basic african savannah food trophic chain. grassland ecosystem energy flow.

acacia africa african animal antelope basic biology bird boar chain cheetah common consumer cycle eating ecosystem education energy environment flow food gazelle giraffe grassland hog horse hunting hyena illustration impala lion lioness nature ostrich outdoor pig predator prepared producer pyramid safari savanna savannah serengeti spotted striped tanzania travel trophic vector warthog warthogs wild wildlife zebra