BI 131 Exam 1 Study Guide

What is an estuary?

• An estuary is a coastal area where freshwater from rivers and streams meets and mixes with saltwater from the ocean.

• An estuary is a large body of freshwater surrounded by land.

• An estuary is a mountain range that separates two valleys.

• An estuary is a desert area with very little rainfall.

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What is a savannah?

• A savannah is a grassy plain in tropical and subtropical regions, with few trees.

• A savannah is a dense forest found in polar regions.

• A savannah is a large desert with no vegetation.

• A savannah is a mountain covered with snow all year round.

What is a chaparral?

• A chaparral is a biome characterized by hot, dry summers and mild, wet winters, with dense, spiny shrubs and scattered clumps of trees.

• A chaparral is a type of wetland found in tropical rainforests.

• A chaparral is a frozen tundra with permafrost and very little vegetation.

• A chaparral is a freshwater ecosystem dominated by large lakes and rivers.

How are biomes characterized?

• Biomes are characterized by their climate, soil, plants, and animals.

• Biomes are characterized only by the types of rocks found in the area.

• Biomes are characterized by the number of rivers present.

• Biomes are characterized by the amount of sunlight received each day.

What are the properties of life?

• The properties of life include organization, metabolism, homeostasis, growth, reproduction, response to stimuli, and adaptation.

• The properties of life include photosynthesis, evaporation, condensation, and precipitation.

• The properties of life include gravity, inertia, acceleration, and velocity.

• The properties of life include conduction, convection, radiation, and insulation.

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What is the unifying theme of Biology?

• The unifying theme of Biology is evolution.

• The unifying theme of Biology is photosynthesis.

• The unifying theme of Biology is respiration.

• The unifying theme of Biology is homeostasis.

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What is a virus?

• A virus is a microscopic infectious agent that can only replicate inside the living cells of an organism.

• A virus is a type of bacteria that can survive independently.

• A virus is a multicellular organism found in water.

• A virus is a non-living particle that can perform photosynthesis.

What is the smallest unit of life?

• The cell is the smallest unit of life.

• The tissue is the smallest unit of life.

• The organ is the smallest unit of life.

• The organ system is the smallest unit of life.

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Order the hierarchy of life from largest to smallest.

• Biosphere > Ecosystem > Community > Population > Organism > Organ System > Organ > Tissue > Cell > Organelle > Molecule > Atom

• Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem > Biosphere

• Organism > Population > Community > Ecosystem > Biosphere > Organ System > Organ > Tissue > Cell > Organelle > Molecule > Atom

• Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem > Biosphere > Organelle > Molecule > Atom

What are the steps of the scientific method in order?

• Observation, Question, Hypothesis, Experiment, Data Collection, Conclusion, Communication

• Hypothesis, Observation, Experiment, Data Collection, Question, Conclusion, Communication

• Experiment, Data Collection, Hypothesis, Observation, Question, Conclusion, Communication

• Question, Hypothesis, Observation, Experiment, Data Collection, Conclusion, Communication