Answer:
Selective breeding is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
Which of the following organisms exhibit cell differentiation?
Answer:
Dogs
Explanation:
Dogs, being a multicellular organism it undergoes cellular differentiation. Cellular differentiation is a process whereby one type of cell changes to other type and performs different activities
Hope I helped
Look at the chemical reaction below
Magnesium + hydrochloride acid —> magnesium chloride + hydrogen
Mg + 2HCI —> MgCI2 + H2
In this reaction
Magnesium (Mg) is a reactant or product
Hydrogen (H2) is a reactant or product
Magnesium chloride (MhCI2) is a reactant or product
Hydrochloride acid (HCI) is a reactant or product
Answer:
Mg is a reactant ,H2 is a product, MgCl2 is a product and HCl is a reactant.
Which energy source contributes least to global warming?
Answer:
ITS D
Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution. ... Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices. Small footprint on land – can be built partially underground.
The environmental effects of geothermal development and power generation include the changes in land use associated with exploration and plant construction, noise and sight pollution, the discharge of water and gases, the production of foul odours, and soil subsidence.
SO YOU SEE THE ANSWER IS D
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Explanation:
Answer:
D: Geothermal.
What are three ways RNA differs from DNA
Answer:
1. DNA is double-stranded, and RNA is single-stranded.
2. DNA stores and transfers genetic information, RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.
3. DNA contains the sugar deoxyribose, RNA contains the sugar Ribose.
Fill in the blanks with the correct word or phrase.
The process of change in a population over time is called
.
The process by which organisms that are better adapted to the environment survive and reproduce is called
.
I)I think it's population growth
ii) adaptation
Answer:
Evolution
Natural selection
Explanation:
The first model represents the proton and neutron distribution in the nucleus of four helium isotopes. The second image shows the entry for helium in the periodic table. Based on the information in the periodic table, which is the most common isotope of helium?
Answer:
Helium exist as an isotope, its most common isotope is the one that is placed on the periodic table. The helium atom on the periodic table has two electrons, two protons and two neutrons. The proton and the neutron are located inside the nucleus, this means that two protons and two neutrons can be found inside the helium nucleus. Thus, in the pictures given above, the correct picture is the one that contain four particles.
Explanation:
which is not an example of inorganic fertilizer? A.nitrogen fertilizer B.phosphorus fertilizer C. Livestock waste
Answer:
Livestock waste
Explanation:
Fertilizers supplement the soil with macronutrients needed in large amounts: nitrogen, phosphorous and potassium. However, organic and inorganic fertilizers do so via different materials. Organic fertilizers contain only plant- or animal-based materials that are either a byproduct or end product of naturally occurring processes, such as manures, leaves, and compost.
Inorganic fertilizer, also referred to as synthetic fertilizer, is manufactured artificially and contains minerals or synthetic chemicals. For example, synthetic nitrogen fertilizers are typically made from petroleum or natural gas. Phosphorus, potassium and other trace elements in inorganic fertilizers are often mined from the earth. Balanced inorganic fertilizers, high in all three macronutrients, commonly include products like ammonium nitrate, ammonium sulfate, potassium chloride (potash), triple superphosphate, and magnesium sulfate (Epsom salts).
Answer:
Hey!
C. LIVE STOCK WASTE is your answer!
Explanation:
Waste from cattle/pigs/goats/hens and other animals in the farm all contain organisms which live in the waste...this is how the waste is decomposed and formed into natural fertilisers
THE REST DO NOT CONTAIN ANY ORGANIC MATTER...
HOPE THIS HELPS!!
A human baby is born with one X chromosome and one Y chromosome. What
must be true about this baby?
A. The baby is female
B. The baby is haploid
C. The baby is prokaryotic
D. The baby is male
Answer: d) the baby is male
Explanation: Ovules contain X chromosomes whereas sperms come in two types: one type contains x chromosome and the other contains Y chromosome.
When a sperm containing X chromosome fertilises with an ova, the zygote will have two X chromosomes. This zygote would develop into a female child. When a sperm containing Y chromosome fertilises with an ova, the zygote will have one X and one Y chromosome. This zygote would develop into a male child.
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Answer: the baby is male
Explanation: female babies are born with 2 X chromosomes. Haploid babies have a one set of unpaired chromosomes. It’s impossible for a baby to have an X and Y chromosome pair and be prokaryotic. Males have one X chromosome and one Y chromosome, so it has to be male.
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What are alien species?
5. Match the column
a. magnifying glass.
b. Amoeba
c. Ostrich egg
d. chloroplast
e. Mycoplasma
i) single celled organism
il) smallest cell
iii) plant cell
iv) largest cell
v) simplest microscope
Answer:
a-v
b-i
c-iv
d-iii
e-iv
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 Describe the cultural component "Innovation." Give two examples. Give an example of the cultural component "Cultural Universals."
