Section 19.4 - Food Chains, Food Webs, & Energy Pyramids
foxes
A forest ecosystem supports the food chain indicated in the energy pyramid above. Which type of organism would you expect to find the FEWEST of in the ecosystem? - acorns - squirrels - raccoons - foxes
10%
About how much energy is transferred from one level of an energy pyramid to the next higher level? - 10% - 25% - 35% - 50%
three
How many primary consumers does this food web include? - one - two - three - four
deomposers
In general, which types of organisms survive at the lowest energy level? - producers - primary consumers - deomposers - tertiary consumers
snake
Which of the following is a tertiary consumer? - beetle - mouse - bird - snake
carnivore
Which of the following will be at the top of an energy pyramid? - decomposer - producer - herbivore - carnivore
fox
Which organism in the food chain FEEDS on a secondary consumer? - algae - snail - chicken - fox
snail
Which organism in the food chain is a primary consumer? - algae - snail - chicken - fox
algae
Which organism in the food chain is a producer? - algae - snail - chicken - fox
squirrel
Which organism in the food web is NOT a predator? - bird - snake - eagle - squirrel
eagle
Which organism in the food web is the top consumer? - bird - snake - eagle - squirrel
foxes
Which organism receives the LEAST amount of energy from producers? - acorns - squirrels - raccoons - foxes
the acorns
Which organism represented by this food pyramid has the MOST available energy? - the squirrels - the acorns - the raccoons - the foxes
They help to recycle nutrients back into the soil.
Why are fungi and bacteria important in a food web? - They are an important food source for primary consumers. - They are producers. - They help to recycle nutrients back into the soil. - They are in important food source for secondary consumers.
