Which of the following uses diffusion as its principal method of gaseous exchange?
lizard
grasshopper
rat
earthworm
Correct answer is D
No explanation has been provided for this answer.
The plant waste product used to convert hide to leather is
gum
alkaloid
tannin
resin
Correct answer is C
No explanation has been provided for this answer.
The pineapple is an example of
a dehiscent fruit
an aggregate fruit
a composite fruit
a simple fruit
Correct answer is C
No explanation has been provided for this answer.
The pancreas secretes enzymes for the digestion of
fats, proteins, and carbohydrates
fats, vitamins, and cellulose
fats, carbohydrates, and vitamins
protein, cellulose, and minerals
Correct answer is A
No explanation has been provided for this answer.
Stunted growth and poor root development are a result of a deficiency in
sulphur
phosphorus
calcium
iron
Correct answer is C
No explanation has been provided for this answer.