The neuron, or nerve cell, is the basic functional unit of the nervous system
Answer:
The organic compounds that scientists use to cut copy and move segments of DNA are enzymes
Answer:
Option B, Snakes and lizards share a common ancestor.
Explanation:
From the description provided, it is clear that both the lizard and snake (including pythons) have evolved from the same ancestors which had hind legs. Since both the organism (i.e lizard and snake) underwent evolution (differently) for million of years such that the hind legs in lizard are visible and used even today but the hind legs in snakes are buried in muscles toward their tail ends and are not used. Such features which are not used at all or are poorly used are called as vestigial organs.
Hence, option B is correct
Answer: have true roots, stems, and leaves
may have seeds
may not have seeds
have vascular tissue
Explanation:
some vascular plants have seeds and some do not.
they have vascular tissue such as xylem and phloem
they have true roots, stems, and leaves
