How is DNA used as evidence for evolution?

Answers

Answer 1

Answer:

Hope this helps!!!!!! I tried my best to answer!

Darwin proposed that evolution could be explained by the differential survival of organisms following their naturally occurring variation—a process he termed "natural selection." According to this view, the offspring of organisms differ from one another and from their parents in ways that are heritable, which happen because of the change in DNA!  

Explanation:

Answer 2

Answer:

All species have the same genetic code.


Related Questions

The 1918 influenza epidemic killed between 50 million and 100 million people worldwide. This epidemic happened near the end of World War I. More people died from the influenza epidemic than were killed in the war. Which of the following explains why this virus was so deadly worldwide? Your answer: A.All of the answer choices B.Infected soldiers returning from the war spread the virus when they coughed. C.Medical personnel often became ill as a result of exposure to airborne virus particles.

Answers

Answer:

C

Explanation:

medical personnel often became ill as a result of exposure to airborne virus particles.

A
The explanation to why the virus killed so many worldwide isn’t just limited to B or C. Many factors went into play.

1
Select the correct answer from each drop-down menu.
Small frogs living in a marshy region feed on small insects in the region. The relationship between the frogs and insects is a
relationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding on
these insects. The introduction of lizards may lead to
Reset
Next
*
r​

Answers

Options are not provided in the question. The complete question is as follows:

Select the correct answer from each drop-down menu.

Small frogs living in a marshy region feed on small insects in the region. The relationship between the frogs and insects is a _____ relationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding on these insects. The introduction of lizards may lead to ____________ .  

1. a) commensal-host

b) parasite-host

c) prey-predator  

2. a) competition between lizards and frogs for food

b) an increase in the number of frogs

c) no population change in any of the three species

Answer:

1. c) prey-predator  

2. a) competition between lizards and frogs for food

Explanation:

1. Frogs feeding on small insects in the region shows prey-predator   relationship. Predators are the dominating organism which kill weak organism for food and preys are the organisms which are killed. Here, frogs are the predators and small insects act as prey.

2. Introduction of lizards in the same region will increase the competition between lizards and frogs as their food is same that is small insects. Both frogs and lizards have same source of food (small insects), so lizard and frogs will fight for the same food.

Hence, the correct answers are 1. c) prey-predator  

2. a) competition between lizards and frogs for food .

Answer:

The relationship between the frogs and insects is a

prey-predator relationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding on these insects. The introduction of lizards may lead to competition between lizards and frogs for food

.

Explanation:

Need help with ASAP! My diploma depends on it.

Answers

I hope I’m not too late, but copy the definitions and paste them into the search bar and it should tell you what it goes to. Or use Socratic and paste it into there.

Explain what the term "Zero Waste" is all about. *

Answers

Answer:

zero waste means u are completely self sufficient up to th point where u have no carbon footprint

Explanation:

that is why its called zero waste

What is thought to be the main driving force behind plate movements?
A. Hot plumes
B. Simple convection cycles in the mantle
C. Slab-pull
D. Slab-push

Answers

Answer: b

Explanation: the convection currents in the mantle are what cause the movement of the plates

Answer:

slab pull

Explanation:

More than 50% of ecosystems are currently being used unsustainably
T or F

Answers

True I believe but I could be wrong if so I’m sorry
True :) hope this helps

Whats the Answer? to this

Thanks​

Answers

The answer to this question is A

I believe it is A (dont trust me)

2- What are the primary sources of ionizing radiation ? Give examples of each

Answers

Answer:

Ionizing radiation comes from these main sources:

Nuclear reactions in the Earth's sun and stars in space.

Radioactive decay in the body's tissues and in the soil.

Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.

Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.

Variation means which of the following?
a
Traits that are passed on will ultimately become common within the population
b
All species will produce more offspring than will survive to adulthood
c
There are variations between members of the same species
d
Traits that increase suitability to a species' environment are seen. Some traits are selected for, and some are selected against based on fitness.

Answers

Answer: C

Explanation: Generally, variation is the differences between organisms or individuals of the same species caused by either genetic differences or environmental influence. Option C is your closest answer

What is the purpose of a control sample that is known to be from a given
species in an eDNA surveillance for that species?
A. To identify samples containing the target DNA
B. To produce multiple banding patterns in a gel
C. To amplify the DNA in small samples
D. To identify every species found​

Answers

Answer:

B. To produce multiple banding patterns in a gel

Explanation:

Which diagram below best represents the surface features developed in a humid climate?

Answers

Sorry I don’t know the answer

In which squares should the phrase “Yellow pods” appear?

