The correct option is (B) reproductive isolation.
Further explanation:
Reproductive isolation must occur for speciation to happen. Reproductive isolation refers to when two or more groups of animals live together or close enough to interact but they are not able to interbreed. There are various reasons why organisms cannot mate, which can be divided into two categories: post-zygotic barrier and pre-zygotic barrier.
REPRODUCTIVE ISOLATION
A species is a collection or group of living organisms such as plants and animals that can exchange genes and interbreed. There are many reasons which separate or divide one population into two or more groups.
Reproductive isolation can be referred as a collection of behavior, psychological processes and behaviors which prevent production of offspring after mating of two different species.
A species has ability to reproduce on which our biodiversity depends. If a species fails to reproduce then it will be disappeared. There are various factors that play an important role in it like climatic conditions of a particular region.
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Answer details:
Grade: High School
Subject: Biology
Topic: Reproductive Isolation
Keywords: reproductive, isolation, post-zygotic, pre-zygotic, behaviors, biodiversity, genes, organisms, mating
(B) reproductive isolation must occur for speciation to happen.
A species is a group or institution of living organisms such as plant life and animals that can trade genes and interbreed. there are numerous motives that separate or divide one population into or more businesses. Reproductive isolation may be referred to as a collection of behavior, mental procedures, and behaviors that prevent the manufacturing of offspring after mating two specific species.
A species has the ability to reproduce which our biodiversity relies upon. If a species fails to reproduce then it will be disappeared. there are numerous factors that play a vital function in it like climatic conditions of a particular area. Reproductive isolation has to occur for speciation to manifest. Reproductive isolation refers to whilst or extra groups of animals stay together or near sufficient to engage but they're not capable of interbreeding. There are numerous reasons why organisms can not mate, which can be divided into two classes: put an up-zygotic barrier and a pre-zygotic barrier.
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