Question

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction? A. The sperm allow morphogenesis to proceed. B. Sperm trigger egg activation. C. Cell differentiation is initiated by the sperm. D. Sperm are necessary to produce a diploid zygote.

Answer 1

Sperm is necessary for reproduction because sperm trigger egg activation. the correct answer is option(b).

The biological process of reproduction is how new, distinct creatures, or "offspring," are created from their "parent" or "parents." Every single organism exists as a result of reproduction, which is a fundamental aspect of all known life. Asexual and sexual reproduction are the two types.

Male reproductive cells, often known as sperm or spermatozoa, are generated by most mammals. All sperm are flagellated, or have a whip-like tail, with the exception of nematode worms, decapods (like crayfish), diplopods (like millipedes), and mites. The complex material known as semen is produced by the male reproductive system. Most of the stuff in the fluid is water, plasma, and mucus (a lubricating substance). It also has 5 to 25 calories and is made up of trace levels of calcium and other important elements.

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