(Rice) is a Complex carbohydrate because they are made of sugar molecules strung together in complex strands.
Answer:
The correct answer is option B, that is, an endoskeleton evolved to enclose the dorsal nerve cord, which develops from the notochord.
Explanation:
It has been discovered that the ancestors of the modern-day fish were vertebrate chordates. The vertebrate chordates are considered to have evolved from the invertebrate chordates that are identical to the present day tunicates. It has been found that in vertebrates the endoskeleton has evolved to encompass the dorsal nerve cord that has been developed from the notochord (a characteristic of invertebrates).
The answer is d. semi permeable nature of the membrane
An ancient medicinal plant
Answer:
They are cells that contiain only one complete set of chromosomes
