Non-living physical and chemical elements in the ecosystem are referred to as abiotic factors. Typically, abiotic resources are obtained from the lithosphere, hydrosphere, and atmosphere [e.g. water, aer, soil, sunlight, and minerals].
Biotic factors are organisms that are alive or were onse alive in an ecosystem. These are obtained from the biosphere and have the ability to reproduce [animals, birds, plants, fungi, and other identical organisms].
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Explain the stages of ecological succession. Choose either Primary or Secondary succession and then explain the stages of ecological
succession.
A good essay will be 5-6 sentences and will include:
A) What kind of natural disaster caused the ecological succession
B) Types of plants found in each stage (ex: trees, shrubs, grasses, etc.)
Answer:
Label E
Label E
Explanation:
Label ELabel ELabel ELabel E
Fossil evidence indicates that some dinosaurs had feathers. If birds are indeed descended from dinosaurs, feathers are what kind of character?.
At which point on a cladogram do two species share an ancestor?.
Answer:
The node
Explanation:
Each branch point on the cladogram represents where species split off into new ones. The node represents the last point at which 2 new species shared a common ancestor.
Which of the following is a type of water pollution caused by leaded gas, The production of some pesticides, and burning garbage? Algae
dioxins
mercury
pathogens
Answer:
Dioxins.
Explanation:
Dioxin is a type of water pollution caused by leaded gas, the production of some pesticides, and burning garbage.
What do you mean by Water pollution?Water pollution may be defined as any undesirable or contaminated substance presents in water bodies that definitely harms the life of aquatic organisms.
Dioxins are highly toxic to the environment as they are responsible for causing cancer, a threat to the immune system, etc.
They are persistent organic pollutants that take a long time in the degradation process which involves breakdown into simpler substances.
Therefore, Dioxin is a type of water pollution caused by leaded gas, the production of some pesticides, and burning garbage.
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A town’s population size has been slowly increasing for the past five years. The town’s total electricity use has also slowly increased, until last year when it decreased slightly. Explain what could have caused the decrease in the town’s total electricity use.
What structures in the human body carry out some of the same function as xylem and pholoem
Answer:
Veins arteries and capillaries
The structures in the human body that carry out some of the same function as xylem and phloem are veins, arteries, and capillaries.
What do you mean by Xylem and Phloem?Xylem and phloem are the vascular tissues that transport water, minerals, and food from the roots to the leaves and from the leaves to the roots respectively.
Xylem and phloem represent homology with the veins and arteries. Veins carry blood back towards your heart, while arteries carry blood away from your heart.
Capillaries are blood vessels that carry the oxygen and nutrients from the blood and transport them into the tissues and organs. It also requires the elimination of the waste products away from your tissues.
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During administration of blood transfusion, a child complains of chills, headache, and nausea. Which action should the nurse implement?
Answer:
stop the transfusion notify doctor
It is very much necessary to be careful while one is in health care organization. During administration of blood transfusion, a child complains of chills, headache, and nausea the nurse should stop the transfusion immediately and notify the healthcare provider.
What are nursing ethics?Nurses are helpers for patients which find a balance while delivering care to patient. There are four main principles of nurse ethics, they are autonomy, beneficence, justice, and non-maleficence.
Each patient has the right to make their own decisions according to their own beliefs and values.
Thus, during administration of blood transfusion, a child complains of chills, headache, and nausea the nurse should stop the transfusion immediately and notify the healthcare provider.
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PLEASE HELP MEEE!!!
(A simple answer would be great no links please and thank you)
An experiment is
testing how
different fertilizers
affect plant
growth. Which of
the following
would be the
CONTROL
GROUP in this
experiment?
A. the growth of the
plants
B. the fertilizers
C. multiple groups with
the same plant and
fertilizer
D. a plant without
fertilizers
Answer: B
Explanation:
A. the growth of the plants
Fertilizers provide essential nutrients to plants in form of soluble salt compounds, and directly affect plant growth. ... Excess fertilizer alters the soil by creating too high of a salt concentration, and this can hurt beneficial soil microorganisms.
What is the proper name of the plasma membrane found on a muscle fiber?
Answer:
Answered below
Explanation:
the plasma membrane of a skeletal muscle fiber is called the sarcolemma. The sarcolemma invaginates into the cytoplasm of the muscle cell (sarcoplasm). This forms membranous tubules that pass across the muscle cells.
Make a claim about natural selection
Answer:
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others
Explanation:
I need help I don't understand
What type of reaction is represented by the following chemical equation? Explain your answer. 2Na + 2HCl → 2NaCl + H2 + heat
Answer:
This when the metal react with acid.
Explanation:
This is because the HCl is the chemical symbol for hydrochloric acid and Na is the symbol for sodium and when these 2react it forms
sodium chloride + hydrogen + heat
How would an increase in atp affect the rate of glycolysis?.
