Q: How do the male gorillas show display behaviors? Choices: - food gathering - vocalization - spontaneous mutation - showing aggression A:
showing aggression

Q: What part of the continuous dermal tissue system covers stems? Choices: - dermis - cuticle - callus - epidermis A:
epidermis

Q: The lungs of mammals are unique in having what? Choices: - alveolar - glands - acini - alveoli A:
alveoli

Q: On the origin of species is a book by darwin that spells out what theory? Choices: - theory of reproduction - theory of the universe - theory of the computation - theory of evolution A:
theory of evolution