(a) A child belongs to blood group 0 and the mother be-longs to group B. With the aid of genetic cross, state the possible blood groups of the father. (b) (i) Name two forms of adaptive communication in animals (ii) State two reasons why organisms communicate with one an-other.
Explanation
A child belongs to blood group 0 and the mother be-longs to group B. With the aid of a genetic cross. State the possible blood groups of the father (a) Genetic cross If the father is group A (b)i. Forms of adaptive communication
Sound/auditory/acoustic visual; smell/chemical/ pheromones tactile electrical signal display.
ii. Reasons why organisms communicate with one another
for food maiting/reproduction territorial defence danger/threats/predator tracking routes.
