Food Web, Food Chain, Energy Pyramid

All food webs and food chains begin with _________________.

• primary consumer

• producers

• secondary consumers

• tertiary consumers

In this energy pyramid, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

In an ecological pyramid, which type of organism always has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Apex Predator

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Which organism is the carnivore?

• 
• 
• 
• 

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

In a food web, arrows point at:

• who gets energy.
• who gets eaten.

An organism that eats the secondary consumer.

• Primary Consumer
• Secondary Consumer
• Tertiary Consumer
• Consumer