End Show Slide 1 of 45 Copyright Pearson Prentice Hall 1-3 Studying Life

End Show 1-3 Studying Life Slide 2 of 45 Branches of Biology Biosphere: The part of Earth that contains all ecosystems Copyright Pearson Prentice Hall

End Show 1-3 Studying Life Slide 3 of 45 Copyright Pearson Prentice Hall Branches of Biology Ecosystem: Community and its nonliving surroundings Hawk, snake, bison, prairie dog, grass, stream, rocks, air

End Show 1-3 Studying Life Slide 4 of 45 Copyright Pearson Prentice Hall Branches of Biology Community: Populations that live together in a defined area Hawk, snake, bison, prairie dog, grass

End Show 1-3 Studying Life Slide 5 of 45 Copyright Pearson Prentice Hall Branches of Biology Population: Group of organisms of one type that live in the same area Bison herd

End Show 1-3 Studying Life Slide 6 of 45 Copyright Pearson Prentice Hall Branches of Biology Organism: Individual living thing Bison

End Show 1-3 Studying Life Slide 7 of 45 Copyright Pearson Prentice Hall Branches of Biology Groups of Cells: Tissues, organs, and organ systems Nervous tissue Brain Nervous system

End Show 1-3 Studying Life Slide 8 of 45 Copyright Pearson Prentice Hall Branches of Biology Cells: Smallest functional unit of life Nerve cell

End Show 1-3 Studying Life Slide 9 of 45 Copyright Pearson Prentice Hall Branches of Biology Molecules: Groups of atoms; smallest unit of most chemical compounds Water DNA

End Show 1-3 Studying Life Slide 10 of 45 Copyright Pearson Prentice Hall

End Show 1-3 Studying Life Slide 11 of 45 Copyright Pearson Prentice Hall Characteristics of Living Things What are some characteristics of living things?

End Show 1-3 Studying Life Slide 12 of 45 Copyright Pearson Prentice Hall Characteristics of Living Things No single characteristic is enough to describe a living thing. Some nonliving things share one or more traits with living things.

End Show 1-3 Studying Life Slide 13 of 45 Copyright Pearson Prentice Hall Characteristics of Living Things Living things share the following characteristics: grow and develop Organized: made up of units called cells maintain a stable internal environment Reproduce change over time based on a universal genetic code obtain and use materials and energy respond to their environment

End Show - or - Continue to: Click to Launch: Slide 14 of 45 Copyright Pearson Prentice Hall 1-3

End Show Slide 15 of 45 Copyright Pearson Prentice Hall 1-3 An increase in size is known as a.growth. b.metabolism. c.development. d.differentiation.

End Show Slide 16 of 45 Copyright Pearson Prentice Hall 1-3 Which of the following is NOT a characteristic of all living things? a.use of energy b.made of cells c.stable internal environment d.need for oxygen

End Show Slide 17 of 45 Copyright Pearson Prentice Hall 1-3 The genetic code is carried in a.Water. b.DNA. c.proteins. d.soil.

End Show Slide 18 of 45 Copyright Pearson Prentice Hall 1-3 The process of maintaining “internal balance” is called a.adaptation. b.evolution c.homeostatis. d.equilibrium.

End Show Slide 19 of 45 Copyright Pearson Prentice Hall 1-3 All living things need a.To drink water. b.To eat. c.To move. d.To release energy.

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