Answer:
Innovation is the process of introducing new ideas or promoting change through a new idea or object. There are two main types of innovation: discovery and invention. This is a guiding principle of Americans not to settle and to remember that things can always improve or be enhanced. Through this spirit of innovation, Americans are always working to advance the fields of science, medicine, and technology.
Answer:
the cultural component "Innovation." Give two examples. Give an example of the cultural component "Cultural Universals.
Expla:
Innovation is the process of introducing new ideas or promoting change through a new idea or object. There are two main types of innovation: discovery and invention. This is a guiding principle of Americans not to settle and to remember that things can always improve or be enhanced. Through this spirit of innovation, Americans are always working to advance the fields of science, medicine, and technology.
How is a brain injury classified?
Answer:
Brain injury classified as an injury of the central nervous system.
CNS is made up of the brain and spinal cord therefore, Central nervous system injury is found in the brain and spinal cord. When some external injury causes damage directly to the central nervous system.
An example is a coma it occurs when central nervous got a serious injury.
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Explanation:
Parent organisms and offspring have what DNA?
Answer:
If the parent reproduces sexually, it's offspring will inherit exactly half of it's DNA. The other half is inherited from the other parent. If the parent reproduces asexually, it's offspring will be a clone (i.e. have the same DNA).
Explanation:
Mutation may occur in gametes or in body cells. In which cell type is a mutation likely to be source of genetic variation for ?
Answer:
Una mutación es el cambio al azar en la secuencia de nucleótidos o en la organización del ADN (genotipo) de un ser vivo,1 que produce una variación en las características de este y que no necesariamente se transmite a la descendencia. Se presenta de manera espontánea y súbita o por la acción de mutágenos. Este cambio estará presente en una pequeña proporción de la población (variante) o del organismo (mutación). La unidad genética capaz de mutar es el gen, la unidad de información hereditaria que forma parte del ADN.2
En los seres pluricelulares, las mutaciones solo pueden ser heredadas cuando afectan a las células reproductivas.3 Una consecuencia de las mutaciones puede ser, por ejemplo, una enfermedad genética. Sin embargo, aunque a corto plazo pueden parecer perjudiciales, las mutaciones son esenciales para nuestra existencia a largo plazo. Sin mutación no habría cambio, y sin cambio la vida no podría evolucionar.
Explanation:
What occurs during a decomposition reaction?
New compounds are formed by chemical bonding
The components of several molecules recombine to form new molecules,
A compound partitions into its components,
Answer:
A compound partitions into its components,
Explanation:
Decomposition reaction is a type of chemical reaction occur when compounds partition of breakdown into new components or elements.
An example is the decomposition of hydrogen peroxide. Hydrogen peroxide decomposed to water and oxygen. Another example is the decomposition or breakdown of water into hydrogen and oxygen.
Answer:
A compound partitions into its components
Explanation:
Neurotransmitters can be blocked which
disrupts the __ impulse from traveling
through the target neuron.
A. synthetic
B. electrical
C. somatic
D. chemical
In the text area below describe the function of the
cell wall.
DONE
Answer:
The cell wall supports and protects the cell, determines the shape of the cell, assists cells in communication, stores carbohydrates, and allows water and smaller particles to enter the selectively permeable structure of the cell.
4
Which is a function of protein macromolecules?
O A. Storing energy in bonds
O B. Making codes for organisms
O C. Making muscle tissue
O D. Insulating organs in the body
how could the presence or absence of a protein determine a phenotype
Answer:Proteins Dictate Phenotype
Genotype controls phenotype because genes direct the production of proteins . ... Some proteins serve structural functions (for example, in the maintenance of cell and/or tissue shape and rigidity) while others are involved in the transport of molecules and communication between cells.
Answer:
Each protien is essentially a code for a genotype (what the DNA is "saying"). Different genotypes (or DNA combinations) cause the person, plant, animal, etc. to look different.
Explain how an atom of carbon in the atmosphere becomes part of the muscle of the wolf.
Answer:
Explanation:
Carbon atoms in the atmosphere are in the form of CO2
Plants convert CO2 into simple sugars , animals eat the plants and use the sugars for fuel and building tissues like muscle
The bending of which body part involves the working together of parts of the skeletal, muscular, and nervous systems?
Answer:neck
Explanation:
The bending of the neck involves the cranial nerves ,muscles and also vertebral skeletal system
Planting young trees in areas where older trees have been harvested is part of
A. Clear cutting
B. Logging
C. Selective cutting
D. Sustainable forestry
Experiment: Water Properties: Why were the results with just water so much different than the trials with the detergent?
