external gill उदाहरण वाक्य

Now, we know that they are widely different from heterostracans, in particular in retaining about ten separate external gill openings.
When they hatch, the young resemble tadpoles, with external gills, and only later develop lungs and begin to breathe air.
Three pairs of external gill stalks ( rami ) originate behind their heads and are used to move oxygenated water.
In contrast to most other salamanders, they have external gills bunched together on the neck in both larval and adult states.
Whereas damselfly nymphs have three feathery external gills, dragonfly nymphs have internal gills, located around the fourth and fifth abdominal segments.

The nymphs physically resemble wingless adults, but often have external gills, which may be present on almost any part of the body.
External gills do not return in subsequent aquatic phases because these are completely absorbed upon leaving the water for the first time.
It illustrates three important features about the nudibranch's anatomy : The tentacles, the external gills on the back and the bright colors.
The blades of the cephalofoil are folded back along the body, and there are long external gill filaments protruding from the gill slits.
Dwarf sirens possess external gills throughout adulthood and lack Siren " in that dwarf sirens have three toes on each foot rather than four.