term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Define social behaviours.
Interactions with members of one's own species, including mates, offspring, other relatives and unrelated individuals.
Define dilution effect.
The reduced, or diluted, probability of predation to a single animal when it is a group.
Define a lek.
The location of an animal aggregation to put on a display to attract the opposite sex.
Define a dominance hierarchy.
A social ranking among individuals in a group typically determined through contests such as fighting, strength or skill.
What are the differences between a donor and a recipient?
A _______ directs behaviour toward another individual as part of a social interaction whereas a _________ receives the behaviour through the _____ social interaction.
Define cooperation.
When the donor and the recipient of a social behaviour both benefit from an interaction i.e a lion sharing it kill.
Define altruism.
A social interaction that increases recipient fitness and decreases the fitness of the donor.
What is the difference between indirect fitness and inclusive fitness?
_________ is the fitness an individual gains by helping relatives pass on their genes whereas _________ is the sum of direct fitness and indirect fitness.
What is the difference between direct and indirect selection?
__________ selection favours direct fitness while __________ selection favours indirect fitness.
What is the formula for indirect fitness?
Indirect fitness benefit = B x r
Where:
B = benefit given to a recipient relative.
r = coefficient of relatedness between donor and recipient.
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!