Multiple Choice
Which phylum of protozoa contains organisms that are non-motile?
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1. Introduction to Biology
Introduction to Taxonomy
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Which structure in the angiosperm life cycle is responsible for producing male gametes?
A
Sepal
B
Stigma
C
Ovary
D
Anther
Verified step by step guidance1
Understand the question: The problem is asking which structure in the angiosperm life cycle produces male gametes. Male gametes in plants are sperm cells, which are part of the reproductive process.
Recall the function of each structure listed: The sepal is a protective structure for the flower bud, the stigma is part of the female reproductive organ where pollen lands, and the ovary contains ovules that develop into seeds after fertilization.
Focus on the anther: The anther is part of the stamen, which is the male reproductive organ in flowers. It produces pollen grains, which contain the male gametes (sperm cells).
Connect the concept: Pollen grains are produced in the anther through a process called microsporogenesis. Inside the pollen grains, male gametes are formed through mitosis of the generative cell.
Conclude: Based on the above information, the anther is the structure responsible for producing male gametes in the angiosperm life cycle.
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