Which of the following provides the best summary of the process of natural
selection?

Answers

Answer 1
The best summary of the process of natural selection will be provided bythe option D that is genes are always passed from parent to offspring . Hence , out four inheritance is one of the option in the given question that is gene are passed from parent to offspring .

Related Questions

What are the waste products of alcoholic fermentation?
A. Ethanol and carbon dioxide
B. Lactate and oxygen
C. Glucose and water
D. Carbon dioxide and oxygen
(40 points!!!) (will mark brainliest if its right)

Answers

Answer:

ethanol and carbon dioxide :)

Explanation:

The correct option is A. Ethanol and carbon dioxide are the waste products of alcoholic fermentation.

What is alcoholic fermentation?

A biological process called alcoholic fermentation, often known as ethanol fermentation, turns sugar into alcohol and carbon dioxide. Alcoholic fermentation is an anaerobic process since yeasts carry out this function and oxygen is not required.

The fermentation process produces heat, carbon dioxide, water, and alcohol as byproducts. In this instance, our attention is on the latter.

A biological process called alcoholic fermentation, often known as ethanol fermentation, turns sugar into alcohol and carbon dioxide. Alcoholic fermentation is an anaerobic process since yeasts carry out this function and oxygen is not required.

Therefore, The correct option is A. Ethanol and carbon dioxide are the waste products of alcoholic fermentation.

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What is phytotomy?Explain ​

Answers

Answer:

ANATOMY OF PLANT IS CALLED PHYTOTOMY

Explanation:

Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. ... Plant anatomy is now frequently investigated at the cellular level, and often involves the sectioning of tissues and microscopy.

Answer:

the anatomy of plants.

Explanation:

phytology - the branch of biology that studies plants. botany.

Hydra is called a diploblastic animal .Why? ​

Answers

Hydra has two main body layers, which makes it "diploblastic". The layers are separated by mesoglea, a gel-like substance. ... The cells making up these two body layers are relatively simple.

Sequence the steps in the chain of infection in the correct order. identify influenza, new patient comes in contact with sick patient, influenza struck (sick) patient, sick patient sneezes, new patient is infected, new patient inhales through the nose

Answers

Answer:

influenza struck (sick) patient

new patient comes into contact with sick patient.

sick patient sneezes

new patient inhales through nose

new patient is infected

Explanation:

Answer: influenza struck (sick) patient

new patient comes into contact with sick patient.

sick patient sneezes

new patient inhales through nose

new patient is infected

Refer to Animation: Cell Signaling: Adrenaline Signaling in the Heart Muscle. Adrenaline stimulates an increase in heart rate by binding to: G proteins on the cytosolic face of the plasma membrane. adenylyl cyclase. regulatory regions in genes that code for muscle cell proteins. G protein-coupled receptors on the surface of heart muscle cells. nuclear transport proteins that allow adrenaline to be taken into the nucleus to act as a transcription factor.

Answers

Answer:

The correct answer is ''G-protein coupled receptors on the surface of cardiac muscle cells.''

Explanation:

Adrenaline is a catecholamine whose pharmacological effects occur at alpha and beta adrenergic receptors. The mechanism of action of all beta adrenergic receptors is the activation of a G protein that activates adenylyl cyclase and increases cyclic AMP production. Adrenaline by b-adrenergic stimulus increases the contractile force of the myocardium (positive inotropic action) and increases the frequency in which the myocardium contracts (positive chronotropic action), consequently there is an increase in cardiac work, with a greater demand for oxygen due to the myocardium to be able to contract. Therefore, the blood flow to the heart is indirectly increased, bringing with it a greater supply of oxygen.

When you have corona virus what is the main body system that is being affected? How does it affect other systems?

Answers

Symptoms often overlap and can affect any system in the body. Infected people have reported cyclical bouts of fatigue, headaches, months of complete exhaustion, mood swings, and other symptoms.

Page No Date Sex in bacteria is deteaimined by ?

Answers

Answer:

Pili

Explanation:

The sex of bacteria is determined by a structure called Pilli. Pilli is not present in all species of bacteria, but within species that have this structure, such as Escherichia coli, pilli is considered an appendage present in male bacteria.

Pilli presents itself as a long hair and can also be called F factor or fertility factor and has a reproductive function, as it allows the conjunction between two bacteria (one with pili and the other without), where the male bacteria transmit genetic resources to within the body of the female bacteria , which will combine these resources with its own resources and will give rise to another bacteria.

The main function of this process is to

Answers

Answer:

what process? is there more to the question

Explanation:

how does secondary succession differ from primary succession? it begins on bare rock or land, it begins where no plants have grown, lichens and mosses form soil first, soil nutrients are already in place

Answers

in georgia or in the crib

Answer:

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

EX: Polymerization and the breakdown of a polymer are two opposite reactions. What role does a water molecule play in both of them?

