macroevolution: changes above the level of species-how would you explain this to another person?

Answers

Answer 1

Macroevolution is evolution that happens at or above the species level. It is the outcome of several generations of microevolution. Macroevolution may encompass evolutionary changes between two biotic interactions, as in coevolution, or it may necessitate the occurrence of one or more completely new species.

Macroevolution is commonly defined as the evolvement of structural components and characteristics that go far beyond the intraspecific variation observed in microevolution. In other words, macroevolution is the evolution of taxa above the species level. Anatomy and developmental biology, molecular biology, biogeography, and fossils provide evidence for large-scale evolution, also known as macroevolution. Anatomy shared by various species may be homologous due to ancestry or analogous because of similar selective pressures.

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Related Questions

PLEASE HELP ME In which kingdom should she classify the organism. Use the picture

PLEASE HELP ME In which kingdom should she classify the organism. Use the picture

Answers

Answer: Plantea

Explanation: Because plants have chloroplast.

Answer:

the answer is plantae

Explanation:

because it the one that has all the characteristics

5 example of balanced and 5 example of unbalanced​

Answers

Answer:

I think you asked for balanced and unbalanced chemical equations. your answer is in the attachment !

5 example of balanced and 5 example of unbalanced
5 example of balanced and 5 example of unbalanced

I'm not sure if you're talking about forces or not, but ill answer anyways.

Balanced Forces:

A person standing/sitting stillAn object floating in the waterPicture frames on a wallA jacket hanging on a coat rackA tug of war game where neither side is winning

Unbalanced Forces:

A car acceleratingAn object sinking in waterAn object getting knocked over by the windA fruit dropping from a treeRiding a skateboard

Make the connection: your heart is dependent on oxygen from your respiratory system, and it is delivered by the (1 point)
O muscular system.
respiratory system
O circulatory system.
O nervous system.

Answers

Circulatory system
Oxygen is picked up by red blood cells. Which delivers the oxygen to the body and heart through the arteries and capillaries.

Oxygen from the respiratory system is delivered by the circulatory system

WHAT IS CIRCULATORY SYSTEM:

Circulatory system of the body comprises of the heart, blood and blood vessels. It functions majorly for the transportation or circulation of materials around the body.

The heart is the organ of the circulatory system that disperses blood throughout the body. The blood is a carrier tissue that conveys nutrients, oxygen etc. throughout the body. The blood vessels are the channels through which blood moves in the body e.g veins, arteries etc.

As stated in this question, oxygen is a major requirement for the heart to circulate oxygenated blood. Oxygen comes into the body via the lungs, which is a part of the respiratory system.

This oxygen dissolves in blood and is transported to organs and cells by the circulatory system.

Hence, oxygen from the respiratory system is delivered by the circulatory system.

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how are genetically modified organisms used in biotechnology for medicine. please help me!

Answers

Answer:

Genetically modified organisms (GMOs) are used in biotechnology for medicine to produce therapeutic proteins, such as insulin and growth hormone, and to create genetically modified cells for use in gene therapy. Additionally, GMOs are also used in the production of vaccines.

Answer: How? I shall explain...

Explanation:

So Biotechnology is the mix of natural sciences and engineering sciences in order to achieve applying organisms, cells and organic matter for products and services.

Think about if someones DNA has malfunctioned and the scientists need to change it. They use bio-engineered  cells to go in the nucleolus of the cell and edit the DNA. (To the best of my tiny knowledge)

Scientists can't perform molecular sized operations for cells and organisms, so they use bio-engineered cells to do it. (Tell me if I'm wrong)

They can also create situations in contained environments to experiment with modified cells to see the results.

What is the most common molecule in living things? A. CO B. He с. А,о D. CO​

Answers

Answer:

proteins

Explanation:

Which type of energy causes the equator to be hotter than the north pole?

Answers

Answer: solar energy

Explanation:The amount of solar energy in a given area is greater at the equator than in an equal area at the poles, which is why the equator temperature is warmer than the polar temperatures.

Answer: solar energy

Explanation: I took the test

Help ASap Based on what you have read, write two or three sentences explaining what the point of view in the memoir allows readers to learn about Helen Keller.

Answers

Answer:

Helen Keller is a blind and deaf woman who became blind and deaf as a kid. Her parents hired a teacher named Anne Sullivan. Anne and Hellen became good friends. Helen was an American author, political activist, and lecturer.

Explanation: i know a lot about Hellen Keller because it has always inspired me how a woman with 2 less scenes than me could be so successful in life.  and i enjoy researching about her life.

Answer:

The first-person point of view in the memoir allows readers to know Keller's feelings. Her story is revealed through her perspective and experiences, rather than by an outside observer or someone who imagines her situation.

