WebFish use gills for gas exchange. Gills have numerous folds that give them a very large surface area. The rows of gill filaments have many protrusions called gill lamellae. The folds are kept supported and moist by the water that is continually pumped through the mouth and over the gills. /**/ /**/ Fish also have an efficient transport system within the lamellae … WebA gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. Gills are simply layers of tissue adapted …

What type of adaptation are fish gills? – Wisdom-Advices

WebPrimitive bivalves have paired gills that are small; in most other bivalves the gills are greatly enlarged. The vascular system contains the heart comprising a medial ventricle with left and right auricles. The reproductive system is simple. The most significant adaptation is the shell with two valves that wholly contains the animal. The oldest known bivalves were … Web7 jul. 2024 · Fish have gills that allow them to breathe oxygen in water. They are typically long and narrow, which reduces water resistance when they swim. Why are gills … shapiro insurance cape coral fl

Animal organisation - gaseous exchange systems - BBC Bitesize

Web14 jul. 2024 · The subclass pulmonata and order Stylommatophora, to which Anguispira alternata is classified, have developed lungs instead of gills in order to breath on land. … WebGills are short threaded proteins called filaments that make up tissues. These filaments perform a variety of functions, including ions and water transfer, as well as oxygen, … WebMammals have air-filled spaces in their ears and lungs, all of which have the potential to collapse under high pressures. Some marine mammals have adaptations that fill the air … shapiro invaluable