Rocky Fork Creek Food Pyramid

By Billy Brehm

Creek Food Pyramid

• Producers – also known as autotrophs, are at the bottom of the pyramid, after raw materials

• 1st level consumers, heterotrophs

• 2nd level consumers, heterotrophs

• Decomposers

Producers in Rocky Fork

Producers

• Algae

• Microscopic organisms

1st Level Consumers

• Some of the consumers in the first level of the Rocky Fork Creek food pyramid would be herbivores, such as insects. Mayflies with their three long hair like tails are in this level.

• Water pennies and snails are also 1st level consumers in Rocky Fork Creek.

1st Level Consumers

Mayfly

Water Penny

Lunged Snail

2nd Level Consumers

• Fish were found as second level consumers in the class’s water sample of Rocky Fork Creek.

• Two type of fish could be the Creek Chub and Green Sunfish. Both are found in the streams of the Rocky Fork watershed, and are pollutant tolerant.

Decomposers

• Bacteria

• Crayfish