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26) State two similarities between(i) Arthropoda and Mollusca(ii) Turtle and Pila(iii) Frog and Crocodile27) Why is S-A node called the pacemaker of the heart?28) Draw an outline diagram showing the two main stages of photosynthesis?29) Define the term(i) Hypoxia(ii) Emphysema30) Difference between mitochondria and chloroplasts. |
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Answer» Answer: 1 arthropoda a :- largest phylum of animalia , include ⅔ all species on.earth b ;- they are bilateral symmetry , triploblastic , COELOMATE animals and SEGMENTED 2. mollusca a:- SECOND larges of animalia b :- they are bilateral symmetry, triploblastic, coelomate animals |
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