How do birds the plant seen here reproduce?
burs attach themselves to the birds, which carry the burs away.
burs prevent birds from feeding on the seeds of plants.
birds don’t damage plants with lots of burs.
birds only make nests in trees with burs.

Option A

Explanation:

Birds attach the bur of the plant which helps in the pollination. The birds sit on the plant and the burs of the plant gets attached in the legs of the birds which is transferred from one place to another.

Seeds at a different place will help in reproduction and growth of the plants. In this case the birds are carrier of the burs.

This is how the birds help in the reproduction of the plants by becoming the messenger.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.