i need answer plz for all of these t 2: Vertebrate Physiology vertebrate Skeleto

Question

i need answer plz for all of these

t 2: Vertebrate Physiology vertebrate Skeleton Lab.pdf Cartilaginous skeletons Class Chondrichthyes: The cartiaginqus fish are so caled because their endoskrleton is composed of lesbie cartage This is considered derkedcharacter as the acesters of thondrichth im had boy dnnons but members of this class lost this deature The cartlogihous skeleton is beleved to give more neibility, and alaw for the more powerful swimming movements of some members of this group Station : See the shark jaw on display for an example of cartilage. Compare it to the real human skull made of bone. Which one fees softer or more flexible? Do not try to bend the material) Bony skeletons Bony fish possess an endoskdleton made of bone. The Class Actinoptervai includes the ray-Ensed Sshes because their firs are supported bry bony rays and are more rigid thon what ih seen is Chondrichthyers Station 3: See the fish skeleton on diplay. Menity the tollawing benes:ibs, vertebrat, masila, dentary. opercular bones, fin spines Describe the structures making up the fims: Do you think these structures are geod for supporting weight? Does this specimen have a vertebral column? Terrestrial animals are believes to hawe evolved from the sturdy lobe fin fiahas which alsa possess a seleton made af bone. However, the bones of ther firs were different thos the ray-Iinned sshen. Describe the fins of lobe- fin Sshes How do lobe-fin fish use their fins? Nent Previous

Explanation / Answer

Situation-2: In sharks elastic cartilage is more softer and flexible than hyaline cartilage.Cartilage is much lighter than bone and helps in swimming and also allows shark to move quicker and make sharp turns.

Situation-3:

* Fins are composed of bony or soft spines called rays. It functions as foils that stabilise motion.

*Yes, they help in supporting weight.

*Yes, it has vertebral column.

* The lobe fin fishes are bony, fleshy, lobed and paired which are joined to the body by single bone.They have scaly stalk extending from body.

*They use their fins to stabilise their movement through the water.

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.