UNIT 4. ECOSYSTEMS.

COMPLETE THE STATEMENTS WITH THE CORRECT WORDS:

• food webs.

• Interdependent feeding relationships between living organisms create complex...

• populaton.

• In ecosystems, all the organisms of the same species form a ....

• habitat.

• The place where an organism lives is called its...

COMPLETE THE STATEMENTS WITH THE CORRECT WORDS:

• community.

• Some ecosystems are natural, while others are....

• invasive

• Native plants and animals are threatened by............species.

• artificial.

• The diffferent populations in an ecosystem form a...

Organize these options into the right categories:

Groups:

(a) PRODUCERS

,

(b) CONSUMERS

,

(c) DECOMPOSERS

• A TADPOLE

• ALGAE

• GRASS

• A HERON

• A HONEY FUNGUS

• A MUSHROOM

• A SALMON

• AN APHID

ORDER THE FOOD CHAIN FROM PRODUCERS TO DECOMPOSERS:

• FUNGI

• PLANT

• APHID

• LADYBIRD

• DRAGONFLY

ORDER THE FOOD CHAIN FROM PRODUCERS TO DECOMPOSERS:

• HERON

• ALGAE

• TADPOLE

• BACTERIA

• SALMON

Organize these options into the right categories

• MONERA KINGDOM.

• -Multicellular.

  • - They get the energy by feeding on other living things.

• ANIMAL KINGDOM.

• • - Unicellular or multicellular.

  • - They can't make their own food.

  • - They take the remains of dead plants an animals.

• FUNGUS KINGDOM.

• • - Unicellular.

  • - On land, in the air, in water and inside other living things.

Organize these options into the right categories

• MONERA KINGDOM.

• • - Unicellular or multicellular.

  • - E.g: the amoeba.

• PLANT KINGDOM.

• • - Multicellular.

  • - They make their own food by the photosynthesis.

• PROTIST KINGDOM.

• • - Unicellular.

    • - They can be found on land, in the air, in water and inside other living things.

Organize these options into the right categories:

Groups:

(a) INSECT

,

(b) CRUSTACEAN

,

(c) ARACHNID

,

(d) GASTROPOD

• LOBSTER

• SPIDER

• SNAIL

• DRAGONFLY

Organize these options into the right categories:

Groups:

(a) CEPHALOD

,

(b) ECHINODERM

,

(c) ANNELID

,

(d) CNIDARIAN

• OCTOPUS

• JELLYFISH

• SEA URCHIN

• EARTHWORM

CHLOROPLAST