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bio first semester exam study guide 2014
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BIOLOGY SEMESTER #1 EXAM STUDY GUIDE 2014 Name___________________________Exam: 100 multiple choice questions
Don’t monkey around,
STUDY!
Chapter 1 and 2
Scientists do NOT use opinions in their research
Know these terms:
Unethical behavior
Observations, experiments, data, independent/dependent variable, control group
Hypothesis
Scientific methods- know the steps of this process in order
Quantitative/qualitative (descriptive) research
Theory- experiments that support hypotheses, supported by large amounts of evidence
Lab safety
Microscopes are used for magnification
Properties of life: heredity, Response/stimulus, adaptation, metabolism, reproduce, grow and develop
Homeostasis
Chapter 3
Carbon= element of life
Functions of carbohydrates, lipids, and proteins- Why are they important? What do they do?
Monomers/polymers- amino acids make proteins, simple sugars make carbohydrates, glycerol and fatty acids
make lipids
Carbohydrates- monosaccharides, disaccharides, polysaccharides, some end in the three letters “-ose”
Lipids- saturated, unsaturated, do not mix with water
Proteins: Enzymes- speed up reactions, end in the three letters “-ase”
Chapter 4
Ecology
Abiotic/biotic factors
Energy flow- food chains, webs, pyramids (how much energy is available at each trophic level), the direction
of the arrow, herbivores, omnivores, carnivores, autotrophs/heterotrophs, decomposers
Communities vs. populations
Habitat (place)/niche (role)
Chapter 5
Population growth- exponential growth vs. logistic growth, recognize growth on a graph
Limiting factors=abiotic/biotic factors
Density dependent/density independent factors
Migration- immigration/emigration
Symbiosis/symbiotic relationships (mutualism, commensalism, parasitism, predator/prey)
U.S. population- family size (women returning to work) & death rate decreasing (advanced technology and
medical care)
Suburb populations are growing rapidly- causes stress, more roads, more hospitals, more pollution, more
crime
Carrying capacity- above capacity causes competition & death, below allows more reproduction
Chapter 6
Biodiversity- lost due to habitat destruction (#1 cause)
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