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reproduction

Primary Information
Secondary Information

Definition

Reproduction is the process by which organisms create new individuals of their own kind. It is essential for the survival of all species, as it ensures that the genetic material of the organism is passed on to future generations.

There are two main types of reproduction: asexual reproduction and sexual reproduction.

Asexual reproduction is a type of reproduction in which a single organism produces offspring that are genetically identical to the parent. This type of reproduction is common in single-celled organisms, such as bacteria, and in some multicellular organisms, such as plants.

Sexual reproduction is a type of reproduction in which two organisms, called parents, produce offspring that have a combination of the genetic material from both parents. This type of reproduction is more complex than asexual reproduction, but it allows for greater genetic variation among offspring, which can be beneficial for the survival of the species.

Reproduction is a complex process that is essential for the survival of all species. It is important to understand the different types of reproduction and how they work in order to appreciate the diversity of life on Earth.

How can the word be used?

The reproduction of plants and animals is essential for the survival of the species.

reproduction

Different forms of the word

Noun:

  • the act or process of producing offspring.
  • the creation of something new.
  • a copy or imitation of something.

Etymology

The word "reproduction" comes from the Latin word "reproducere", which means "to produce again".

The first recorded use of the word "reproduction" in English was in the 16th century.

Question

What does reproduction mean?

AQA Science Exam Question and Answer

Question:

Explain the difference between sexual and asexual reproduction, providing examples of each. Describe the advantages and disadvantages of each type of reproduction in terms of genetic diversity and adaptability.

Answer:

Sexual reproduction and asexual reproduction are two distinct methods by which organisms produce offspring. Sexual reproduction involves the fusion of gametes (sex cells) from two parents, resulting in genetic diversity in the offspring. For example, humans reproduce sexually through the fertilisation of egg and sperm cells.

Asexual reproduction, on the other hand, involves the production of offspring from a single parent without the involvement of gametes. A common example is binary fission in bacteria, where a single cell divides into two identical daughter cells.

Advantages of sexual reproduction include increased genetic diversity, which allows for adaptation to changing environments and the potential to eliminate harmful mutations. It also fosters the evolution of new traits and enhances the species' resilience against diseases. However, sexual reproduction requires finding a mate and involves complex processes like meiosis, which can be energy-intensive.

Asexual reproduction's main advantage is efficiency in favourable environments, as offspring can be produced quickly without the need to find a mate. However, the lack of genetic diversity can limit adaptability to changing conditions and increase vulnerability to diseases.