Answer:
The rate would slow down.
Explanation:
as ATP binds to the regulatory site, lowering phosphofructokinase activity.
Which explains how the economic situation in chile in 1980 affected its government? chile’s improving economy led to the government overthrowing a military junta. chile’s worsening economy led to the government electing a socialist president. chile’s worsening economy led to the government being overthrown by a military junta. chile’s improving economy led to the government launching populist programs.
The economic situation best describe by Chile’s worsening economy led to the government being overthrown by a military junta.
What is the economic history of Chile?The economic condition of Chile changed over time.
Due to a worldwide recession, the GDP of Chile dropped to 14.1 in 1980.
The value of the currency is overvalued.
Due to the Asian crisis, in 1997 economic growth depletion started.
Thus, the correct option is C.
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Answer:
C.
Chile’s worsening economy led to the government being overthrown by a military junta.
Explanation:
yes
Which of the following best explains why conserving resources is important?
Answer:
we should listen to our elders
Explanation:
resources is important
What are the 3 types of neurons?
Tq! :)
Answer:
sensory, motor, and interneurons.
Explanation:
For neurons in the brain, at least, this isn't an easy question to answer. For the spinal cord though, we can say that there are three types of neuronssensory, motor, and interneurons.
Answer:
Afferent "Sensory" Neuron
Interneuron "Associative Neuron"
Efferent "Motor" Neuron
Explanation:
The Afferent Neuron or Sensory Neuron receives information from the sensory receptors and carries the impulse from the sense receptors to the central nervous system. In this example the touch receptors in the skin are relaying information through the Afferent "Sensory" Neuron from the environment to the spinal cord.
The Interneuron or the Associative neuron is the transfer station or the decision making neuron. In the case of the reflex arc the Interneuron would make a decision to respond or not respond based upon the intensity of the stimulus.
The Efferent Neuron of Motor Neuron would then return the impulse back to the muscle or gland that would need to respond.
Describe a physical adaptation of chipmunks. Use complete sentences.
Answer:
A physical adaptation of chipmunks would be their fur thinness or thickness. If their environment demands that they need thicker fur to keep them warm, they will start to grow more fur to adapt physically to the environment.
Explanation:
A researcher is studying the plants and animals in a particular biome. The observations include ferns, large woody vines, monkeys, sloths, and boa constrictors. In which biome is the researcher located?
Tropical Rain Forest is the biome that include ferns, large woody vines, monkeys, sloths, and boa constrictors.
What is Tropical Rain Forest?Tropical rainforests are the rainforests that occur in the regions of tropical rainforest climate where there is no dry season. Due to such type of climate, there is greater amount of biodiversity.
So we can conclude that Tropical Rain Forest is the biome that include ferns, large woody vines, monkeys, sloths, and boa constrictors.
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Determine whether each phrase mainly describes surface ocean currents or deep ocean currents. found near the top of the ocean caused by prevailing winds caused by differences in water density caused by differences in water temperature influenced by rotation of earth found closer to the ocean floor
Influenced by rotation of Earth
caused by prevailing winds
found near the top of the ocean
The phrases that describe deep Ocean currents are :
caused by differences in water
found closer to the ocean floor
caused by differences in water density
Surface ocean currents are found near the top of the ocean, and they are caused by prevailing winds. The wind creates a force on the surface of the ocean, which causes water to move in the direction of the wind.
What are these currents responsible for ?These currents are responsible for redistributing heat around the planet, making them an important factor in regulating climate.
Deep ocean currents, on the other hand, are caused by differences in water density and temperature. Cold, dense water sinks to the bottom of the ocean, creating a current that can move across the ocean floor.
This process is known as thermohaline circulation, and it helps to redistribute nutrients and oxygen throughout the ocean, making it an important factor in marine ecosystems.
The rotation of the earth also influences ocean currents. Due to the Coriolis effect, surface currents in the Northern Hemisphere tend to flow clockwise, while currents in the Southern Hemisphere tend to flow counterclockwise. This effect is caused by the rotation of the earth and the resulting centrifugal force.
Finally, currents that are found closer to the ocean floor are deep ocean currents. These currents are slower and less visible than surface currents but can have a significant impact on the ocean's circulation and the Earth's climate.
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Which of the following best describes the total amount of carbon in the system made up of the Earth and its atmosphere?
A. It remains constant because oxygen converts to carbon in the geosphere and hydrosphere.
B. It continually increases as carbon is produced during cellular respiration and trapped in the atmosphere.
C. It continually decreases as carbon is used up during photosynthesis and trapped in the biosphere.
D. It remains constant because carbon cycles through the atmosphere, hydrosphere, biosphere, and geosphere.
Answer:
A
Explanation:
It remains constant because carbon cycles through the atmosphere, hydrosphere, biosphere, and geosphere.
