20.1) Write two characteristics of each with example . a.nematoda
b. Gymnosperm
c. Pisces
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a) Nematoda - Characteristics of Nematoda
They are cylindrical in shape. They exhibit tissue level organization. Their body has a cavity or pseudocoelom. The alimentary canal is distinct, with the mouth and the anus.
Ex :- Ascaridida,Roundworms etc ......
b) Gymnosperm - Gymnosperms are a group of plants with the following unique characteristics:
- They do not have an outer covering or shell around their seeds.
- They do not produce flowers.
- They do not produce fruits.
- They are pollinated by the wind.
Ex :- Scots pine,Giant sequoia etc ......
c) Pisces - They are generous, amiable, positive natured people with a deep sense of kindness and compassion. Pisces are highly tuned in to everything around them including the feelings of others. Pisces are socially popular because of their easygoing and likable manner.
Ex :- Goldfish,Blue Tang etc .....
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