Answers

The given question is incomplete however the correct question and the flow chart is related to the question as follows:

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. yellow pods are the dominant trait. The flowchart is missing the labels that describe the traits.

In which squares should the phrase “yellow pods” appear?

1. A and D

2.B and E

3. A, C, and D

4. A, B, C, D, and E

Answer:

The correct answer is: 3. A, C, and D

Explanation:

According to Mendel’s laws of inheritance, when a plant with the dominant trait is crossed with a plant with a recessive trait, as a result, the dominant phenotype appears in all the F1 offspring. On Self cross F1 offspring, produces F2 offspring with dominant and recessive traits.

In the given scenario, pea plant with ‘yellow pods’ are dominant and pea plant with ‘green pods’ is recessive.

Therefore, when pea plant with yellow pods is crossed with the pea plant with the green pod, the F1 offspring (C) produced are with yellow pods.

Thus, parent (A) is with yellow pods and F2 offspring (D) is with yellow pods.        

What’s the color of the sky

Answers

Answer:

Sky Blue :)

Yw

Answer:

Blue

Explanation:

Alot of people are saying that the sky is every color in the world but I don't get that

Earthquakes happen around the world and can cause landslides, cracks in the ground, or damage to buildings and roads. Which of the following causes earthquakes? giant ocean waves called tsunamis underground movement of Earth’s plates energy released from a volcano problems in the air that make earth unbalanced

Answers

Answer:

of Earth’s plates energy released from a volcano problems in the air that make earth unbala

Answer:underground movement of earth's plates

Explanation:

Which statement about the light-independent reactions in photosynthesis is true?

Answers

Answer:

D) The Calvin Cycle

Explanation:

Calvin cycle refers to the set of chemical reactions taking place in the stroma of the chloroplast in which carbon is fixed into food (glucose). It takes place in light-independent reaction of the the photosynthesis.

Answer:

The answer to this question D.) They comprise the Calvin cycle.

Explanation:

Hope this helps :) !!!!!!!!!!!!!!!!!

Please push that thank you button and good luck :) !!!

FROM THE LUNGS, BLOOD COMES BACK TO THE HEART. DESCRIBE THE PATH THIS BLOOD FOLLOWS UNTIL IT ENTERS THE AORTA.

Answers

Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body.

Answer:

Tricuspid valve  is the path of blood through the heart and lungs

Explanation:

Blood is also responsible for transiting the blood and nutrients. The blood reached right atrium and from here it reached the right ventricles with the help of tricuspid valve. When the ventricles are full it closes to stop blood from going back to the atrium.

The inferior and the superior vena cava let the blood enter through them. The heart left the blood with the help of pulmonary valve to the pulmonary artery and the blood reached the lungs.  

PLEASE HELP- EASY 7TH GRADE WORK!!!

Why is overpopulation dangerous?

A= There will be no competition for resources.
B= There will not be enough air for all members of the species to breathe.
C= There will not be enough food for all members of the species to survive.
D= Overpopulation will result in drastic climate change.

Answers

The answer is D because overpopulation can ruin our environment and the earth.

Answer:

D= Overpopulation will result in drastic climate change.

Explanation:

overpopulation is bad because the increased demand for resources such as fresh water and food, starvation and malnutrition, consumption of natural resources faster than the rate of regeneration, and a deterioration in living conditions.

// have a great day //

An eagle is a predator for squirrels. A new law stops humans from hunting
eagles, and the eagle population increases. What will happen to the squirrel
population?

O A. The squirrel death rate will increase.
B. The carrying capacity of the ecosystem will increase.
C. The ecosystem will reach Hardy-Weinberg equilibrium.
D. The squirrel population will increase.

Answers

Answer:

A. the squirrel death rate will increase

Explanation:

If there are more eagles, then there is more eagles that need to eat making squirrels one of targets

the squirrels will die off due to the eagles

Why anaerobic respiration is rapid than aerobic respiration​

Answers

Answer:

The amount of pressure that is released.

Explanations:

Aerobic respiration is known as a major advantage, base of the amount of energy it releases. Aerobic respiration releases more energy than anaerobic respiration, causing it to become more rapid.

Answer:

Anaerobic respiration is a shorter process than aerobic respiration so a complete cycle of anaerobic respiration is shorter than one of aerobic respiration.

Explanation:

Aerobic respiration involves three stages: glycolysis (the breakdown of glucose into pyruvate), the Krebs cycle (the breakdown of pyruvate into carbon dioxide and hydrogen), and the electron transport chain (hydrogen produced in the Krebs cycle bonding to oxygen to form water).

