<span>Roundworms - Phylum Nematoda Characteristics: 1. Separate sexes 2. Larvae = miniature adults Eggs
infective for humans-It is dioecious with sexual dimorphism; that is,
the male, and female worms look distinctly different, the male being
smaller with a curled tail. pinworm or whipworm Larvae infective for
human-the parasitic worm is called heartworm, because the adult stage is
often in the animal host's heart, where it can kill its host through
congestive heart failure.</span>
A double diet is where an organism gets nutrition from plants/meat and the sunlight. An advantage is that they can stay energised for a long time without having to eat by just staying in direct sunlight.
Determination of specific cells for certain functions changes resulting from induction the occurrence of mRNAs for the production of tissue-specific proteins changes in the size and shape of the cell cell.