Ecological Succession

The illustration shows some of the organisms in an ecosystem.

Which organism is the MOST LIKELY food source for the deer?

• mountain lion

• plant 

• hawk

• squirrel

Tags

NGSS.MS-LS2-1

Look at the food web of a pond ecosystem.

Which food chain shows the correct flow of energy in the pond 

of the food web?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

Which of the following statements describes how consumers get food?

• Consumers are able to make 

  their own food.

• Consumers must get food 

  from other organisms.

• Consumers make food or get food 

  from other organisms.

• Consumers use sunlight and 

  carbon dioxide for food.

Tags

NGSS.MS-LS2-2

Look at the picture of the forest.

What prevents the small trees in the forest from growing larger?

• Less rain reaches the smaller trees.

• Less sunlight reaches the smaller trees.

• Less soil reaches the smaller trees.

• Less rain, sunlight and soil reaches the smaller trees.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Consumers...

• Make their own food

• Go through photosynthesis

• Eat other organisms

• Breathe in carbon dioxide

Producers are always at the __________ of a food chain

• Beginning

• Middle

• End

• Producers are not part of the food chain

Which takes longer, primary or secondary succession?

• Primary Succession

• Secondary Succession

What 3 things can cause primary succession to start?

• Volcanic Eruption

• Glacial Retreat

• Hurricane

• Formation of a sand dune

Tags

NGSS.MS-ESS2-2

What are the species called that appear first during primary succession?

• Pioneer Species

• New Species

• Alpha Species

• Mature Species

A pattern of change after existing ecosystem is destroyed, such as clearing for farming.

• Evolution

• Secondary Succession

• Primary Succession