Question 1 of 26
Which pair of lists correctly labels Earth's mechanical and compositional
layers and puts them in the right order, with the uppermost layers listed first?
A. Compositional: crust, mantle, core
Mechanical: mesosphere, asthenosphere, lithosphere
B. Compositional: crust, mantle, core
Mechanical: lithosphere, asthenosphere, mesosphere
C. Compositional: asthenosphere, lithosphere, mesosphere
Mechanical: crust, mantle, core
D. Compositional: lithosphere, asthenosphere, mesosphere
Mechanical: crust, mantle, core
SUBMIT
Answers
Answer:
option b is correct , dearExplanation:
I hope it helped
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The correct order of the Earth's mechanical and compositional layers is as follows:
Compositional: crust, mantle, core. Mechanical: lithosphere, asthenosphere, mesosphere. Option B is correct.The Earth's mechanical layers are defined by their physical properties, such as their rigidity and strength. The compositional layers are defined by their chemical composition.
The Earth's mechanical layers are:
Lithosphere: The outermost layer of the Earth. It is the rigid, solid outer layer that includes the crust and the uppermost part of the mantle.Asthenosphere: The layer below the lithosphere. It is a hot, soft layer of rock that can flow slowly.Mesosphere: The layer below the asthenosphere. It is a solid layer of rock that is denser than the asthenosphere.The Earth's compositional layers are:
Crust: The outermost layer of the Earth. It is the thin, solid outer layer that includes the oceanic crust and the continental crust.Mantle: The layer below the crust. It is the thickest layer of the Earth and is made up of hot, solid rock.Core: The innermost layer of the Earth. It is made up of two parts: the outer core, which is liquid, and the inner core, which is solid.To know more about the Compositional, here
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Related Questions
Which structures allow lycophytes to grow bigger than mosses and liverworts?
A. gametophytes and sporophytes
b. xylem and phloem
C. haploid and diploid
D. roots and stems
Answers
The structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem which is option B
Lycophytes are spore bearing vascular plants. Being a vascular plant, they possess vessels ( vascular tissues) which include:
ylem: this is used for conducting water usually from the root to the rest of the plant partsPhloem: this is the vascular tissue that is used to conduct food( sugar) produced in the leaves of plants to other parts of the plant.The possession of the vessels makes the lycophytes appear bigger.
Mosses and liverworts belongs to the plant phylum Bryophyta. They do not have any vascular tissues that can be used to conduct water and food. This restricts their size.
Therefore, the structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem
Learn more about xylem and phloem here:
https://brainly.com/question/2002070
Answer:
xylem and phloem
Explanation:
Lycophytes have specialized tissue that transports nutrients and provides structural support.
que organismos tienen nutrición autotrofa
Answers
plantas verdes
Five more than the quotient of a number and eight is 42
Answers
Answer:
5+x/8=42
Explanation:
This is your answer to the equation.
If you want to solve it, then subtract 5 from both sides to get x/8=37. Then multiply both sides by 8 to get x=296
Hope this helps!! :)
the people who put together the factors of production to produce goods is called
Answers
Answer:
an entrepreneur or innovater
In large populations, small fluctuations in survivorship or reproduction among individual organisms are unlikely to affect allele or genotype frequencies in the population.
a. True
b. False
Answers
Answer: True.
Explanation:
A population is defined as the set of individuals that inhabit a given geographic area. A population has a certain allele frequency, which is the measure of the relative proportion of alleles in a given population, expressed as a percentage or unit. It is estimate using the number of times the allele is found in a locus and dividing it by the total number of alleles. While the genotypic frequency refers to the number of times that each of the genotypes generated by the two-by-two combinations of the alleles involved in the locus under study appears in relation to the total number of genotypes (which will be equal to the total number of individuals included in the study).
The population can be increased or decreased according to the birth and death rates. Generally, unless specific alterations occur, such as the spread of a disease, immigration, emigration, natural disasters, and others, the size of the population will remain constant. This means that the birth rate is quite similar to the death rate. And the larger the population, the more difficult it is to disturb this balance between births and deaths. So if small fluctuations in survival or reproduction occur between individuals, it is unlikely that this will affect the frequency of alleles and/or genotypes. This is explained using the Hardy-Weinberg principle states that the genetic composition of a population remains in equilibrium as long as no mutation occurs, and nor natural selection nor any other factor acts. After a generation of random mating, the frequencies of the genotypes of a locus are fixed at an equilibrium value. Then, the genetic variation in a population will remain constant from one generation to the next in the absence of extreme disturbing factors such as those mentioned above (diseases, natural disasters, and others).
