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WorksheetsLO7 - How Does Planet Earth Support Life - Soil and Seeds
Total questions: 12
Worksheet time: 6mins
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
move to the same place and grow
move further away from the parent plant
compete with one another for minerals in the soil
How are dandelion seeds dispersed?
By animals
By explosion or bursting
By wind
Why is it better for seeds to be scattered far and wide?
To provide shelter to other animals.
For farmers to see which soil is good for the plants.
For plants to have a better chance of growing healthier.
I am a seed and have parachute like structures.
What is likely my dispersal method?
Wind
Water
Animal
Explosive action
I am a seed and have hooks to cling to fur.
What is likely my dispersal method?
Wind
Water
Animals
Explosive action
My pod splits open and seeds are thrown out with a force.
What is likely my dispersal method?
Wind
Water
Animals
Explosive action
Which characters are ideal for dispersion by wind?
Small, light and hair-like
Small, light and sharp hooks
Big, light and fibrous husk
Big, light and explode
Soil is made of ______.
weathered rocks and minerals
dead plants and animals
air and water
all the above
When plants, animals, and other organisms die, they break down and become part of the soil.
What is this part of the soil called?
Sand
Silt
Clay
Humus
Which factors are primarily responsible for decomposition of organic materials in soil?
Animal action and plant action.
Animal action and fungus action.
Fungus action and microorganisms.
Microorganisms and animal action.
Why is soil an important natural resource?
Soil is used to make buildings.
Soil can grow crops.
Soil comes from bedrock.
Soil is full of microbes.
What are the four soil components?
Sand, rock, humus, air.
Rock, humus, air, water.
Rock, humus, roots, water.
Rock, humus, animals, plants.
