Vocabulary
Organisms feeding on dead animals
Scavengers
Ecosystem is a closed, self sufficient system
True
____ is the ultimate source of energy for the ecosystem.
Sun
Cacti
Desert ecosystem
Animals which are eaten by higher animals
Prey
Organisms cannot have alternate food options.
False
Plants prepare their food hence called _____
Autotrophs / Producers
Fishes
Aquatic ecosystem
Non living components of ecosystem
Abiotic components
Decline in population of any spp. can cause ecological imbalance.
True
Linear sequence of one organism eating the other is called ____
Food chain
Elephants
Forest ecosystem
Organisms which help in decaying the dead remains
Decomposers
Secondary consumers belong to Trophic level II
False
Interconnecting food chains form ______
Food web
Frogs
Pond ecosystem