It would be called a mutation
Answer: 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.
Answer: it is False
Explanation: because nutrients are not used to break down oxygen and water
But these can be broken down in processes such as PHOTOSYNTHESIS ND CELLULAR RESPIRATION.
HOPE THIS HELPS!!!!! NEED MORE EXPLANATION COMMENT IN THE COMMENT SECTION