Which of the following statements is not Lamarck's postulate on evolution?
great changes in the environment result in corresponding changes in species
frequently used organs become well developed while the ones not used become vestigial
well developed acquired characters are inheritable
survivors in a competitive community must have inherited useful traits
Correct answer is D
No explanation has been provided for this answer.
Natural selection arises as a result of
gene mutation
change of habitat
reduction in population
climate change
Correct answer is D
No explanation has been provided for this answer.
Which of the following organisms exhibits division of labour?
butterfly
cockroach
termite
housefly
Correct answer is C
No explanation has been provided for this answer.
it will hinder her from having blood transfusion from her husband
it will result in sickness and probably death of the offspring
her children may all resemble her husband
it may affect her childbearing ability
Correct answer is B
No explanation has been provided for this answer.
BB
Bb
bb
BBbb
Correct answer is B
The father is heterogeneous; pointed eyebrows Bb