Topic 1
The type of plant that lasts only 2 season
Seeds
What was sails made out of
Hemp
List the 4 types of soil
Clay, sandy, silty, loam
What is yield
The amount of fruits or vegetables that a plant makes
The part of the plant that stores food
Leaves
Sugar comes in two forms what are they
Cane and Beat
What is organic material that is partly decayed called
Humus
Name an artificial environment
Greenhouses
The 5 stages of a plant
Seed, Germination, Growth, Producing seeds, spreading seeds
List two ways plants are used for transportation
Rubber, ethanol, canoes
List the 5 ways humans change soil
Fertilizer, plowing, irrigation, clearing land and crop rotation
The name of growing plants in only water
Describe photosynthesis
Plants absorb energy from the sun and create sugars and oxygen
What are the 5 main crops
Wheat, potatoes, corn, rice, barley
Which soil holds the most water
Clay
What is biological control
Describe the difference tap roots and fibrous roots
Tap roots is one big root with small hair like roots and fibrous is all small hair like roots
What plant contains iodine
Seaweed
What is it called when rocks are broken down into soil
Mineral Particles
What is monoculutre
When only one type of plant is growing in an area