Fruits and Seeds
Gap Fill
How Seeds are Dispersed
How Seeds are Adapted for Dispersal
50
they form from the fertilized egg
seeds
50
Plants need to spread their seeds away from themselves. We call this _____ _________.
Plants need to spread their seeds away from themselves. We call this seed dispersal.
50
How are the seeds of blackjack spread?
The seeds of blackjack are spread by sticking on an animal or a person.
50
Match the way seeds are spread in the first column with the description of how the seed or fruit is adapted to the way it is spread in the second column.
By water -- c
By wind -- d
By animals -- a
By explosion -- b
100
when seeds are spread away from the parent plant
seed dispersal
100
Seedlings ________ grow to be healthy plants if they all have to share water and light in a _____ ______.
Seedlings cannot grow to be healthy plants if they all have to share water and light in a small area.
100
How are the seeds of acacia spread?
The seeds of acacia explode.
150
the new plants that grow from a germinated seed
seedling
150
Some fruits and seeds have _____ and _____. These stick onto the fur of animals or the clothes of people.
Some fruits and seeds have spines and hooks. These stick onto the fur of animals or the clothes of people.
150
How are the seeds of impatiens spread?
The seeds of impatiens explode.
150
List two ways seeds dispersed by animals are adapted to this type of seed dispersal.
1.has spines or hooks
2.has small and soft seeds
200
Fruits usually have a _____ on the outside, _____ inside and _____ around the seeds.
Fruits usually have a skin on the outside, seeds inside and flesh around the seeds.
200
Animals such as birds, monkeys, mice and even elephants eat colourful, soft and juicy fruits with small seeds. The seeds pass through the animal’s body and are ________ in the animal’s ___________. This may be far away from where the animal ate the fruit.
Animals such as birds, monkeys, mice and even elephants eat the fruits. The seeds pass through the animal’s body and are dispersed in the animal’s droppings. This may be far away from where the animal ate the fruit.
200
How are the seeds of jacaranda spread?
The seeds of jacaranda fly away in the wind.
200
List two ways seeds dispersed by the wind are adapted to this type of seed dispersal.
They have light, papery wings.
250
What three things do seedlings need to grow?
Seedlings need room to grow. They also need light and water.
250
Some fruits use animals to spread their seeds. Fruits that spread in this way ________ animals to eat them. These fruits are often ________, soft and _____, and taste good. They usually have _______ seeds.
Some fruits use animals to spread their seeds. Fruits that spread in this way attract animals to eat them. These fruits are often colourful, soft and juicy and taste good. They usually have small seeds.
250
How are the seeds of lantana spread?
The seeds of lantana are eaten.
250
List one way seeds dispersed by water are adapted to this type of seed dispersal.
They have a spongy covering that helps them float.
300
List two ways people can disperse seeds.
We can plant seeds in our gardens, and we can carry them on our clothes and shoes.
300
List one way seeds dispersed by explosion are adapted to this type of seed dispersal.
The seeds dry out and burst open.
350
Make a drawing of an orange cut in half. Label your drawing with three labels.
350
Why must seeds be spread?
So they grow away from the parent plant and have enough space, light and water to grow into new plants.
350
Some seeds are adapted to seed dispersal by having spines or hooks so they can get caught in animal's fur.
Describe another way in which plants are adapted to seed dispersal by animals. Give an example.
Some plants have fruits that animals like to eat. These fruits are often colorful, soft and juicy, and taste good. They usually have small seeds. The animals eat the fruit which contain the seeds. The seeds are spread in the animals’ droppings.