FOOD WEBS
What organisms return nutrients to the soil in your food web? Provide an example.
Decomposers, bacteria
What is at the beginning of a food chain?
Producer
What is at the top of an energy pyramid?
Tertiary or apex consumer
Do chains, webs, and energy pyramids contain abiotic or biotic factors?
Biotic
What is the ultimate source of energy for all food webs?
The sun
What to do the percentages represent in a food pyramid?
The energy transfer from level to level
What does it mean when two arrows are pointing away from one organism?
Two other organisms are eating this organism
By how much do you multiply to get to the next level in an energy pyramid?
.10
What amount of energy is transferred to a secondary consumer when the energy of a producer starts off at 100?
1
What is the difference between food chains and food webs?
A food web is a variety of food chains interlocked