Answer:
the types of evolution are: divergent, convergent, and parallel [evolution]
:) have a nice day love ❤
Explanation:
Final answer:
Evolution includes divergent and convergent types, with variable rates described by gradualism or punctuated equilibrium models. Divergent evolution leads to a variety in species traits, while convergent evolution results in similar traits in species across different lineages. Continental drift, generation time, and genetic changes further influence evolution rates and patterns.
Explanation:
The concept of evolution encompasses different types and rates, leading to the diversification of life on Earth. One type of evolution is divergent evolution, where related species branch out and adapt to various niches, resulting in a variety of characteristics. Contrastingly, convergent evolution occurs when unrelated species develop similar traits due to comparable environmental pressures. Rates of evolution can vary widely, and are influenced by genetic changes, generation time, and environmental factors.
Evolutionary rates can be slow and constant, supporting the idea of gradualism, where minuscule changes accumulate over vast periods. Conversely, punctuated equilibrium, a model proposed by Niles Eldridge and Stephen Jay Gould, suggests that species evolve abruptly during short periods and then remain relatively unchanged for extended times. This model accounts for the 'sudden' appearance of new forms in the fossil record and proposes that rapid evolution occurs in small, isolated populations.
Geographical changes, such as continental drift, also play a significant role in shaping the patterns and rates of evolution. The measurement of evolutionary rates has been expressed in units such as Darwins and Haldanes, which describe the degree of trait changes over time.
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Forensic Science
Which is a simple test to determine if a paint is made of latex?
A. electron probe X-ray microanalysis
B. gas chromatography
C. mass spectrometry
D. ethanol test
Answer: The answer would be A;electron probe X-ray microanalysis
I hope that this helps! :D
In forensic science ethanol test is the simple test to determine if a paint is made of latex.
What is forensic science ?Any scientific process which is used as part of a criminal investigation is called as forensic science.
This science can span both the grim, grisly procedures of the autopsy and cutting-edge analysis of a crime scene.
forensic science consist of the less glamorous, painstaking lab work of DNA profiling, fingerprint analysis and the uncovering of hidden digital files.
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Match the properties with the subatomic particles.
Answer:
Explanation:
There are three known subatomic particles: Electrons, Protons and Neutrons
Electrons
It has a charge of -1It has negligible massit is found outside the nucleusProtons
It has a charge of +1It has a mass of 1It is found in nucleusNeutrons
It has no electrical charge It has a mass of 1It is found in the nucleusChoose the four types of food molecules digested by the intestines. vegetables,sugars,starches,meats,fats,or proteins. multiple choice
Sugars, starches, fats, proteins.
Vegetables and meats are not types of food molecules but rather, specific food molecules.
What are the possible evolutionary relationships between modern organisms and fossil organisms?
Answer:
Patterns and anatomical similarities in the fossil record can be used to Students who understand the concepts can: ... Apply the patterns in gross anatomical structures among modern organisms and between modern organisms and fossil organisms to construct explanations of evolutionary relationships.
Explanation:
it just easy to understand instead of explaining it
What is the "official" name for the X and Y chromosomes?
Just the x and Y chromosomes.
Answer:
Just x and y
Explanation:
There are 24 sets of chromosome the first 22 are numbered 1 through 22. the 23rd is called X and the 24 is called Y.
If a person has Type A blood which blood types can receive this persons blood?
Answer:
You can receive A and O blood types.
Explanation:
How did the cell theory develop?
Answer:
The cell was first discovered by Robert Hooke in 1665. He examined (under a coarse, compound microscope) very thin slices of cork and saw a multitude of tiny pores that he remarked looked like the walled compartments of a honeycomb. Because of this association, Hooke called them cells, the name they still bear.
Explanation:
How is DNA copied?
A. The antisense strand of DNA is used as a template to create both strands of the new double helix.
B. The sense strand of DNA is used as a template to create both strands of the new double helix.
C. Each single strand of DNA is used as a template to create a complementary strand of DNA.
D. The mRNA made from the DNA is used as a template to create a complementary strand of DNA.
DNA is copied through a process called semi-conservative replication, where each single strand of DNA is used as a template to create a new, complementary strand.
Explanation:The process of copying DNA is a fundamental component of cell division. The correct answer to your question is C. Each single strand of DNA is used as a template to create a complementary strand of DNA. This process is called semi-conservative replication. In this process, the DNA molecule unzips, and each strand is used as a template to synthesize a new, complementary strand. At the end of replication, there are two DNA molecules, each with one old and one new strand, hence the term 'semi-conservative'.
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Final answer:
DNA is copied through semiconservative replication, C. where each old strand serves as a template for a new complementary strand, resulting in two identical DNA copies for the daughter cells.
