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Unformatted text preview: e. the formation of the archenteron the two most basal phyla among animals are a. annelida and arthropoda b. arthropoda and nematode c. porifera and cnidaria d. cnidaria and echinodermata e. porifera and echinodermata and animal’s input of energy and material would exceed its outputs if a. the animal is actively foraging for food b. the animal is and endotherm, which must always take in more energy to support it high metabolic rate c. the animal is growing and increasing its biomass d. the animal is and ectotherm that spends a lot of time standing still e. the homeostatic mechanisms that keep things balanced don’t work properly...
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This test prep was uploaded on 04/17/2008 for the course BIOLOGY 120 taught by Professor Soffientino during the Spring '08 term at Siena College (Loudonville).
- Spring '08