Chapter 1: Problem 13
The level of organization that includes two or more tissues that work together is a(n). a. organ. b. tissue. c. organ systern. d. organism.
Chapter 1: Problem 13
The level of organization that includes two or more tissues that work together is a(n). a. organ. b. tissue. c. organ systern. d. organism.
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Get started for freeWith reference to the steps of the scientific method, explain how scientists arrive at a theory. (page 8 )
Match each description with the correct characteristic of life from the key. a. Life is organized. b. Living things reproduce and grow. c. Living things respond to stimuli. d. Living things have an evolutionary history. e. Living things acquire materials and energy. Humans produce only humans.
Which best describes the evolutionary relationship between humans and apes? a. Humans evolved from apes. b. Humans and chimpanzees evolved from apes. c. Humans and apes evolved from a common apelike ancestor. d. Chimpanzees evolved from humans.
Match each description with the correct characteristic of life from the key. a. Life is organized. b. Living things reproduce and grow. c. Living things respond to stimuli. d. Living things have an evolutionary history. e. Living things acquire materials and energy. Humans need to eat for building blocks and energy.
Match the explanation with a theory in the key. a. homeostasis b. cell c. evolution d. gene The internal environment remains relatively stable.
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