A, Kingdom Monera (Archaebacteria) - Numerous members of the remaining kingdoms (Fungi, Plantae, Protista) are not microscopic and hence do not require a microscope to be viewed.
Answer:
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.
Explanation:
prevents backflow into the left atrium
Answer:
E.All chordates have ventral l, hollow nerve cord
D.All chordates are bilaterally symmetrical animals