英文:Fish have a variety of fins, each with its specific function. 英文同义表达: 第一条:flippers(特指海豚等水生哺乳动物的鳍状肢) 解释:Flippers通常用来描述海豚、海龟等水生哺乳动物的前肢或后肢,这些肢体演化成了帮助它们在水中游动的鳍状结构。 第二条:wing-like append...
top: fins of a typical bony fish bottom: swimming fins fin1 (fĭn) n. 1.A membranous appendage extending from the body of a fish or other aquatic animal, used for propelling, steering, or balancing the body in the water. 2.Something resembling a fin in shape or function, as: ...
which articulate to the skeleton of the girdles of the limbs. The principal function of paired fins is to direct the fish’s movement vertically. In a number of fishes the paired fins perform the functions of swimming, gliding in the air (in flying fishes), crawling on the bottom, or mov...
Environmental Biology of FishesGosline, W.A. (1994) Function and structure in the paired fins of scorpaeniform fishes. Env. Biol. Fish. 40:219- 226.William A. Gosline.Function and structure in the paired fins of scorpaeniform fishes[J]. Environmental Biology of Fishes .1994(3)...
internal structure of fishesInternal structure of fishes. (Top) Skeleton of a perch (order Perciformes). (Bottom) Dissection of a perch.(more) The basic structure and function of the fish body are similar to those of all other vertebrates. The usual four types of tissues are present: surface...
"That gives us more confidence and another data set to say these patterns are real, widespread and important for fishes, not just in the fossil record as it relates to the fin-to-limb transition, but the function of fins broadly."
The absence of the forward pelvic fin migration in flying fishes also affords indirect support. 7. There is no evidence to suggest that the pelvic fins can function as bilge keels, though they may be used actively to produce a rolling moment. 展开 ...
What is the function of scales in fish? Scalesprotect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming. Why the fish has scales summary?
"Until recently, the function of those segments hadn't been clear," he said. Swimming, flying and walking The engineer and his team decided to use computer simulations to examine the mechanical properties of fins. They discovered that those segments can make all the difference. ...
Define vertical fins. vertical fins synonyms, vertical fins pronunciation, vertical fins translation, English dictionary definition of vertical fins. Noun 1. vertical fin - a stabilizer that is part of the vertical tail structure of an airplane tail fin,