Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?
competition
mutualism
parasitism
predator-prey
The yucca plant releases a strong scent at night when the yucca moth is active. The yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca moth then deposits her eggs and the pollen on another plant. This ensures that the plant will be cross-pollinated and that the yucca moth larvae have a steady food supply. Which relationship does this best illustrate?
commensalism
predation
Due to insecticides, the cricket population is greatly reduced. Which population is most affected by this event?
Mouse
Grass
Hawk
Frog
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