Which type of selection is also known as diversifying selection because it tends to favor the survival of two or more different phenotypes in a heterogeneous environment

Answers

Answer 1

Answer:

Disruptive selection.

Explanation:

Disruptive selection is also called diversifying selection because it favor the survival of two or more different types of phenotypes in a particular environment. Disruptive selection describes changes in population in which extreme values for a trait are favored whereas the intermediate values are less favored. Due to the increase the variance of the trait which leads to the division of population into two distinct groups.


Related Questions

urine is made of _________​

Answers

Answer:

Answer is A

Explanation:

Urea consists of carbon, nitrogen and oxygen. You can find it in urine, sweat, blood and milk in mammals. In its most concentrated form, it is urine. Urea is a crystalline compound, and the nitrogen content is always at least 46 percent when dry.

Which of these is not a common feature for all life?
a. DNA is the hereditary material.
b. Living things adapt to their environment.
c. Living things breathe air.
d. Living things carry out a series of chemical
reactions known as metabolism.

Answers

Answer:

A

Not sure :-[ ^_^

............

Drag the tiles to the correct boxes to complete the pairs.
Match each scenario to the climatic factor that caused it.

Answers

Explanation:

A forest - Type of ground cover  

Mountaineers  - Elevation  

Coastal Florida - Proximity to the water body  

Countries - Latitude

yeah what that person said

the growth of a fungal hyphae tip is?

Answers

Fungal hyphae extend continuously at their extreme tips, where enzymes are released into the environment and where new wall materials are synthesised. ... So, in effect, a fungal hypha is a continuously moving mass of protoplasm in a continuously extending tube.

Which type of seismic wave is recorded by a sesimoraged first during an earthquake ?

Answers

There are two broad classes of seismic waves: body waves and surface waves. Body waves travel within the body of Earth. They include P, or primary, waves and S, or secondary, waves. P waves cause the ground to compress and expand, that is, to move back and forth, in the direction of travel.

What is the main transformation that occurs during glycolysis?
Glycolysis produces ATP and pyruvate by oxidizing water.
Glycolysis produces ATP and pyruvate by oxidizing glucose and NAD+.
Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.
Glycolysis produces CO2, ATP, and pyruvate by reducing glucose.

Answers

Answer:

Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.

Explanation:

This is the main transformation that occurs during glycolysis. Hence, this statement is correct answer.

Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.

took the test!

hope it helps :)

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The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is:

Answers

Answer:

Elastin          

Explanation:

The elastin is defined as an extracellular matrix protein which lends to the elasticity and also resilience to the tissues such as the lungs, skin, arteries,  tendons, and the ligaments.

Elastin synthesized from precursor molecule named tropoelastin.

Elastin is the fibrous protein which gives the skin its flexibility and also helps the skin regain its shape.

During pulmonary ventilation, relaxation of the diaphragm and external intercostals ________ and air flows out of the lungs. increases the pressure in the thoracic cavity flattens the floor of the thoracic cavity increases the volume of the thoracic cavity expands the rib cage stimulates the phrenic nerve

Answers

Answer:

Increases the pressure in the thoracic cavity

Explanation:

During pulmonary ventilation, relaxation of the diaphragm and external intercostals increases the pressure in the thoracic cavity and air flows out of the lungs.

Pulmonary ventilation involves the exchange of air in the body. The exchange mainly takes place between the lungs and the the blood. When the lungs take in oxygen it distributes it to other parts of the body after which the byproduct is expelled in the form of Carbon dioxide.

The diaphragm and intercostal muscles are found close to the chest(thoracic) region such that when air is expelled it produces a similar effect such as relaxation of the diaphragm which also makes the chest muscles go down and exert pressure. This mechanism aids the expulsion of Carbon dioxide from the lungs.

Which structure is represented by the letter C?
Choose 1 answer:

A
Chloroplast

B
Mitochondria

C
Vacuole

D
Nucleus

Answers

Answer:

A. Chloroplast

Explanation:

[tex]{correctmeifiamwrong}}[/tex]

Answer:

A chloroplast

Explanation:

Tom is having difficulty dorsiflexing and inverting his right foot. Which muscle is most likely involved in this problem

Answers

Answer:

It should be the tibialis anterior

Explanation:

I hope this helps!

Why might a scientist conduct an experiment in the lab, and then repeat the experiment in the field?

Answers

Answer:

This is because field research experiments provide results that are more realistic or applicable to the general population..

I hope this helps


Why are groups of small cells better than one large cell at moving material in
and out?
A. They have a smaller volume.
B. They have more cell structures,
C. They have a greater surface-to-volume ratio.
O
D. They have a lower surface-to-volume ratio.

Answers

Answer:

C. They have a greater surface-to-volume ratio.

Explanation:

Because these smaller cells can access and pass through the membranes of the other cell membranes and permeable coverings easily and voluntarily unlike larger cells. It is also efficient for these smaller cells to penetrate and travel, delivering and transporting goods and materials such as nutrients, oxygen and waste throughout the body without consuming enough energy and conserving lesser space.

