What is at the start of the food chain?
Plants
What are 4 important roles of plants?
Provide oxygen. Provide food and energy. Provide shelter. Build and protect soil
What do humans use living resources for?
Pencils, toilet paper, wood for houses, clothing, medicine...
What do all types of soil contain?
Minerals and organic particles
Where can plants grow?
The ocean, mountains, arctic, deserts, etc.
How do plants provide oxygen?
Plants use up carbon dioxide and release oxygen through photosynthesis.
What are living resources?
Living things that can be used for human needs.
What type of soil provides the most nutrients for most plants?
Loam soil
What is a con to using fertilizer?
Too much fertilizer can cause harm to plants and potentially pollute soils, streams, rivers and lakes.
How do plants make their own food?
Plants make their own food from water, carbon dioxide, and sunlight.
What can a diet of lots of fruits and vegetables help protect against?
Diseases (stay healthy!)
What soil feels slippery when moist and will stick together if squeezed in your hand?
Clay soil
What is a con of irrigation?
Irrigation can dissolve salts in the soil making it too salty and too much water can harm plants!
Why are plants used for shelter? What do they protect against?
Plants protect other organisms from the weather and predators.
Who were the first people to use living resources in Alberta?
Indigenous peoples
What nutrients does soil provide to plants?
Nitrogen, phosphorus, calcium, potassium, and magnesium
What is crop rotation?
The practice of planting a different crop in a particular field every year.
How do plants build and protect soil?
Dead plant material builds soil. Plants also prevent erosion and holds the soil together.
What major changes to the environment happened when European settlers came to Canada?
They began to clear (log) and farm land to grow food for themselves and others.
What are the organic particles in soil made from?
plant and animal matter