A duck's beak is structurally adapted for
scooping and sieving food
catching and grasping food
picking and cracking food
boring and sucking food
Correct answer is A
No explanation has been provided for this answer.
Which of the following is used mainly for balancing in fish?
the caudal fin
the pectoral fin
the anal fin
the dorsal fin
Correct answer is D
The dorsal fin helps fish keep their balance.
Radial symmetry is a feature common to
platyhelminthes
nematodes
coelenterates
arthropods
Correct answer is C
No explanation has been provided for this answer.
The most abundant group of organisms in the animal kingdom is
mammalia
aves
annelida
insecta
Correct answer is D
No explanation has been provided for this answer.
The bacteria type that are arranged in chains are the
staphylococci
clostridia
streptococci
bacilli
Correct answer is C
No explanation has been provided for this answer.