Which of the following relationships is an example of mutualism?
A bird feeds on berries, spreading the plant's seeds to new areas.
Competition, a type of symbiotic relationship, is where
...
A critical biotic factor in Yellowstone National Park is
population of wolves
A population of jellyfish has shown a sharp decline. What types of factors should be investigated?
Both abiotic and biotic factors in their ecosystem
The relationship between a predator and its prey's food source is often described as
a trophic cascade