Do echinoderms contain an excretory system
Do echinoderms contain an excretory system? How is the excretion completed in such animals? Answer: Echinoderms do not contain an excretory system. Their excretions are removed by diffusion.
Do echinoderms contain an excretory system? How is the excretion completed in such animals?
Answer: Echinoderms do not contain an excretory system. Their excretions are removed by diffusion.
Give a brief explanation of the typical vegetation of the grasslands?
Specify the vitamins which make up B complex? State the problems that may result due to death of these vitamins?
Regarding the existence of nucleus what is the basic difference between bacterial and animal cells?
State digestive functions of liver?
How dissimilar is the amphibian heart from the fish heart?
State if there exist any flying and aquatic mammals?
When an insect larva is inside the cocoon, is really a stage of the total biological inactivity?
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