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 .
No new substance is produced.
Answer: When you study environmental science, you commit to learning of accomplish important tasks for our Earth and our human population.
Explanation: Hope this helps! :)
That means <span>the fluid portion of the cytoplasm exclusive of organelles and membranes.</span>
The genetic info is found in the nucleus.