Which is not an example of a particular phenotype being the reason a species has survived in their environment?
Q.
Which is NOT an example of a particular phenotype being the reason a species has survived in their environment?
A-A black wolf in a pack of grey wolves in the forest
What is the role of DNA?
a: to allow substances to enter the cell
b: to fight infections
c: to encode genetic information and control the cell
d: to release cytotoxins
Answer:
c
Explanation:
every thing related to dna is encoding or transcribing genetic info or genes
Answer:
To encode genetic information and control the cell
Explanation:
I GUESS
A ____________ uses direct elimination of acids, bases, or carbon dioxide from the body in order to adjust systemic acidity.
Answer:
Physiological Buffer
Explanation:
A sequence of dna that codes for a specific, detectable product, such as a protein or rna is called a
Gene is a sequence of DNA that codes for a specific, detectable product, such as a protein.
What is a Gene?
This is defined as the basic physical and functional unit of heredity and occupy a fixed position on a chromosome.
It is also the sequence of DNA that codes for a specific, detectable product, such as a protein or RNA.
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A sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
What do you mean by RNA?RNA may be defined as a single-stranded molecule that has a shorter chain of nucleotides that carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes.
Gene is the sequence or stretch of the DNA which carries genetic information. It is the nucleotide sequence that can synthesize functional proteins or enzymes.
Therefore, a sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
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There are how many types of nitrogenous bases?
Answer:
4
Explanation:
There are 4 nitrogenous bases and they are Adenine, Thymine, Cytosine and Guanine (in RNA, Thymine is replaced by Uracil)
Answer:
Four different types of nitrogenous bases are found in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G).
Explanation:
DNA is a polynucleotide. Each nucleotide is made up of deoxyribose sugar, a phosphate group and nitrogenous base. In DNA, there are four main kinds of nitrogenous bases. Adenine (A), guanine (G), thymine (T), and cytosine (C) are the four bases of DNA (C). Purine bases are adenine and guanine, whereas pyrimidine bases are thymine and cytosine. Base pairing occurs between complementary bases on two strands of double-stranded DNA. By two and three hydrogen bonds, A and G link with T and C, respectively. In RNA, uracil is present instead of thymine.
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Picture 1 depicts convergent boundary.
Picture 2 depicts divergent boundary.
Picture 3 depicts transform boundary.
What is a Divergent boundary?
This occurs when two tectonic plates move away from each other while convergent boundary occurs when the plates collide with each other.
Transform boundary is a fault along a plate boundary where the motion is mostly horizontal.
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What body systems interact and work to expel wastes from the body?
A.
nervous and excretory
B.
nervous and circulatory
C.
digestive and circulatory
D.
digestive and excretory
Answer:
A. and D.
The nervous system removes cervical and metabolic waste from the brain, helping prevent brain problems. Your digestive system cleans the body by removing toxins, and your liver works to clean. The excretory system cleans your blood, allowing for healthy blood that is free of waste.
If you cannot pick more than one option, I would go with D.
In a multicellular organism, it is cell-to-cell communication that allows the trillions of cells to coordinate activities, including during development and regeneration. The three stages of cellular communication include: reception, transduction, and response. This study determined the key steps of a cell communication pathway involved in salamander limb regeneration. After amputation of a front salamander limb, the severed axons retract within the stump and grow back along the nerve sheath. To elucidate the molecular mechanisms, the researchers set up a series of controlled experiments to determine the events in salamander limb regeneration. Drag the general cell communication steps of the regeneration experiment into the correct order.
The process of amputation will interfere with the ability of cells to communicate with each other.
What is cell to cell communication?The body of whole multicellular organisms have a lot of cells which are differentiated hence they perform diverse functions. The essence of cell differentiation is to allow different cells to perform different functions.
The question is incomplete hence we can not give here the process of cell regeneration. However, we know that the process of amputation will interfere with the ability of cells to communicate with each other.
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What happens is a cell does not recognize something
Answer:
Generally, if a cell does not recognize something, it will launch an immune response.
Explanation:
This is why individuals who have organ transplants must be put on immunosuppressants, when cells do not recognize a foreign body they will immediately assume it is harmful and make an attempt to attack it.
If a strand of DNA has 48% cytosine what will the percent be for the other nitrogenous bases?
Answer:
There are 4 possible nucleotides that occur in two complementary sets. If 24% of the DNA is cytosin, the equal share has to be the complementary guanin. That makes 48% GC that leaves 52% AT, thus 26% are adenine and 26% thymine.
This calculation of course wouldn’t work if you were to look at only one DNA strand, where you’d end up with a vastly underdetermined mathematical system.
Explanation: