2.3 Ecosystem Concept DB024

In lakes, decomposers are found in

• Limnetic zone

• Benthic zone

• Littoral zone

• Profundal zone

One example of producer in littoral zone

• Algae

• Lianas

• Ferns

• Waterlily

One example of primary consumer in limnetic zone

• Zooplankton

• Phytoplankton

• Frog

• Algae

How many layers are there in a rainforest?

• 2

• 3

• 5

• 6

Which of these is the greatest limiting factor for plants on the forest floor?

• space
• soil
• sunlight
• water

Tags

NGSS.MS-LS1-5

How can temperatures in the tropical rainforest be described?

• Very variable throughout the year
• Do not vary very much throughout the year
• Usually around 15°C

Which layer do monkeys swing around in?

• Emergent layer
• Canopy layer
• Understory layer
• Forest floor

Which layer is made up of dead leaves and rotting matter?

• Emergent
• Canopy
• Understory
• Forest floor

This layer is the densest area and blocks the most sunlight

• Dark layer

• Canopy layer

• Understory layer

• Houston layer

Which region of the lake has the highest biodiversity?

• littoral zone

• limnetic zone

• profundal zone

• benthic zone