All living things obtain energy from the ____
Sun
animal that only eats meat
carnivore
continuous movement of water
water cycle
fox and rabbit
predator-prey
Both organisms benefit
mutualism
An organism that makes its own food
autotroph
animal that only eats plants
herbivore
continuous movement of oxygen
oxygen cycle
Living and nonliving parts of an environment together are referred to as a(n) ____________________ .
ecosystem
One organism benefits, the other is unharmed
commensalism
An organism that cant make its own food
heterotroph
animal that eats meat and plants
omnivore
continuous movement of carbon
carbon cycle
when an ecosystem is disturbed, but not destroyed
secondary succession
One organism benefits, the other is harmed
parasitism
Photosynthesis takes place in what part of the cell?
chloroplast
animal that feeds off of dead organisms
detritovore
continuous movement of nitrogen
nitrogen cycle
The process by which the species and habitat in an area change over time
ecological successsion
Ants carrying leaves
cooperative
cytoplasm and mitochondria
As you move upward, from level to level, in an energy pyramid, available energy __________________.
decreases
when organisms first colonize a new area without vegetation or other life
primary succession
Lions fighting for the same elk
competitive