Class 11 Biology - Chapter Animal Kingdom NCERT Solutions | Differentiate between: a. Open circulat
Differentiate between:
a. Open circulatory system and closed circulatory system
b. Oviparous and viviparous characteristic
c. Direct development and Indirect development
a. Open circulatory system: Blood is pumped to the cells and tissues directly without the help of series of vessels.
Closed circulatory system: Blood is pumped to the cells and tissues with the help of series of vessels.
b. Oviparous: Animals which lay eggs are called oviparous. Oviparous animals or organisms look after their eggs after laying them.
Viviparous: Animals which gives birth to the young one individuals are called viviparous. They show parental care after their birth.
c. Direct development: When a larval stage is absent in the development of an organism is known as direct development.
Indirect development: When a larval stage is present in the development of organism, which do not resembles the adult.
More Questions From Class 11 Biology - Chapter Animal Kingdom
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- Q:- Match the following:
(a) Operculum (i) Ctenophora
(b) Parapodia (ii) Mollusca
(c) Scales (iii) Porifera
(d) Comb plates (iv) Reptilia
(e) Radula (v) Annelida
(f) Hairs (vi) Cyclostomata and Chondrichthyes
(g) Choanocytes (vii) Mammalia
(h) Gill slits (viii) Osteichthyes - Q:- Water vascular system is the characteristic of which group of the following:
(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata - Q:- How useful is the study of the nature of body cavity and coelom in the classification of animals?
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