The gametophyte of a liverwort produces sperm in a structure called <span>antheridium.
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An antheridium<span> or antherida (plural: </span>antheridia<span>) is a </span>haploid<span> structure or organ producing and containing male </span>gametes<span> which is called </span>antherozoids<span> or </span>sperm<span>.</span>
<span>D a rigid cell wall which provides structure and support
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Answer:
endoscopy technician, orthodontist, gastroenterologist
Answer:
Erosion, each of these wear away rocks by bumping and chipping pieces off.
Explanation:
