Biology, asked by Pallvi1, 1 year ago

tell me answers of these questions

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Answered by bhupesh99
0
binary fission indicates the organism divides into 2 daughter organisms whereas multiple fission indicates the organism divides into multiple daughter organisms
the organism gets benefitted through spore formation because the spores can be spread through water,air e.t.c
the regeneration process happens accidentally so it is not considered as asexual reproduction
in plants to get the specific characters in plants vegetative propagation is followed by stem,root , leaves
Answered by genius22
1
****Heyy friend here is ur answer****

Ans:-1) In binary fission, only 2 daughter cells are formed from the splitting of the parent cell. In multiple fission, many daughter cells are produced simultaneously from the parent cell. In binary fission, the parent nucleus divides only once, forming 2 nuclei. In multiple fission, the nucleus undergoes several divisions, producing a number of nuclei.

Ans:-2) Reproduction through spores gives several advantages to an organism. Some of them are as follows:
a) Spores can remain dormant till favourable conditions become available.
b) Spores help an organism to tide over the bad phase.
c) Spores can be spread through water, air or animals and thus is good for the spread of an organism to more places.

Ans:-3) Regeneration happens through mitosis and a particular type of tissue can give rise to its own kind only. In complex organisms, different tissues and organs have altogether different structures. Regenerating a different kind of tissue from another kind is not possible. Hence, complex organisms are unable to give rise to new individuals through regeneration.

Ans:-4) Vegetative propagation has some inherent advantages. It takes less time to grow a plant through vegetative propagation. Different traits of a species can be developed on the same plant through this process. Many plants grown through vegetative propagation take less time to give fruits and other beneficial plant produce. These are the reason, vegetative propagation is practiced for growing some types of plants.

Ans:-5) DNAs are the carriers of genetic information. For an organism to produce its own kind, it becomes necessary that the offspring get similar DNAs as in parents. DNA replication is the way through which a cell makes additional copies of DNA so that they can be transferred to the offspring. This explains how DNA copying is an essential part of the process of replication.

Hope it was helpful:-)

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