Many marine invertebrates harbor endosymbiotic spherical algal cells within their tissues. These cells are called _______________.
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Keep practicing — related questions
- The unique characheristic feature of coelenterates is the presence of __________.
- The nematocysts found in coelenterates are specialised structures for __________.
- The organisms of ____________ have pentamerous symmetry.
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- Consider the following statements: (a) Degenerative process of germ cells (i.e. oogonia) is called atresia....
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