How is a seed different from pollen, and how do both these differ from a spore?

Question

How is a seed different from pollen, and how do both these differ from a spore?

Answer 1

seed:

A ripened plant ovule containing an embryo.

pollen:

The small male reproductive bodies produced in the pollen sacs of seed plants.

spore:

[1] A small, usually single-celled reproductive body that is highly resistant to desiccation and heat and is capable of growing into a new organism, produced especially by certain bacteria, fungi, algae, and nonflowering plants.

[2] A dormant nonreproductive body formed by certain bacteria in response to adverse environmental conditions.

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Answer 2

a seed is a whole organism that can grow into a plant

pollen is like the sperm of a plant

a spore is a cell that comes of something and can grow into a new organism