What is Osmoregulator and Osmoconformer?

Osmoregulators are a type of aquatic organisms that can live either in freshwater or marine habitats. On the other hand, osmoconformers are mainly marine organisms that can live in a wide range of salinities. Generally, they match their internal osmolarity to the osmolarity of the outside environment.

What are osmoconformers give examples?

Most osmoconformers are marine invertebrates such as echinoderms (such as starfish), mussels, marine crabs, lobsters, jellyfish, ascidians (sea squirts – primitive chordates), and scallops. Some insects are also osmoconformers.

What does Osmoconformer mean?

Osmoconformers are organisms that remain isotonic with seawater by conforming their body fluid concentrations to changes in seawater concentration.

What are the two types of osmoregulation?

Two major types of osmoregulation are osmoconformers and osmoregulators. 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.

How are osmoconformers different from osmoregulators in fish?

Figure 41.1 D. 1: Salmon physiology responds to freshwater and seawater to maintain osmotic balance: Fish are osmoregulators, but must use different mechanisms to survive in (a) freshwater or (b) saltwater environments. Most marine invertebrates, on the other hand, may be isotonic with sea water (osmoconformers).

How are osmoconformers related to the body osmolarity?

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.

Why are Osmoregulators more common in marine invertebrates?

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, which always stays constant, and are more common in the animal kingdom.

What kind of environment does an osmoconformer live in?

Osmoconformers are organisms that live in the marine environment and have the ability to maintain the internal body osmotic pressure, irrespective of the external environment.

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