ZOL2601 Assignment 2 Semester 1 2024 (569353)

ZOL2601 Assignment 2 Semester 1 2024 (569353) ... 100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . Assessment 2 Scope: The scope of this assessment is limited to Learning Units 1 and 2 Unique number: 569353 Due date: 2024/03/04 23:00 Answer all five questions (total of 50 marks) Question 1 [10] 1.1. Name four factors that determine the amount of gas that dissolves in water. (4) 1.2. (a) What does the blue line (labelled C) in the graph below represent? (1) (b) Provide a short description of the principle depicted in the graph above, and give the name of the associated equation. (3) 1.3. Provide a concise explanation, in your own words, of Henry’s Law. (2) Question 2 [10] Consider a hypothetical tidal pool that is cut-off from the ocean for two periods of time daily during low tide (between 23:00 and 03:00; and again between 11:00 and 15:00). The pool is connected with the ocean the remainder of the time. Draw a simple graph to illustrate the changes in PO2, PCO2 and pH in such a tidal pool during the 24-hr cycle described above. ZOL2601/101/3/2024 7 Question 3 [10] Make use of simple line diagrams to (1) illustrate the bloodflow in lungfish and (2) to distinguish between ancestral (‘basal’) lungfish and extant (‘living’) lungfish. Question 4 [15] Draw a table to illustrate the main components that are present in blood, as well as their respective functions. Distinguish in your table between components that are present in the plasma versus cellular elements. Question 5 [5] 5.1. Briefly explain what it means if the oxygen dissociation curve (ODC) of an animal shift to the left. (2) 5.2. Name three physiological factors that result in the ODC of an animal shifting to the left. (3) Total: 50 marks