2
2.1
CASE STUDIES
CASE STUDY 1: “Trials of Life”
Objective:
To discuss the different tactics of sexual congress in animals.
Procedure:
1.
Watch the video “Trials of Life” - 20 minutes.
2.
Complete the written tasks and discuss your answers - you have 60
timetabled minutes to complete this assignment in class.
Name one of the following, from examples given in the video:
1.
“r strategist” ___________________________________
2.
“K strategist”___________________________________
3.
Incorporation breeder____________________________
4.
Separation breeder______________________________
5.
Terminal breeder________________________________
6.
Alternate breeder________________________________
7.
True copulator__________________________________
8.
Quasi copulator_________________________________
9.
Monogamous mater______________________________
10.
Polygamous mater_______________________________
11.
Polyandrous mater_______________________________
12.
Polygynous mater________________________________
13.
Promiscuous mater_______________________________
Choose both a r and K strategist species from the video and outline:
Species
Strategy
r
K
Tactic of sexual
congress
(eg alternation)
Copulation method
(eg spawn)
Mating strategy
(eg monogomous)
Specialised mating strategy
(eg locking genitals)
Advantages
Disadvantages