Ecosystems Flashcards
Biodiversity
The total variety of living things within an ecosystem
Ecosystem
All the organisms living in a particular habitat and the non- living components with which they interact
Habitat
The place an organism lives
Population
The number of individuals of one species in a habitat
species
a group of individuals who interbreed to produce fertile offspring
community
all the populations in an ecosystem
niche
the role an organism plays in a community
Food chains
way of showing good relationships in an ecosystem
what do arrows represent in food chains
the direction of energy flow
producer
produce their own food by photosynthesis
consumer
anything other than a green plant
herbivore
consumes plant material only
carnivore
consumes animal material only
omnivore
consumes both animal and plant material
predator
animals that will hunt other animals for food
prey
animals which are hunted
food webs
shows energy flow through interconnected food chains in an ecosystem
when does competition occur
when a resource is in limited supply
“What do animals compete for”
five things
food
water
shelter
territory
mates
what do plants compete for
five things
light
water
nutrients
minerals
space
name the two types of competition
interspecific
intraspecific
when does interspecifc competion occur
between members of diff species for some of the same materials
when does intraspecific competition occur
between members of the same species for all the same materials
which type of compition is more intense
Intraspecific
