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ineedhelp2285
22.06.2019 •
Biology
Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm
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Ответ:
Planarian worms should be your answer, I hope this helps!
Ответ:
c) planarian.
Explanation:
In the anterior part, the planarians have two somewhat prominent eye spots, which are approximately 2 mm apart from each other. Each of the spots is made up of 13 or 14 ocelli. Between the two spots they have two other masses of ocelli, which are the cerebral eyes, and they also have marginal eyes forming a thin strip occupying a third of the animal's margin.
Ответ:
Mitotic metaphase or metaphase II of meiosis
Explanation:
Metaphase in mitosis and metaphase II of meiosis II include alignment of chromosomes along the equator of the cell with help of spindle apparatus. Here, each chromosome has two sister chromatids.
Metaphase I of meiosis I includes alignment of homologous pairs along the equator of the cell. Since the observed cell have individuals chromosomes aligned along the mid line of the cell, it is metaphase of mitosis or metaphase II of meiosis.