Animals most likely evolved from a colony similar to __________, a type of protist. Fill in the blank(s) with the appropriate word(s)
choanoflagellates
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Budding (select all correct choices):
A. is a form of asexual reproduction. B. is found in fungi, plants, and some animals. C. involves an unequal division between a mother and daughter cell or organism. D. leads to a mother cell and a daughter cell that are genetically very different. E. occurs when one organism is divided into pieces called buds.
________ are to set points as leaky barrels are to settling points.
Fill in the blank(s) with the appropriate word(s).
Mammals are the only vertebrates to possess
A. single loop circulation. B. hair. C. live birth. D. a four-chambered heart with a pulmonary circuit. E. endothermy.
Bacteria perform the following ecological roles. Which role typically does not involve symbiosis?
a. Skin commensalist b. Pathogen c. Decomposer d. Bioluminescent bacteria in fish e. Gut mutualist