Terrestrial vertebrates and some fish evolved a form of fertilization in which the male gametes are introduced into the female reproductive tract. What is this called?
A. Internal fertilization
B. External fertilization
C. Synchronous fertilization
D. Asexual fertilization
Answer: A
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The claspers of cartilaginous fishes are used for:
a. clasping onto prey. b. clasping onto the sediment. c. reproduction. d. propulsion. e. balance.
A large groove that runs around the heart, and separates the atria from the ventricles is the
A. anterior interventricular septum. B. posterior interventricular septum. C. coronary sinus. D. coronary sulcus. E. cardiac fissure.
A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.
Answer the following statement true (T) or false (F)
Which of the following statements about Malassezia is FALSE?
A. It is part of the microbiota of the skin. B. It causes phaeohyphomycosis. C. It is a basidomycete. D. It causes pityriasis. E. It tends to develop into a chronic infection.