Answer: Lack of information
Explanation:
You need to give the full question with options to select. As I don't know the answer I can explain Species C 14 is wrong.
Here is the full question:
A scientist is trying to determine how closely related a moth species (Species Z) is to four other moth species (Species A, B, C, and D). He examined the DNA of each species and compared it to the study subject. He then created this table.
Species # of genetic differences
Species A 12
Species B 3
Species C 14
Species D 28
Which species is most closely related to the moth species (Species Z)?
- species A
- species B
- species C (X) Not the answer
- species D
Recent genetic studies have blurred the lines between moths and butterflies, showing that they may not have a true divergence. Moths like the Marbled emperor may share close relations with some butterfly species. The case of the peppered moth demonstrates industrial melanism and the dynamic nature of evolutionary processes within the Lepidoptera order.
Recent genetic studies suggest that moths (Sub-Order Heterocera) and butterflies (Sub-Order Rhopalocera) may not have a true divergence between them, as some species previously classified separately show close genetic relations. The Marbled emperor moth, for instance, which evokes the image of an owl, might be more closely related to certain butterfly species than to other moths. This information comes from a broader understanding of the phylogeny of insects, which is supported by cladograms showing evolutionary relationships.
The phenomenon known as industrial melanism further illustrates the adaptive nature of moths. The example of the peppered moth, Biston betularia, vividly demonstrates this. Before the Industrial Revolution in England, the typically light-patterned peppered moths blended in with lichen-covered trees, avoiding predation. With rising pollution, darker moths had an advantage, and their population numbers surged by the late 19th century. This real-time observation of a population's adaptive response points to shared evolutionary pressures and similarities within the Lepidoptera order, which encompasses both moths and butterflies.
a monomer is the (building block,many molecules) of a biomolecule
Neither matter nor ________ can be created or destroyed, but they can be converted from one form to another??????
S.E.A.L Certified Answer:
Energy
Plasma consists mostly of _
Plasma, often referred to as the fourth state of matter, primarily consists of ions and free electrons. This basic composition gives it unique properties like the ability to conduct electricity. The Sun serves as a common example of a plasma.
Explanation:Plasma is often described as the fourth state of matter, distinct from solids, liquids, and gases. It mostly consists of ions and free electrons, which means it is essentially an ionized gas. In a plasma, a certain proportion of the particles are ionized, that is, they have had some of their outer electrons removed. T
his ionization process gives plasma unique properties, such as being able to conduct electricity and being influenced by magnetic fields. An example of plasma that one might be familiar with is the Sun, as it is predominantly made up of plasma.
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What is the difference between double and single stranded RNA and
the difference between positive and negative RNA
(all relating to viruses) ...?
Which of the following is the primary cause of the rapid rise in loss of biodiversity?
A. New buildings and homes
B. Lack of effective laws and regulations
C. Human activity
D. Natural evolutionary process
...?
The primary cause of the rapid rise in loss of biodiversity is Human activity. This includes activities like deforestation, urbanization, climate change, and pollution. These activities lead to habitat destruction and allow harmful practices to continue unregulated. option c.
Explanation:You are asking about the primary cause of the rapid rise in loss of biodiversity. The main cause of this pressing environmental issue is indeed Human activity (option C). Human activities, such as deforestation, urbanization, pollution, and climate change, have accelerated the loss of biodiversity on an unprecedented scale. This is significantly faster than the natural evolutionary process. For example, construction of new buildings and homes can lead to habitat destruction, while lack of effective laws and regulations can enable harmful practices to continue unchecked.
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According to Newton's law of universal gravitation,the sun would have ___ gravity than earth because it's more ___
1. More / less
2. Massive / distant
According to Newton's law of universal gravitation,the sun would have more gravity than earth because it's more massive.
How did fossil's provided evidence for the continental drift theory?
name at least 4 things our atmosphere does for us
Why is pepsin secreted as an inactive precursor? ...?
What do decomposers eat??
What is the purpose of the biogeochemical cycles?
A.to cycle energy through a food chain
B.to recycle matter through the biosphere
C.to recycle rocks through the layers of Earth
D.to cycle nutrients through the human body
Which nation was able to broker an armistice agreement between North and South Korea, ending the fighting?
Answer:
The Armistice Agreement to end the war between the two Korean nations was brokered by India.
Explanation:
The Korean Armistice Agreement was signed on July 27, 1953 by U. S. Army Lieutenant General William Harrison, Jr. representing the United Nations Command, the Chinese people's Volunteer Army (PVA) and North Korean General Nam II representing the Korean People's Army. This agreement brought about the complete cessation of the hostilities of the war.
India played a mediator in the war, bringing resolutions to ensure peace and ceasefire between the warring nations. The war had never formally ended and this armistice was the truce that will bring the nations into a standstill until further solutions could be found. This armistice suggested the establishing of a Neutral Nations Repatriation Commission (NNRC) chaired by Indian General K. S. Thimayya, which will decide the fate of over 20,000 prisoners of war (POWs) from both sides, among the many issues to be resolved. Though this armistice was not the final solution for the war to stop, it brought a piece of relief for the people and also for the governments until a permanent solution can be found.
