Interdependence (AQA GCSE Biology): Flashcards
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15 cards from this deck
Interdependence definition
Interdependence definition
Species in a community depend on each other to survive
3 things organisms need from each other
3 things organisms need from each other
Food, shelter, and reproduction
Stable community definition
Stable community definition
Balanced ecosystem where everything works together smoothly
Population sizes in stable communities
Population sizes in stable communities
Stay roughly the same over time
How insects help plants reproduce
How insects help plants reproduce
Carry pollen between flowers (pollination)
How wind helps plants
How wind helps plants
Carries pollen and lightweight seeds
How animals help seed dispersal
How animals help seed dispersal
Eat fruits & carry seeds in fur or drop them in new places
What food webs show
What food webs show
How species are connected through what they eat
Direction of arrows in food webs
Direction of arrows in food webs
From food source to animal that eats it
Effect when a species disappears
Effect when a species disappears
Ripple effect that impacts many other species
Effect of grass loss on rabbits
Effect of grass loss on rabbits
Rabbit population decreases
Effect of fewer rabbits on foxes
Effect of fewer rabbits on foxes
Fox numbers fall
Effect of predator removal on prey
Effect of predator removal on prey
Prey population increases
Why multiple food sources create stability
Why multiple food sources create stability
Animals have backup options if one food source fails
Conservation focus for ecosystems
Conservation focus for ecosystems
Protecting entire ecosystems, not just individual species