Note that for this principle to be fulfilled, the population must be diploid (have two alleles of each gene), must reproduce sexually in a random manner, and must be large enough to minimize the effect of genetic drift (random fluctuations in allele frequencies from one generation to the next, due to random events that can cause certain traits to become dominant or disappear from a population).
100 POINTS!!!!!! Help FAST!!!!!!!!!!!!!!The picture below shows the bone structures of human, cow, and horse.
Picture shows similar bone structures of human, cow, and horse.
Based on the diagram, which of these statements is correct about humans, cows, and horses?
They have developed from the same organism.
They have completed their evolutionary process.
Humans have evolved from several ancestors.
Horses have evolved from cows and humans.
Answers
Answer:
option A they have developed from the same organism
Explanation:
Organs of animals (belonging to different species) which have similar structure but different functions are homologous organs. Such organs have evolved from the same ancestors , however their function are different.
For example – wings of bats, limb of human etc.
Here in this case also the bone structures of human, cow, and horse are same but their functions are different, thus they are homologous organs and hence they have evolved from same ancestors.
The correct answer is option A
Answer:
"They have developed from the same organism."
Complete the comparison of the metabolic pathways leading to thymine in DNA and thymine as a modified base in tRNA.
Thymine in DNA occurs as the result of thymidylate synthase creating _______________ , which then undergoes ____________ to ____________, then to __________, and incorporated into DNA by ___________.
Answers
Answer:
The question is incomplete, the complete question is as follow:
Thymine in DNA occurs as the result of thymidylate synthase creating _______, which then undergoes _______ to _______, then to _______, and incorporated into D N A by _______. Thymine in tRNA arises ________, by an S-adenosylmethionine-dependent _______ of a ______ residue in RNA.
Answer:
Thymine in DNA occurs as the result of thymidylate synthase creating dTMP, which then undergoes phosphorylation to dTDP, then to dTTP, and incorporated into DNA by DNA polymerase. Thymine in tRNA arises posttranslationally, by an S-adenosylmethionine-dependent methylation of a UMP residue in RNA.
Explanation:
Thymidylate synthase is a key enzyme that catalyzes the synthesis of 2′-deoxythymidine-5′-monophosphate (dTMP) from 2′-deoxyuridine-5′-monophosphate (dUMP). This enzyme catalyzes the addition of a phosphate group (phosphorylation) of dTMP in order to form thymidine 5'-diphosphate (dTDP). Once synthesized, dTMP can be metabolized to deoxythymidine triphosphate (dTTP), which is a precursor for DNA biosynthesis. On the other hand, transfer ribonucleic acid (tRNA) is methylated after the molecule is synthesized. The transfer of the methyl group is catalyzed by an S-adenosylmethionine–dependent methyltransferase that catalyzes the methylation of uridine monophosphate (UMP) using SAM (S-adenosylmethionine) as the methyl donor.
Various biological influences can affect physiology. Which of the following are examples of biological influences on physiology? A. Environmental stressors and hormone levels O B. Environmental stressors and social interactions C. Genetic differences between individuals and hormone levels D. Genetic differences between individuals and social interactions
Answers
Answer:
C. Genetic differences between individuals and hormone levels
Explanation:
Examples of biological factors that influence individuals include the likes brain, immune system, nervous system, and genetics.
Also, the physiology of humans is affected by the biological factors the systemic reaction of the body system such as hormones.
Hence, in this case, Examples of biological influences on physiology are the "Genetic differences between individuals and hormone levels."
List the reactions of glycolysis that: _________
a. are energy-consuming (under standard state conditions).
b. are energy-yielding (under standard state conditions).
c. consume ATP.
d. yield ATP.
e. are strongly influenced by changes in concentration of substrate and product because of their molecularity.
f. are at or near equilibrium in the erythrocyte
Answers
Answer:
b. are energy-yielding (under standard state conditions).
d. yield ATP.
Explanation:
The reactions of glycolysis produces the ATP molecules from the breakdown of glucose molecule. Glycolysis produces 2 molecules of ATP, 2 molecules of NADH, and 2 molecules of pyruvate: Glycolysis breakdown glucose with the help of oxygen produces energy in the form of ATP, NADH, and pyruvate so e can conclude that glycolysis are energy-yielding process for the cell.
