Question

short not on radiolarians and heliozoans?

Answer 1

they take their name from the radial symmetry, often marked by radial skeletal spines, characteristic of many forms. Nevertheless, many other forms lack such radial symmetry. Skeletal elements of radiolarians, even the radially symmetrical ones, do not actually meet at the center of the organism.

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Answer 2

Hey..mate here is yur ans...

1) Heliozoans..➡

⏩ This body are Spherically symmetrical may or may not be covered by cell. Some time calecious shell is not present they are commonly known as sun animal cule.

2) Radiolarians..➡

⏩ These are found in Marine water only.

⏩ Thier body is covered by calecious shell.

⏩ Locomotion by axopodia.

⏩ Their Calecious shell deposit at sea bottom and helps in forming rocks along with diatomeceous earth ( deposited diatoms.).

Hope it helps u..!!✌