Why are pollutants more harmful to tertiary consumers as opposed to producers?
What are two elements of meiosis that add variation to our population?
(Hint: one occurs in prophase 1 and the other in metaphase 1.)
On what sample below would Carbon-14 be most useful for dating? Question 3 options: Mummies from Egypt Stromatolites Rocks from the Archaean Tyrannosaurus Rex bones
A small population of prairie dogs lives in a habitat that does not undergo any changes for a long period of time. How is genetic drift likely to affect this population?
Answer
a)It will accelerate the appearance of new traits in members of the population who are more “fit” for survival.
b)It will allow most members of the population to live longer because they will inherit many beneficial adaptations.
c)It will increase genetic diversity as new alleles are introduced to the gene pool from neighboring populations.
d)It will reduce genetic diversity by decreasing the frequency of some alleles a ...?
Answer:
The correct answer would be d) It will reduce genetic diversity by decreasing the frequency of some alleles.
Genetic drift is one of the methods of evolution in which frequency of certain genotype or alleles is reduced in a population.
It mainly occurs when population size reduces to a very small size due to a random event such as natural disaster, over-hunting et cetera.
The decrease in population size results in the loss of certain alleles or genotype from the population.
Which of the following is most likely to be observed by a physiologist?
Bone, called osseous tissue, is the most rigid connective tissue.
Epithelial tissue is made up of one or more layers of tightly packed cells.
The nervous system is composed predominantly of neural tissue.
The oily secretions from eye ducts prevent the lids from sticking together.
The correct observation that a physiologist is most likely to make is that The oily secretions from eye ducts prevent the lids from sticking together.
To understand why this statement is the most likely observation for a physiologist, let's consider the other options:
1. Bone, called osseous tissue, is the most rigid connective tissue. This is a true statement about the nature of bone tissue, but it is more of an anatomical or histological fact rather than a physiological observation. Physiologists study the functions of living organisms and their parts, so while they would understand this fact, it is not a dynamic physiological process they would observe.
2. Epithelial tissue is made up of one or more layers of tightly packed cells. This is another anatomical description. Epithelial tissues do have important physiological functions, such as protection, secretion, and absorption, but the statement itself describes structure rather than a specific physiological activity that a physiologist would observe.
3. The nervous system is composed predominantly of neural tissue. Similar to the first two options, this is a statement of composition and does not describe a physiological process or observation. Neural tissue does indeed carry out the critical functions of the nervous system, such as transmitting signals, but the statement itself is more about the makeup of the nervous system than an observable physiological event.
4. The oily secretions from eye ducts prevent the lids from sticking together. This statement describes a clear physiological function. The oily secretions, produced by the meibomian glands in the eyelids, are part of the tear film that keeps the eye moist and prevents the eyelids from sticking together when they close. This is a dynamic process that a physiologist could observe and study in the context of the normal functioning of the eye.
In conclusion, the fourth statement is the most likely observation a physiologist would make because it directly relates to the function of a physiological system, which is the primary focus of physiology.
There's a meteor shower tonight! It happens primarily in the _____.
-troposphere
-stratosphere
-mesosphere
-thermosphere
The anser is C, mesosphere
Describe the process of blood clotting. ...?
Answer: Blood clotting is a process of clumping or coagulation that occurs in body when blood vessels ruptured.
Explanation: Process of blood clotting involves :-
1) It starts by injury in body by which blood vessels ruptured.
2) After that vessels contraction takes places to control blood loss of the body
3) Then blood platelets become activated. Blood platelets are cells of blood which are key component of blood clotting. These tiny cells surround the wound.
4) In response to the blood loss , a protein ( Fibrin ) released and then it polymerized , which together with platelets form a clot over the wound and clotting of blood takes place.
Which of the following statements about tolerance range is true?
a.
Tolerance range is different for different organisms.
b.
The tolerance range is the total number of organisms that can be supported by an ecosystem.
c.
Tolerance range is affected by biotic factors in an ecosystem.
d.
The available water supply does not impact an organism’s tolerance range.
Tolerance range is different for different organisms, and it's the span within which different species can survive with respect to various abiotic factors like temperature and dissolved oxygen. Hence the correct option is A.
The correct statement about tolerance range is that it is different for different organisms. Each species has its own range of tolerance for various abiotic factors, such as temperature, dissolved oxygen, and salinity. The tolerance range for a given factor is the range within which a particular organism or population can survive. Abiotic factors, which are non-living chemical and physical parts of the environment like water and sunlight, greatly impact an organism's tolerance range. For instance, freshwater fish have a narrow tolerance range for dissolved oxygen. Significant changes in abiotic factors can lead to adverse effects or even the death of organisms that are not highly adaptable to those changes.
How does decreasing light intensity affect rate of photosynthesis in vascular aquatic plants?
What are the inferred pressure and temperature at the boundary of earth's stiffer mantle and outer core?
