When Humans Consume Herbivores Such as Cattle,they Occupy Which Trophic

If a person needs to consume 100 kcal of energy and he chooses to do so by eating soybeans,at least how many kcal of soybeans would have to grow to provide that 100 kcal for the human? A) 100 B) 1,000 C) 10,000 D) 100,000

Tuna are predatory fish that consume smaller,carnivorous fish that have fed on zooplankton.The zooplankton had fed on phytoplankton.When a person eats tuna,he or she is consuming the ________ trophic level of the food chain. A) second B) third C) fourth D) first