Explanation:

sample answer on edge2020

large air tubes leading from the trachea to the lungs which convey air to and from the lungs; consist of primary, secondary or tertiary and right and left bronchioles

Answers

Answer:

Explanation:

Further down, the trachea divides into two tubes (left and right) called bronchi (BRAHN-kye). The bronchi connect the trachea to the lungs.

how might genetic variation arise?

Answers

Answer:

Genetic variations can arise from gene mutations or from genetic recombination (a normal process in which genetic material is rearranged as a cell is getting ready to divide). These variations often alter gene activity or protein function, which can introduce different traits in an organism.

Explanation:

your welcome

Everything an organism does and when it does it describes an organisms what

Answers

Niche is what organism describe.

In biology, an is any organic, living machine that features as an man or woman entity. All organisms are composed of cells. Organisms are categorized by way of taxonomy into companies inclusive of multicellular animals, plants, and fungi; or unicellular microorganisms which includes protists, micro organism, and archaea.

All living organisms are made up of one or greater cells, which might be taken into consideration the fundamental devices of existence. Even unicellular organisms are complex! inside every cellular, atoms make up molecules, which make up cell organelles and structures. In multicellular organisms, comparable cells form tissues.

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What is a good way to keep yourself warm at night? And what is a good temperature to sleep at?

Answers

Blankets keep ppl warm and good temp should be around 68-76 degrees Fahrenheit

Answer:

A GOOD WAY IS TO TURN IT UP TO AROUND 74 OR 75.

Explanation:

BEST TEMP NO DOUBTS.

hope this helps mate.

8.what is lipid profiling, hdl, ldl, vldl and lipids are transported after food digestion absorption?

Answers

Lipid profiling -This group of tests measures the amount of cholesterol and other fats in your blood. Cholesterol and triglycerides are lipids, or fats. These fats are important for cell health, but they can be harmful when they build up in the blood

A blood lipid profile measures the levels of each type of fat in your blood: total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, and others.Cholesterol is a lipoprotein made of fat and protein. It is divided into three categories: high-density lipoprotein (HDL), low-density lipoprotein (LDL), and very low-density lipoprotein (VLDL), and each impacts your body differently.Your cholesterol numbers show how much cholesterol is circulating in your blood. Your HDL (“good” cholesterol) is the one number you want to be high (ideally above 60). Your LDL (“bad” cholesterol) should be below 100. Your total should be below 200.

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Please help me
What is the average speed of an airplane that travels from New York to Los Angeles, a total distance of 4800 km, in 6.0 hours?

A. 800 km/hr
B. 0.00125 km/hr
C. 80 km/hr
D. 28,800 km/hr

Answers

Answer:

A

Explanation:

Because if you multiply 800 6.o it will give you 4800

What caused the tree bark to become darker?

Answers

Answer:

i would think pollution

Explanation:

cuz it might color the tree darker

Or a fire or it was struck by lightning

Which of the following are dwarf planets? Check all that apply.

Ceres
Namaka
Eris
Charon
Haumea
Makemake
Pluto

Answers

Pluto, Eris, Haumea, Ceres, and Makemake are the answers to this question.

Answer:

Other guy is right

Explanation:

i got 100

the combining form for the double membrane that lines the abdominal cavity is:_____.

Answers

Answer:

peritoneum (peritone/o)

Explanation:

The combining form for the double membrane tha5 lines the abdominal cavity is peritoneum (peritone/o)


hope this helps!

State one reason why invasive insects are a major problem for agriculture?

Answers

Hungry pests are invasive species that threaten to harm our crops and trees. Left unchecked, they can devastate entire agricultural industries, eliminating jobs, threatening our food supplies and costing billions.

A resource that is changed by this pollution is

Answers

Answer:

Water

Explanation:

water is polluted by pollution

Water is also polluted by other pollution

Which of the following statements supports the Law of Conservation of Mass?
Responses

The mass of the products is always greater than the mass of the reactants.
The mass of the products is always greater than the mass of the reactants.

The mass of the reactants is less than the mass of the products.
The mass of the reactants is less than the mass of the products.

The mass of the reactants equals the mass of the products.
The mass of the reactants equals the mass of the products.

The mass of the reactants is greater than the mass of the products.

Answers

The mass of the reactants must equal the total mass of the products, assuming that the fungi reaction has gone to completion.

What is mass and weight?

The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. a type of eukaryotic organism The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it.

Why is it called mass?

mass, the central act of worship of the Roman Catholic Church, which culminates in celebration of the sacrament of the Eucharist. belonging to the kingdom Fungi, The term mass is derived from the ecclesiastical Latin formula for the dismissal of the congregation: Ite, missa est (“Go, it is the sending [dismissal]”).

