Group Living

Question 1

examples of group living in sharks + bony fish

Answer 1

hammerheads, fish bait balls, salmon

Question 2

examples of group living in marine reptiles

Answer 2

sea snakes shared foraging, marine iguana aggregations

Question 3

examples of group living in birds

Answer 3

northern gannets breeding congregation

Question 5

pros of living in groups

Answer 5

clumped resources, protection, finding mated, group hiunting

Question 6

what type of protection does living in groups provide

Answer 6

safety in numbers, dilution effect, serlfish herding, confusion, communual denfence, vigilance

Question 7

coloniality

Answer 7

aggregatoins of indivs for breeding + raising offspring

Question 8

costs of colonial living

Answer 8

comp for food, space + mates, disease transmissoin, predator attraction

Question 9

pros of colonial living

Answer 9

site availability, predator defence, foraging efficiency, social facilitation, mater finding (hidden leks)

Question 10

types of social faciltiation

Answer 10

courtship behaviour, contest behaviour, hidden leks

Question 11

information centre hypothesis

Answer 11

indivs returning w/ food are information sources

Question 12

types of improved foragig from group living

Answer 12

information centre hypothesis, local enhancement

Question 13

local enhancement

Answer 13

indivs see others foraging from far away

Question 14

info is a common currency for what

Answer 14

pre defence + detection, mate finding, display, habitat selection, foraging