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Biology - Semester part one
Terms in this set (47)
To ensure that a scientific work is free of bias and meets standards set by the scientific community, a research group's work is peer reviewed by...
anonymous scientific experts
Which of the following characteristics is NOT shared by both a horse and the grass it eats?
movement from place to place
Which of the following statements about the scientific theory is NOT true?
it has the same meaning in science as it does in daily life... OR it enables scientists to make accurate predictions about new situations
A bird - watcher sees an unusual bird at a feeder. He takes careful notes on the bird's color, shape, and other physical features and then goes to a reference book to see if he can identify the species. What aspect of scientific thinking is most apparent in this situation?
Unlike sexual reproduction, asexual reproduction involves...
one meter is equal to
according to the table, which statement is true?
Age Months Mass at start of month (kg)
Change in mass per month (kg)
2 5 -
3 8 +3
4 13 +5
The puppy gained abput 5 kg between age 3 and 4 months
All of the following statements input the pet owners study are true EXCEPT...
the owner conducted a controlled experiment
The elements or compounds that enter into a chemical retain are called
chemical bonds that involve the total transfer of electrons from one atom or group of atoms to another are called
which of the following is NOT an organic molecule found in living organisms?
which of the following molecules is made up of glycerol and fatty acids?
What can you conclude about the relationship between enzyme concentration and reaction rate?
reaction rate increases with increasing enzyme concentration
Which concentration of catalase will produce the fastest reaction rate?
A group of individuals that belong to a single species and that live together in a defined area is termed a(n)
which of the following is NOT true about matter in the biosphere?
the total amount of matter decreases over time
Which is a source of energy for the Earth's living things?
sunlight and chemical energy
which of the following is a primary producer?
a producer, like algae
Human activities, such as the burning of fossil fuels, move carbon through the carbon cycle. Which other processes also participate in the carbon cycle/
a combination of biological, geological, and chemical processes
What are the physical, or nonliving components of an ecosystem called?
What can you conclude about the ecosystem from the pyramid of numbers shown?
There are more first - level consumers than producers
What can you conclude about the producers in the ecosystem based on the 2 pyramids shown?
the producers in the ecosystem are probably large organisms
The factor that generally has the greatest effect on determining a region's climate is its
distance from the equator
All of the following are abiotic factors that affect the global climate except
The way an organism makes its living, including its interactions with biotic and abiotic factors of its environment, is called the organisms...
If a newly introduced species fills a niche that is normally occupied by a native species, the two species compete. One of the species may die out as a result of
Photosynthetic algae are MOST likely to be found in
the photic zone
The water un an estuary is
a mixture of fresh water and salt water
In which biome do organisms have the greatest tolerance to dry conditions?
Which type of graph would be BEST suited to showing the precipitation data from the table?
For a given set of data, the range is the difference between highest and lowest points. The average annual temp range, in C degrees, for lillehammer is approx...
The movement of individuals into an area is called
All other things being equal, the size of a population will decrease if
death rate exceeds birth rate
Which of the following is NOT an example of a density - dependent factor?
A population like that of the U.S with an age structure roughly equal numbers in each of the age groups can be predicted to
Show slow and steady growth from some time into the future
In the presence of unlimited resources and in the absence of disease and predation, what would probably happen to a bacterial population?
Which of the following statements best describes human population growth?
Growth has been exponential in the last few hundred years
Which of the following refers to when a populations birthrate equals its death rate?
Which time intervals in the graph depicts the effects of limiting factors on the population?
C,D and E
Which time intervals in the graph shows exponential growth
A and B
Which of the following statements about renewable resources is TRUE?
They can never be depleted
Which of the following is a nonrenewable resource
Which of the following is NOT a direct effect of deforestation?
The total variety of organisms in the biosphere is called
In a food chain, concentration of harmful substances increase in higher trophic levels in a process is known as
Which of the following statements about fire ants in the United states is TRUE?
They are an invasive species
By 2010, fire ants are MOST likely to
have spread to a larger area
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