6.4 - Fruits and seeds

• Biologie
• Middelbare school
• havo
• Leerjaar 1

Log in: Lesson up

Use your own name to sign in

You can use your book! 

book page number

167

FLOWER

STEM

ROOT

FRUIT

LEAF

book 

page nr 171, 172 

Perfect flower(s)

= both sexes per flower

Imperfect flower(s)

= one sex per flower

cross-pollination

self-pollination

male part

female part

carpel

stamen

Insect-pollinated flowers

Wind-pollinated flowers

The petals are coloured 

The petals are small and green

The flowers have nectar and are scented

The flowers don't have nectar

Pollen sacs are outside the flower

Pollen sacs are inside the flower

Stigma is usually inside the flower

Stigma is usually outside the flower

Stigma are feathery (=geveerde vorm)

pollen grains are rough and sticky

Pollen grains are smooth and light

Put in the correct order

-->

Pollen grain

Fertilization

New germ (= plant embryo) now exists

Male dna reaches ovary

Pollination

New seed is made

Male dna reaches ovule

Pollen tube is formed

Summary

• Fertilezed egg cell -> plant embryo
• Ovule -> seed
• Ovary -> fruit
  

What are you eating when
eating green peas?

1. Roots
2. Fruits
3. Seeds
4. Flowers

Fruits

Leaf

Stem

Root

parsnip

Asparagus

lettuce or andive 

You can work online

Test yourself 6.1, 6.2, 6.3 (did you do this?)

Start:  Test Yourself 6.4

Read 6.5, make Test Yourself 6.5