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Question: 27 bamacles are sessile crustaceans that litve in intertidal areas...

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27) Bamacles are sessile crustaceans that litve in intertidal areas Because they cement themselves to 2) their substrates, they cant get up and move to find mates. How do you think they reproduce? A) with very long penises ally y releasing eggs and sperm into the water during high tides 28) Which protostome phylum is distinguished by having body segments organized into distinct regions? 28) A) Arthropoda B) Mollusca D) Nematoda C) Annelida 29) Which of the following attributes is not shared by arthropod exoskeletons and mollusk shells? 79) A) They provide protection from predators. B) They eliminate the need for a hydrostatic skeleton. C) They help retain moisture in terrestrial habitats. D) None of the above answers apply. 30) The evolution of the limb in chordates has generally led to 30) A) decreased diversity of movement types, as animals evolve toward a single most efficient way of moving B) increased diversity of movement types, as animals evolve to fill different-niches. 31) If the albumen were removed from an amniotic egg, what would happen to the embryo inside? 31) A) The embryo would suffer from lack of nutrients. B) The embryo would have nowhere to excrete waste. C) The embryo would suffer from lack of water. D) The embryo would have difficulty respiring E) The embryo would develop normally. 32 32) The sections of echinoderm tube feet that project outside the body are called D) podia B) pseudopods C) postiums A) endoskeleton 33) 33) In a terrestrial habitat that has undergone several consecutive years of drought, which animal population would you expect to be most negatively affected? E) lizards B) frogs ) turtles D) birds A) mice 34) 34) When the HIV virus infects people, it does not immediately induce AlDS and kil its host When people die from AIDS it is because: A) They have few T cells and cannot fight off secondary infections. B) They have too many HIV particles in their lymph system C) They have too many T cells, and this overwhelms their immune systems. 35) Which of the following statements applies to the lysogenic.aycle? A) The viral genome integrates into the host cells genome. B) Viral particles are produced C) Viral proteins are made and used to replicate the viral genome. D) When the celi divides, the viral genome is frequently lost.
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