I think they discovered chromosomes in DNA so that backed up his Idea
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Answer:
On the basis of physical appearance.
Explanation:
We grouped the lizards into various groups on the basis of similarities and differences in the body structure, appearance and colour etc. The legs of anole lizards are small legs with pads on their feet for gripping surfaces which give them the advantage to climb up the trees while on the other hand, these small legs can't help in the survival on the land because they can't run too fast from their predators with these short legs so these legs has benefit in climbing the tree but disadvantage in running on the land.
Insulin causes blood glucose levels to drop, which signals the pancreas to stop producing insulin in a negative feedback loop. Hormonal stimuli refer to the release of a hormone in response to another hormone. A number of endocrine glands release hormones when stimulated by hormones released by other endocrine organs.
A Organism, but I would say Multi Cellular Organism instead of just organism because a Unicellular organism only has one cell, and all higher levels are made of multiple cells
It is important to study the cell in order to learn about DNA is that there many different processes that help to keep a cell running. In order to know DNA, you need to familiarize yourself with mRNA, tRNA, and rRNA to learn the process of transcription and translation- two very important processes in DNA.