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Biology Final

E. Brand

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Across
8.A compound that donates hydrogen ions to solutions.
9.Carbon-based molecules.
10.Programmed cell death.
12.Subatomic Particle. No electric charge.
13.an area of grassland with scattered trees and bushes
16.Water-fearing.
17.Fats with the maximum number of Hydrogens are said to be
20.the regular sequence of growth and division that cells undergo
22.Cells that do not have a nucleus or organelles.
23.a type of biome characterized by low moisture levels
24.Organism that obtains energy by eating both plants and animals.
25.Monomers that make up nucleic acids.
27.The variable being changed/manipulated.
30.A symbiotic relationship in which both organisms benefit.
31.Organism that obtains energy by eating only other animals.
33.A substance that is dissolved in a solution.
36.species whose numbers are so small that the species is at risk of extinction
39.The largest number of organisms that an ecosystem can support.
43.Two or more atoms held together by covalent bonds.
45.Measures how acidic or basic a solution is.
48.Organims that breaks down and obtains energy from dead
50.Organism that cannot make its own energy. It must eat food.
53.All environments on Earth that support life.
54.threadlike structure within the nucleus containing the
56.Factors that causes growth of population to decrease.
57.average, year-after-year regional conditions of temperature and precipitation
59.Subatomic Particle. Single positive electric charge.
60.species with a strong or wide-reaching impact on a community
64.Sub-cellular structures. i.e.: filaments, nucleus.
66.very large molecule, consists of many smaller units linked
68.The basic unit of a living organism.
70.Have an amino group and a carboxyl group. Building blocks of
73.A non-living factor in an ecosystem.
74.A liquid consisting of a uniform mixture of two or more
76.All individuals of a species living in a specified area.
77.is the basic unit of heredity in a living organism.
78.The binding together of like molecules.
79.number of different species in a given area
82.Diagram showing the flow of energy an ecosystem.
83.When Electrons are transferred.
84.second phase of mitosis, chromosomes line up across the center
85.The ending material in a chemical reaction.
Down
1.Anything that occupies space and has mass.
2.Group of cells.
3.Several different types of tissues that function together for a
4.Having less than the maximum number of Hydrogens.
5.When Electrons are shared.
6.reproductive process that involves only one parent
7.those best adapted to their environment will survive
11.The starting material in a chemical reaction.
14.The dissolving agent in a solution.
15.group of ecosystems that share similar abiotic and biotic conditions
18.first and longest phase of mitosis, chromosomes become visible
19.An organism that hunts down and eats its food.
21.The building blocks of Polymers.
22.symbiotic relationship one organism benefits and the otheris harmed.
26.Long molecule consisting of many identical/similar building blocks
28.An organism that is hunted down and eaten.
29.All organisms inhabiting a specific ecosystem.
32.Species living today are descendants of ancestral species.
34.nonnative organism that spreads widely in a community
35.A reaction that removes a molecule of water.
37.Organism that creates its own energy.
38.A polymer of amino acids linked by peptide bonds.
40.Polymers of monosaccharides linked together by
41.Cells that have a nucleus. i.e: Protists, fungi, animals,
42.A proposed explanation for a set of observations.
44.Attraction between unlike molecules.
46.A chemical process, polymers are broken down by adding water
47.Organism that obtains energy by eating dead matter.
49.Shape of a DNA.
51.Organism that obtains energy by eating only plants
52.A measure of how difficult it is to stretch or break the
53.A living factor in an ecosystem.
55.A well-tested explanation for a broad set of observations.
58.period of the cell cycle between cell divisions
61.Each step in a food chain or food web.
62.Any living thing.
63.symbiotic relationship, one organism benefits
65.An atom's central core containing protons and neutrons.
67.Subatomic Particle. Single negative electric charge.
69.Fats, large, nonpolar organic molecules.
71.Series of steps in an ecosystem in which organisms transfer
72.Specialized macromolecules that speed up chemical
75.a mass of abnormal cells, cancerous cells divide and grow
79.A compound that accepts and removes hydrogen ions
80.Ribonucleic acid; a nucleic acid that plays an important role in the
81.Deoxyribonucleic acid, the material that contains the information
83.An atom that has gained or lost one or more electrons. Thus,

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