Which trait is totally determined by genes
Answers
Answer:
hair color is determined by genetics
Explanation:
GIFT be considered under in vivo fertilization? Explain.
Answers
Explain using the meaning of abiotic and your understanding of the characteristics of life.
Answers
Answer:
Abiotic simply means a non-living thing.
Therefore, my understanding of the characteristics of life are those things that show that something is living.
Things like:
Movement
Respiration
Nutrition
Irritability
Growth
Excretion
Reproduction
Death.
Which of the following is not an example of where primary succession typically occurs?
After a fire
A retreating glacier
Emerging islands
Formation of new lakes
Answers
Answer:
After a fire
Explanation:
Primary succession is one of the two types of ecological succession in which a barren area of land (with no soil) is colonized by organisms called PIONEER SPECIES for the very first time.
Primary succession is characterized by a BARREN area that had no form of previous growth or colonization. These barren area can include a retreating glacier, an emerging islands or the formation of new lakes.
Note that, the succession that occurs AFTER A FIRE or any form of environmental disturbance is SECONDARY SUCCESSION.
Spermatogenesis is a process in which the tests produce
red blood cells
sperms
white blood cell
eggs
Answers
Answer:
Produce sperms.
Explanation:
This occurs in three stages; proliferation and spermatogia differentiation, meiosis, spermeogenesis.
Answer:
._.xd
Explanation:
xd
How would the DNA of a fish compare to the DNA of a lion
Answers
Answer:
The double helix can be found almost everywhere in DNA. AGTC is found in lions, humans, and fish. The double helix is the most stable structure for maintaining genomic integrity in AGTC. The gene structures (that is, sequence) differ, as do promoters and other elements, but the DNA structure remains the same.
The neurons that carry from the brain to the muscle are called ?
Answers
Answer:
Motor Neurons
Answer:
The neurons that carry messages to the muscles are called motor neurons.
Please name and briefly explain two of the ways meiosis results in genetically unique daughter cells.
Answers
Answer:
Recombination and independent assortment.
Explanation:
Recombination and independent assortment in meiosis are the two ways of meiosis that results in genetically unique daughter cells. Recombination is also called crossing over that is the exchange of genetic material that occurs in the germ line. During crossing over, part of one daughter chromosome is exchanged with another that causes diversity whereas independent assortment refers to the allele a gamete receives for one gene does not influence the allele received for another gene.
Si el sobrino de mi papá tiene un hijo que viene siendo mío?
Answers
Answer:
yo creon q sobrino lejan
o
A solution that has a pH of 6.8
a. is acidic.
b. is basic.
C.
is alkaline.
d. has a neutral pH.
PLS HELPPPP
Answers
A solution that has a pH of 6.8
it is acidic as it has got ph value less than 7....But as it has got ph value near to 7 it is weak acidic..
Which of the following is true of crossing over? It involves the exchange of chromosome segments between homologous chromosomes. It occurs in meiosis I. It increases genetic variability. All of the choices are correct.
Answers
Answer: All of the choices are correct.
Explanation:
Meiosis is a type of cell division of the nucleus that occurs in cells that will give rise to gametes (egg or sperm). These are haploid cells (n), that is, they possess only one chromosome of each of the pairs (23 in total). Through meiosis from a diploid cell (2n), four haploid cells are obtained, thanks to two successive divisions called meiosis I and meiosis II. Both comprise prophase, metaphase, anaphase and telophase.
Homologous chromosomes are a pair composed of a paternal and a maternal chromosome. They have the same DNA sequence arrangement from one end to the other, but different alleles. These chromosome copies have the same genes at the same loci where they contribute tips along each chromosome that facilitate a pair of chromosomes to align correctly with each other before they separate during meiosis. Sister chromatids are those that make up a chromosome after duplication of the genetic material.
The homologous chromosomes of maternal and paternal origin, mate and this process is called "synapsis" and form what is known as a tetrad or bivalent chromosome, giving the impression that it is a chromosome with four chromatids. In these tetrads, junctions called chiasmata are formed, areas in which both homologues exchange genetic material or genes, a process known as crossing-over. The chiasmata allow the chromosomes to be held together until their separation in anaphase l. So, genetic recombination is the process by which a segment of genetic material from a maternal chromosome is cut and then joined to a paternal chromosome (or vice versa) during prophase I of meiosis. So it happens between non-sister chromatids of a paternal and a maternal chromosome.
