Test 5 Env Science

Primary succession only contains?

• Soil

• Rocks

• Plant life

• Animals

Pioneer species for primary succession include?

• Algae and Moss

• Lichen and Firebush

• Lichen and algae

• Lichen and Moss

If grasses, shrubs, and fireweed are present, which succession is occurring?

• Primary

• Secondary

• Teritary

• Old-field

What could cause primary succession?

• Forest Fires

• Hurricanes

• Volcanic eruptions

• Tornadoes

What are pioneer species in secondary succession?

• Algae and Moss

• Fireweed and trees

• Shrubs and fireweed

• Trees and mosss

This models illustrates an example of?

• Ecological Pyramid

• Food web

• Food Chain

• Food pyramid

_____ + 6H20 --> C6H12O6 + 6O2

• 6C

• H20

• 6CO2

• 6O2

6CO2 + 6H20 --> C6H12O6 + 6O2

What does this chemical reaction represent?

• Cell Respiration

• Photosynthesis

• Food Web

• Food Chain

C6H12O6 + 6O2 --> H20 + 6CO2

What chemical reaction does this represent?

• Glucose

• Photosynthesis

• Cell Respiration

• Food chain

Each step in a food chain or a food web is called a?

• Trophic Level

• Energy Web

• Steps

• Energy levels