Which pair of organisms would have the most homologous ?-globin genes?
A. dolphin and bumble bee
B. catfish and crocodile
C. snake and mouse
D. frog and cheetah
E. human and chimpanzee
E. human and chimpanzee
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Which of the following best describes the role of fungi in an ecosystem?
A. Decomposers B. Autotrophs C. Herbivores D. Carnivores E. Producers
Which structure(s) provide a huge surface area for diffusion of gasses?
a. the bronchi b. the bronchioles c. the trachea d. the alveoli e. the lungs
Two roller derby players trip each other and fall. One of them breaks a cartilage in her knee, while the other skater breaks a bone in her foot. Which one of them will take longer to heal? Explain your answer
What will be an ideal response?
A basic description of the function of morphogens is that they:
A) stimulate the formation of the ectoderm. B) stop all embryonic growth. C) affect the course of local development. D) kill cells during development.