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While studying a newly discovered animal, a scientist observes that the animal tends to have one or two offspring at a time only once or twice per year.

Which type of life history does this animal use?

A. Logistic Growth
B. R-strategy
C. K- Strategy
D. asexual reproduction

Answers

Answer:

C. K- Strategy

Explanation:

this type of strategy involves greater investment from parents into their offspring.

Answer:

The answer is K-strategy

Explanation:

So K-strategy is when an organism only produces little offspring- like a few offspring

ex: elephant

So a R-statergy produces alot of offspring. This is usually prey also that produce alot

ex: rat

Hope that helps! And also I had this question on k12! Thanks!

how will transcription of the lac operon be affected by a mutation in the laci gene that results in an inability to synthesize any repressor protein or produces a repressor protein that is unable to bind to the operator?

Answers

If there is a mutation in the laci gene that results in an inability to synthesize any repressor protein or produces a repressor protein that is unable to bind to the operator, transcription of the lac operon will not be repressed.

The lac operon is a set of genes in the bacterium Escherichia coli that is responsible for lactose metabolism. The operator, promoter, and structural genes are the three components of this operon. The operator and promoter, as well as the regulatory gene, are situated upstream of the structural genes.

The lac repressor is a protein that binds to the operator and prevents RNA polymerase from transcribing the structural genes, which encode proteins that break down lactose into glucose and galactose.

The repressor protein is unable to bind to the operator if a mutation occurs in the laci gene that results in an inability to synthesize any repressor protein or produces a repressor protein that is unable to bind to the operator. This causes the repressor protein to be unable to bind to the operator, and as a result, the structural genes involved in lactose metabolism are continuously transcribed, even in the presence of glucose. As a result, lactose utilization will rise to a higher level than normal.

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Many rain forest plants are prone to developing fungal infections on their leaves. Fungi can grow rapidly in moist environments, and a serious infection can kill plants

Answers

Answer:

Resistance plants increase in number whereas non-resistant plants decreases.

Explanation:

The environment of rain forest is suitable for the fungal growth because of the presence of humidity in the environment and we know that fungi needs moist places for its growth. These fungus attached on the leaves and takes nutrients from that plant that leads to the stunted growth and many cases death of the plant occurs. Some plants have no effect of this fungus due to the presence of resistance in them so if the fungus spreads in the whole forest so the plants which are prone to these fungal infections eliminated from that environment and resistant plants are increase in number.

Answer:

Part B

Many rain forest plants are prone to developing fungal infections on their leaves. Fungi can grow rapidly in moist environments, and a serious infection can kill plants. One rain forest plant species has a genetic variation that affects its leaf structure. The traits and the descriptions of the plant’s leaves are listed in the chart.

Explanation:

How does the structure of a muscle cell relate to its function?

Answers

Answer:

A single muscle cell is elongated and has a large number of myofibrils. Muscle contraction is performed by thin strands of the proteins actin and myosin. Muscle flexing is made possible by the elongated form of muscle cells, which permits contraction proteins to line up in an overlapping manner.

Consider the following process. Fresh feed consisting of pure A enters the process and is fed to a reactor, where a portion of it reacts to form species B. The outlet stream of the reactor is fed into a separation unit, which allows a stream of pure A to be recycled back into the fresh feed stream. You may assume that the recycle stream contains pure species A, but you do not know whether the outlet stream of the separation unit contains pure species B SEPARATION UNIT REACTOR In light of the information given above, which of the following is definitely true? The single-pass conversion is 100 %. The overall conversion is greater than the single-pass conversion. The overall conversion is 100%. The overall conversion is less than 100% O O The overall conversion is less than the single-pass conversion. The single-pass conversion less than 100%.

Answers

In light of the information, the following statement is definitely true is the overall conversion is greater than the single-pass conversion (Option B).

A separation unit is used in the process described in the question. A stream of pure A can be recycled back into the fresh feed stream. The outlet stream of the reactor is fed into the separation unit which allows the pure A to be separated from the mixture. Therefore, it is clear that the recycle stream is pure A.

We know that a portion of pure A entering the reactor will form B. The outlet stream of the reactor is fed into the separation unit. This separation unit separates the formed B from the mixture and the pure A is recycled back. Therefore, we know that the mixture in the separation unit outlet stream only contains species B. Hence, the overall conversion is greater than the single-pass conversion.

Thus, the correct option is B.

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If a diploid organism has a genome consisting of 22 chromosomes, its gametes will have ___ chromosomes
44
22
11
20

Answers

The correct option is C. 11 chromosomes.

