Questions and answers by

sam. Williams

Questions (151)

How do you calculate the adjusted amount of energy that is available to organisms that are one trophic level above producers?(1
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2. 11 views
Use the following formula to find the efficiency of energy transfer between the harbor seal (2,500 Kcal) and a polar bear (375
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2. 22 views
Read the following statements about various species of plants and animals. Based on these statements, which one would most
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2. 14 views
Using the ten percent rule, determine how many kilocalories of energy the tertiary consumer tuna will receive.Algae Shrimp
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2. 19 views
Why is there less biomass at the top of the energy pyramid?(1 point)Responses Secondary and tertiary consumers are larger, so
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2. 15 views
When a consumer eats a producer, 10 percent of the producer’s energy is passed on to the consumer trophic level. What happens
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2. 15 views
Wolves were reintroduced to Yellowstone National Park in 1995. They began to hunt the abundant elk population, so elk numbers
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2. 15 views
Which trophic level ingests the most biomass in order to receive the energy they need?(1 point)Responses tertiary consumers
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Which of the following best explains why there are fewer secondary consumers than producers?(1 point)Responses More secondary
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Which would be an autotroph in a grassland ecosystem?(1 point)Responses monarch butterfly monarch butterfly mallard duck mallard
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The primary source of energy in most ecosystems is/are(1 point)Responses autotrophs. autotrophs. the sun. the sun. heterotrophs.
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Use the image to answer the question.A line with an arrow at the top is plotted in quadrant 1 of a coordinate plane. The x-axis
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2. 13 views
A rental truck company charges $25 to rent a truck, then $1.25 for every mile it is driven. The situation can be expressed as
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2. 14 views
Use the image to answer the question.A coordinate plane's x-axis ranges from 0 to 30 by 10-unit increments and its y-axis ranges
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A graph of the function y=80x+2models Carli’s road trip, with her speed measured in miles per hour. The graph includes the two
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Complete the input-output table for the function f(x)=(x−2)^2 + 3.(2 points) x f(x) 1 f(1)= 2 f(2)= 3 f(3)= 4 f(4)=
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2. 13 views
Bacteria is known to grow exponentially. The function B(h)=82(1.25)^h represents the number of bacteria, B(h), as a function of
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Bacteria is known to grow exponentially. The function B(h)=82(1.25)^h represents the number of bacteria, B(h), as a function of
1. 1 answer
2. 15 views
If f(x)=( x/8 )2, what is f(−4)?(1 point) f(−4)=
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2. 11 views
Use the table to answer the question.x y 0 3 1 3 1/2 2 4 3 4 1/2 Which of the following equations describes the function in the
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2. 17 views
Use the image to answer the question.A line graph between hours spend playing video games and points scored on quiz. X-axis
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2. 15 views
This function models the number of points a student scores on a 10-point quiz as a function of the hours she spent playing video
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2. 16 views
Noah has to read a book for a project. They have already read 105 pages, and they can read about 32 pages per day. Which of the
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2. 12 views
Ari is starting a yard service business. He charges a flat rate of $10 plus an additional $15 per hour, regardless of the
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2. 16 views
Use the table to answer the question.x f(x) −1 0 1 2 Finish creating the input-output table for the function f(x)=−(x+1)^2 +
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2. 16 views
Why are there less secondary consumers in an ecosystem than producers?(1 point)Responses More tertiary consumers will eat
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2. 16 views
The incomplete burning of _____ in gasoline is known to create black carbon and contribute to global warming.(1 point)Responses
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2. 14 views
How does biomass change from lower to higher trophic levels?(1 point)Responses It fluctuates. It fluctuates. It increases. It
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Suppose a plant is eaten by a mouse, the mouse is consumed by a snake, and the snake is in turn consumed by a hawk. What could
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2. 17 views
Which of the following describes the amount of organic material that is available for transfer to the next trophic level after
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2. 16 views
Which activity removes carbon dioxide from the atmosphere?(1 point)Responses installing wind turbines installing wind turbines
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2. 12 views
Which product of photosynthesis is released into the atmosphere?(1 point)Responses carbon dioxide carbon dioxide glucose glucose
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Taj incorrectly states that autotrophs are also known as consumers that need to feed on other organisms, including plants and
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2. 12 views
What is the main difference between food chains and food webs?(1 point)Responses Food chains focus on energy transfers, but food
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What is the difference between a detritivore and a decomposer?(1 point)Responses While detritivores consume both plants and
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2. 15 views
Hitchhiker's thumb (H) is dominant to no hitchhiker's thumb (h). A woman who does not have hitchhiker's thumb marries a man who
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2. 29 views
This diagram shows a pedigree for a recessive genetic disorder. What is the genotype of individual 6?
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This diagram shows a diploid cell with two pairs of homologous chromosomes. Due to independent assortment, what is the possible
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Which choice describes DNA after replication has taken place? (SC.912.L.16.3)* 1 point one molecule with two original strands
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9. During transcription the DNA base sequence is transcribed into a complimentary mRNA sequence. A codon table like the one
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A diagram of a cellular process is shown below. Which of the following identifies the process shown at point Z? (SC.912.L.16.3)*
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Alleles for the A and B blood cell antigens are codominant. The condition where no antigens are present on the blood cells (type
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2. 34 views
Fill in the blanks in the statements below about the role of living organisms in the carbon cycle.(2 points)Photosynthesis
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2. 14 views
Examine the diagram of the carbon cycle below. What process is occurring at Letter A, and what is its effect on the levels of
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2. 15 views
xamine the diagram of the carbon cycle below. What process is occurring at Letter A, and what is its effect on the levels of
1. 0 answers
2. 12 views
Examine the diagram of the carbon cycle below. What process is occurring at Letter A, and what is its effect on the levels of
1. 0 answers
2. 11 views
A diagram representing the relationship between photosynthesis and cellular respiration is shown below. What do the labels
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What makes the reactants of photosynthesis and the reactants of cellular respiration similar?(1 point)Responses Both involve
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2. 15 views
What is an advantage of using models to represent the carbon cycle?(1 point)Responses Models can predict conditions that will
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Which process transfers carbon from the atmosphere to the biosphere?(1 point)Responses cellular respiration cellular respiration
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2. 14 views
Photosynthetic chemical reactions occur in organelles called(1 point)Responses cytoplasms. cytoplasms. mitochondria.
1. 1 answer
2. 15 views

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