By migrating south in the winter, the butterflies are able to avoid cold weather.
The ability to build an elaborate structure is an indication to the female of how fit the male is.
The helpful aspects of butterflies are that they provide critical pollination of flowers, and critical food for song birds. (:
Butterflies are helpful in that they pollinate many types of flowering plants. They also provide food for a variety of birds and even other insects and frogs.
The are helpful by drinking rotten nectar that you don't want.
both
depends on what do you mean by helpful. They wont do a thing to help you clean your room.
The predator might leave the opossum alone if it thinks the opossum is already dead.
carnivore,posion
Adaptation
Adaptation
Adaptation
Adaptation