Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation:
Each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels. this characteristic makes corn a useful example of which law or principle? principle of dominance law of independent assortment law of segregation law of genetics
Mendelian genetics includes some laws which are law of dominance, law of segregation and law of independent assortment. The law followed by the corn for inheritance is law of segregation.
What are law of inheritance?Law of inheritance was given by Gregor Mendel, who is known as father of genetics.
The experiment was done on pea plant. Based on this experiment Mendel stated three laws. These are:
Law of Dominance: according to this law only dominant traits will be inherited in the offspring.Law of Segregation: according to this law, two copies of each hereditary factor segregate which results in acquiring one factor from each parent by offspring.Law of Independent Assortment: according to this law, pair of trait segregates independent of another pair during formation of gametes.Each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels. This is law of segregation.
Thus, the correct option is C.
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Answer:
B
Explanation:
what can individuals do to identify language that is racist?
Answer:
Ask yourself if you would be offended by the language. If so, then it is very likely that it might also be offensive or racist to others.
What is the purpose of replicating DNA before cell division
Answer: This ensures that each daughter cell gets a copy of the genome, and therefore, successful inheritance of genetic traits.
Explanation: Hope this helps!
A plant can have either brown (B) or red (b) leaves. Brown is the dominant
trait. If a plant has genotype bb, which best describes the plant?
Answer:
The plant would be red.
Explanation:
It would be red because red leaves are a recessive trait which has lowercase b's so if the genotype for the plant is bb, it would be red. If the plant had BB, it would be brown and if it had Bb it would be brown but, it would be a carrier of the red gene.
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Mountain ranges, subduction zones, and trenches might all result from ____
A. transform boundaries
B. divergent boundaries
C. convergent boundaries
D. equatorial boundaries
Answer:
The answer is Convergent Boundaries
Which of the following is an example of abiotic factors affecting an ecosystem? I. quantity and quality of water II. amount of light available III. nitrogen fixing bacteria IV. quantity of mineral A. I and II only B. I, II, and III only C. I, II, and IV only D. I, II, III, and IV
Which of the following is an example of abiotic factors affecting an ecosystem?
ANSWERThe correct answer is letter C. I, II, and IV only.
III. Nitrogen-fixing bacteria is an example of a living being (biotic) , so it isn't an abiotic factor that affects the ecosystem. While quantity, quality of water, amount of light (sunlight), and quantity of mineral in the soil are all examples of abiotic factors (non-living elements) that make difference in the environment.
Select the correct text in the passage.
Select the sentence that states an adaptation shown by the animals in the bathypelagic zone.
The bathypelagic zone spans from one to four thousand meters in depth. It is called the midnight zone, as there is total abs
Marine animals in this zone survive on the dead and decaying organic matter sinking from the upper zones. This matter is
detritus. They also prey on other animals. They have large mouths, sharp teeth, and flexible stomachs to accommodate la
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Next
Answer:
marine animals in this zone survive on the dead and decaying organic matter sinking from the upper zones. this matter is deritus.
Explanation:
Answer:
They have large mouths, sharp teeth, and flexible stomachs to accommodate...
Explanation:
plato
Complete the sentence to describe what a wave is and what it does.
A wave is a that carries from one place to another.
Answer:
a wave is -a continuous and repeating disturbance of a medium- that carries-energy-from one place to another
Explanation:
Which of the following statements is true for both solar energy and wind energy? (1 point)
Energy is able to be collected both day and night.
Energy collection equipment can be installed in agricultural areas without affecting crop production.
Power generation using this energy source does not contribute to water pollution.
Power from this energy source can easily be integrated into existing power grid systems.
Given what we know, we can confirm that Power generation using these energy sources does not contribute to water pollution.
What are solar and wind energy?Solar and wind energy are clean means to produce electrical energy to power our everyday needs. Solar energy uses specially created panels to harness the heat energy from the sun and produce electricity. Meanwhile, wind energy uses large propellers to harness the wind in order to power a turbine that in change produces electrical energy. By using natural sources to create electricity, these methods do not cause any form of pollution.
Therefore, we can confirm that Power generation using these energy sources does not contribute to water pollution.
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A delta is a formation built up by?
A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or (more rarely) another river that cannot carry away the supplied sediment.
Answer:
Delta is build up by continuous deposition of sediments, which makes the water shallow, causing the landform to rise above the sea level. A delta is divided into four parts, i.e. subaqueous, subaerial, lower delta plain, upper delta plain.
Explanation:
help me please with explanation
Answer:
E: provide a meeting site for mRNA and tRNA
Kinetochore microtubules assist in the process of splitting centromeres by _____.
Kinetochore microtubules assist in the process of splitting centromeres by pulling toward opposite cell poles.
What are Kinetochore microtubules?Kinetochore microtubules are structural proteins responsible for the shape of the spindle during cell division.
Kinetochore microtubules attach chromosomes to the cell spindle microtubules of the cell poles.
This attachment is fundamental to ensure correct segregation during the process of cell division.
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Who was the scientist that identified the elliptical shape of the orbits of the planets in our solar system?.
Answer:
Johannes Kepler
Explanation:
Knowing then that the orbits of the planets are elliptical, johannes Kepler formulated three laws of planetary motion, which accurately described the motion of comets as well.
Kepler's Laws of Planetary Motion
Kepler's three laws describe how planetary bodies orbit the Sun. They describe how
1) Planets move in elliptical orbits with the Sun as a focus
2) A planet covers the same area of space in the same amount of time no matter where it is in its orbit
3) A planet’s orbital period is proportional to the size of its orbit (its semi-major axis).