Explanation:
DNA is copied through a process called semiconservative replication. During this process, each of the two strands that make up the double helix serves as a template for the creation of a new complementary strand. DNA Polymerase reads the template strand and builds a new strand of DNA, maintaining the base pairing rules where adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C).
If the template strand contains the sequence ATGCCA, the new complementary strand will be TACGGT. Therefore, when DNA replication is completed, each new double helix consists of one parental strand and one new daughter strand, ensuring that the new DNA copies have an identical sequence of nucleotide bases and are divided equally into two daughter cells.
chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicle and bone marrow what characteristic do this cells most likely share with cancerous cells
A:they form tumors
B:they spread through the blood
C:they dive rapidly
D: they contain a mutation
Like cancer cells, they divide rapidly and grow fast.
The answer would be C.
Answer:
C - they divide rapidly
Explanation:
The patient diagnosed with cancer may, at some point, undergo chemotherapy and, although not having the real size of treatment, already reaches the doctor's office aware that the approach is accompanied by some consequences, such as hair loss, infections, fever. and vomit.
These side effects of chemotherapy are the result of medications, which directly interfere with the ability of cells to multiply, normal or tumor, and vary according to the type and dosage of medications. In each person, the reactions may be different, varying in frequency and intensity.
Like cancer cells, hair follicle cells and bone marrow cells can divide rapidly, so these cells are affected by chemotherapy.
17. Dermis means
thin layer.
elastic skin.
true skin.
final layer.
I think it means true skin
Dermis means true skin.
What are the different layers of skin?The epidermis, dermis, and hypodermis are the three layers that make up the skin, each with its own structure and function. The skin is made up of a complex network that acts as the body's first line of defense against viruses, UV rays, chemicals, and mechanical harm.The dermis is the skin layer behind the epidermis and above the subcutaneous layer. It is the skin's thickest layer, made composed of fibrous and elastic tissue. As a result, it gives the skin strength and elasticity.Learn more about dermis here:
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What is a land breeze?
Air that travels in a curved path
Air that blows at night over short distances
Air that flows steadily in different direction
Air that blows from the poles to the equator
The answer will be air that blows at night over short distances. :)
A land breeze is an air that blows at night over short distances. Hence, option B is correct.
What is a land breeze?Flowing from land to water late at night is a characteristic of the local wind system known as the land breeze. Along coasts near big bodies of water, land breezes, and sea breezes alternate. Both are brought on by variations in the heating or cooling of the water surface relative to the nearby land surface.
In general, land breezes and sea breezes cause coastal locations to have higher humidity levels, more precipitation, and more moderate temperatures. The nearest coastline is where land breezes are strongest, but further inland, they become noticeably weaker.
A land breeze is an air that blows at night over short distances. Hence, option B is correct.
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Which factor is present in higher amounts in winds that come from oceans than winds that come from land? air pressure cool air warm air water vapor
Answer:
water vapor
Explanation:
Winds from oceans have higher amounts of water vapor compared to winds from land. Oceans are rich moisture sources, leading to increased humidity in ocean-originating winds.
Winds that originate from oceans tend to have higher amounts of water vapor compared to winds from land. This difference in humidity is primarily due to the characteristics of the source areas. Oceans are vast water bodies with a substantial supply of moisture, and as air moves over them, it can pick up water vapor from the ocean's surface. Land surfaces, on the other hand, typically have lower water content, so winds from land carry less moisture.
The presence of water vapor in the atmosphere significantly affects weather patterns, as it can lead to cloud formation, precipitation, and variations in humidity levels. This contrast in humidity content between oceanic and land-originating winds is a key factor in regional climate and weather systems.
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Imagine that you live in Maine. Currently there is a high pressure area over Maine. If a low pressure are moves in, how will the direction of the wind change ?
Answer:the wind will move towards the low pressure area
Explanation:this happens by a basic principal called diffusion ,liquids and gases (matter in which molecules are greatly spaced ) tend to move towards low pressure area so the wind molecules will flow towards low pressure area.
Which of the following are products in the process of photosynthesis? A. carbon dioxide and oxygen B. carbon dioxide and water C. glucose and water D. glucose and oxygen
Answer: the answer is glucose and oxygen
Explanation:
It is not carbon dioxide because, because it is a reactant which means it is used in the process of photosynthesis resulting in the formation of glucose ,neither is water a product because it is also used as a reactant to produce glucose
Oxygen is actually a byproduct but yes it is a product produced during the process of photosynthesis
Answer:
D: glucose and oxygen
Explanation:
Which statement best describes the process of sexual reproduction?
A.
Pollen is released with the aid of wind and water.
B.
A sperm cell fertilizes a vertebrate's egg cell, creating a zygote.
.
C.
A mushroom ejects spores into the air even in the harshest conditions.