For simple reasons, they are faster, more efficient and consumes little space, and most especially depletes lesser energy. So, many small cells have more surface area than one large cell.

Which process is the one that starts all things off by generating glucose from sunlight? photosynthesis cellular respiration aerobic respiration​

Answers

Answer:

Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the "fuel" used by all living things.

what statement is true for both photosynthesis and cellular respiration?

A. it occurs in consumers?

B. it occurs in producers

C. it produces carbon dioxide

D. it produces oxygen​

Answers

D is the right answer

Commonly known as whooping cough, the medical term for this bacterial infection of the upper respiratory tract is

Answers

Answer:

its known as pertussis,caused by a bacteria called bordetella pertussis

10.
Which statement best explains why cellular respiration in plants and other organisms is dependent on photosynthesis?

Answers

Answer:

Cellular respiration depends on two chemical reactants; glucose and oxygen.  Glucose and oxygen are made available to plants and animals for cellular respiration thanks to photosynthesis.  Photosynthesis is the chemical reaction that uses solar energy to convert water and carbon dioxide into glucose and oxygen.  Without photosynthesis, the available glucose and oxygen on the planet would quickly deplete to the point that life could not be sustained on Earth. So the answer would be B :).

Explanation: Hope this helps and good luck :)!

Answer:

Since photosynthesis is the process whereby plant manufacture its own food using a sunlight, so respiration can happen because plant is alive

Eukaryotes have three nuclear RNA polymerases. The primary function of RNA polymerase II is transcription of _____.

Answers

Answer: the answer is  protein-coding genes

(if this is right mark brainliest :))

Eukaryotes have three nuclear RNA polymerases. The primary function of RNA polymerase II is transcription of protein coding genes

what are the function of RNA   polymerase  ?

there are Three different types of RNA polymerases (RNAPs), which transcribe eukaryotic genes, such as RRNA genes are transcribed by RNA polymerase I.

mRNA, miRNA, snRNA, and snoRNA genes are mainly transcribed by RNA polymerase II, while tRNA and 5S rRNA genes are transcribed by RNA polymerase III.

short RNAs as well as the protein coding genes  are both transcribed by RNA polymerase II.

A Separate type of RNA polymerases are present in chloroplasts and mitochondria, where they specifically transcribe the DNAs of those organelles.

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How many taxa or levels exist in the phylogentic?
a)7
b)4
c)6
d) 8​

Answers

D would be the correct answer I think

A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid ₹27 for a book kept for seven days, while Susy paid ₹21 for the book she kept for five days. Find the fixed charge and the charge for each extra day.​​

Answers

Answer:

See the attachment.

Hope u understand

In the given question, 5₹ is the fixed charge and 3₹ is the charge for each extra day.

A fixed charge is a fee or cost that remains constant and does not vary with changes in usage or consumption.

Let the fixed charge for the first three days be x and the charge for each extra day be y.

From the given information, we can set up two equations:

For Saritha: [tex]\rm 3x + 4y = 27 -----(equation 1)[/tex]  

For Susy: [tex]\rm 3x + 2y = 21 -----(equation 2)[/tex]

We can solve for x and y by using elimination or substitution:

Using elimination, we can multiply the second equation by 2 and subtract it from the first equation:

[tex]\rm 3x + 4y = 27[/tex]

[tex]\rm - (6x + 4y = 42)[/tex]

Solving above equations, we get:

[tex]\rm -3x = -15[/tex]

[tex]\rm x = 5[/tex]

Substituting x = 5 into one of the equations, we can solve for y:

[tex]\rm 3(5) + 4y = 27[/tex]

[tex]\rm 15 + 4y = 27[/tex]

[tex]\rm 4y = 12[/tex]

[tex]\rm y = 3[/tex]

Therefore, the fixed charge is ₹5 and the charge for each extra day is ₹3.

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One of your homework questions is reproduced below.
All six answers were correct. Can you
think of two more conceivable answers to the question below?
Many promoters are regulated by proteins that bind to adjacent DNA sequences. Which of the following is correct?
A. Some transcriptional regulators stimulate transcription and do so only when binding a low molecular weight ligand.
B. Some transcriptional regulators stimulate transcription and do so only when NOT binding a low molecular weight ligand.
C. Some transcriptional regulators inhibit transcription and do so only when binding a low molecular weight ligand.
D. Some transcriptional regulators inhibit transcription and do so only when NOT binding a low molecular weight ligand.
E. Some transcriptional regulators stimulate transcription and do so only when phosphorylated.
F. Some transcriptional regulators repress transcription and do so only when phosphorylated.