Answer:
Explanation:
Water is a universal solvent whose molecule are joined together with a force of attraction. Its surface tension is hidden between bonds. When washing, soap is added for easy penetration of water molecule and to decrease the surface tension. This then allow the water to move freely round the object been washed.
Detergent aid the distribution of water, of water is used alone without the detergent then the surface area of water will not be reduced to all even spread. But, if detergent is added the tension is reduced and a better result is obtained.
Please help! 100 points! Only answer if you know :)
What are some ways that the nitrogen cycle overlaps with or influences the oxygen and carbon cycles?
Are any of these interactions between the cycles positive?
Are any negative?
What about when the nitrogen cycle is thrown off balance by the Haber-Bosch process and others like it?
How can that influence the oxygen and carbon cycles?
Are there other cycles involved that have not been mentioned in this question?
What does this discussion suggest about the nature of the Earth as one large system?
Answer:
1. Nitrification occurs when soil microbes convert ammonium into nitrate. Much of the overlap between the carbon cycle and the nitrogen cycle occurs in the soil, in processes conducted by soil microbes. Microbes break down nutrients, build new compounds for their own growth, and eventually die.
The second question im not sure sorry- the positive and negative one ;(
3. Many human activities have a significant impact on the nitrogen cycle. Burning fossil fuels, application of nitrogen-based fertilizers, and other activities can dramatically increase the amount of biologically available nitrogen in an ecosystem. As nitrogen makes up 78% of the atmosphere, there is no shortage of it – it just isn't in a form plants and animals can use.
4. Carbon makes its way through living things as carbon-based compounds, like energy molecules, fats and proteins, eventually cycling its way back into the atmosphere. Nitrogen is mainly found in the atmosphere as well and enters the ecosystems as nutrients for plants. Water, nitrogen and carbon cycles. Carbon moves from the atmosphere and back via animals and plants. Nitrogen moves from the atmosphere and back via organisms. Water moves on, above, or below the surface of the Earth.
5. Carbon cycle, Nitrogen cycle, Nutrient cycle, Oxygen cycle, Phosphorus cycle, Sulfur cycle, Rock cycle, Water cycle.
6. Wind, water, and ice erode and shape the land. Volcanic activity and earthquakes alter the landscape in a dramatic and often violent manner. And on a much longer timescale, the movement of earth's plates slowly reconfigures oceans and continents. Each one of these processes plays a role in the Arctic and Antarctica.
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. Earth's surface is the only habitat available to the human race. Understanding the processes by which that habitat has been created and continually altered is important to determine the causes of environmental degradation.
Which scenario causes gene flow
Answer: Migration is one way that genes are transferred from one population to another.
Explanation: Gene flow is caused by a significant change in the population of individuals due to the addition of other individuals whose alleles are slightly different from those of the existing individuals
Answer:
Introgression refers to gene flow from another taxon. While low levels of gene flow between species are not uncommon, it is a serious issue when an introduced invasive species hybridizes with a native species and overwhelms its genetic constitution (genetic swamping). This is a major threat in canids, ducks, fish and plants. For example, exotic rainbow trout introduced into the habitats of native cutthroat trout in the Western United States led to hybrid swarms that eventually overwhelmed the local species. Introgression is readily detected by molecular genetic and genomic methods.
Explanation:
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explain why flowers are important to a plant ?
Because they are reproductive organs of a plant
How does transferring energy into a container of magnetic marbles affect the speed by shaking the container gently?
By the transfer of energy into a container of magnetic marbles the speed changes because of kinetic energy produced by the shaking of container gently. This will lead to phase changes.
What is kinetic energy?All the phase changes in a system are accompanied by the change in the energy of a system. These include transfer of kinetic energy to a system. Changes from a more-ordered state to a less-ordered state are endothermic reactions. Changes from a less-ordered state to a more-ordered state are always exothermic reactions.
A phase change in a system takes place when a matter changes from one state to another state. These changes occur when sufficient amount of energy is supplied to the system or lost from the system. Phase changes also occur when the pressure on the system is changed.
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which of the choices below is NOT a way in which carbon dioxide is transported in the blood
A. It enters red blood cells and forms carbonic acid
B. it dissolves in the blood plasma
C. it bind to hemoglobin and proteins in plasms
D. it is carried by the antibiotics found on B Cells
Answer:
is this your only question
Explanation:
i think its C, but im not sure....
what type of animal is a girrafe?
Answer:
It is an African artiodactyl mammal
Explanation:
Answer:
Explanation:
i strongly believe it is It is an African artiodactyl mammal
hope it helps
-Delilah
science question help?
Answer: The answer for question 8 would be C and the answer for question 6 would also be C.
Explanation: This is because although both the focus and epicenter describe where the earthquake was, the focus refers to the actual area on the fault that is underground and the epicenter refers to above ground.
