Question

Give the characteristics of flatworms, algae, round worms. Give their phylum too.

Answer 1

Characteristics: Flatworms are unsegmented worms with a tail and a head end. They are bilaterally symmetrical with a definite upper and lower surface. They have no bodycavity or and no specialized respiratory or circulatory organs.phyllum-platehelminthus.
Algae are eukaryotic organisms that have no roots, stems, or leaves but do have chlorophyll and other pigments for carrying out photosynthesis. Algae can be multicellular or unicellular. ... Algae live with fungi in lichens.
Phylum Nematoda consists of the nematodes or roundworms. They are characterized by their long, thin, tube-like appearance that lacks a visually distinct head or tail. ... Roundwormshave a complete digestive tract with a mouth and an anus, though they lack a respiratory or circulatory system.

Answer 2

Characteristics:

1. Flatworms: Phylum Platyhelminthes Characteristics: They are usually bilaterally symmetrical having tissue level of organization. They have an incomplete digestive system and respiratory system.
2. Algae: They have no roots and stems unlike plants but they have proper pigmentation for photosynthesis.
3. Round worm: Phylum nemathelmenthis Characteristics: They are radially symmetrical. They have an organ level of organization. They have a full alimentary canal from mouth to anus. They have body cavity present.