Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Biology Diversity in The Living World Animal Kingdom
In the absence of a closed vascular system, how do sponges manage to distribute the nutritive substances from choanocytes to rest of the cells?
1
Through cell to cell diffusion.
2
Through mesogloea which acts as the food reservoir and distribution system.
3
Through the wandering cells, amoebocytes
4
Through cell to cell diffusion and amoebocytes