Using only your handwritten notes, please take this 25 question quiz. There should be absolutely no talking once the quiz begins. When you finish, please work constructively and silently on something academic related.
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Question 25
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Which of the following is a characteristic of all living organisms?
A) Movement
B) Photosynthesis
C) Growth and development
D) Multicellularity
In the hierarchy of biological organization, which of the following is the highest level?
A) Population
B) Ecosystem
C) Community
D) Biosphere
Which term refers to the gradual change in species over time?
A) Ecology
B) Evolution
C) Homeostasis
D) Adaptation
In an ecosystem, what are producers?
A) Organisms that eat other organisms
B) Organisms that make their own food
C) Organisms that break down dead material
D) Organisms that do not interact with others
What is the ultimate source of energy for nearly all ecosystems?
The moon
The sun
Producers
Chemical reactions
Which term best describes a group of organisms of the same species living in a particular area?
Community
Population
Ecosystem
Biosphere
Which of the following is a function of DNA?
Storing genetic information
Catalyzing chemical reactions
Transporting nutrients
Providing energy
What are the two main types of cells?
Animal and Plant
Bacterial and Eukaryotic
Prokaryotic and Eukaryotic
Unicellular and Multicellular
Which statement best describes a hypothesis?
A proven theory
An inference
A general law
testable statement that predicts a possible outcome
Which of the following is not a property of life?
Order/Organization
Energy processing
Sensitivity
Reproduction
What is the process by which organisms with traits that help them survive and reproduce are more likely to pass on their traits to the next generation?
Artificial selection
Natural selection
Genetic drift
Mutation
Which of the following statements about ecosystems is false?
Energy flows through an ecosystem
Nutrients cycle within an ecosystem
Energy flows in both directions through different trophic levels
Omnivores eat both plants and animals
Which of the following is an example of qualitative data?
The temperature of a liquid
The mass of a solid
The color of a solution
The volume of a gas
Which of the following is an example of a quantitative observation?
The plant is green
The fish swims quickly
The liquid has a mass of 50 grams
The flower has a sweet smell
In an experiment, the variable that is manipulated/changed to test its effect is called the:
Dependent variable
Independent variable
Control variable
Experimental variable
What is an example of a population?
All of the redwood trees in a forest
All the spruce, oak, and dogwood trees in a forest
The soil, water, rocks, and air in a forest
A spider and the insects it eats
Which of the following statements is true about hypotheses?
A) They must be testable and falsifiable
B) They must be correct
C) They are predictions about the outcome of an experiment
D) They must be proven true
How does a scientific theory differ from a law?
A scientific theory describes how something occurs, while a scientific law explains why it occurs.
A scientific law predicts what or how something will happen under certain conditions, while a scientific theory explains why those events occur.
A scientific theory is more certain than a scientific law.
A scientific law is based on hypotheses, while a scientific theory is based on observations.
In the context of scientific investigation, what is a control?
A variable that is kept constant
A variable that is manipulated
A hypothesis that is tested
An experiment without a hypothesis
What is the role of producers in an ecosystem?
To consume other organisms
To break down dead material
To convert light energy to chemical energy
To compete with consumers
Which of the following represents the correct hierarchy of biological organization from largest to smallest?