1. phylum Annelida,
hupilla
Chordata
2. differentiate between flat worms and
3. Give an account on
Outline the flow charts of Phylum
round worms?
4. list five characteristic features of fishes.
5. Comment on the aquatic and terrestrial
Aabits of amphibians.
6. How are the limbs of the birds adapted
ravian life
Answers
Answer:
The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.
Furthermore, Nematoda has a pseudocoelom while Annelida has a true coelom. Nematoda and Annelida are two animal phyla that consist of invertebrates with elongated bodies. Most Nematodes are parasites in plants or animals while most annelids are free-living in the soil,
2. Like the Phylum Platyhelminthes, the Phylum Nematoda consists of bilaterally symmetrical animals that have the organ system level of organization.
What characteristics are common to all worms? Flat, round, and segmented worms all have tissues, organs, and organ systems. They are the simplest organisms with brains. They also have bilateral symmetry, giving them heads and tails.
tructural Characteristics
An earthworm's body is streamlined and every segment contains a number of bristles called setae. The streamlined shape helps the earthworm travel through soil, and the bristles improve grip if the soil is wet. Circular muscles surround every segment of an earthworm's body
Explanation:
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