Plaque buildup in the arteries of the limbs is called.
Answer:
Atherosclerosis
write an acrostic for HONESTY
H - onor
O - neself
N - ow and always
E - arnestly and
S - incerly by
T - rusting
Y - ourself
Which are physical properties? Check all that apply.
Answer:
A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its changes between momentary states
26) Living things are interdependent This means that they depend on each other to survive. The sun makes the plants grow, animals eat the plants, animals eat other animals. What does this represent? A) food web B) population reproduction D) relationships
Answer:
A) food web
Explanation:
food web is all of the food chains
nationalgeographic
A mutation has occurred that prevents uvra and uvrb from forming a complex. What result will this have on damaged dna?.
How does vitamin e stop oxidative damage in a cell membrane?.
Answer:
Vitamin E acts as an antioxidant by donating an electron to free radicals. By reducing the free radicals, vitamin E stops the oxidative damage caused by free radicals.
It should be noted that the donation of electrons to free radicals is how all antioxidants work, not just vitamin E.
The movement of substances from the bloodstream into the tubular nephron is referred to as:.
Answer:
tubular reabsorption I think
The length of a DNA double helix increases by 0. 34 nm for every pair of nucleotides. The total number of nucleotides in a human body cell is 1. 2 X 10^10. Calculate the total length of double helix in a human body cell. Give your answer in metres.
The human body has 3.2 billion nucleotide pairs so the total length of the double helix in a human body cell is about 2 meters.
Two meters of DNA?DNA from a human cell is almost two meters long. To facilitate the organization of DNA within the cell nucleus, it is divided into elements called chromosomes.
With this information, we can conclude that the human body has 3.2 billion nucleotide pairs, so the total length of the double helix in a human body cell is about 2 meters.
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this was for science one of the only questions i did not finish
Define cardiac output.
Answer:
Cardiac output is a term used in cardiac physiology that depicts the volume of blood being pumped by both ventricles of the heart.
How do humans reduce their greenhouse gas emissions
Answer:
Humans can reduce their greenhouse gas emissions (typically carbon, methane, etc.) by switching to all-electric appliances (a good brand that services this is Energy Star), using clean, renewable resources such as wind, solar, hydro, and thermal energy, and switching from a gas-powered car to electric, a huge step to reducing greenhouse gas emissions.
Explanation:
Greenhouse gases are gases that get trapped in the atmosphere and tend to produce more heat on Earth, the way a greenhouse traps heat for the purpose of growing plants better. However, greenhouse gases are bad for our atmosphere, and doing the things listed above can help improve our atmosphere. Hope this helps :)
Answer:
Use natural light instead of electric lights during the day.
Grow your own vegetables in a garden instead of shopping for them.
Explanation:
Plato
In addition to the leaf shape (narrow and broad) and leaf vein arrangement (parallel and non-parallel), leaf ______ is used to classify plants.
Answer: Margin shape
Explanation:
In addition to the leaf shape (narrow and broad) and leaf vein arrangement (parallel and non-parallel), leaf margin shape is used to classify plants.
An environmental impact refers to a change in the habitat and living conditions in ecosystems for plant and animal species. Which of the following
describes an environmental impact of using direct seeding mulch-based cropping (DMC) instead of traditional agricultural methods?
A. Reduced labor costs
B. Increased amount of food source
C. Stimulated biological activity in soils
D. Less equipment needed to farm
The statement that describes an environmental impact of using direct seeding mulch-based cropping instead of traditional agricultural methods is that there is reduced labor costs.
What is direct seeding mulch-based cropping (DMC)?The direct seeding mulch-based cropping is one of the agro-ecology strategies to improve agricultural practices.
Prior to the implementation of DMC, traditional approach of agriculture has been used. This has been labor-intensive i.e. uses a lot a labor.
Therefore, the statement that describes an environmental impact of using direct seeding mulch-based cropping (DMC) instead of traditional agricultural methods is that there is reduced labor costs.
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How many total non unique alleles are there for each gene in a population of 400 humans
Answer:
200
Explanation:
there are 200 for each gene
Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will be __________.
Answer: -70 mV
Explanation:
Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will be -70 mV.
What mechanism is responsible for the targeted integration of a transgene into the host genome?.
Answer:
illegitimate recombination.
Explanation: Which of the following mechanisms is responsible for the random integration of a transgene into the host genome? Integration of introduced DNA into a random (nonhomologous) occurs by illegitimate recombination.
Non-homologous recombination with the help of a plasmid vector is a mechanism that is responsible for the targeted integration of the transgene into the host genome.
What do you mean by Integration?Integration may be defined as a process of incorporating the genetic material of a virus or any other transgene into the host genome.
Non-homologous recombination is a type of genetic recombination in which the segment of a gene is transferred to a different set of DNA which is the host genome.
It requires the usage of a plasmid vector that assists in the migration of transgene from the native genome to the host genome.
Therefore, it is well described above.
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With both ends of the muscle fixed, which of the following occurs if the load attempted is equal to or greater than the force generated by a muscle?.
With both ends of the muscle fixed, the condition of isometric muscle contraction will occur if the load attempted is equal to or greater than the force generated by a muscle.
What do you mean by Muscles?
Muscles may be defined as body tissues consisting of long cells that contract when stimulated and produce motion. They provide the action of movements in organisms.
When both ends of the muscles get fixed, it results in the isometric muscles contraction where the contraction of muscles occurs without motion. These contractions are used to stabilize a joint.
Therefore, with both ends of the muscle fixed, the condition of isometric muscle contraction will occur if the load attempted is equal to or greater than the force generated by a muscle.
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