Answers

Answer:

A water molecule is released during polymerization, which helps in the formation of a bond, and it is added during the break down of a polymer, which helps in breaking the bond.

How can scientists use the fossil record to find evidence of relationships between different species?

Answers

Answer:

Species can be classified using the fossil record based on analogous or homologous structures.

Explanation:

By comparing the anatomy of both modern and extinct species, paleontologists can infer the lineage of those species, scientists use the fossil record.

What is Fossil?

A fossil is defined as the preserved remains, imprint or trace of a once living thing from a past geological age. Some examples of fossils are bones, shells, exoskeletons, stone marks of animals or microbes, objects preserved in amber, hair, petrified wood, and DNA residues. The totality of fossils is known as the fossil record.

Fossils form the morphological, or anatomical record, through comparing the anatomy of both modern and extinct species with the comparative anatomy of present-day organisms, paleontologists can infer the lineage of those species.

Thus, by comparing the anatomy of both modern and extinct species, paleontologists can infer the lineage of those species, scientists use the fossil record.

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Select the correct answer. If pinecones are placed in water, they close up. But they open up in warm and dry conditions. How do pinecones benefit from this characteristic? choices in pic ​

Answers

Answer:

B: it protects the seeds from unfavorable conditions

Explanation:

While the pinecone is developing its seeds, it is vulnerable to wet conditions, which can cause rot.

Which color of light has more energy?

1) Blue
2) Red

Answers

blue EXPLANIANTIONOverall, blue is heavier than red, red is heavier than green, and green is heavier than yellow. Brighter colors weigh less than darker ones. Increasing saturation makes colors appear to weigh less. Brighter backgrounds make dark colors look lighter (less heavy) and bright colors look heavie

AYUDA ES PARA HOY es de Ciencias Naturales ¿Por que a veces podemos ver la Luna de día , a veces , lo podemos ver de noche y a veces , no lo podemos ver?

Answers

Answer:

Porque contigo yo ya escogi?

Ahora mi corazon ta supri

Bien simple lang iyo ta pidi

Era cinti tu el cosa yo ya cinti.

Explanation:

.;(

How do mountains play a role in precipitation patterns?
a. As water vapor condenses,the air gets warmer b.it changes the amount of rain received c.it changes the direction of the wind d.as vapor condenses,it depends rain or snow on windward slopes

Answers

Answer:

a. As vapor condenses, it depends (specifically; leads to) rain or snow on the windward slope

Explanation:

The orographic effect which is the changes in masses of air as  it moves along the mountain sides, up or down is the way the mountains have an effect on the climate

The orographic effect of mountains can be analyzed based on either the windward side, (which is the side that faces the incoming wind), or the leeward side (which is the opposite side of the mountain)

The moist and warm air from the oceans and other large water bodies are carried by wind onto the mountains where the moist wind is directed upward by the obstructing mountain wall.

As the elevation of the warm moist wind increases along the mountain, the cooler temperatures at the high altitudes forces the air to cool down, until the dew point is reached, which leads to precipitation of rain or snow.

2) Cartilage is not found in
a. Nose
C. Bones
b. Adipose tissue
d. Phosphorus and potassium​

Answers

d

Phosphorus and potassium do not have any cartilage

10. The organ that stores swallowed food and liquid, mixes up digestive juices with
the food and liquid, and sends it to the small intestine.
A. Mouth
C. Stomach
B. Rectum
D. Intestines​

Answers

Answer:

stomach

Explanation:

stomach is the answer pal

Answer:

Stomach

Explanation:

Stomach is the organ that stores swallowed food and liquid, mixes up digestive juices withthe food and liquid, and sends it to the small intestine.

A Punnett square is a tool used to Group of answer choices
A predict the probability of genetic crosses
B determine the possibility of inheriting athletic abilities
C guess what genetic disorders might be inherited
D all of these

Answers

Answer: a

Explanation:

A punnet square is used to determine which genes are the strongest

An organism which depends on a host for its survival is a
A)virus
B)bacterium
C)human
D)fungus

Answers

The answer is A) virus

True or False?
Each species in an ecosystem occupies a role or niche for which it becomes specialized.

Answers

Answer:

true

Explanation:

it is true..that each species in an ecosystem occupies a role or niche


When we ingest food containing large molecules such as lipids, carbohydrates,
and proteins, these molecules must undergo catabolic reactions whereby enzymes
split these into smaller molecules. This series of reactions is
A. absorption.
C. chemical digestion.
B. secretion.
D. mechanical digestion.

