Question

general characteristics of animalia

Answer 1

Answer:

The animal kingdom has been broadly classified into two, based on the presence or absence of notochord- Non-Chordata and Chordata. Chordates possess notochord while non-chordates lack it. Animals belonging to the Phylum Porifera to Phylum Echinoderms are non-chordates.

• These organisms are multicellular, eukaryotic and without chlorophyll.
• The cells possess no cell walls and plastids.
• Central vacuoles are absent but small vacuoles may occur.
• Most of them are free moving (except sponges and some coelentrates)
• Nutrition is primarily ingestive.

Explanation:

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Answer 2

Answer:

1. these organisms are multicellular, eukaryotic and without chlorophyll.
2. Answer:these organisms are multicellular, eukaryotic and without chlorophyll.the cell posses no cell walls and plastids.
3. Answer:these organisms are multicellular, eukaryotic and without chlorophyll.the cell posses no cell walls and plastids.nutrition is primarily indigestive.
4. Answer:these organisms are multicellular, eukaryotic and without chlorophyll.the cell posses no cell walls and plastids.nutrition is primarily indigestive.central vacuoles are absent but small vacuoles may occur.