A)which member of reptilian has four-chambered heart? b)what are the symbiotic life forms formed by algae and fungi?
Answers
Answer:
a)Crocodilians are the only reptiles which possess four chambered hearts comparable to mammals. Even so, crocodilian cardiac anatomy is quite different from what is seen in birds and mammals. Crocodilians possess two aortas; the right arising from the left ventricle and the left from the right ventricle.
b)Lichens are the symbiotic associations between fungi and algae, wherein the algal partner provides organic food to the fungal partner which in turn provides protection and absorb nutrients. The colour of lichens is due to the pigments of algae.
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Answer:
A) crocodiles have four chambered heart which is a exception in reptiles because all other reptiles has three chambered heart
B)Lichens are the symbiotic association of algae and fungi where fungi provides shelter for algae and algae provides food for fungi
note : Lichens acts as pollution indicators they grow in places only where there is no pollution.
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