Answer:

Picture C

1. They get more sunlight and are more easily visited by the moths which pollinate them. Also, because they are up high, the wind can more easily catch and spread their tiny seeds

2. Orchids do not harm the trees they grow in. Their roots stay on the bark of the tree; they do not take water or nutrients from the tree

Picture D

1. Firstly birds use tree to build their nest, to obtain their daily food ,and also by sitting in the brunch of trees and sing also to take rest. On the other hand children use tree while playing hide and seek, and also to swing .

2. Birds depend on trees for various reasons—they provide areas for shelter, mating, and feeding; their branches and limbs are used for forming nests; they offer food in the form of seeds, nectar, berries, and buds; and their crevices are used by birds to hide and store food.

3. Birds nesting in trees provide an example of a commensal relationship. The tree is not harmed by the presence of the nest among its branches.

Explanation:

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Picture B:

1).They pollinate plants . Nectar.

2).This pollen is now transferred to the next few flowers that the butterfly lands on.

3). They pollinate plants.

4).Butterflies are attracted to brightly colored, fragrant flowers and feed on nectar produced by the flowers.

Picture C:

1).The tree lifts the relatively small plant up off the ground and into the air so it can reach the sunlight. This helps the orchid survive in the dense canopy conditions of the tropical forest.

2). They get more sunlight .

Picture D:

1). Yes, because the birds need trees for protection.

2).Yes,birds contribute to whole tree growth by preying on herbaceous arthropods.

3).The tree is not harmed by the presence of the nest among its branches.