Answer:
Haploid spores
Explanation:
Spores are usually haploid and unicellular and are produced by meiosis
Answer: C. Multi-celled eukaryotic organism began to diversify
Explanation:
The Proterozoic is an eon. There were multiple organisms that appeared in this eon. They perform the process of photosynthesis which resulted in gradual pilling up of oxygen into the atmosphere, thus changing the composition of the atmosphere and setting up for future organism.
Multi-cellular means consisting of many cells.
Spiders are multicellular because most living things are multicellular.
It acts as a bottom liner for the landfill.It protects the organisms under,and around the landfill because if the bottom liner breaks or cracks then the waste would go through it and spread around the surrounding environment.
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