After crossing over, the homologous chromosomes are arranged randomly at the cell's the equator of the cell at random (methaphase), facing each other, still united in the areas where crossing over occurred. Each chromosome is associated with a meiotic spindle fiber of the meiotic spindle and they are pulled along the meiotic spindle and driven toward the respective poles (anaphase). The chromosomes are now arranged at the poles and the reorganization of the nuclear envelope and the nucleolus begins. Finally, cytokinesis occurs and the rearrangement of cellular components and reorganization of the cytoskeleton. As a result of meiosis I, 2 haploid cells are obtained and then meiosis II occurs, where the sister chromatids are separated, generating two more cells (a total of 4).
Genetic variability is generated because the gametes produced during meiosis will not inherit the same chromosomes as the mother cell, but due to crossing over, the inherited chromosomes will be genetically different.
2 diferensias entre ell dominio archea y eubacteria
Answers
What is the effect of alcohol administration on the frequency of Daphnia heart contractions and how does this effect of alcohol change with the dose of alcohol applied?
Answers
Answer:
to prevent bacteria and viruses
The area within the lungs where gas exchange occurs is called?
Answers
Answer:
The alveoli are the sites of gas exchange; they are located at the terminal regions of the lung and are attached to the respiratory bronchioles. The acinus is the structure in the lung where gas exchange occurs. The sac-like structure of the alveoli increases their surface area.
Is the introduction of contaminants into a natural environment that causes instabilitying organisms and the physical environment
interact in an immense and complicated web of relationships.
O a Chemicalsubstances
Ob pollution
Oc. Environment
Answers
Answer:
ℴℴℴ
Explanation:
ℯℯ ℴ ℯ ℊ
climbers often bear big fruits True or false
Answers
Answer:
False
Explanation:
The climbers doesn't often bear big fruits. It gives small fruits and berries like Grapes, Kiwi, etc. Hence, your statement is incorrect (false).
1. Which of the following would classify a protozoan as an Amoebozoa?
A.)Having a pellicle B.)Movement by pseudopods C.)Having an oral groove D.)Having an endoplasm E.)Having an ectoplasm
2. Which of the following would be analogous to a sperm penetrating an egg?
A.)Plasmogamy B.)Mitosis C.)Germination D.)Meiosis E.)Karyogamy
3. Which of the following can infect the brain? A.)Euglena B.)Trichomonas
C.)Trypanosoma D.)Plasmodium E.)Giardia
4. Flukes and tapeworms are in the same phylum because they are which of the following? A.)Long B.)Thin C.)Round D.)Short E.)Flat
5. Which of the following is used to keep the protozoa from swelling?
A.)Endoplasm B.)Plasmalemma C.)Ectoplasm D.)Contractile vacuole
E.)Pellicle
Answers
Answer:
D.Having an endoplasmC. GerminationA. EuglenaC. RoundE. PellicleWhich part of visible light transfers the most energy?
Gamma
ray
Ultra-
violet Infrared
Radio
Ah
X-rays Visible Microwave
O red
O blue
mmm
O green
O yellow
Wavelength (nm)
10-
10-
1
102
10-
10*
10°
1010
Frequency (Hz)
10%
10"
101
1015
101
10"
10°
107
Answers
Answer: It's most likely Gamma Rays.
Explanation:
Witch of the following is an example of a good hypothesis? A. The vinegar is the acid and the soap is the base. B. I think the glow sticks will be brighter in the hot water. C. When placed in hot water , sugar cubes will dissolve more slowly then granulated sugar. D. Hot water makes things disk faster.
Answers
Hope that helps!
Writing Assignment
One of the main functions of connective tissue is to integrate
organs and organ systems in the body, Discuss how blood
fulfills this role.
Answers
Answer:
Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body .Blood integrates organs and organ systems by transporting and exchanging fluid with various organs and organ system to allow them to function and work properly allowing the organism to survive
In what way is DNA replicated?
A. Dispersive
B. Complete
C. Semi-Conservative
D. Conservative
Answers
DNA is replicated in a semi-conservative manner (option C). Details about DNA replication can be found below.
What is DNA replication?DNA replication is the process by which a new strand of DNA is synthesized prior to the process of cellular division.
DNA replication occurs in the S-phase of the interphase stage, before the nucleus of the cell divides.
DNA is replicated in a semi-conservative manner in such a way that one strand serves as a template for the other.
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