Answer:
Megaspore—2n.
Explanation:
Angiosperms are the fruit bearing plants and reproduce by the process of sexual reproduction. The chromosome number are specific at each stage of the cell cycle of the angiosperms.
Microspores , egg are haploid. Zygote is diploid in nature. Megaspores get germinate into the female gametophytes and these are haploid in nature. Megaspores are also haploid in angiosperms.
Thus, the correct answer is option (b).
Answer:
prophase, metaphase, anaphase, and telophase.
Explanation:
Answer:
The rise and fall of the tides. Tides create a current in the oceans, which are strongest near the shore, and in bays and estuaries along the coast. ...
Wind. Winds drive currents that are at or near the ocean's surface. ...
Thermohaline circulation.
Explanation:
For the answer to the question above, the answer is fibrinogen. It is <span>a high-molecular-weight protein in the blood plasma that by the action of thrombin is converted into fibrin; called also factor i. In the clotting mechanism, fibrin threads form a meshwork for the basis of a blood clot.</span>
