Which of the following is the youngest plant tissue
Meristem
Phloem
Epidermis
Xylem
Correct answer is A
No explanation has been provided for this answer.
From which group of animals are the mammals generally believed to have most recently evolved?
Reptiles
Fish
Amphibians
Birds
Correct answer is D
No explanation has been provided for this answer.
The least evidence in support of the theory of evolution is provided by the study of
anatomy
ecology
geology
embryology
Correct answer is B
No explanation has been provided for this answer.
The colour of the ventral surface of a fish is lighter than that of the dorsal. This is mainly
an adaptation for movement
an adaptation for camouflage
for attracting mates
for regulating body temperature
Correct answer is B
No explanation has been provided for this answer.
Scales on reptiles are a feature for
conserving water
conserving food
protecting the skin
locomotion
Correct answer is A
No explanation has been provided for this answer.