3. Forces of evolution include

a. DNA mutations
b. lack of migration
c. random mating
d. a large population size

Answers

Answer 1

Answer:

A. DNA Mutations

Explanation:

it evolves them in ways that even random mating cannot control

Answer 2

Answer:

A large population size:: summary population size is the number of individuals in a population. population density is the average number of individuals per unit of area or volume. the pattern of spacing of individuals in a population may be affected by the characteristics of a species or its environment.

3. Forces Of Evolution Includea. DNA Mutationsb. Lack Of Migrationc. Random Matingd. A Large Population
3. Forces Of Evolution Includea. DNA Mutationsb. Lack Of Migrationc. Random Matingd. A Large Population
3. Forces Of Evolution Includea. DNA Mutationsb. Lack Of Migrationc. Random Matingd. A Large Population
3. Forces Of Evolution Includea. DNA Mutationsb. Lack Of Migrationc. Random Matingd. A Large Population
3. Forces Of Evolution Includea. DNA Mutationsb. Lack Of Migrationc. Random Matingd. A Large Population

Related Questions

What is the process depicted in this figure and why is it important?

Answers

Answer:

The correct answer is - antigenic shift due to mutation.

Explanation:

In this image, there is a representation of the antigenic shift or change takes place to evolve to a new strain of influenza virus from the original virus that has a different antigen on the surface of the virus than the new strain. In this image it is shown that the surface H antigens went through a shift to form a new strain while N antigen remain the same.

This is important to adapt and evolve according the internal environment of the host show this type of mutation requires if moving from one host to another (human to pigs).

What is insulin and why do people with Type 1 diabetes need it to survive?

Answers

Answer:

Insulin is needed to move blood sugar (glucose) into cells. Inside the cells, glucose is stored and later used for energy. With type 1 diabetes, beta cells produce little or no insulin.

Elisa feel tired because she has a condition

Answers

Answer:

I'm sorry to hear that.

Answer: Its because she has diabetes.

Explanation: Her cells are not getting enough glucose.

Stand and let your hands hang next to your sides for a few minutes. Then, look at the backs of your hands. Do you see any bumps on the surface on top of your veins? What might those be, and what are their function?​

Answers

When you stand and let your hands hang next to your sides for a few minutes, the bumps you see on your veins are the valves that help move blood to the larger veins.

What we know about vein valves.

There are valves located throughout the veins in our bodies. Most of these are located in points where smaller venules fuse with the larger veins.

Their function is to prevent blood from flowing back into the smaller veins, thus helping with the normal blood flow of the body.

Given that the veins in our bodies are littered with small valves to help the blood return to the heart correctly, we can confirm that these are the small bumps that we can see when letting our hands down for a few mins, as they fill with the blood they try not to let flow back into the smaller veins.

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The most basic definition of cellular respiration is that it is cells breaking down food to make energy. True or false?

Answers

Answer:

True

Explanation:

In cells, energy is obtained from food through the process of cellular respiration. In mitochondria, this occurs through aerobic respiration- here, cells breakdown sugars like glucose into carbon dioxide and water and energy in the form of ATP or adenosine triphosphate.

In cellular aerobic respiration:

C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP

Can someone pls help me with this (8th grade science)

Answers

Answer:

A

Explanation:

As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.

Match the columns and chose the correct option. Column A Column B 1.The male reproductive part of a flower i) sepal 2. The female reproductive part of a flower ii) stamen 3. The part of the flower which protects it in bud stage iii) ovules 4. Part of a flower which develops into a seed iv) carpel

Answers

Explanation:

1.Stamen

2.carpel

3.sepal

4.ovules

Plz help I don’t know the answer to this!!

Answers

Yea she is right its 28%

Which statement correctly describes the reason for the high specific heat of water?

A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.
B.) The oxygen and hydrogen atoms in water molecules are bonded together with strong covalent bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.
C.) Water is made of ions. The attraction between ions requires extra energy to break. Therefore, water has a high specific heat.
D.) The oxygen and hydrogen atoms in water molecules are bonded together with strong ionic bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.

Answers

The answer is A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.

Does anyone have an answer for this???

