The presence of sunken stomata and the folding of leaves are adaptations to
Prevent entry of pathogens
Reduce water loss
Remove excess water
Prevent guttation
Correct answer is B
No explanation has been provided for this answer.
An argument against Lamarck's theory of evolution is that
disuse of body part cannot weaken the part
disused part is dropped off in the offspring
acquired traits cannot be passed unto the offspring
trait cannot be acquired through constant use of body parts
Correct answer is C
No explanation has been provided for this answer.
An insect with a mandibulate mouth part will obtain its food by
biting and chewing
chewing and sucking
chewing
sucking
Correct answer is A
No explanation has been provided for this answer.
The type of reproduction that leads to variation in animal and plant populations is
budding
sexual
vegetative
asexual
Correct answer is B
No explanation has been provided for this answer.
A feature associated with the Y-chromosome in humans is
long eyelashes
prominent fingernails
facial hairs
enlarged breast
Correct answer is C
No explanation has been provided for this answer.