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Review activities

Complete the sentences with the words below:                                                      

PISTIL – WIND POLLINATION – FRUIT – STAMEN – SELF-POLLINATION – OVULE – INSECT POLLINATION – SEED – PLANT - POLLINATION

a) In sexual reproduction, there are two main steps: 

______________ and fertilisation.

b) The first one consists on pollen going from the 

_____________ of one flower to the _____________ of a

 different, or the same, flower.

c) Pollination can be helped by insects (__________ 

_________), by the wind (____________ ___________) or it 

can happen inside the same flower

(____________________).

d) The pollen joins an _______________ to make a

 _______________.

e) The pistil grows around the seed into a 

_______________.

f) The fruit falls to the ground and the seed grows into a new 

_____________.

ANIMALS	DESCRIPTION
MOLLUSCS	They have a soft muscular body, often protected by a hard shell. Some live on land (snails), but most (mussels and octopuses) live in the sea.
____________________	______________________________________________________________________ ______________________________________________________________________
SPONGES	______________________________________________________________________ ______________________________________________________________________
___________________	They live in the sea. They are protected from predators by hard skin or spikes and often brightly coloured. (example: starfish)
ARTHROPODS	______________________________________________________________________ __________________________________________________________________
____________________	Some of them live in the sea. They have a long, soft body divided into segments. A very importat example of annelid is the earthworm.