Which of the following must occur for speciation to happen?
geographic isolation
reproductive isolation
temporal isolation
behavioral isolation

Reproductive isolation is necessary for speciation. It is a process by which new species of plants and animals are created.

Further Explanation:

Speciation is a technique used to create new kinds of plants and animals. It occurs when a group of species differ from other species and develop their new characteristics. They differ from their ancestors based on the environment they live in and characteristics.

The speciation is performed in five forms: allopathic, peripatric, sympatric and artificial. Allopatric speciation occurs when two different groups of species are formed from the single species. These two species are isolated from each other. Peripatric speciation occurs when an individual species break off from a large group and form a new species. Sympatric speciation occurs when a species cover a large geographical area. Artificial speciation is the creation of new species by a human.

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Answer Details:

Grade: High school

Subject: Biology

Chapter: Evolution.

Keywords:

Reproduction, isolation, speciation, species, ancestors, characteristics, allopathic, peripatric, sympatric, articial, geographical, plants and animal.

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

the most common energy conversion is from kinetic energy to potential energy, and then from potential energy to kinetic energy.

later on comes the heat energy, mechanical energy, and other energy conversions.

this energy conversion is so common that we can find it in our day to day lives as well.

- one of the most common energy conversions involves the changing of potential energy to kinetic energy or kinetic energy to potential energy