2024年11月30日 · Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing for the continued existence of species. Learn more about the process of reproduction in this article.

2024年11月30日 · Reproduction - Asexual, Sexual, Alternation: Although organisms are often thought of only as adults, and reproduction is considered to be the formation of a new adult resembling the adult of the previous generation, a living organism, in reality, is an organism for its entire life cycle, from fertilized egg to adult, not for just one short part ...

2024年11月30日 · Reproduction - Asexual, Sexual, Reproductive Strategies: In single-celled organisms (e.g., bacteria, protozoans, many algae, and some fungi), organismic and cell reproduction are synonymous, for the cell is the whole organism.

2024年12月9日 · Sexual reproduction, the production of new organisms by the combination of genetic information of two individuals of different sexes. In most species the genetic information is carried on chromosomes in the nucleus of gametes, which then unite to form a diploid zygote.

reproduction, Process by which organisms replicate themselves, assuring continuation of their species. The two basic forms are asexual and sexual. Asexual reproduction (e.g., fission, spore formation, regeneration, and vegetative reproduction) produces an offspring genetically identical to its single parent.

2024年12月16日 · This articles describes the organs, both male and female, that are involved in human reproduction. The reproductive process itself is covered in other articles. For a detailed discussion of the series of changes that occur in a woman’s …

Reproduction is the process by which a living organism creates a likeness of itself. The process may be either asexual—meaning that an organism reproduces by itself alone—or sexual—which requires both male and female sex cells.

Most animals use sexual reproduction to have babies. This means that two sex cells, one from a male and one from a female, join together to create a baby. In some animals, including many types of fish, the male and female sex cells join together in water, outside the female’s body.

2024年11月30日 · Reproduction - Binary Fission, Asexual, Prokaryotes: Of the various kinds of cell division, the most common mode is binary fission, the division of a cell into two separate and similar parts. In bacteria (prokaryotes) the chromosome (the body that contains the DNA and associated proteins) replicates and then divides in two, after which a cell ...

2025年1月1日 · Vegetative reproduction, any form of asexual reproduction occurring in plants in which a new plant grows from a fragment of the parent plant or grows from a specialized reproductive structure, such as a stolon, rhizome, tuber, corm, or bulb. Learn about natural and horticultural vegetative reproduction.