WorksheetsScience Survival of Species
Total questions: 10
Worksheet time: 7mins
Why plants disperse fruits or seeds through dispersal agents?
To ensure the survival of their species.
To provide food for other animals.
To compete with other plants.
To defend themselves from enemies.
The picture above shows the seed of angsana. What is the method of dispersal of the seed?
Water
Wind
Humans or animals
Explosive mechanism
The statement above shows a characteristic of a seed. Based on the statement above, what is the dispersal agent?
Water
Wind
Humans or animals
Explosive mechanism
What is the characteristics of a coconut?
Able to float on water.
Waterproof, having husks and air spaces.
Light, big and having husks.
Waterproof and having edible husks.
How does papaya disperse its seeds?
Wind
Water
Humans or animals
Explosive mechanism
Why durian have edible, bright-coloured fruits?
To provide food for humans and animals.
To attract humans and animals to eat the fruits and help to disperse the seeds.
To produce food as a by-product of photosynthesis.
To defend themselves from enemies with their sharp thorns.
What is the dispersal agent of the plants above?
Explosive mechanism
Humans or animals
Wind
Water
Why coconut floats?
Because the flesh (isi kelapa) is light.
Because its tree grows by a beach.
Because it is not heavy.
Because it has husks that trap air and waterproof skin.
This is shorea. What will happen if the shorea seed is heavy and big?
It cannot be carried and dispersed by the wind.
It cannot be eaten and dispersed by animals.
It loses the ability to explode.
It will sink into the sea.
Why should plants disperse their seeds and fruits?
To improve their growth.
To ensure the survival of their species.
To improve the competition among the seedlings.
To make the plants more resilient to diseases.
