compare the lifestyles (particularly in activity terms( o the four different spe
ID: 84151 • Letter: C
Question
compare the lifestyles (particularly in activity terms( o the four different species of fish). Ensure you state the evidence from the table when making comparison
Q7. Using the activity terms) of the four different species of fish the table when making comparisons. (10 marks) ne table w or the four differ vided in table 1 compare the lifestyles (particularly in information provided in table 1 compare the lifes nt species of fish. Ensure you state the evidence from Table 1, Elements of gill structure in different species of fish Species Thickness of Lamellae Distance Blood/water distance lamella (mm) number/mem between lamellas' (mm) 10 Bullhead 25 14 45 Eel 26 17 30 Trout 12 23 35 32 25 Mackerel 63 123 562 2215Explanation / Answer
The large surface area provided by gillfilaments and lamellae allow the fish to be efficient for gas exchange.
*The number of lamellae is directly proportional to its surface area. Greater the surface area , greater is the rate of diffusion.
*The thickness of lamellae is inversely proportional to its surface area. Lesser the lamellar thickenss, greater is the surface area and hence the rate of diffusion
*The distance between lamellae is inversely proportional to its surface area. Lesser the distance between the lamellae, greater is the surface area and hence the rate of diffusion.
* The higher blood/H2O water distance at the lamellar site, greater is the rate of diffusion because of higher rate of oxygen uptake for respiration.
Based on the above statements, the activity of fish can be classified as fast, intermediate and sluggish forms.
Mackerel fish is considered as fast swimmer as it has more no lamellae, less thickness and slower blood/H2O distance compared to others.
Trout and Eel fishes are considered as intermediate swimmers as it has less no of lamellae, more thickness and higher blood/H2O distance compared to mackerel.
Bullhead fish is considered as sluggish swimmer as it has less no of lamellae, more thickness and more higher blood/H2O distance compared to others.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.