Explain the role of living things such as yourself in the nitrogen cycle
Simple answer please
Answer:
Role of organisms in the nitrogen cycle:
Bacteria play a central role: Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates. Bacteria of decay, which convert decaying nitrogen waste to ammonia. Nitrifying bacteria, which convert ammonia to nitrates/nitrites.
Explanation:
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Plants use nitrates to create proteins. Animals eat plants for protein. Humans add nitrogen-rich fertilizers and manure to the cycle.
What is nitrogen cycle?The process by which nitrogen is changed into a variety of different chemical forms as it cycles through different ecosystems, including the atmosphere, land, and ocean, is known as the nitrogen cycle, which is a biogeochemical cycle. Both biological and physical methods can be used to complete the transformation of nitrogen.
In order to synthesize proteins, plants must first take up nitrates from the surrounding soil. Plant material is digested by animals, which then contributes to the formation of animal protein. Both the addition of nitrogen-rich fertilizers to the soil and the utilization of manure are examples of how humans make a contribution to the cycle.
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Which scenario describes a relationship of parasitism? A. Oxpecker birds eat parasitic ticks off the backs of zebras B. A polar bear catches a seal for dinner C. Birds feed off the insects that are stirred up from the grasses as cattle move through D. Birds feed off the insects that are stirred up from the grasses as cattle move through
A moray eel eats a fish swimming by.
i took the k-12 test
The scenario which describes a relationship of parasitism is a tick feeds on the blood of a dog. Therefore, the correct option is D.
What is parasitism?In parasitism, one organism (the parasite) benefits at the expense of another organism (the host). In this scenario, the tick benefits by feeding on the dog's blood, while the dog is harmed by the loss of blood and potential transmission of diseases by the tick.
Option A describes a mutualistic relationship, where the ox pecker birds benefit by feeding on the ticks, and the zebras benefit from having the ticks removed.
Option B describes a predator-prey relationship, where the polar bear benefits by catching and eating the seal, while the seal is harmed by being eaten. Option C and D describe commensalism. They both are same. Therefore, the correct option is D.
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The question is incorrect, but most probably the correct question is,
Which scenario describes a relationship of parasitism?
A. Ox pecker birds eat parasitic ticks off the backs of zebras
B. A polar bear catches a seal for dinner
C. Birds feed off the insects that are stirred up from the grasses as cattle move through
D. A tick feeds on the blood of a dog.
Can variation be advantageous to the survival of a lima bean population during times of a
changing environment?
Answer:
The correct answer is - yes, variation can be advantageous.
Explanation:
The population of the lima beans that are able to adapt to changes and include these variations in their population will lead individuals are able to survive and reproduce to increase their numbers in changing environments. The igher the variability in the population is, the higher the chances of the to be advantageous for their survival and increase their population.
Thus, the correct answer is - yes.
Hurry I need help!! The protective tissue on a leaf has a structure that keeps the moisture in the leat from drying out
True or False
Answer:
T
Explanation:
How are unknown minerals identified?
Answer:
Minerals can be identified by their physical characteristics. The physical properties of minerals are related to their chemical composition and bonding. Some characteristics, such as a mineral's hardness, are more useful for mineral identification.
Explanation:
Answer:
1. Hardness, the ability to resist being scratched—or hardness—is one of the most useful properties for identifying minerals. (ex. diamond)
2. Luster, luster is how a mineral reflects light.
3. Color, one of the most obvious properties of a mineral is color. (ex. Red- Ruby, Green- Jade, Blue- Opal)
4. Streak, the color of a mineral in its powdered form. It is usually obtained by rubbing the mineral on a hard, white surface, such as a tile of un-glazed porcelain, so as to yield a line, or streak, of fine powder. (Kinda like rubbing chalk on a concrete floor to get the color)
5. Specific Gravity, the weight (How heavy is it?)
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"It enters the cytoplasm and moves toward ribosomes".
This describes what happens to mRNA after which process?
A. transcription
B. DNA replication
C. translation
D. protein synthesis
Identify the light source of the compound light microscope.
A
B
C
F
Answer:
F
Explanation:
The light source on microscopes comes from below, at the base.
Why is it important that all amino acids share a common structure and only vary in their side group?
Answer:
The side groups are what make each amino acid different from the others. Of the 20 side groups used to make proteins, there are two main groups: polar and non-polar. ... The polar and nonpolar chemical traits allow amino acids to point towards water (hydrophilic) or away from water (hydrophobic).
Explanation:
1. Which of these can be found in RNA but not DNA?
ribose sugar
helical structure
adenine
phosphate group
Answer:
ribose sugar
Explanation:
Used to hold a variety of lab equipment
Answer:
test tube holder is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched. For example, a test tube holder can be used to hold a test tube while it is being heated.
If the nine bases on one strand of DNA are AGTCGGTAC, what are the nine bases on the complementary strand of DNA?
Answer:
TCAGCCATG
Explanation:
T is complementary to A, and C is complementary to G (and vice versa).
8. The central Dogma of Biology states:
a. DNA proteins ORNA
b. RNA O Proteins DNA
c. DNA RNA proteins
d. DNAO RNA mRNA
Answer:
Answer is C.
Explanation:
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A semi permeable membrane is placed between two solutions the membrane is only permeable to water on the right side is a 10% salt solution on the left side is distilled water 100% water in which direction will the net movement of water occur
Most water molecular move from x to y decreasing the concentration gradient of sucrose. The solution will always move down the concentration gradient.
