Question

give main characteristics of red algae​

Answer 1

Answer:

General Characteristics of Red Algae

Red algae are different from other groups except for diatoms. Listed below are general characteristics of Red Algae.

1) Lack of flagella and centrioles

2) Presence of photosynthetic pigments

3) Found both in marine and freshwater

4)They show biphasic or triphasic life cycle patterns.

5)They are a multicellular, filament, blade structure.

6)Stored food is in the form of starch and polymers of galactan sulphate

7)A pit connection (hole in the septum) is formed between two algal cells.

8)Have a diffuse growth pattern- Apical growth, Complex oogamy (triphasic)

9)These group of red algae is generally found in tropical marine locations

10)The mode of nutrition may either be saprophytic, parasitic or also epiphytic.

11)Their cell walls consist of cellulose and many different types of carbohydrates.

12)Grow on solid surfaces independently or sometimes found attached to other algae.

13)Presence of pit in the cell walls, through which cytoplasmic connec­tions are maintained.

14The male sex organs are known as spermatangium and the female sex organs are called carpogonia or procarp.

15)Mode of Reproduction: It takes place by all the three means: vegetative, asexual and sexual. Asexual mode of reproduction is by monospores and during the sexual mode of reproduction, they undergo alternation of generations.

Answer 2

Answer:

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