Answer:
Thiobacillus denitrificans is a species of bacteria that get its energy from carbon dioxide and inorganic compounds such as nitrogen in its environment. It is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed.
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The denitrification process do thiobacillus denitrifications help bioremediate groundwater.
What is denitrification?Denitrification is the microbial conversion of nitrate and nitrite to nitrogen gaseous forms, primarily nitrous oxide (N2O) and nitrogen dioxide (NO2) (N2). Denitrification can be accomplished by a wide range of microorganisms. Changes in the oxygen (O2) concentration in their immediate environment cause denitrification.
Thiobacillus denitrificans is a bacterial species that gets its energy from carbon dioxide and inorganic chemicals like nitrogen in its surroundings. It is utilized in bioremediation (natural cleansing) of excess nitrate-containing groundwater to eliminate the nitrates.
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If perfect growing conditions allowed a population of producers to grow and increase in density, which of the following changes in the food web would be expected initially?
A. New populations of herbivores would enter the food web
B. The population size o fab herbivores in the food web would decrease
C. Members of predator populations would leave the food web
D. The population size of predators in the food web would decrease
Answer:
A.
Explanation:
The population of herbivores wouldn't decrease because their food source is being increased. Predators wouldn't leave because more herbivores come to eat the increased number of producers, thus more than likely increasing the number of predators.
Initially, it would be expected that the food web would evolve when new populations of herbivores entered it. So, the correct option is A.
What is Food web?All the food networks in a specific ecosystem make up a food web. Each organism inside an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as their move through the environment.
A food web is created by the linkages between various, interdependent food chains. It involves intricate relationships between producers and consumers. Here, a variety of lower trophic level species are consumed by higher trophic level organisms.
At first, it would be anticipated that as additional population of herbivores entered the food web, it would change.
Therefore, the correct option is A.
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Nitrogen base, carbon sugar, phosphate group, What macromolecule is this?
Answer:
The macromolecule is nucleic acids (more importantly the nucleotides)
Explanation:
Nucleotides belong to the DNA/ nucleic acid part of macromolecules.
An area that provides food and shelter see see
Because Increased carbon in the atmosphere traps heat in the Earth atmosphere, it intensifies the __effect A habitat restoration B greenhouse C doghouse D globalization
Answer:
Your answer would be B: Greenhouse
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Species that are_______species can occur in the same location and are phenotypically different.
Answer:
Species that are sympatric species can occur in the same location and are phenotypically different.
Explanation:
Speciation is the evolutionary process by which a population of a species acquires differentiating characteristics that lead it to distinguish itself from the species it formed. Sympatric speciation is a type of speciation that consists of the genetic separation of different populations of the same species that live in the same environment (same geographical location), so that species originate by divergence between individuals, that is, they diversify due to to the appearance of isolation mechanisms these can be genetic, ethological or sexual.
5 important reactions that are important for metabolism
nellie had four air plants on her desk
Answer:It’s the independent variable
Explanation:Watering the plant doesn’t rely upon other variables it itself is the variable making it independent
Pls pls pls help How do viruses spread?
Not sure if this is right who can help??
Answer:
yes you picked the right answer
Explanation:
Answer: An Explanation For Something That Is Observed in the Natural World
Explanation:
Which type of population growth is shown in this graph?
Population of Bacteria
A graph entitled Population of Bacteria has generation on the horizontal axis, from 0 to 10, and population size on the vertical axis, from 0 to 35,000 in increments of 5,000. From generations 1 to 7, the population size was close to 0. From generations 7 to 10, the population size increased rapidly.
Answer:
A: exponential
Explanation:
I did the test
Answer: ExPoNeNtIaL
Explanation: Im SmArT
HELP FAST write a 3 sentence explanation of this picture using the terms bioaccumulation and biomagnification
Answer:
Explanation:Bioaccumulation occurs when toxins build up - or accumulate - in a food chain. The animals at the top of the food chain are affected most severely. This is what happens: Small amounts of toxic substances - often pesticides or pollution from human activity - are absorbed by plants.while biomagnification is the process by which toxins are passed from one trophic level to the next (and thereby increase in concentration) within a food web. ... dissolve into the fatty tissues of living organisms.
How were the first modern humans, known as Homo sapiens, different from other hominid species before them?
A)
They were able to use fire to their advantage,
B)
Their brains were smaller than previous species,
They were able to create tools to make work easier,
D)
They were able to think of symbols and associate them with different
things.
Answer:
The correct answer is D)They were able to think of symbols and associate them with different things.
Explanation: i just did it on USATestPrep >w<
Describe the biological community you live in and explain what role (niche) you play in it.
Answer:
The biological community you live in is wherever you live and the biotic and abiotic aspects of where you live. Your role in that community is predation of many different types of species and mutualism, as you help the people around you and they help you. (or parasitism if you mooch off your parents)
Which is an energy conversion that occurs during cellular respiration?
ADP à ATP
FADH2 à FAD
pyruvate à glucose
light energy à chemical energy
Answer:
ADP to ATP im pretty sure.
Explanation:
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ADP is converted to ATP in cellular Respiration.
What is Cellular Respiration?Cellular Respiration refers to is different of metabolic reactions and processes that occur in organisms in which oxygen and chemical energy in food molecules are converted into adenosine triphosphate (ATP), and then release waste products.
In cellular Respiration Adenosine diphosphate is converted to Adenosine triphosphate.
Therefore, ADP is converted to ATP in cellular Respiration.
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This past winter, the weather of a region stayed cold and snowy for three months past spring, which is an anomaly for the area. Which of the following scenarios would be a result of the prolonged winter?
