Ecosystems
Plants and animals live together
• Plants need water and sunlight to survive.
• Some plants need a lot of
water, they grow...
What is an ecosystem?
• An ecosystem is a place and the living
things that live there.
ECOSYSTEM
LIVING THINGS
Animals and...
Big ecosystems
• Some ecosystems are big, like the
savannah.
• Grasses, bushes and
trees live on the
savannah.
• There als...
Small ecosystems
• Others ecosystems are small, like a pond.
• In a pond we can find many animals like
frogs, dragonflies ...
Food in an ecosystem
• Plants make their own food.
• Herbivorous animals eat leaves,plants,
fruits.
• Carnivorous animals ...
Other interactions
• Some plants live on other plants.
• Many birds build their nests in trees.
• Many animals like zebras...
Forests are ecosystems
• The biggest plants are trees but there are
also bushes and grasses.
• Insects are the biggest gro...
The sea is an ecosystem
• Seaweed is the most common plant in the
sea.
• Many invertebrates, like
jellyfish or
mussels, li...
• The sea is the biggest ecosystem in the
Earth.
• There are three main zones in the sea:
- The coast
- The high sea
- The...
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U.2.ecosystems

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U.2.ecosystems

  1. 1. Ecosystems
  2. 2. Plants and animals live together • Plants need water and sunlight to survive. • Some plants need a lot of water, they grow in wet places. • Others, like palm trees, only need a little, they grow in dry places. • It is the same for animals.
  3. 3. What is an ecosystem? • An ecosystem is a place and the living things that live there. ECOSYSTEM LIVING THINGS Animals and plants NON-LIVING THINGS Soil, rocks, water
  4. 4. Big ecosystems • Some ecosystems are big, like the savannah. • Grasses, bushes and trees live on the savannah. • There also many animals like zebras, gnu, hyenas or lions.
  5. 5. Small ecosystems • Others ecosystems are small, like a pond. • In a pond we can find many animals like frogs, dragonflies or snails. • There are also water plants.
  6. 6. Food in an ecosystem • Plants make their own food. • Herbivorous animals eat leaves,plants, fruits. • Carnivorous animals eat other animals. • This is a food chain.
  7. 7. Other interactions • Some plants live on other plants. • Many birds build their nests in trees. • Many animals like zebras or sardines, live in groups to defend themselves or to find food.
  8. 8. Forests are ecosystems • The biggest plants are trees but there are also bushes and grasses. • Insects are the biggest group of invertebrates. Spiders or worms are also invertebrates. • There are also vertebrates like owls, rabbits or deers.
  9. 9. The sea is an ecosystem • Seaweed is the most common plant in the sea. • Many invertebrates, like jellyfish or mussels, live in the sea. • Fish are the biggest group or vertebrates but there are also mammals, like dolphins or whales and reptiles like turtles.
  10. 10. • The sea is the biggest ecosystem in the Earth. • There are three main zones in the sea: - The coast - The high sea - The deep sea

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