butterflies need plants because they need to lay their eggs on the leaf!
because butterflies, like bees, spread the plants' pollen. w/out them, the plants wouldn't be able to reproduce.
Plants need butterflies for two main reasons such as pollination. Plants also need butterflies to bring other animals into the ecosystem.
Plants and butterflies have a symbiotic relationship. The plants benefit from the pollination services provided by the butterflies and the butterflies feed from the nectar of the flowers of the plants.
You can attract butterflies by planting the plants they lay their eggs on (host plants) and flowering plants (nectar plants) for butterflies that are normally found in your area of the world. If you search the internet for 'butterfly host plants' you will be led to sites that give more specific information. What attracts butterflies in Florida may not attract butterflies in Iowa or Oregon. Butterflies are very picky about plants that they lay eggs upon.
Butterflies are consumers. Only plants are producers.
Butterflies pollinate flowers and plants.
to have nutrients
there's a goddess of earth and its plants. i guess that would be butterflies. Demeter
Plants
landing on them
leafs
butterflies need the stuff in the flowers
Butterflies are important in the rainforest because they help to move pollen from place to place. This allows many different kinds of plants to be fertilized, insuring a new generation of plants.