D.
A regular house fly begins as a maggot after budding.
Answer:
the answer is B)
Explanation: I had this question in my health class lol
Answer:
B. A sperm cell fertilizes a vertebrate's egg cell, creating a zygote.
Explanation:
Not A, because it is showing asexual production, in which, when the pollen lands, it will grow without needing of an opposite gender.
Not C, because it is exactly the same as A, in which it promotes asexual production.
Not D, because while sexual reproduction is needed, it does not give the process, rather, the process of life after being borned (you want an answer that gives the process before birth.
~
which of the following characteristics a monsoon area ?
A. It has a season of strong winds and heavy rains.
B. It has a season of icy snow storms.
C. It has consistent cold temperatures year-round.
D. It has high altitudes and little rainfall.
It has a season of strong winds and heavy rains.
A monsoon area is characterized by a season of strong winds and heavy rains due to seasonal wind changes. These areas receive abundant rainfall during the monsoon season. Therefore, the correct answer is A: It has a season of strong winds and heavy rains.
Explanation:The characteristic of a monsoon area is that it has a season of strong winds and heavy rains. This is due to seasonal wind changes that produce considerably wetter periods, typically in isolated locations of tropical areas, such as the West African coast and the Central African interior. In these areas, during the monsoon season, these regions receive abundant rainfall, meaning that among the options given, option A is correct as it describes a monsoon area accurately.
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Which of these mass movement events is considered
A) creep
B) rock avalanche
C) slump
D) rock fall
Rock avalanche is a mass movement event that is considered a slide. The correct answer is B.
Rock avalanche is a large landslide from rock slopes. It travels farther than smaller events. Rock avalanche rarely occur but they are very catastrophic events that can result into huge fatalities.
Further ExplanationRock avalanche is very dangerous being the most deadly of all landslides events. It is a deep seated rock that is made up of rapid break up of failed rock mass with high velocities and long run-outs.
Rock avalanches became known in 19th century in Switzerland. It was first recognized in Switzerland when the Elm and Goldau events killed several people that are even far away from the origin of the slide.
The Elm and Goldau events in Switzerland revealed Rock avalanche possesses some peculiarities. Both events entail volumes of cubic meters that engaged large amount of energy and the distance covered in both events is very long.
After these catastrophic events, all rockslides that relates to these characteristics are classified as large rockslides, rock avalanche or “sturzstorms”.
Rock avalanche always result in high number of fatalities in developing countries. However, landslide is triggered by heavy earthquake, heavy rainfall and many other natural causes.
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rockslideslandsliderock avalancheSwitzerlandearthquakerainfallwhich of the following statements is true about external and internal fertilization?
A. external fertilization doesn’t require sexual intercoure
B. all animals that lay eggs use extra large fertilization
C. internal fertilization doesn’t require sexual intercourse
D. all animals that lay eggs use internal fertilization
Answer:
A is correct external fertilisation doesn't require sexual intercourse
Fertilization is defined as the fusion of male and female gametes. The fertilization can be internal or external depending on the organisms and environmental conditions.
The correct answer is:
Option A. external fertilization doesn’t require sexual intercourse
The external and internal fertilization can be explained as:
Internal Fertilization:
Internal fertilization is the process in which egg and sperm cells are united to form a zygote.It takes place inside the female body and follows the mode of sexual reproduction. It gives rise to young offspring similar to the parent. Examples are humans, monkeys, dogs, and other mammals.
External Fertilization:
External fertilization refers to the fusion of gametes outside the female's body.Aquatic organisms like frogs and fish undergo external fertilization. The organism lay eggs in the water, where the sperms released fuse with the female gamete to give rises to the organism. The external fertilization is triggered by the temperature and length of the day.
Thus, external fertilization does not require sexual intercourse, as it takes place outside the female body.
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A dog weighs 70 N on Earth. If the dog was sent to Moon, how would it's weight change
Well first use the equation w=mg so if he is 70N you plug that in for w. The gravity on eartg is 9.8. So 70=m(9.8) m= 7.14
Now on the moon the gravity is 1.6m/s sooooo use the mAss u previously found and plug it in. 7.14(1.6)=w w= 11.42 so the weight changes on the moon and earth but the mAss remains the same.
Final answer:
A dog that weighs 70 N on Earth would weigh approximately 11.60 N on the Moon due to the lower acceleration due to gravity there, which is about one-sixth of Earth's gravity.