Answers

Answer:

because the truck is moving

Explanation:

the force of the engine is bigger than the fractional force so the truck keep moving and do not stop.

Answer with Explanation:

The forces are unbalanced because the engine force (bigger force) and the friction force (smaller force) are not equal. Their difference in force is 40 N. This makes the truck move forward or in the direction of the bigger force. Its movement is being slowed down by the friction force.

Both of the forces are acting in opposite directions, but they are not equal in magnitude. Such occurrence can make an object either slow down or speed up. It could also change its direction. This is in accordance to "Newton's First Law of Motion."

Fragmentation occurs when a large area of ecosystem is divided into smaller, isolated areas due to deforestation. After fragmentation, changes to the ecosystem can occur. Which is most likely an effect of fragmentation on an ecosystem?

a. Animal species in the fragmented area utilize new food sources in the deforested area.

b. Plant species from the deforested area alter conditions at the edge of the fragmented area.

c. The nutrient cycle is replenished by new species colonizing the deforested area.

d. Most native species disappear from both deforested and fragmented areas. ​

Answers

Answer:B

Explanation:

what do you think about the human and his structure how it's made all the human structure​

Answers

Answer:

its a thousand of generation evolution i think as of darwins law of evolution

Answer:

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Which element is not found on most main sequence stars?

Answers

Answer:

Nitrogen is the right answer.

Today, the common type of banana we eat is a Cavendish banana. They arose from chance mutants that were produced sexually from wild banana plants. The Cavendish banana is infertile and can only be produced by cloning root shoots. Large commercial growers worldwide now plant only the mutant type. Some information about both types of banana is recorded in the table.
Growers on large banana plantations that supply food commercially have chosen to limit their plantings exclusively to Cavendish banana plants. Why are scientists warning that exclusively growing this mutant type by asexual reproduction presents a serious disadvantage

1.The loss of an adequate Cavendish banana seed supply could result in extinction of both varieties of plants.


2. The changes in characteristics from a parent plant to a clone will produce inconsistent plants that are less healthy.


3.The lack of genetic variability among clones puts the whole species at increased risk of extinction through a catastrophic disease or pest.


4.The increasing number of homologous sets of chromosomes crossing over with each successive generation of clones will eventually result in widespread death of banana plants.

Answers

Answer:

The lack of genetic variability among clones puts the whole species at increased risk of extinction through a catastrophic disease or pest.

Explanation:

Every living organism, be it a plant or an animal, has its own way of reproduction and its own mechanisms of how to cope with dangers. In recent times though, we see that there are more and more organisms, mostly plants, that are not fertile, thus they can not reproduce on their own but need human assistance. This is the case with one of the most popular fruits in the world, the banana.

Virtually, all bananas that are produced commercially are not fertile, but they can only be reproduced by cloning them. While this may not seem like something that terrible, it actually is. Every single plant that is used for commercial production is exactly the same, thus the genetic variation is lacking totally. By having zero genetic variation, if only one plant gets diseased by a disease that spreads out easily and is fatal, it will affect every single banana plant, and by having no genetic variation, the effect will be the exact same at all of them. This kind of scenario can very easily lead to the rapid extinction of these bananas and the loss of one of the most consumed fruits in the world.

Where are coral reefs located?
A. estuaries
B. neritic zone
c. intertidal zone
D. oceanic zone

Answers

Answer:

c

Explanation:

intertidal zone

The physical and chemical properties of elements change in predictable ways from one end of a period to another. Which of the following is true based on this feature of periodic table (p 312)?
Group of answer choices:
A : Potassium has more protons than Calcium
B : An atom of gold is smaller (atomic size) than an atom of platinum
C:The noble gases react with everything
D: Elements in Group 8 are more reactive than elements in Group 7
PLEASE AANYONE THIS IS MY LAST QUESTION ILL MARK BRAINLEST PLEASE!

Answers

Answer:

Are those your breast?

Explanation:

why this site

What is meant by the word "concentration"'?

Answers

con·cen·tra·tion
/ˌkänsənˈtrāSH(ə)n/
Learn to pronounce
noun
1.
the action or power of focusing one's attention or mental effort.
"frowning in concentration"

4.
______ describes the average conditions of our atmosphere over a long period
of time.

