Symbiotic.
It is a Symbiotic Relationship.
they have intercourse
mutualism
mutualism
One of business and trade partnership, but not much more.
It depends on what kind of fish, and the size of the aquarium.
It depends on what kind you have.
Cowbirds eat insects disturbed by the bison as they graze, and will pick ticks off the bison's hide.
The answer depends on what ac, ad, ce and be are and what kind of relationship, if any, exists between them. Without that information it is not possible to answer the question.
It is a mutual relationship. The flower needs the hummingbird to drink nectar and get a dusting with the flower's pollen, so ensuring there is cross-pollination as the bird moves from flower to flower.
It is a mutual relationship. The flower needs the hummingbird to drink nectar and get a dusting with the flower's pollen, so ensuring there is cross-pollination as the bird moves from flower to flower.
mutualism