This means the water always move from this is more water to where there is less water.
Therefore, water will move from a hypotonic solution to the hypertonic solution.
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Most organisms have the ability to make use of atmospheric nitrogen.
O True
O False
NEED HELP ASAP
Answer:
true
Explanation:
Answer:
true
Explanation:
okay okay okay okay okay
Why is clear cutting controversial in forest management? A) It can cause frequency of landslides. B) It can be substituted by less harmful forest management strategies. C) It can cause the soil to lose chemical elements needed for life. D) It can accelerate the process of decay. E) All of the above
Answer:
E
Explanation:
Answer:
E. All of the above
Explanation:
got it right on edg
1. Frost wedging, root wedging, exfoliation, abrasion, and thermal
expansion are all examples of which of the following processes?
Weathering
Erosion
Deposition
Answer:
weathering
Explanation:
roof could leak and the weather will get in
Answer: weathering.
Explanation:
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Which of the following is a correct description of flatworms? (such as the planarian shown below) Question 5 options: Flatworms have many different cells, but all the cells perform the same function Flatworms have individual cells for digestion, reproduction and responding to the environment Flatworms are made of single cell Flatworms have well developed systems for digestion, reproduction and responding to the environment
Answer:
Flatworms have well developed systems for digestion, reproduction and responding to the environment.
Explanation:
I got this question correct on my quiz, hope it is correct for you as well.
Which activity demonstrates chemical weathering? A grinding of talc into a powder
B freezing of water in the cracks of a sandstone sidewalk
C dissolving of limestone by acid rain
D abrasion of a stream bed by tumbling rocks
What causes the stoma to open?
A. When the guard cells are full of water, they become stiff and hold
the pore open.
B. When the guard cells get covered in wax, they become limp and
the pore opens
C. When the guard cells are empty, they become limp and the pore
opens.
D. When the guard cells inflate with oxygen, they become stiff and
the pore opens.
A. When the guard cells are full of water, they become stiff and hold
the pore open.
Two guard cells make up the stomata. The walls of these cells are thicker on the inside than they are on the outside. Stomata open when they take in water and close when they lose water due to the unequal thickness of the paired guard cells.When stomata open, they release water vapor and other gases into the atmosphere, including oxygen.A. When the guard cells are full of water, stoma become stiff and hold the pore openFor more information:
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How many phenotypes are there for a single gene trait
There are four phenotypes in a single gene trait.
What is the symbol for chromate
Answer:
symbol for chromate
K₂CrO₄
Answer:
chm
Explanation:
chromate is a chromate things.....
Which organelles are found in a plant cell?
Answer:
The organelles are found in a plant cell include - chloroplasts , plastids, and a large central vacuole. The chloroplasts contain a green pigment chlorophyll that is responsible for the process of photosynthesis.
Answer: Cell wall, chroloplasts, mitocondria, nucleus, robosomes, vacuoles
What is the main function of this organ?
o
A. To respond to the environment
OB. To take in oxygen and remove carbon dioxide
C. To transport materials to and from body cells
D. To take in and digest food
Answer
nothing
nothing
nothing
nothing
nothing
nothing
totally useless
Answer:
To transport materials to and from body cells
7 Identify- By what process did these cells form?
Answer:
Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. ... During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.
Explanation:
Hope this helps
Cells can form through a process called cell division.
What is cell division?In cell division, a single cell divides into two or more daughter cells. This is the primary way in which living organisms grow and develop, as well as repair damaged tissues and replace old or dying cells. Cell division can occur through two main processes: mitosis and meiosis.
Mitosis is a type of cell division that results in two identical daughter cells, while meiosis is a type of cell division that produces four genetically diverse daughter cells, typically used in the production of gametes for sexual reproduction. Other processes, such as differentiation, also play a role in how cells form and develop into specialized types of cells with distinct structures and functions.
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You question is incomplete, but most probably your full question was,
By what process did the cells form?
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7. In ecology, a landscape refers to a group of interacting ecosystems. In your own words, describe the landscape of the Serengeti.
Answer:
The Serengeti is a vast ecosystem in east-central Africa.
Explanation:
Answer:
The Serengeti is a vast ecosystem in east-central Africa.
Explanation:
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what is the second level of organisms
Answer:
Herbivores
Explanation:
Volcanos extend so deep below earth’s surface that they reach down to the next layer. Which is the second layer of earth?
Answer:
mantle
Explanation:
The mantle is very thick: 1800 miles deep. The mantle is a little bit like a sandwich. On the top and bottom parts of the mantle, the rock doesn’t move very much. In the middle of the mantle is the asthenosphere. This part of the mantle moves around fairly slowly. This moving mantle layer pushes the earth’s plates around.
would you consider alcohol as food nutrient? explain.
Answer:
hello, hope it helps
Explanation:
Alcohol would not fall under the category of an essential nutrient because not having it in your diet does not lead to any sort of deficiency. Alcoholic beverages primarily consist of water, alcohol (ethanol), and different amounts of sugar.
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The first time you get an infection, your immune system responds
the same infection again, your immune system responds
If you become re-infected with
A. quickly, slowly
B. in 3 stages, in 1 stage
C. in 2 stages, in 3 stages
D. slowly, quickly
A cladogram a diagram that shows the relationship among organisms according to A common ancestor and specific characteristics. Farther away an organism is from the point of origin, the less closely related to that common ancestor it is. Which answer choice below highlighted sections of the cladogram of organisms that are not a common grouping?
Answers : a
Explanation:
I really don’t know