Answer:
The platypus serves as a 'bridge' animal between nonmammals like birds and reptiles, which maintain their testicles in their body cavity, and placental and marsupial mammals, which hold their testes in an external scrotum."
Viruses aren't made out of cells.
Materials eliciting increased tongue flicking and prey attack in garter snakes were isolated from both earthworm and fish prey. New extraction methods based on chloroform-methanol mixtures are valuable adjuncts to the more typical aqueous preparations. Both high- and low-molecular weight components from earthworms and fish were active. The similarity between the active chemicals in these two classes of prey was established using several methods of analysis.
Answer:
This is not correct, don't pick Given enough time, most existing species will gradually branch into new species.
Explanation:
It might be Species accumulate their unique features rapidly, then change little for the duration of the species.
All the cells in an organism should have the same no. of chromosomes i.e. in this case 23 pairs , as each cell carries the same DNA .
