Examine the diversity of preserved osteichthyans in the lab. How might their body size and shape be adapted to particular habitats/ lifestyles/ behaviors?

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Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

As a small change in a person's dna can cause a genetic disorder