Answers

The answer is (c) chemical digestion

Cell type gizmo answers

Answers

Answer:

cell

leg

arm

blood

sickle cell

Explanation:

A cell is the concentration of cytoplasm which are held together by a cell membrane in the body of a living organism.

They are recognised as the smallest units of the living body of an organism because all things in the body are made up of the cells.

As a result of this, there are different cell types which include:

Stem cellsBone cellsBlood cellsNerve cells, etc

Please note that your question is incomplete, and i gave you a general overview which should help  you get a better understanding.

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explain why in some families, all children are of the same sex​

Answers

Answer:

Because their families have the same chromosomes{x for mother & x,y for father}.

Answer:

the mother gives out automatically the x chromosome, and the father can either give an x or y chromosome. some men more often give out more of a certain chromosome. the chromosome the father gives determines the gender of baby. x is girl and y is boy

Name at least three neuromitters and state the roles of these neuronmitters in human body ? Except acetylcholine, (GABA)and domanine. Please help as soon .

Answers

Answer:

 

Explanation:

The chemical messengers present in the body are known as neurotransmitters. These are the chemicals that the nervous system uses to send and receive information between neurons and muscles. A neurotransmitter can have one of three effects on a neuron:

Excitatory effect, Inhibitory effect, and/or Modulatory effect.

The list of neurotransmitters and their roles are as follows:

Glutamate: This is present in amino acid compounds which are located in the synapses. It functions as an excitatory neurotransmitter, causing neurons to discharge instructions when stimulated in the central nervous system.

Adrenaline: It helps to respond to body's psychological stress and protection mechanism. They are positioned above the kidney and are created by the adrenal glands. They operate throughout the central nervous system and swiftly increase your heart rate and provide oxygen to your muscles.

Serotonin: Serotonin is a crucial brain neurotransmitter that also has a role in the small intestine. In your digestive tract, serotonin increases feelings of contentment after eating and controls your appetite. When you eat anything that doesn't agree with your stomach, serotonin assists your body in getting rid of it.

Which event happens first when you get a splinter?
A. The white blood cells produce antibodies.
B. The damaged tissue releases chemical messengers.
O C. The white blood cells eat pathogens near the wound.
D. The damaged tissue swells and becomes painful.

Answers

Answer:

I believe it is B. The damaged tissue releases chemical messengers

Explanation:

This is because the chemicals of the so-called complement system start drilling holes into bacterial cell walls. Macrophages, big eater cells, devour any invaders they meet. This is to prevent furthur infection!

animais que dependem parcialmente da água - necessitam de ambientes úmidos para evitar a dessecação da pele e para botar seus ovos, pois a casca não é resistente a perda de água. a descrição refere-se a qual grupo de vertebrados?
a) aves
b) mamíferos
c) répteis
d) anfíbios
e) peixes

pfv ajudem

Answers

Aves is yhe answer ok will you

vo contra pro psor que tu ta pegando resposta no brainly

what is a function of ATP?​

Answers

Answer:

Explanation:

Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level. ... In addition to providing energy, the breakdown of ATP through hydrolysis serves a broad range of cell functions, including signaling and DNA/RNA synthesis.

Why is price discrimination not positive under perfect market conditions ​

Answers

Answer:

[u9gbvolgj;t9ug7yh

Explanation:

ft7odt8ugde86rfgef

Price discrimination is impossible in a market with perfect competition, and the average total cost (ATC) curve is identical to the marginal cost curve (MC).

What is price discrimination?

Price discrimination is a sales strategy in which the seller charges different prices for the same item or service oriented on what the seller believes the customer will agree to.

In sheer price discrimination, the seller charges each customer the highest possible price.

Price discrimination occurs when various prices are charged to different customers.

This is not feasible in a perfectly competitive market because there are numerous firms competing for the price; however, it is possible in a monopoly because people have no other place to buy.

In a monopoly, price discrimination is the practice of charging different prices for a product.

Monopolies typically have greater control over providers than regular sellers, allowing them to significantly influence the selling prices of the suppliers.

Thus, due to this, price discrimination is not positive even under perfect market conditions .

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What consist of hydrogen and carbon

Answers

Answer:

Hydrocarbon

Explanation:

A hydrocarbon is any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H).

Can someone help please?

Explain how the adaptive changes in coat-color genes allowed mice to travel under the radar of hungry predators.

Answers

Answer:

This:

Explanation:

These adaptive changes help in ways best seen between desert mice and those who live in darker habitats. While desert mice often developed extremely light colored coats to blend best with the environment, mice who live in forest's or valleys often have darker coats to blend with foliage and trees. These coats that help camouflage with the environment protect mice in the open from being snatched by say a eagle or bird of prey. And mice who blend equally with foliage are protected more from ground predators like other small foxes or rodents

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