Answers

Answer:

The answer is Climate.

Answer: climate


Explanation: weather is what conditions of the atmosphere are over a short period of time, and CLIMATE is how the atmosphere “behaves” over relatively long periods of time.

how do skin cells replace itself after an injury?

a) skin cells go through the process of budding to make new identical cells.
b) skin cells go through the procces of mitosis to make new identical cells.
c) skin cells go through the process og photosynthesis to make new identical cells.
d) skin cells go through the process of cellular respiration to make new identical cells.

Answers

Answer:

d

Explanation:

as a result of accumulation of waste products in the body , these substances are removed from the body via the skin hence they undergo cellular respiration

Answer:

b) skin cells go through the process of mitosis to make new identical cells.

Explanation:

The skin is the largest organ in the human body; it forms a protective barrier that keeps out external pathogens, and is integral to waste removal. When the organ is injured, damaged cells initiate an immune response, while healthy cells nearby begin to replicate.

This type of cell replication involves somatic cells and results in the diploid number of chromosomes called mitosis. Skin cells are somatic- they contain all 24 pairs of human chromosomes. During replication, the chromosomes are unwound, and copied- then, the newly copied chromosomes separate into two identical daughter cells with the same chromosome number.

Giving Brainliest:)
How does this equation represent the law of conservation of energy—that energy cannot be created or destroyed? Consider the role of photosynthesis in your answer.

Answers

Answer:

Energy from the sun goes into making the sugar molecule. This energy is released to make ATP and heat.

Explanation:

6Co2+6H20->C6H12O6(glucose)+6O2(oxygen)

The sugar molecule is created by solar energy. This energy is discharged to produce heat and ATP.

What is the law of conservation of energy?

According to the rule of conservation of energy, energy can only be transformed from one form of energy to another and cannot be generated or destroyed.

This indicates that unless energy is introduced from the outside, a system always has the same quantity of energy. In the situation of non-conservative forces, when energy is changed from mechanical energy to thermal energy yet the overall energy does not change, this is especially perplexing. Energy must be changed from one form to another in order to be used.

In photosynthesis,

6CO + 6H₂O → C₆H₁₂O₆ + 6O₂

Sunlight is used for the light energy required to produce the sugar molecule.

Therefore, the law of conservation of energy is applicable in photosynthesis as energy from the sun is utilized by all living organisms.

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These types of trees have their leaves modified into needles to help
reduce water loss?

Answers

Answer:

Coniferous trees

Explanation:

They are mainly found in cold regions

1. Explain the change in erythrocyte count in the case of anemia

2. Where are red blood cells produced?

3. What type of cells help blood to clot?

4. What makes the human circulatory system efficiently carry oxygen to the tissues?

5. Describe the role of blood plasma.

6. Explain the role of lymph in our body

Answers

1. Erythrocytes is red blood cells, and anemia means a lack of red blood cells in the blood. So erythrocyte count in a patient diagnosed with anemia such as pernicious anemia is going to be significantly lower than normal.

2. RBC’s (red blood cells) are produced in the bone marrow
3. Platelets help with clotting as well as clotting proteins produced in the liver
4. The human circulatory system is designed specifically to transport oxygen as well as nutrients to all parts of the body through blood vessels. Humans in the womb have blood vessels and a beating heart developed by the 1-2 months in the womb, and the heart immediately begins work. The human circulatory system is efficient because we were created with a system to be as efficient as possible. The circulatory system is basically a highway made of tunnels that allows RBC’s and WBC’s to pass through to every part of the body including major organs. Unfortunately unhealthy eating habits and poor exercise cause this circulatory system to become less and less effective till the point of heart attack, stroke, or major cardiovascular disease.
5. Blood plasma is very important in the transfer of nutrients as well as hormones to the major organs of the body.
6. Lymph is a clear watery substance that carries proteins and other substances throughout the body in order to maintain fluid balance. Lymph is part of the lymphatic system which is a tiny constituent of the immune system.

5. Describe the different causes of climate change.

Answers

Answer:

natural factors, changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide.