On the other hand, anaerobic respiration has fewer stages. Anaerobic means 'without oxygen', and so the process takes place without needing any oxygen. In anaerobic respiration, glucose is broken down into pyruvate, just like in aerobic respiration, however due to the lack of oxygen, that pyruvate is broken down into either lactic acid (e.g. in humans), or ethanol (e.g. in yeast). This process is called fermentation, and it doesn't take as long as the Krebs cycle and the electron transport chain, so that's why anaerobic respiration is more rapid than aerobic respiration.

Which of the following best describes why polar bears are a sub-species of brown bears instead of a completely separate species? A. Because they both have thick fur and 4 legs, so they are very similar B. Because they both live on the same continent, so they can’t be two separate species C. Because they can still breed in the wild. Once they no longer mate with brown bears, they will be considered a separate species D. All of the above

Answers

Answer:

d

Explanation:

1. Did your buoy move as you expected? Explain why or why not.

Answers

Wait did the what move as expected
According to what I know a buoy is a floating object that has many uses or purposes.

Maybe you have a different meaning to help answer the question.

What types of substances are considered drugs?​

Answers

Answer:

stimulants (e.g. cocaine)

depressants (e.g. alcohol)

opium-related painkillers (e.g. heroin)

hallucinogens (e.g. LSD)

List the six fundamental elements found in living
organisms in the text area below.

Answers

Answer:

EDG2021

Explanation:

Check the elements you included in your list.

carbon (C)

hydrogen (H)

oxygen (O)

nitrogen (N)

phosphorus (P)

sulfur (S)

You might see water dont touch it

Fundamental elements found in living organisms are carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), and sulfur (S). Thus, these are the six common elements found in living organisms.

What are the roles of elements in our body?

There are six common elements found in our body. Carbon is the building block of carbohydrates, fats, proteins, and vitamins. It provides us with energy. Hydrogen allows toxins and waste products to be excreted and keeps the body hydrated.

Nitrogen is used in the synthesis of protein and some hormones, oxygen is used in the combustion of food, and phosphorus is used in the formation of teeth and bone. Sulfur protects cells from damage.

Thus, the following are the six common Fundamental elements found in living organisms.

Learn more about elements, here:

https://brainly.com/question/11250774

#SPJ2

"This leaf is 4 inches long."
What kind of observation is this?
A Quantitative
B. Qualitative
C Hypothetical
D. Inferential

Answers

The answer is A. Quantitative because Quantitative is observing amount, or quantity. Qualitative would be observing the quality, like color or shape. Hypothetical is making a hypothesis on the size, and finally inferential is would be saying you measured the leaf, I believe. A quick way to solve this would be to see if it involves numbers, and if so it’s a quantitative observation. If it involves color or shape or anything you observe with sight alone, it’s a qualitative observation. I hope this helps and sorry for the long answer, just trying to explain why A is correct.

What is a jet stream?

Answers

Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. The winds blow from west to east in jet streams but the flow often shifts to the north and south. Hope this helps!

Which resource is a renewable resource?
coal
gemstones
metal
trees

Answers

Answer:

Trees

Explanation:

I say this because you are able to replant trees, making them renewable.

Trees are classified into the category of renewable resources. Thus, the correct option is D.

What is a Renewable resource?

A renewable resource may be defined as an energy source that cannot be depleted and are able to supply a continuous source of clean energy.

Coal, gemstones, and metals are classified into the category of non-renewable resources because they can be depleted and do not available for longer times. They are utilized as time passes.

Therefore, the correct option for this question is D.

To learn more about Renewable resources, refer to the link:

https://brainly.com/question/1757778

#SPJ2

How did the elements begin to stratify?

Answers

I think the answer is diffusion velocity, sorry if I am wrong hope I at least helped a bit

HELPPP out will mark brainliest

Answers

The first one is brown
The second one is blonde

L 2.2.4 Quiz: Translation
Which amino acid chain will be formed by the codons shown below?
GUC CUU CCG
Messenger
Second base in codon
RNA Codons U
c
A
G
UUU UCU UAU UGU
UUC)
Phe
UCC UAC
}Tyr
UGC)
Cys
с
U
Ser
UUA
Leu
UCA
UAA Stop UGA Stop A
UUG UCG
UAG Stop UGG Trp G
CUU CCU CAU CGU
U
CUC CCC
His
CAC CGC
Leu Pro
CUA CCA CAA
Gin
CGA
CUG CCG CAG CGG
AUU ACU AAU
Asn
AGU
AUC
Ser
lle ACC AAC) AGC
A
Thr
AUA ACA AAA
AUGStart Me ACG
Lys
AGA
AAG) AGG
Arg
GUU GCU GAU GGU
GUC GCC
Asp
GAC, GGC
G
Val
с
Ala
GUA GCA GAA
Gly
Glu
GGA
GUG GCG GAG) GGG
Arg
First base in codon
POCO POCO POCO 20co
Third base in codon
O A. Leu His Ser
O B. Val Leu Pro
O C. Pro Val Pro
O D. Val Pro Pro

