Question

After removing the hard shell of an egg by dissolving in dilute hcl a semipermeable membrane is visible if such an egg is kept in a saturated solution of common salt the size of the egg will

Answer 1

Osmoconformers match their body osmolarity to their environment actively or passively. Most marine invertebrates are osmoconformers, although their ionic composition may be different from that of seawater. Osmoregulators tightly regulate their body osmolarity, maintaining constant internal conditions.