The pressure at the boundary of Earth's stiffer mantle and outer core is estimated to be extremely high, with an estimated temperature range of 4,000 to 5,000 degrees Celsius.
The inferred pressure and temperature at the boundary of Earth's stiffer mantle and outer core can be estimated based on scientific understanding of Earth's layers.
At the boundary, the pressure is believed to be extremely high due to the weight of the overlying materials.
The pressure in Earth's core is estimated to be around 3.6 million bars, which is equivalent to 3.6 million times the atmospheric pressure at sea level.
This immense pressure is caused by the gravitational compression of the materials.
In terms of temperature, the outer core is estimated to have temperatures between 4,000 to 5,000 degrees Celsius.
This high temperature is due to the heat generated by the radioactive decay of elements in the core and the residual heat from the Earth's formation.
Final answer:
The pressure at the boundary between Earth's mantle and outer core is approximately 96,667 MPa, and the temperature is around 2,500°C or higher due to the intense conditions deep within the Earth.
Explanation:
The inferred pressure and temperature at the boundary between the Earth's mantle and the outer core are extreme due to the depth at which this boundary occurs. The mantle extends down to a depth of about 2900 kilometers, and the pressure increases with depth. By using the given rule of thumb that 3 km depth equals approximately 100 MPa (megapascals), the pressure at the mantle-outer core boundary would be approximately 96,667 MPa (or around 967 Gigapascals, since 2900 km is approximately 967,000 m). The temperature, as mentioned for the molten iron in the core, would be around 2,500°C. However, this could be even higher at the boundary due to temperature gradients within the mantle and core.
which of the following could result from a algae bloom in a river.
a.algae purify water
b.local plants produce flowers early
c.fish would die
d.plant and animal population would increase
Algae use the presence of increased nutrients and enhance their own growth. Tthey produce an oxygen in the photosynthesis, so it is not a problem while they are still alive. But when these organisms die, their decomposition begins. For the process of decomposition, the oxygen is needed and ultimately it will be depleted from a body of water. This could lead to the death of aquatic animals, such as fish, that depend on oxygen.
A chemical reaction is a process by which atoms or groups of atoms in substances are
If one amino acid in a protein sequence is changed, what could happen?
A.It could become a carbohydrate.
B.Normal bodily functions can change.
C.Proteins are so complex that one amino acid won't make a difference.
Answer: the answer whould be B.
Which structure(s) is/are lateral to the nose?
The discovery that the moon is similar in composition to the outer portions of the earth most supports the _____ theory.
Answer: Giant-Impact Theory
Explanation:
There are many theories discussing the formation of moon. One of the most accepted theories is:
Giant-Impact theory which suggests that a Mars sized object collided with the Earth and the debris clumped together due to gravitational force and started orbiting earth which is now the Moon. Thus, the moon has similar composition as the outer portions of the Earth.
Plant cells perform photosynthesis,which occurs in the
A) chloroplast
B) cytoplasm
C) mitochondria
D) nucleus
Plant cells perform photosynthesis, which occurs in the chloroplast. Therefore, the correct option is option A.
The equilibrium of our planet's ecosystems is maintained in large part by photosynthesis. Plants act as the planet's "lungs" by absorbing carbon dioxide from the atmosphere and releasing oxygen through this amazing process. The generation of glucose, a form of sugar that serves as the primary energy source for plants, is also a result of photosynthesis. Chloroplasts, teeny organelles found inside plant cells and containing chlorophyll, are where the process of photosynthesis takes place. The solar energy from the sun is captured by this green pigment.
Therefore, the correct option is option A.
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PLEASE HELP!!!!! NEED THESE BY 3:00!!!!!!!!!!!!!!!!! SCIENCE Unit 5-6 Test: Sculpting Earth's Surface!!!!!!!!!
15. Give one example of an environmental problem associated with groundwater and explain the impact it could have on people. *
4 points
4 sentences
16. Describe how a stream changes from its headwaters to its source. Include changes in its size and shape, gradient, velocity and discharge. *
4 points
4 sentences
17. How do caverns form? What type of rock are caverns most commonly formed from and why? *
Succession occurs because _______.
a.
organisms gradually change the environment
b.
climax communities are not possible
c.
dominant organisms drive out pioneer species
d.
ecosystems never reach a sustainable point
Correct answer: A) Organisms gradually change the environment
Succession occurs when a disturbance takes place in the environment, it can occur either by the disturbance of minor or major order disturbance.
The major disturbance can be caused due to the natural cause like the volcanic eruption and minor disturbance caused due to a natural or human cause like the forest fire.
Based on the type of disturbance succession is classified into two types of primary and secondary succession.
Primary succession is said to occur when a community or a group of the species evolve from a barren land. The land is fresh and new and no life is found on it.
Example: Succession after the volcanic eruption is said to be primary succession.
Secondary succession is said to occur when the disturbance destroys the whole ecosystem, but still, there is an availability of soil, nutrient, and seed in the ecosystem.
Example: Forest fire