jueves, 6 de mayo de 2010

S2 Do this as an excercise!

Complete the word fill exercise below and table on the next sheet:

The male part of the flower is called the _______________consists of the ____________ and ____________ . The female part of the flower is called the _____________ consists of the ______________, ______________ and _______________. The male gamete is made in the ______________ and is found inside the _____________ grain. The female gamete is found in the _____________ and is called an ______________.
Pollination:

What is pollination: ___________________________________________________________

___________________________________________________________

___________________________________________________________


There are two mechanisms for pollination: wind and insect. Flowers are adapted to suit the mechanism by which they are pollinated.

Identify which flower below is wind-pollinated and which is insect-pollinated:


Name three flowers that are insect-pollinated:

_____________________________________________________________________


Give an example of a type of plant that is wind-pollinated:

_____________________________________________________________________
Explain the difference between self-pollination and cross-pollination:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

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