O The number of deer and rabbits in the area will be higher than last year.
O The number of deer and rabbits in the area will be lower than last year.
O The new plant life that can survive harsher winters will grow immediately. OThe amount of water available for animals will decrease significantly.
Answer:
The number of deer and rabbits in the area will be lower than last year.
Answer:
3) The number of deer and rabbits in the area will be lower than last year.The reason why I chose this answer was:It was too cold the animals wouldn't come out many
how was the first president in united states
Answer:
if you meant "who" its George Washington
Explanation:
If you meant "how" George Washington (February 22, 1732 – December 14, 1799) was an American political leader, military general, statesman, and founding father who served as the first president of the United States from 1789 to 1797. Previously, he led Patriot forces to victory in the nation's War for Independence.He presided at the Constitutional Convention of 1787, which established the U.S. Constitution
Describe the levels of organization of life
Answer:
The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.Aug 14, 2020.
what are the 3 types of scientific models
HELP!! HELP!! HELP!!
Unlike simple amino acids, complex proteins are
(A) Made by bacteria
(B) Polymers of monomer subunits
(C) Not digestible
(D) Made of C, H, O, and P
E) Made by hydrolysis
Answer:
D
Explanation:
because they have C, H, O, and N but about 500 naturally occurring amino acids are known and can be classified in many ways. But they have all of the answer that you put down I think
Explanation:
D)made by c,h,o,and p
describe the passage of a water molecules from the soil, up the transition stream, to mixing with other air particles as water vapor?
In the first paragraph, UCLA climate scientist Daniel Swain claims, " We've gotten to the point where when it comes to extreme heat waves, there is almost always a human fingerprint." Explain: What does Swain mean?
Answer:
It means human is responsible for everything.
Explanation:
Swain who is climate scientist mean that the heat waves occurs due to the human intervention and activities. Human is responsible for the change occurs in climate and global warming. In some areas heat waves occurs which adversely affected human as well as animals and plants. Heat wave is a period of hot weather occurs due to emission of greenhouse gases which increase the temperature of the earth's surface.
22POINTS PLEASE HELP
Question#1 An ecologist wants to investigate the effects of pollution on soybean plants. The
scientist grows five groups of plants and exposes four groups to various
pollutants. The fifth group is not exposed to any pollutant. The ecologist
observes the condition and growth of all the groups of plants over a period of
time. Identify the Dependent Variable, Independent Variable and Control Group in
this experiment.
Question#2 A Biology class wants to investigate what concentration of a salt solution is most
effective in preventing the growth of bacteria. Students prepare five dishes of
agar (a gelatin-like substance used to cultivate living material). They spread
solutions of different salt solutions on four dishes, leaving one dish untouched.
They then introduce bacteria on all the dishes and observe the dishes for the
amount of bacterial growth. Identify the Dependent Variable in this experiment.
*
What are the features of an energy-requiring reaction? Select all that apply. Small molecules are converted into complex organic compounds. The reaction requires an input of energy. The reaction results in the output of energy. Complex organic compounds are broken down into small molecules.
Answer:
-Small molecules are converted into complex organic compounds.
-The reaction requires an input of energy
Explanation:
Reactions in nature can either be energy-requiring or energy-releasing. Reactions that require energy are called ENDERGONIC reactions i.e. energy is needed to start the reaction provees. They are characterized by the INPUT OF ENERGY.
Also, when small molecules are converted into complex organic compounds by combining together in a process called ANABOLISM, energy is needed to put together the molecules to form a much larger complex molecules. Hence, it is a feature of energy-requiring reactions.
The features of an energy-requiring reaction include 'small molecules are converted into complex organic compounds' and 'the reaction requires an input of energy'.
An energy-requiring reaction is a type of reaction that requires energy, usually in the form of Adenosine Triphosphate (ATP), the energy coin of the cell.Anabolic reactions are chemical reactions that require energy to synthesize complex organic molecules from simpler ones.Conversely, catabolic reactions are chemical reactions that release energy by breaking down large organic molecules into smaller molecules.In conclusion, the features of an energy-requiring reaction include 'small molecules are converted into complex organic compounds' and 'the reaction requires an input of energy'.
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What is the density of a substance that weighs 4.2g and takes up a volume of 18cm3?
The density would be 14.567 lb/cu ft
Answer: would be 14.567 lb/cu ft
Explanation: first you would subtract it then you divide it and you get your answer.
Describe what defines a factor that is tested in a controlled experiment
is mitosis or meiosis preceded by interphase?
Answer:
Meiosis is preceded by an interphase consisting of three stages.
Explanation:
The S phase is next, during which the DNA of the chromosomes is replicated. This replication produces two identical copies, called sister chromatids, that are held together at the centromere by cohesin proteins.
Suppose you position the slide correctly on the stage, but when you first look at the slide, part of the slide appears to be in the dark while the other side is brightly lit. What is most likely the cause for this area of darkness?
why a law is accepted as fact, but a theory is not.
Answer:
A law is accepted as a fact because this cannot be changed. A theory however can be changed over time
Explanation:
I took tests :p
Do atoms with more electrons produce more or less spectral lines?
Which of the following lists these fluids from least acidic (first) to most acidic (last)? Choose 1 answer: Choose 1 answer: (Choice A) A Cell interior, blood, digestive fluid (Choice B) B Digestive fluid, cell interior, blood (Choice C) C Blood, cell interior, digestive fluid (Choice D, Checked) D Blood, digestive fluid, cell interior
Answer:
c
Explanation: I am doing the same assignment and it was c
