Biology 1.1 What is Biology

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What is Biology:

1 What is Biology Chapter 1.1 The Study of Life

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2 the science of life or living matter in all its forms biology

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3 The primary focus of all biological studies is understanding the world of living things and how they react. Understanding living things

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4 The study of biology includes the investigation of interactions among species. All living species interact with one another

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5 Many have not been named yet…others not yet discovered. Millions of life forms

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6 By studying biology, you can better appreciate the great diversity of species on Earth and the way each species fits into the dynamic pattern of life on the planet Everyone benefits from the study of biology

Asking Questions about Life…:

7 Asking Questions about Life… The answers lead to biological principles and rules

Interactions of Life:

8 Interactions of Life Living things do not exist in isolation There is a delicate balance in nature Living things depend on other living and non-living things

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9 All living things depend on other living things for their existence; all living things play a part in the delicate balance of life. Living Things do not exist in isolation

Biologists study problems:

10 Biologists study problems They propose solutions Can lead to medical treatment, disease prevention, species preservation, etc.

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11 application of scientific research to society's needs and problems technology

Characteristics of Living Things:

12 Characteristics of Living Things Organization – an orderly structure – basic unit is cell Reproduction – produce offspring Growth – increase in living material, new structures Response to Stimuli – interact with their environment Maintain Homeostasis – regulate their environment Obtain and use materials – energy As a group they evolve – changing over time http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

Characteristics of Living Things:

13 Characteristics of Living Things Organization – an orderly structure – basic unit is cell http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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Characteristics Of Living things 14 To be considered living, something must exhibit all of the characteristics of life. Organism is another word for living thing. Every living thing, single-celled organisms to complex, multicellular plants and animals, is made up of parts that function together in an orderly living system.

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15 orderly structure of cells in an organism organization

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16 anything that possesses all the characteristics of life organism

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17 a group of organisms that can interbreed and produce fertile offspring in nature species

Characteristics of Living Things:

18 Characteristics of Living Things Reproduction – produce offspring http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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19 Examples of reproduction: Pollen grains released from a flower Bean plants producing seed in a pod An amoeba dividing in half All living things must be able to reproduce

Characteristics of Living Things:

20 Characteristics of Living Things Growth – increase in living material, new structures http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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21 increase in the amount of living material and formation of new structures in an organism growth

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22 all the changes that take place in the life of an organism development

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23 A corn plant producing ears of corn is an example of: growth development reproduction All living things must be able to reproduce

Characteristics of Living Things:

24 Characteristics of Living Things Response to Stimuli – interact with their environment http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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25 any condition in an environment that requires an organism to adjust stimulus

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26 biotic and abiotic surroundings to which an organism must constantly adjust environment

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27 an organism's reaction to a change in its internal or external environment response

Characteristics of Living Things:

28 Characteristics of Living Things Maintain Homeostasis – regulate their environment http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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29 organism's regulation of its internal environment to maintain conditions suitable for survival homeostasis

Characteristics of Living Things:

30 Characteristics of Living Things Obtain and use materials – energy http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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31 the ability to do work energy

Characteristics of Living Things:

32 Characteristics of Living Things As a group they evolve – changing over time http://www.ccs.k12.in.us/chsBS/kons/kons/charoflifenote.htm

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33 the ability of a species to survive in a particular ecological niche, esp. because of alterations of form or behavior brought about through natural selection adaptation

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