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WorksheetsInteractions of Organisms Ladders G7
Total questions: 10
Worksheet time: 5mins
All the living things in an ecosystem
community
population
organism
biome
A group of organisms that are the same species that live in the same area.
population
community
ecosystem
biome
The following are all biotic factors.
dead leaves, trees, mushrooms, birds
fish, water, algae, sunlight
rocks, sand, water, rain
minerals, grasshoppers, grass, flies
The following are all abiotic factors.
rain, rocks, sand, sunlight
dead leaves, rocks, air, tin can
log, buffalo skull, sand, sunlight
fly wings, sand, minerals, dead grass
Producers
make their own food through photosynthesis
give birth to live young
lay eggs
consume other organisms
Consumers
eat or absorb other organisms
make their own food through photosynthesis
eat only plants
eat only animals
Decomposers
get energy by breaking down nutrients from dead or decaying organisms
eat only plants to get energy
eat animals to get energy
get energy from creating energy through photosynthesis
This is a picture of
a food chain
an energy pyramid
a food web
Food webs
are a series of overlapping food chains
show how energy decreases when organisms eat other organisms
show how animals catch and eat other animals
show how animals only eat one other animal
A decrease in the population of coyotes can cause an increase in the population of rabbits because
there will be fewer coyotes to eat the rabbits, so more rabbits will survive.
more coyotes will eat more rabbits.
the rabbits will eat the coyotes, causing the decrease in the coyote population
the decrease in the coyotes was caused from diseased rabbits.
