind of soil do you find in the wetlands
soils that have many rich nutrients that help plants grow and absorb extra water
