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Biology 101

Leah

Biology Chapter 1: Exploring Life

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Across
7.A cluster of small chemical units called atoms held together by chemical bonds.
8.A process in which individuals with certain inherited traits are more likely to survive and reproduce than are individuals that do not have those traits. (2 Words)
11.A type of logic in which generalizations are based on a large number of specific observations (2 Words)
12.A group of organs that work together in performing vital body functions (2 Words)
13.One of the two prokaryotic domains of life, the other being archaea
17.Descent with modification; the idea that living species are descendants of ancestral species that were different from present day ones; also, the genetic changes in a population from generation to genereation
18.An organism that makes organic food molecules from CO2, H2O, and other inorganic raw materials: a plant, alga, or autotrophic prokaryote
19.A type of cell lacking a membrane-enclosed nucleus and other membrane-enclosed organelles: found only in the domains Bacteria and Archaea (2 Words)
22.All the organisms living in a particular area, as well as the physical components with which the organisms interact
26.A type of logic in which specific results are predicted from a general premise (2 Words)
27.An individual living thing
28.An intergrated group of cells with a common function, structure, or both.
29.A taxonomic category above the kingdom level. The three domains of life are Archaea, Bacteria, and Eukarya.
Down
1.A specialized structure composed of several different types of tissues that work together to perform specific functions.
2.A basic unit of living matter separated from its environment by a plasma membrane; the fundamental structural unit of life.
3.Prokaryotes and fungi that secrete enzymes that digest nutrients from organic material and convert them to inorganic forms
4.The units of inheritance that transmit information from parents to offspring
5.An experiment in which an experimental group is compared with a control group that varies only in the factor being tested. (2 Words)
6.A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles (2 Words)
9.New properties that arise with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases (2 Words)
10.A membrane-enclosed structure that performs a specific function in a cell.
14.Eats plants and other animals
15.Domain of life that includes all eukaryotes
16.All of the environments on earth that support life
20.The entire arry of organisms in an ecosystem
21.All the individuals of a particular species living in an area
23.A widely accepted explanatory idea that is broader in scope than a hypothesis, generates new hypotheses, and is supported by a large body of evidence
24.One of the two prokaryotic domains of life, the other being bacteria
25.The branch of biology that names and classifies species, arranges species into a hierarchy

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