Explanation:

What is the source of oxygen as a reactant in cellular respiration?

Answers

Answer:

The Reactants

What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.

Explanation:

Hope this helped, Thanks :)

Cellular respiration has been the chemical process that uses glucose to produce energy. Oxygen is the reactant of the process that comes from the air (breathing) produced by photosynthesis.

What is cellular respiration?

Cellular respiration has been defined as the process vital for living organisms that use oxygen and sugar molecules to produce energy to drive the activities and functions of the body. The reactant of the process includes glucose and oxygen gas.

Oxygen and sugar are known to be the product of the photosynthetic reaction that uses carbon dioxide and water. The oxygen gas is present in the atmosphere and enters the body through breathing.

Therefore, oxygen acts as a reactant in cellular respiration that comes from the breathing process.

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what adaptations facilitated movement of tetrapods to land - be sure to describe challenges that these adaptations helped them overcome.

Answers

Answer:

The second neck vertebra evolved to allow rotation of the neck for moving the head left and right. As tetrapod species continued to evolve on land, adaptations included seven or more vertebrae, allowing increasing neck mobility.

Explanation:

1. Explain how forces of attraction and repulsion exist within an atom.

Answers

Answer:

Oppositely charged particles attract each other, while like particles repel one another. Electrons are kept in the orbit around the nucleus by the electromagnetic force, because the nucleus in the center of the atom is positively charged and attracts the negatively charged electrons.

Explanation:

Answer:

1. Electrons surrounding a nucleus are attracted to the protons within it because electrons and protons have opposite charges. Electrons closest to the nucleus are attracted with such a force that they can’t escape from the atom. These electrons tend to shield the protons from electrons that are farther away because electrons have the same charge and repel each other. Electrons that are farther away have less attraction to the protons within the nucleus and are more likely to be detached from the atom.

2. Electrons can be transferred from atoms of one body to atoms of another body through friction. This can occur when one body is rubbed against another or when a liquid flows across a solid. In either case, one body may be given a positive charge while the other body is given a negative charge of the same magnitude. Both charges are developed at the same time. Electrons can also be transferred from one body to another when a charged body comes into contact with an uncharged body. The electrons move in the direction that will equalize the charges; thus, the uncharged body will be given the same charge as the charged body.

3. Free electrons move from points of negative charge to points of positive charge. When these electrons move freely from one point to another with little resistance, the material they’re traveling through is said to be a conductor. Conductors have a large number of free electrons. Insulators, on the other hand, have very few free electrons and offer great resistance to the movement of these electrons. Electric charges produced on one end of a body composed of insulating materials will most likely not spread throughout the body. In a conductor, this charge would spread throughout the entire body. Metals are generally conductors; oils, rubber, air, porcelain, and plastics are good insulators.

4.

Lightning is produced by the rapid transfer of free electrons when one of the following conditions exist: One part of a cloud is positively charged and a neighboring part of the same cloud is negatively charged. A positively charged cloud comes near a negatively charged cloud. A cloud with either a positive charge or a negative charge comes near the earth.

Explanation:

Pennfoster answer

A single population is made of

A) multiple organisms of the same species.
B) multiple organisms of different species.
C) multiple communities.
D) multiple biomes.

Answers

Answer:

A) multiple organisms of the same species.

Explanation:

Answer:

A (multiple organisms of the same species.)

Explanation: hope this helps sorry if i'm wrong

does photosynthesis occur in mushroom give a reason to support your answer​

Answers

Answer:

No

Explanation:

Although mushrooms and fungi have a cell wall like plant cells, fungi are unable to make their own food and must feed on decaying matter to gain the energy needed for survival.

Hope this helps :)

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(TRUE OR FALSE)
As discoveries were made that couldn't be explained by spontaneous generations, scientist came up with an updated version of the spontaneous generation model?
PLZ HELP WILL BRAINLIEST
IF U DONT KNOW THE ANSWER DONT U DARE

Answers

Answer: I'm pretty sure this is true

Explanation:

what is the fundamental unit of matter?

Answers

the atom is the fundamental unit of matter.

(hope this helps ^^)

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