In which of the following environmental conditions, cells of osmoregulators cannot survive without water?
a) land
b) fresh water
c) sea water
d) all of these
Some animals have their body fluid concentration same to their external environment; such animals are called…
a) osmoregulators
b) osmoconformers
c) thermoregulators
d) all of these
Explanation: Osmoconformers are organisms that keep their internal fluids isotonic to their environment, that is, they maintain an internal salinity similar to their ambient conditions (e.g., most marine invertebrates, seagrass).
Which of the following are osmoregulators?
a) all land invertebrates
b) most marine animals
c) some aquatic marine animals
d) both a and b
Which of the following animals have body fluid isotonic with respect to their external environment?
a) osmoregulators
b) osmoconformers
c) thermoregulators
d) all of these
Which of the following is NOT osmoconformers?
a) hagfish
b) squaid
c) salmon
d) all of these
Osmoregulation in Animals of Different Environment:
