Scientists have been tracking the distribution of genetic variations within an elephant population over a period of 15 years. These variations alone can be used as evidence of
different cognitive abilities.
different reproductive success.
different environmental factors.
different stress-related issues.
Answers
GENETIC variation can be used as evidence of differential reproductive success. It is for that reason that more genetically diverse populations have more chances to adapt to environmental changes.
Reproductive success, also known as evolutionary success, refers to the proportion of offspring across the lifespan of an individual.
Moreover, intraspecific genetic variation refers to differences in the nucleotide (DNA) sequences between individuals of the same population.
Genetic diversity represents the raw material on which natural selection can act, which means that certain genes can increase an organism's ability to survive and reproduce.
In consequence, genetic variation is fundamental to introduce different phenotypic traits in a population, which may affect the reproductive success of individuals of that population.
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Related Questions
Look at the graph to the right. During which 500 meter interval does the temperature decrease most rapidly?
Answers
Answer:16 degrees
Explanation:
A swimmer sprints a short distance for a competition. The swimmer is not able to take in enough oxygen to make the ATP needed for the sprint. Which of the following processes is most likely going to occur in the swimmer's muscle cells during the competition? (4 points)
1. A protein acts as a channel to allow large, hydrophilic molecules to diffuse across the cell membrane.
2. A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
3. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
4. Water moves by osmosis from higher concentration to lower concentration by passing through proteins called aquaporins.
Answers
The process that is most likely going to occur in the swimmer's muscle cells during the competition is C. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
How to illustrate the information?The main molecule for storing and transferring energy in cells is adenosine 5'-triphosphate (ATP). It is frequently referred to as the cell's energy currency and is like the money that is kept in a bank.
The ATP (Adenosine triphosphate) will be impaired if the swimmer is unable to breathe in enough oxygen to power through the sprint. The body will employ anaerobic respiration to make ATP under these circumstances. Without oxygen, anaerobic respiration takes place. In the respiratory cycle, it substituted the electron acceptors for oxygen. However, anaerobic respiration produces less ATP than aerobic respiration.
Therefore, the cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
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Cellular respiration use sugar and _______ to make ATP,_________ and ______
Help
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James notices that a macro virus has been detected on a workstation in his organization. What was the most likely path for the infection
Answers
Answer:
A user intentionally enabled macros for an infected file
Question 1 Which of these is an example of a liquid-solid solution?
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which of what? is there an attachment
please help
what are three types of DNA Mutations?
Answers
Answer:
1.) Deletions
2.) Insertions
3.) Base substitutions
Explanation:
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The relative concentration of solute inside and outside a cell can cause water molecules to move across the membrane. Which phrase would be an alternative title to the diagram
A. Facilitated Diffusion Across a Membrane
B. Osmosis Across a Membrane
C. Exocytosis in a Cell
D. Active transport in a cell
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The movement of water across a gradient is called osmosis.
a species population growth is limited by
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Answer:
Resources
Explanation:
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jshbrrbrhendbirnrbhrbf trying to fill up the space so I can send it
genes turn on or off to regulate the activity of multiple choice rna. multifactorial disorders. differentiation. mutation.
Answers
Genes that are turned on or off to prevent the function of most RNA options are mutations. The process of turning genes on and off is called as Gene regulation.
Gene regulation is an important part of usual development. Genes are turned on and off differently during development so that brain cells form and function differently than liver cells or muscle cells, for example. Gene editing allows cells to respond more quickly to changes in their environment. A mutation is a change in the DNA sequence of organism. Mutations can result from DNA replication errors during cell division, exposure to mutagens or viruses. Genetic processes can occur at any time during gene expression, but most often occur at the level of transcription (when the information in the gene's DNA is passed down to mRNA).
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Explain how organelles and other structures interact to secrete substances from the cell.
Answers
Answer:
Organelle and other structures have vessels that are collectively referred to as the endomembrane system
The interaction of organelles and other structures to secrete substances from the cell is as follows:
Cell secretion is a long-lasting process by which a cell directs secretory vesicles out of the cell membrane.
In exocytosis, the proteins or molecules produced in the endoplasmic reticulum are enveloped in a vesicle towards the Golgi apparatus.
The substances pass through all the saccules of the Golgi apparatus and when they reach the trans face of the dichthyosome, in the form of secretory vesicles.
These are transported to their destination outside the cell, crossing the cytoplasmic membrane by exocytosis.
Golgi apparatus not only communicates with the membrane but with all the organelles found inside the cell, including peroxisomes and mitochondria.
Therefore, we can conclude that the reticulum and Golgi apparatus participate in secretion of substances from the cell, the vesicles fuse in the plasma membrane, thus releasing their content to the extracellular medium.
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Which organism is most reliant on other organisms, natural processes, or both for reproduction? Explain your answer.
Answers
Answer:
The organism most reliant on other organisms for reproduction is a parasite. Parasites rely on other organisms, such as their host, for reproduction as they lack the necessary reproductive organs. They must rely on the reproductive organs of their hosts in order to reproduce. Additionally, parasites may rely on natural processes such as environmental conditions in order to reproduce.
Answer:
sexual reproducers
Explanation:
season, and where other organisms are
3 Make a fist and tighten your fingers Where are the muscles that let you tighten your fingers?
Answers
Answer:The muscles that move the finger joints are in the palm and forearm. The long tendons that deliver motion from the forearm muscles may be observed to move under the skin at the wrist and on the back of the hand.
Explanation:
PLEASE HELP!!
Come up with another myth about the classification of organisms. Then, give two to three reasons why the myth is untrue. Use complete sentences and support your answer with evidence, using your own words.
6. Your myth:
Fact:
Evidence:
Answers
A myth about the classification of organisms and two to three reasons why the myth is untrue are:
Myth: All organisms can be classified into just two categories: plants and animals.Why the myth is untrue?This myth is untrue for a few reasons:
There are more than two categories of organisms: While plants and animals are two of the major categories of organisms, they are not the only ones. Other categories include fungi, protists, and bacteria, which are all distinct groups of organisms with their own unique characteristics.Not all plants and animals are the same: Within the categories of plants and animals, there is a great deal of diversity. There are many different types of plants (e.g., trees, shrubs, flowers) and animals (e.g., mammals, birds, reptiles) with their own unique characteristics.Lastly, the classification of organisms is based on evolutionary relationships: The classification of organisms is based on the evolutionary relationships between different groups of organisms. This means that organisms are classified based on their shared ancestry and the evolutionary changes that have occurred over time.
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what is a natural cycle
Answers
Answer:
Natural cycle: a natural process which regulates Earth's systems. Solar cycle: changes in the amount of activity on the sun's surface. Carbon dioxide goes through natural cycles over hundreds of thousands of years. ... Earth goes through many natural cycles and climate is no exception.
Explanation:
The element nitrogen is present in all of the following except A) proteins.B) nucleic acids.C) amino acids.D) DNA.E) monosaccharides.
Answers
Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).
A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.
Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.
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1. A pulmonary artery carries blood from
a. the right ventricle to the lung.
b. the lung to the left atrium.
c. one lung to the other.
d. the pulmonary vein to the heart.
Answers
Answer:
D. the pulmonary vein to the heart
why is a buffalo more adapted for wet conditions?
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Answer:
It is because of its morphological and anatomical characteristics that the buffalo is so well suited to hot and humid climates and muddy terrain.
Give examples of how the structure determines function in different systems of the human body.
Answers
Answer: The shape (structure) of a protein determines its function. For example, there are two basic shapes for proteins: fibrous and globular (round). Fibrous proteins, such as collagen (Figure 18.1), are shaped like a rope and give strength to our skin to prevent it from tearing.
Explanation:
What happens to the size of plants during sucession?
they get bigger
they get smaller
there is no change in size
Answers
Please help fill out the table i don't
understand how to do it
Answers
To calculate the atoms of an element in a given molecule, we need to multiply stoichiometry by the number that is written on the foot of that element. Therefore, The balanced equation for photosynthesis reaction can be given as
CO\(_2\) + 6 H\(_2\) O → C \(_6\) H \(_{12}\)O \(_6\)+ 6 O \(_2\)
What is Balanced equation?Balanced equation is the one in which the total number of atoms of a species on reactant side is equal to the total number of atoms on product side. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, displacement reaction.
The balanced equation for photosynthesis reaction can be given as
CO\(_2\) + 6 H\(_2\) O → C \(_6\) H \(_{12}\)O \(_6\)+ 6 O \(_2\)
Therefore, the balanced equation for photosynthesis reaction can be given as
CO\(_2\) + 6 H\(_2\) O → C \(_6\) H \(_{12}\)O \(_6\)+ 6 O \(_2\)
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Which summary best describes the process of natural selection?
Farmers select and breed animals with desirable characteristics
Humans create new species of organisms through genetic engineering
Individuals that inherit traits suited to their environments survive and reproduce
O Populations with a small gene pool interbreed to increase diversity
Answers
Answer:
the answer to this would be c
Explanation:
This biotic factor in the photograph characterizes which ecosystem? It is a picture of racoons on a tree branch or something A. bog B. oak forest C. aphotic zone D. subalpine fir forest
Answers
Please help with answer 3 :)
Answers
Answer:
1) Diffusion : Is the movement of molecules / ions from a region of higher to lower concentration. It may or may not occur across a semi permeable membrane.
In diffusion there is no challenge involved as it is along the concentration gradient, but in active transport movement of molecules occur against concentration gradient ie; from lower to higher concentration.
2) For active transport, energy is vital for movement, in this case protein molecules function as molecular pumps to enable the cell accumulate glucose/ions, against concentration gradient. Here metabolic energy ATP is required.
3)Facilitated diffusion is a type of passive transport in which ions/molecules cross the semi permeable membrane because permeases present in the membrane facilitate the transport.
Like simple diffusion facilitated diffusion doesn't require metabolic energy and simply occurs across the concentration gradient.
4) Osmosis : is movement of water from hypotonic solution (lower concentration) to hypertonic solution (higher concentration) through a semi permeable membrane.
The cell membrane being permeable to water allows to and fro movement of water molecules along the concentration gradient.
Which of the following best describes the following characteristics: water storage, clean energy, and flood prevention?
positive impact of a density-dependent limiting factor
O positive impact of a hurricane
O positive impact of beavers in an ecosystem
positive impacts of dams on society
Answers
Answer:
The correct answer is D. Positive impact of dams on society.
Explanation: They not only allow humans to regulate water, they also allow us to harness its renewable energy.
According to the question, Positive impact of dams on society.
They not only allow humans to regulate water, they also allow us to harness its renewable energy.
What is meant renewable energy?Renewable energy is energy from sources that are naturally replenishing but flow-limited renewable resources are virtually inexhaustible in duration but limited in the amount of energy that is available per unit of time.
Thus, option "D" is correct.
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What happens when frozen ice crystals accumulate by contact with other ice crystals?
A) rain
B) hail
C) fog
D) snow
Answers
Answer:
If i were to guess, Snow.
Explanation:
Answer:
D snow
Explanation:
Because I took the test and got it right
a. Plants use CO2 in the process of ___________________ to make___________ and oxygen. b. Animals use oxygen in the process of _______________ and make more CO2. c. The ____________________________ is the main regulator of CO2 in the atmosphere because CO2 dissolves easily in it. d. In the past, huge deposits of carbon were stored as dead plants and animals ______________________. e. Today these deposits are burned as fossil fuels, which include ____________________, _____________________, and ___________________________. f. More CO2 is released in the atmosphere today than in the past because of the _________________________ . g. Too much CO2 in the atmosphere may be responsible for the _________________________________ effect/global warming.
Answers
a. Plants use CO2 in the process of photosynthesis to make glucose (sugar) and oxygen.
b. Animals use oxygen in the process of cellular respiration and make more CO2.
c. The oceans are the main regulator of CO2 in the atmosphere because CO2 dissolves easily in them.
d. In the past, huge deposits of carbon were stored as dead plants and animals in the form of fossil fuels.
e. Today these deposits are burned as fossil fuels, which include coal, oil, and natural gas.
f. More CO2 is released into the atmosphere today than in the past because of human activities, such as burning fossil fuels and deforestation.
g. Too much CO2 in the atmosphere may be responsible for the greenhouse effect/global warming,
where increased concentrations of greenhouse gases trap heat and lead to rising temperatures on Earth.
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Use the table of information about a student's investigation to answer the question.
