The original Animal Kingdom proposed by Linnaeus included the sponges, jelly fishes, worms, crabs, insects, protozoans, spiders, snails, starfishes, sharks, bony fishes, frogs, lizards, birds & mammals too. Animalia is an illustrated kid's book by Graeme Base. Animalia was published in 1986.
The animal body basically exhibits a definite symmetry form & shape.
- Animals have the ability to move from place to place in search of their necessities.
- Growth & development in animals is determined & occurs proportionately in all parts of the body.
- Animals are generally heterotrophic, depends on plants & other animals for food
- Animals have the property of irritability - the ability to respond to a stimulus.
- The cells, that form an animal's body, do not have a cell wall. Plastids & vacuoles are basically absent & centrioles & lysosomes are present.
- Animal cells cannot synthesize all the necessary vitamins, amino acids, & coenzymes & as such will have to obtain them from external sources.
- Store food is glycogen.
In our next blog we shall learn about plant cell diagram I hope the above explanation was useful.Keep reading and leave your comments.
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