Grouping

Question 1

Reasons animals might form a group.

Answer 1

Predation protection
Enhanced foraging
Thermal regulation
Social learning
Reproductive success
Nurturing benefits

Question 2

Mechanisms of grouping for predation protection

Answer 2

Dilution effect, confusion effect and increased vigilance.

Question 3

Examples for dilution effect

Answer 3

Sardines (Sardina pilchardus)

Question 4

Example for confusion effect

Answer 4

Zebra (Eqqus quaga)

Question 5

Example for vigilance

Answer 5

Meerkats (Suricata suricata)

Question 6

Food acquisition example

Answer 6

Ravens (Corvus corax)

Question 7

Group hunting example

Answer 7

Wolves (canis lupus)
Lions (Panthera leo)

Question 8

Resource defense example

Answer 8

Chimpanzees (Pan troglodytes)

Question 9

2 examples for thermal regulation

Answer 9

Emperor penguins (Aphenodytes forsteri)
and Nake mole rats (Heterocephalus glabes)

Question 10

Tool use social learning example

Answer 10

Caledonian crows (Corcus moneduloides)

Question 11

2 cultural learning example

Answer 11

Elephants (Loxodonta africana) - migration trails and Orcas (orcinus orca) - fishing techniques

Question 12

Parental cooperation example

Answer 12

Wolves (Canis lupus) and Dolphins (Delphinidae sp.)

Question 13

Eusocial living

Answer 13

Social structure where individuals cooperate in brood care, divide labor, and live in overlapping generations.

Question 14

Example for eusocialism

Answer 14

Honey bees (Apis mellifera)

Question 15

Rook crow

Answer 15

Corvus frugilegus