Object Mass (g) Drop Height (m) Speed (m/s)
5
A
B
50
50
5
20
30
Which question is the student trying to answer?
(1 point)
O Does changing the mass of an object affect its speed?
O Does changing the speed of an object affect its kinetic energy?
O Does changing the kinetic energy of an object affect its mass?
O Does changing the height from which an object is dropped affect its mass?
Answers
When there is simply gravity acting on an object while it is falling, mass has no bearing on how fast it travels. Speed is not directly impacted by mass. It establishes how quickly an object can increase its speed (accelerate) in response to a specific force. Lighter objects change their speed by a given quantity with a given force in a shorter amount of time.
Because mass and momentum are directly correlated, an object's momentum will increase as its mass decreases. Momentum will also grow as an object's velocity increases. Increases in velocity have exponential consequences since velocity is squared in the equation for kinetic energy. Doubling an object's mass doubles its kinetic energy, but doing so while doubling its velocity quadruples it.
What about mass?In physics, mass is a quantitative measurement of inertia, a basic characteristic of all matter. It essentially refers to a body of matter's resistance to changing its speed or location in response to the application of a force. The change that an applied force produces is smaller the more mass a body has. The dimensionless quantity mass is used to express the amount of matter contained in a particle or object (symbolized m).The kilogramme is the International System's (SI) preferred unit of mass (kg). It is the most fundamental characteristic of matter and one of the fundamental quantities in physics. Mass is a term used to describe how much matter is there in a body.The kilogramme is the SI unit of mass (kg). A body's bulk remains constant at all times. The amount of matter that makes up every object or body is the greatest way to understand mass. Everything that we can see has mass.Examples of objects with mass include a table, a chair, your bed, a football, a glass, and even air. Your mass follows you wherever you go in the cosmos, yet your weight changes depending on where you are.Learn more about mass here:
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the following substances all move across the plasma membrane of red blood cells by diffusion. which ones move by facilitated diffusion?
Answers
The substances that move by facilitated diffusion are 1) glucose , 2)chloride ions and 3)bicarbonate ions.
Gases (inclusive of O2 and CO2), hydrophobic molecules (inclusive of benzene), and small polar however uncharged molecules (inclusive of H2O and ethanol) are capable of diffuse throughout the plasma membrane. Some molecules, inclusive of carbon dioxide and oxygen, can diffuse throughout the plasma membrane directly, however others want assist to pass its hydrophobic core. In facilitated diffusion, molecules diffuse throughout the plasma membrane with help from membrane proteins, inclusive of channels and carriers. Facilitated diffusion is diffusion this is helped along (facilitated by) a membrane shipping channel. These channels are glycoproteins (proteins with carbohydrates attached) that permit molecules via the membrane.
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Complete question-
The following substances all move across the plasma membrane of red blood cells by diffusion. Which ones move by facilitated diffusion?
1) glucose
2)chloride ions
3)bicarbonate ions
4)oxygen
Question 45 (1 point)
(DOK 2) The role of the pancreas in the human body is to make insulin to prevent
individuals from developing diabetes. Sue goes to visit the doctor and the doctor
reports that her pancreas is indeed producing proteins necessary to create insulin
but the proteins are not being delivered to the correct location in the cell, to trigger
the release of the insulin. Which organelle is responsible{for this lack of homeostasis?
vacuole
golgi bodies
nucleus
Endoplasmic reticulum
Answers
The organelle here that is responsible for delivering the protein to correct location is Golgi bodies. The correct option is B.
What are Golgi bodies?The Golgi apparatus is an organelle located in almost all eukaryotic cells. It is also referred to as the Golgi complex, Golgi body, or the Golgi.
It is a mandatory part of the cytoplasmic endomembrane system which aids in packaging of proteins into membrane-bound vesicles as they are transported to their destination.
The packaging and transportation of materials would cease if the Golgi apparatus was not present.
Various substances, such as sugar monomers, would be unable to be converted into usable forms. The cell's secretory activities would also cease to exist.
In the given scenario, as Sue's pancreas is indeed producing proteins necessary to create insulin but the proteins are not being delivered to the correct location in the cell, to trigger the release of the insulin.
This shows that she is not able to transport the insulin due to some problems with the Golgi apparatus.
Thus, the correct option is B.
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