Explanation:
If a dog weighs 70 N on Earth, its weight would change significantly if it were taken to the Moon. This change occurs because the acceleration due to gravity on the Moon is only about 1.625 m/s², which is much less than Earth's 9.80 m/s². To calculate the dog's weight on the Moon, you would use the formula:
Weight on Moon = Mass x Acceleration due to gravity on the Moon
The dog's mass (which remains constant regardless of location) can be found by dividing its weight on Earth by Earth's gravity:
Mass = Weight on Earth / Acceleration due to gravity on Earth
Mass = 70 N / 9.80 m/s² ≈ 7.143 kg
Now, multiply this mass by the Moon's gravity:
Weight on Moon = 7.143 kg x 1.625 m/s² ≈ 11.60 N
Where does DNA replication occur during the cell cycle? Why?
Answer:
S phase of Interphase
Explanation:
Which set of characteristics best describes igneous rock? A) largest type of rock, made of organic matter, hardest type of rock B) least abundant type of rock, made of other rocks, made mostly of minerals C) found on all continents, contains wavy bands of stripes, contains fossils D) most abundant type in Earth's crust, made of magma/lava, contains no fossils
Answer:
d
Explanation:
Answer:
D
Explanation:
I took a quiz that had that question.
F.8.2b Which of the following is a principle of natural selection?
A.) Most organisms are infertile or produce nonviable offspring.
B.)Members of a species are genetically identical.
C.) Variations are acquired during an individual's lifetime and so are not passed to offspring.
D.) Helpful variations allow individuals to survive and reproduce better than members who lack these variations.
Answer:
D.) Helpful variations allow individuals to survive and reproduce better than members who lack these variations.
Explanation:
Variation is one of among the principles of natural selection.
Variations occur naturally thereby favouring some individual groups over the other.
In the above example, the helpful variations naturally select the parents of the offsprings while the other members of the group are disadvantaged.
What is the molecule in this image?
A protein..............
If everyone on the planet used the same amount of resources as an average American, what percent of the Earth would need to be used to support everyone?
Final answer:
If everyone on the planet used the same amount of resources as an average American, we would need three planets to support everybody. The U.S. population makes up 5% of the global population but uses one-third of all the resources consumed each year.
Explanation:
If everyone on the planet used the same amount of resources as an average American, we would need three planets to support everybody. The current consumption patterns of humans, particularly in developed countries like the United States, are already dramatically reshaping the world. The U.S. population makes up 5% of the global population but uses one-third of all the resources consumed each year.
protein carrier for copper important iniron homeostasis
Answer: cytochrome oxidase
Explanation:
Copper may help participate in Heme synthesis by action through cytochrome oxidase. Reutilization of iron by the spleen reticuloendothelial cells is subjected to inhibition by the excess copper.
Basically copper helps in intrcytoplasmic transport of iron and helps maintain the iron gradient by heme synthesis . Any alteration In iron concentration I.e
1. Decrease in iron levels indicates very high copper levels
2.Increase in iron levels indicates deficiency of copper.
about how much of earth's fresh water is currently inccessible a)20% b)50% c)80%d)90%
Answer:
b. 50%
Explanation:
Which hypothesis states that the moon originally broke away from Earth during its early formation?
A. Fission hypothesis
B. Accretion hypothesis
C. Capture hypothesis
D. Giant impact hypothesis
Please try to be right.
Answer:
Its A Fission hypothesis
Explanation:
The Fission hypothesis states that the moon originally broke away from Earth during its early formation. This answer has been confirmed as correct and helpful. The Giant impact hypothesis state that the moon originally broke away from Earth during its early formation.
Answer:actually A. Fission hypothesis. "This idea states that a rapidly spinning, molten piece of Earth spun off a large piece of mass shortly after it formed, and this piece of mass later cooled and formed the moon
Explanation:
what do nucleosomes form when they supercoil?
Final answer:
Nucleosomes supercoil into 30-nm chromatin fibers for more efficient DNA packaging, which is essential to fit the long DNA strands into the cell nucleus. These fibers can further supercoil into chromosomes during cell division.
Explanation:
When nucleosomes supercoil, they form structures that allow a greater degree of compaction of the DNA strand. Initially, DNA wraps around histone proteins to form the nucleosome, giving the appearance of 'beads on string.' The second level of packaging occurs when these nucleosomes coil to form a 30-nm chromatin fiber, which further shortens and compacts the DNA. Finally, for maximum condensation during cell division, particularly mitosis, these fibers supercoil into structures known as chromosomes which are the most condensed form of chromatin, reaching a width of approximately 700 nm. The supercoiling of nucleosomes into higher order structures is essential for fitting the lengthy DNA strands into the limited space of the cell nucleus.
Read the following title: Lines Composed a Few Miles Above Tintern AbbeyWhat type of information does this title most likely give about the poem?
Answer: The speaker dosent open with a description of the veiw or even an explanation of where he is
Explanation:
which of the following is a nonrenewable source of energy
Answer:what are the choices I know fossil fuels is a nonrewable source
Explanation: