ecosystems Flashcards
What is an ecosystem
an ecosystem is a self-contained area composed of all the different organisms living in it interacting with each other as well as interacting with the physical conditions that is sunlight and water soil climate factors etc. prevailing the area
What does ecosystem mean
It’s from the Greek word oiKOS which means a house at Valon place with inhabitants living together and interacting with each other
all these plants produce their own food through photosynthesis and are, therefore, categorized as self food producers mode technically called__
autotrophs
examples of primary consumers( second stage)
grasshoppers, crickets, butterflies, bees they all eat grass which is (producers)
Examples of secondary consumers/carnivores
lions, wolves, lizards, snakes, birds
Make a change from the given frog grass snake Peacock
Grass eaten by grasshopper ,
grasshopper eating by a frog ,frog eaten by a snake ,snake eaten by a peacock
What’s the term for the food obtaining steps in the food chain
Trophic levels
Put in order
secondary consumers, primary consumers, territory consumers, producers
Producers, primary, secondary, territory
What’s the meaning of heterotrophs
meaning differently nourished
Name the abiotic components in an ecosystem
Sunlight, air, water, temperature, soil.
Define food chain
Who changes the sequence of organisms eating other organisms
Define food webs
interconnecting food chains
What are the two types of pyramids
Pyramid of numbers in pyramid of biomass
What is symbiosis
it is an interaction both species are benefited example lichens 
What is parasitism
it is when only one partner receives the advantage while the other is at the lost (the host) ex malaria parasite
