The statement that can be removed is --
Unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again.
This above statement can be removed, without affecting the given excerpt's reliability.
Rest all the other statements are inter related and have the same meaning output.
Answer:
biosphere
Explanation:
The biosphere represents the part of the earth where life forms are present. The atmosphere, all the water bodies, and the land together constitute the biosphere. The biosphere has many different types of ecosystems. Several biotic and abiotic components interact with each other in an ecosystem. Human beings and other species of living things together make the biotic components of an ecosystem present in the biosphere.