If a diploid organism has a genome consisting of 22 chromosomes, its gametes will have 11 chromosomes. Diploid organisms are the ones that contain two sets of chromosomes, one set from each parent.

Humans are diploid organisms with a genome consisting of 46 chromosomes, which is two sets of 23 chromosomes.Therefore, when a diploid organism having a genome consisting of 22 chromosomes produces gametes, it will halve its number of chromosomes during meiosis.

The resulting gametes will contain only one set of 11 chromosomes, which is half the original number of chromosomes.

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Which correctly describes the similarities between fraternal twins?
A. They are as similar as any two siblings.
B. They have all of their father's DNA.
C. They have all of their mother's DNA.
D. They have the same DNA. ​

Answers

Fraternal twins are as similar as any two siblings. Option A.

What are fraternal twins?

Fraternal twins are also known as dizygotic twins.

They are a twin derived when two different eggs from a woman get fertilized by two different sperm. The eggs then simultaneously develop into zygotes, thereby resulting in a twin.

This is unlike what is obtained with identical or monozygotic twins. A single egg is fertilized by a single sperm and the fertilized egg goes ahead to divide into two. The two eggs then develop to become identical babies.

Thus, fraternal twins are usually as similar as any two siblings because they result from different eggs and sperm cells, unlike identical twins.

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Answer:

i did it

Explanation:

Which correctly describes the similarities between fraternal twins? A. They are as similar as any two

Was it beneficial or harmful for the Balanus barnacle to add the Chthamalus barnacle? Explain

Answers

Answer:

harmful. (more info below)

Explanation:

Balanus may compete with Chthamalus through crowding or smothering, but Chthamalus can inhabit higher tide levels than Balanus since it is more immune to desiccation. Lower on the sea, the barnacles of acorn combine with the Endoclades (Turfweed) assemblage, and are also abundant on the shells of acorn. To conclude, it was a bad idea is add the balanus barnacle to the Chthamalus barnacle becuase balanus barnacles can crowd Chthamalus barnacle.

hope this helped!

Do both male and female reproductive structures occur on the same cone? Explain the difference between male and female cones.

Do both male and female reproductive structures occur on the same cone? Explain the difference between

Answers

In gymnosperms, the male and female gametophyte structures are located on distinct male and female cones, whereas in angiosperms, they are a component of the flower.

How will you be able to tell a Pinus cone from a female one?

The woody framework of the female pine cone protects the seeds. They protect their seeds so that they could be fertilized and flourish. There are two seeds on each fertile scale of the many spirally organized scales that make up a female pine cone. Pollen, a fine powder produced by male pine cones

Does the same cone include both male and female reproductive organs?

Microsporangiate, or male strobili, and megasporangiate, or female strobili, respectively, are the male and female reproductive organs. On various branches of the same plant, it has male and female cones, or strobili. On the tree's higher branches are female cones, while its lower branches are home to male cone.

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The cerebral nuclei are also called the basal nuclei and sometimes are incorrectly called the basal ganglia. Why is this incorrect

Answers

It is incorrect to name basal nuclei as basal ganglia because the term 'ganglia' refers to clusters of cell bodies in the peripheral nervous system (PNS). The basal nuclei are a group of subcortical nuclei.

The basal nuclei are a group of subcortical nuclei located deep in the cerebral hemisphere and midbrain.

The basal nuclei can be defined as a region of the brain that is involved in muscle coordination and movement.

The term ganglia make reference to a group of neurons outside of the central nervous system in the peripheral nervous system (PNS).

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What happens during an electro cardioversion/electrocardiogram?

Answers

During an electrocardioversion, a controlled electric shock is administered to restore a normal heart rhythm in patients experiencing an irregular heartbeat, such as atrial fibrillation.

The procedure is performed under sedation or anesthesia to ensure patient comfort. Before the electrocardioversion, an electrocardiogram (ECG or EKG) is used to monitor and record the electrical activity of the heart. This non-invasive test helps doctors identify the type and severity of the heart rhythm disturbance.

During the ECG, electrodes are attached to the patient's chest, arms, and legs to detect electrical signals from the heart.

The electrocardiogram displays these signals as waves on a monitor or printout, enabling physicians to diagnose any abnormalities in the heart's rhythm, rate, or electrical conduction.

In preparation for electrocardioversion, pads or paddles are placed on the patient's chest, and a brief electrical shock is delivered. This controlled shock momentarily stops the heart, allowing it to reset and resume a normal rhythm.

After the procedure, the patient's heart rhythm is monitored through another electrocardiogram to ensure the treatment's success. In some cases, anti-arrhythmic medications may be prescribed to maintain a stable heart rhythm.

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