What stage of life does the sponge move?8/25/2023 This is typically the case in what is known as asexual reproduction. In some cases, the copy of the DNA is nearly exact, and the offspring develop from a single parent. Asexual reproductionįundamentally, reproduction is the copying of an individual animal's DNA combined with transferring the copy into a newly formed individual. In other words, the life history of any individual animal comprises the processes of reproduction and development in turn, each of these processes is broken down into other more specific processes, each designed to accomplish a particular function. This entire cycle of development is generally known as the life history of an individual animal. If it is to reproduce, it must usually become multicellular as well, and must ultimately mature to be anatomically similar to its parent. The offspring, however, begins its individual life as a single cell rather than as a multicellular animal like its parent. This individual parent animal reproduces to form another new individual offspring. But reproduction, like most basic biological functions, occurs primarily at the level of a single individual that may interact with another individual to exchange genetic information through the transfer of DNA. ![]() For this reason, the ability to reproduce is often considered to be one of the most important defining characteristics of life. The genes are exchanged among the members of the species through a variety of mechanisms, all of which are related in some way to the process of reproduction. ![]() The genes determine all of the animal's characteristics, and are made of the complex molecule known as DNA. Reproduction, development, and life history What is a life history?Įach animal species can be viewed as a collection of individuals, all sharing a common pool of genes.
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