Answer:
Protosomes
Explanation:
Protosome is a multicellular organism whose mouth grows before the anus from a primary embryonic opening which includesphyla mollusk, arthropod or annelid. Protosomes are developed by spiral cleavage during embryo development.
Protosome animals have bilateral symmetry and three germ layers. Some of the examples of protostomes are snails and slugs (mollusk), earthworms (annelids), and spiders, lobsters, barnacles (arthropods).
Hence, the correct answer is Protosomes .
Observation the action or process of observing something or someone carefully or in order to gain information:
Answer:
chloroplast........................
<span>exfoliative dermatitis
</span>Generalized exfoliative dermatitis<span> is a severe inflammation of the entire skin surface due to a reaction to certain drugs, a pre-existing skin condition and sometimes cancer. In approximately 25 percent of people, there is no identifiable cause. It is characterized by redness and scaling of the skin that begins in patches and spreads.</span>