Living Together Flashcards
What is positive chemotaxis
Planarian moving towards food source
What is Positive phototaxis
Euglena- unicellular photosynthetic organism moving towards light
Producers/autotrophs
They made their own food example green plants
Heterotrophs/consumers
Cannot make their own food but rely on ready-made food
Primary consumer/herbivores
Feed on green plants example cows horses and goats
Secondary consumers/carnivores
Eat herbivores such as birds and lizards
Tertiary consumers/carnivores
Feed on secondary consumers example sharks and snakes
Omnivores
Eats plants and animals example humans
Parasites
Eat living organisms without killing them example mosquitoes and fleas
Scavengers
Eat food scraps example Seagull and crabs
Carrion feeders
Feed on dead bodies example vultures and hawk
Decomposers
Feed on dead and decaying matters such as fungi, bacteria, earthworm
What is a food chain and food web
A food chain of organisms through which food and energy flows it shows who is eating who
Food web shows all possible feeding relationships in the community
Symbiotic relationship
When two species live together abundance of living things are affected by physical factors other living things and other organisms chances of survival
Symbiosis and its type
Types of symbiosis are commensalism, mutualism, predation, parasitism, competition, intraspecific competition, interspecific competition( give def n egs)
