Ecosystems and energy Flashcards
Biodiversity
The total variety of living things on earth
Species
A group of organisms that can produce fertile offspring
Habitat
The place where an organism lives
Population
The total number of a species in an area
Community
All living things in an area
Ecosystem
All the living and non living things in an area
Producer
An organism that can ask its own food from the sun (photosynthesis)
Consumer
An organism that need to eat/consume food for energy
Herbivore
Eats plants
Carnivore
Eats meat
Omnivore
Eats plants and meat
Predators
Hunts the prey
Prey
Gets hunted by predators
Food chain
Shows the flow of energy from one organism to the next
Food web
Multiple food chains with more than one passage way
Niche
The role an organism plays in the community
Interspecific
Competition between different species
Intraspecific
Competition between the same species
What competition is more intense
Intraspecific
How much is passed on in the food chain
10%
Name 3 ways how energy Is lost in the food chain
Movement
Heat
Undigested materials
Why do pyramid of numbers have an irregular shape
It show the number of organism not the energy