Ch 4 Flashcards
(21 cards)
an area where organism interact with one another as well as nonliving part
ecosystem
group of organism in the same species living together in a same ecosystem
population
the make up of all population living in a ecosystem
community
Part of ecosystem which living thing live
habitat
role in a ecosystem
niche
variety of species in an ecosystem
diversity
organism that make it own food
producer
Organism that eat other organism
consumer
Sequence of connected producer and consumers
food chain
Group of connected food chains in an ecosystem
food web
It shows that energy is lost at each level of the food chain
energy pyramid
the struggle among organism for limited resources in an area
competition
An organism that lives in or on another organism
parasite
A close relationship between organism of different species in which one or both organism benefit
symbiosis
The organism that a parasite lives in or on
host
Region of the world define by its climate type of plant and animal
biome
The forest biome that is farthest north
taiga
a hot dry place that get little rainfall and are cold at night
dessert
Treeless region next tomthe polar caps and high on some mountain
tundra
Form in areas with enough rainfall and warmth for tree to grow
forest
The main plant are grasses
grassland