In a savanna ecosystem the abiotic factors include
legumes, temperature, and sandy soil
water, temperature, and soil
minerals, oxygen, and reptiles
water, soil, and grasses
Correct answer is B
No explanation has been provided for this answer.
The function of the ossicles (malleus, incus and stapes) in the mammalian ear is
Transmission of vibrations
Regulation of pressure
Support of the inner ear
Maintenance of balance during motion
Secretion of oil
Correct answer is A
No explanation has been provided for this answer.
The tuber cassava is NOT a stem tuber because it
Is distended with food reserve
Has an aerial shoot portion
Has other structure that could be called root
Lacks axillary buds
Has a bark over its stored food
Correct answer is D
No explanation has been provided for this answer.
Haemophilia results from the mutation of the genes
in the sex chromosome
which control skin colour
which control the mechanism for blood-clotting
which control the formation of haemoglobin
Correct answer is C
No explanation has been provided for this answer.
movement of auxins away from the region of curvature
even distribution of auxins in all parts of the coleoptile
inhibition of growth by auxins in the region f smaller curvature
concentration of auxins in the region of curvature
absence of auxins in the coleoptile
Correct answer is D
No explanation has been provided for this answer.