ecosystems (paper 1) Flashcards
habitat definition
place where an organism lives
population definition
organisms of the same species living in a habitat
community definition
organisms of different populations living in a habitat
ecosystem definition
a community and their interaction with the non-living aspects of their habitat
what do plants compete against each other for?
- light
- space
- mineral ions
- water
what do animals compete against each other for?
- food
-water - territory
- mates
what are carnivores?
- organisms that only eat meat material
what are omnivores?
organisms that eat both plant and animal material
define a predator
organisms that hunt and kill animals for food
define prey
an organism that is hunted i.e. killed or eaten
biomass definition
mass of organic material that makes up a living organism
define interdependence
where within a community each species depends on other species for food shelter pollination dispersal etc…
where do plants obtain water and mineral ions from?
soil
define an apex predator
predator that eats other predators
