Question

The following table shows the food source of various organisms in a hypothetical aquatic

ecosystem.

ORGANISM FOOD SOURCE

Krill Plankton Penguin Seal Squid Sea Gull

Seal √ √ √ √

Plankton

Penguin √ √ √

Krill √

Sea Gull √ √

Squid √

Which of the following food webs best represents the movement of matter and energy

among the organisms of this food web​

Answer 1

Food webs describe who eats whom in an ecological community. Made of interconnected food chains, food webs help us understand how changes to ecosystems — say, removing a top predator or adding nutrients — affect many different species, both directly and indirectly.