ecological relationships and energy flow Flashcards
what does habitat mean
place where an organism lives
what does population mean
total number of living organisms of one type meaning in a habitat
what does community mean
all the living organisms of all types in a habitat
what does ecosystem mean
communities of organisms and there habitats
what does biodiversity mean
variety of organisms in an ecosystem
what is a abiotic factor
an non living factor
what is a biotic factor
a living factor
what do the abiotic factors include
wind speed, temp, oxygen concentration, humidity , light, water
what do the biotic factors include
predators/prey, competition for food, biodiversity
what do animals compete for
food
water
mates
habitat
what do plants compete for
water
minerals
space
light
whats the ultimate source of energy
sun
what are producers
plants
what are consumers
animal
what do the arrows in the food
the direction of energy flow
whats a trophic level
each steps in the food chain