NEET BIOLOGY

Detailed explanation-1: -A dichotomous key is a tool that can be used to identify organisms or objects in the natural world, such as plants, animals, or rocks. The key consists of a series of paired statements or clues about features or characteristics, providing a stepwise guide toward identifying each entity.

Detailed explanation-2: -A dichotomous key is an important scientific tool, used to identify different organisms, based the organism’s observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.

Detailed explanation-3: -For example, in tree identification, a dichotomous key might ask whether the tree has leaves or needles. The key then directs the user down one list of questions if the tree has leaves, and a different question list if it has needles.

Detailed explanation-4: -In biology, an identification key, taxonomic key, or biological key is a printed or computer-aided device that aids the identification of biological entities, such as plants, animals, fossils, microorganisms, and pollen grains.

Detailed explanation-5: -A dichotomous key work by asking questions about an organism to which there is only a yes or no response. Depending on the yes or no answer, the researcher is taken on a certain path through levels of classification until the organism is identified.