Week 2 Midpoint Review

If the bird population DECREASED, which populations would INCREASE as a result?

• bees and deer

• bees and grasshoppers

• snakes and hawks

• grasshoppers and rabbits

Which is an apex predator in this food web? (Hint: pay close attention to the arrows!)

• squid

• penguin

• seal

• krill

In this aquatic food web, which organisms eat the squid?

• It has no predators

• seagull and krill

• seal and krill

• seal and seagull

In this food web, a ___ is a primary consumer and a ___ is a secondary consumer.

• deer, eagle

• grasshopper, mouse

• mouse, snake

• tree, grasshopper

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

• Producers

• Carnivores

• Herbivores

• Top Predator

In this energy pyramid, which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

In the energy pyramid here, if the top predator obtains 10kj of energy, how much energy is made by the producers?

• 10 kj

• 100 kj

• 1000 kj

• 10,000 kj

Which taxonomic level would include the LEAST number of organisms?

• species

• genus

• order

• phylum