It’s not multiple choice, I need help coming up with two more answers that are true

Answers

Answer:

Phosphorylation activation:

1- p53 (transcriptional activator)

2- CDK8-cyclin C (transcriptional inhibitor)

Explanation:

Phosphorylation is a well-studied post-translational modification mediated by a protein called 'kinases' which phosphorylates specific protein substrates. This post-translational modification (phosphorylation) acts as a reversible switch capable of modulating protein function. Phosphorylation at specific amino acid residues (e.g., tyrosine, serine) controls protein function by triggering conformational changes in the phosphorylated protein. For example, P53 is a transcription activator activated by phosphorylation at multiple sites in its N-terminal region. P53 activates transcription of different genes by modulating protein-protein interactions with different substrates (e.g., MDM-2, CBP/p300, TFII). On the other hand, cyclins are proteins that have no enzymatic activity but are able to activate cyclin-dependent kinases (CDKs) by binding to them. CDK8-cyclin C (SRB10-SRB11) is a negative regulator of transcription that is able to inhibit transcription by phosphorylating the carboxy-terminal domain of the largest subunit of RNA polymerase II (Pol II) before the formation of the preinitiation transcriptional complex.

does the gut flora affect digestion?

Answers

Answer:

Yes.

Explanation:

Our bodies need different organs to regulate our bodily functions, and the gut is no different. The gut flora helps us digest and break down the food we eat, along with producing various enzymes that help to break down carbohydrates. Also, after the carbohydrates are broken down, they can pass through the gut wall into the blood (just a little fun fact). The gut also helps to benefit our immune system. One last bit of information is that an imbalance of bacteria and microbes in our bodies may lead to weight gain, high blood sugar, high cholesterol, and many other terrible issues. Please let me know if you still need help and I hope this made sense!

Propose what happens to sodium and potassium ions during hyperpolarization.

Answers

Answer:

En biología, la hiperpolarización es cualquier cambio en el potencial de membrana de la célula, que hace que esté más polarizada. Es decir, la hiperpolarización es un incremento en el valor absoluto del potencial de membrana de la célula.

During hyperpolarization, sodium ions are pumped out of the cell and potassium ions are pumped into the cell, leading to an overall increase in the negative charge within the cell.

What is hyperpolarization?

Hyperpolarization is a process that occurs in cells, particularly in neurons (nerve cells). It is characterized by an increase in the negative charge within the cell, which results from the movement of ions across the cell membrane. During hyperpolarization, sodium ions are pumped out of the cell and potassium ions are pumped into the cell. This results in a more negative charge inside the cell, which can inhibit the cell's ability to respond to stimuli.

Hyperpolarization is the opposite of depolarization, which is a process that leads to a decrease in the negative charge within a cell and an increase in the cell's excitability. Hyperpolarization can be triggered by various stimuli and plays a role in the normal functioning of the nervous system.

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WHAT AARE UNICELLULAR ORGANISM

Answers

Answer:

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism

Answer:

A unicellular organism, sometimes known as a single-celled organism, is a single-cell creature, as opposed to a multicellular organism, which has many cells. Prokaryotic organisms and eukaryotic organisms are the two types of unicellular creatures.

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have a great day!

There are little birds that spend a great deal of time on the back of a rhinoceros and eat the blood-sucking ticks out of the rhino's ears. The rhino greatly benefits from the relationship, since it cannot remove the ticks itself. The tick-rhino relationship is an example of ________.

Answers

Answer:sen

Explanation:when both parties mutually benifit from one another

I need help with any question, thanks.

Answers

I can help!let me know if you need any FREE tutoring I teach grades 6-12!!

Glycine is highly conserved amino acid residue in the evolution of proteins. why?

Answers

Answer:

Glycine is a highly conserved amino acid residue in the evolution of proteins. Why? Glycine has the smallest side chain of any amino acid. Its size often is critical in allowing polypeptide chains to make tight turns or to approach one another closely.

Explanation:

In _______, with the help of Rosalind Franklin, ____________ discovered the structure of DNA.

Answers

Answer:

maybe this will help you fill in the blanks.

I didnt really know what to put in the blanks so I searched some stuff up for you.

Explanation:

At King's College London, Rosalind Franklin obtained images of DNA using X-ray crystallography, an idea first broached by Maurice Wilkins. Franklin's images allowed James Watson and Francis Crick to create their famous two-strand, or double-helix, model. In 1962 Watson

the answers should be in this.

Answer:

In King's College London, with the help of Rosalind Franklin,  Maurice Wilkins discovered the structure of DNA.

Explanation:

The function of the medulla oblongata is?

A) Vision
B) Hearing
C) Balance/Coordination
D) Basic body functions, heart functions, vomiting, swallowing.

Answers

Answer:

d. It also includes , breathing, digestion, swallowing

arrange these structures in order of size, beginning with the smallest
stomach
mitochondrion
starch grain
tracheal cell
nucleus

Answers

Answer:

1.starch grain (smallest)

2.nucleus

3.mitochondria

4.tracheal cell

5.stomach (largest)

In the embryos of a typical dicot and a grass, true homologous structures are:Immersive Reader (1 Point) (a) Coleorhiza and coleoptile (b) Coleoptile and scutellum (c) Cotyledons and scutellum (d) Hypocotyl and radicle.

Answers

Answer:

(C) Cotyledons and scutellum

Explanation:

Among the given choice, then embryos of typically dicot and grass, true homologous structure which are called as cotyledons and also scuttellum

The scutellum is cotyledon of monocot seeds and the cotyledon found in the part of the monocot seeds and it obtain more portions of embryo in a fine manner

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