Answers

Answer:

uuu ucu uau ugu uuc) phe ucc uac }tyr ugc) cys

Answer:

The answer is Val Leu Pro

what are the steps of enzyme activity?

Answers

Four Steps of Enzyme Action
1. The enzyme and the substrate are in the same area. Some situations have more than one substrate molecule that the enzyme will change.

2. The enzyme grabs on to the substrate at a special area called the active site. The combination is called the enzyme/substrate complex. Enzymes are very, very specific and don't just grab on to any molecule. The active site is a specially shaped area of the enzyme that fits around the substrate. The active site is like the grasping claw of the robot on the assembly line. It can only pick up one or two parts.

3. A process called catalysis happens. Catalysis is when the substrate is changed. It could be broken down or combined with another molecule to make something new. It will break or build chemical bonds. When done, you will have the enzyme/products complex.

4. The enzyme releases the product. When the enzyme lets go, it returns to its original shape. It is then ready to work on another molecule of substrate.
Other Questions
Hevesh wants to make 2 lines of dominoes that are both 21 inches long. Each line has dominoes spaced 1 and 1/2 inches apart. How many dominoes will she need for both lines? The electron gun in an old CRT television accelerates electrons between two charged parallel plates (the cathode is negative; the anode is positive) 1.2 cm apart. The potential difference between them is 25 kV. Electrons enter through a small hole in the cathode, are accelerated, and then exit through a small hole in the anode. Assume the plates act as a capacitor.a. What is the electric field strength and direction between the plates? b. With what speed does an electron exit the electron gun if its entry speed is close to zero? [Note: ignore relativity] c. If the capacitance of the plates is 1 nF, how much charge is stored on each plate? How many extra electrons does the cathode have? d. If you wanted to push an electron from the anode to the cathode, how much work would you have to do? I need help with this one A spring is hung from the ceiling. A 0.573-kg block is then attached to the free end of the spring. When released from rest, the block drops 0.198 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant of the spring Write 0.245bar in the form p/q What is the square root of 25?Show your work What is the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)?y=-6y = 4 What is the name of this molecule? (will give BRAINLIEST)A straight chain of four carbons. There is a triple bond between the second and third carbons when counting from left to right or right to left. Help please! Will give brainly! How are these patterns similar? How are they different? How are the number of dots in each pattern changing? How would you find the number of dots in the 5th step in each pattern? explain the triangle angle sum property list 3 source of information you can use in your workplace to obtain information on customer profile and food preferences. Copy, translate, and write the plural form for following singular nouns.4.profesor 5.sofa 6.telefono 7.mujer 8.hombre 9.muchacho 10.tractor 11.raton 12.mapa 13.luz 14.pan 15.libro 16.arroz 17.sol 18.reloj 19.mar 20.florExample: len-lion-leones The early 1960s were unique in that it was truly a youth culture. Discuss some ways in whichthis is evident. What additional information is needed for each book entry to follow MLA guidelines? A and B are complementary. Find mA and mB.m A (15x + 3)* m B (5x - 13)* If you're reproducing a 4 cm x 4 cm picture on a 3 m x 3 m wall, what ratio should you use? Match the climate zone in column 1 to the characteristics in column 2A. ModerateB.tropicalC. DryD. Cold-heat and rain- heat and dryness - always near an ocean- ice year round Most of these phrases could appear in a document that uses standard written English. Which phrase is NOT standard written English?A)hadnt haveB)will have beenC)wouldnt ofD)couldnt have been How did Carter plan to achieve his goals regarding the hostages?Check all of the boxes that apply.Convince Iran that the real danger was the Soviet Union, not the United States.Team up with Iraq to invade Iran.Get help from other countries to express disapproval of Irans actions.Send many troops in to free the hostages at any cost. What role did crop rotation play in the Agricultural Revolution?a)It enabled farmers to plant many new types of crops.b)It allowed farmers to share crops with one another.c)It introduced new machines to plant and harvest crops.d)It helped restore nutrients to the soil so crops grew better.