alleryIn frog reproduction, AMPLEXUS refers to:
AThe metamorphosis from tadpole into adult
BThe mating posture (male grips female, sperm released)
CThe transparent eyelid covering the frog's eyes
DThe vocal sacs males inflate when croaking loudly
Answer & Solution
Correct answer: B. The mating posture (male grips female, sperm released)
AMPLEXUS = mating posture in which male frog grasps the female from behind
as she releases eggs, he releases sperm over them simultaneously (external fertilisation in water). No copulation occurs.
Keep practising Unit 7C1: Evolution & Animal Structural Organisation
Browse all Unit 7C1: Evolution & Animal Structural Organisation questions for AP Biology, or explore more Biology topics.
Related questions
Which pair of features is characteristic of phylum Aschelminthes?An animal has a body plan that is diploblastic, radially symmetrical and lacks a coelom. TWhich of the following is NOT correctly matched with its phylum?Cnidarians that exhibit polyp and medusa alternating in the life cycle (Metagenesis) incluIn sponges the cells lining the spongocoel and canals areThe correct sequence of increasing organisational complexity in Animalia isBioluminescence — the ability of a living organism to emit light — is well-marked in membeParapodia used for locomotion in the aquatic annelid Nereis are best described as