Sexual reproduction to increase . the advantage of asexual reproduction is .

First sentence: The right answer is genetic diversity

Among the drawbacks of sexual reproduction are:

* offspring are not necessarily as well adapted to their environment as their parents are,

* a lot of energy is needed to maintain the gametes and to find a reproductive partner.

* mechanisms for gamete transport, fertilization, attraction of the opposite sex and same-sex competition must be in place

* it takes not only two gametes for fertilization, but one must be male and the other female

Second sentence: The right answer is produce large quantities of offspring.

Among the drawbacks of sexual reproduction:

* does not affect the genetic diversity of organisms of the same species genetically identical to the parent.

* the species does not adapt at all or very slowly depending on the circumstances.

* an asexual species may be suddenly destroyed by a disaster that affects all organisms of this species that are genetically identical.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called