with reference to evolution of long neck in giraffe explain how natural selection brings about adaptation of species to its environment

Answers

Answer 1

Answer:

Explanation:

In order to reach specific items of food that meet the dietary needs of the giraffe, they must reach for food up in the trees. Giraffes with longer necks are open to a wider array of food whereas the short necked giraffes are limited. The longer neck is seen to be more favorable. When a trait is more favorable, it has a higher likelihood of being passed on. The less favorable traits are eliminated or "weed" out and the taller giraffes mate with other tall giraffes, generating a greater population with this trait. Again, it is solely dependent on what is available around them and their surroundings.

Hope this helps!


Related Questions

4. A protein shake company is testing their new protein shake on college football players.
They hypothesize that the shake will increase muscle mass by 25% in 60 days. What is
the independent variable?
a. Muscle mass
C. diet
b. Time
d. protein shake

Answers

I would say it is D. Protein shake

correct scientific notation of the number 2600000000

Answers

26 x 10^8 (because there’s 8 zeros)
26x10^8 is the right answer

How come I can’t mine diamonds with wooden pickaxe?

Answers

Answer:

You need an iron pickaxe

Explanation:

thats how the game was made

Answer:

Becuase thats how the game works.

Explanation:

You need an iron pickaxe and up

what are the safety precautions that you have learned from the infomercial?​

Answers

Answer:

i have no idea

Explanation:

search it it

Example of
Methods of Philosophizing​

Answers

Answer:

There are four different methods of philosophizing namely, logic, existentialism, analytic tradition, and phenomenology. Logic is the truth based on reasoning and critical thinking. It includes analysis and construction of arguments. It serves as path to freedom from half-truths and deception.

Explanation:

hope it help[s

Which structures can be found on a protist but not on a fungus?

Answers

Answer:

See the answer below

Explanation:

First, there is a need to know that protists are unicellular, animal-like living organisms while fungi are unicellular/multicellular, achlorophyllous, and heterotrophic decomposing organisms.

A typical protist may have a plant-like cell wall or just an animal-like cell membrane without a cell wall. This is unlike fungi whose structure includes a rigid, chitin-containing cell wall.

Most protists also have locomotive structures that enable them to be motile. For example, the amoeba has pseudopodia, the paramecium has cilia, while the euglena has flagella. Fungi generally are immotile, that is, they do not have any locomotive structure that enables them to move.

Some protists have two vacuoles - contractile and food vacuoles - which assist them in essential functions such as osmoregulation and nutrition. Unicellular fungi such as yeasts only have a single vacuole.

Some protists such as the euglena have chloroplast which enables them to photosynthesize in addition to other forms of nutrition. Fungi generally, however, are achlorophyllous. They lack chloroplast/chlorophyll in any form.

This is actually science for my brother (elementary school 4th grade)
ASAP!! ;)

A Identify the energy source that supplies the energy to turn the blades of the turbine.
B. Describe the flow of energy through the wind turbine to the power lines.
C Identify the phase (number in the diagram) that electrical energy is transferred into heat energ

Answers

Answer:I BELIEVE IS b

Explanation:

Windy things are for power and the power comes from wind

Which definition best describes an acid?

Answers

Answer:

A substance in a solution that releases and captures hydrogen ions, keeping the pH the same

Explanation:

A substance that may release a proton or hydrogen ion (H +) is referred to as an acid.

What is acid?

Hydrogen ions and chloride ions are created when hydrogen chloride, which is suspended in water, ionizes. A particle or ion that may produce a hydron (proton or hydrogen ion H+ is known as an acid.

Any hydrogen-containing material that has the ability to donate a proton (hydrogen ion) to another chemical is considered an acid. A base is a molecule or ion that can take up an acid's hydrogen ion.

Typically, sour tastes help to identify acidic chemicals. capable of forming a covalent connection with an electron pair on (a Lewis acid).  Proton donors, also known as Brnsted acids, make up the first level of acids.

Therefore, that may release a proton or hydrogen ion (H +) is referred to as an acid.

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me walking into school when i know im dress code

Answers

Answer:

;

Explanation:

Answer:

d r e s s c o d e

Explanation:

Based on the cell theory, which of the following is true

a
All living and nonliving things are made of cells.

b
All cells are too small to be seen with the naked eye.

c
Small organisms have smaller cells than large organisms.

d
Large organisms have more cells than small organisms.

Answers

Answer:

B

Explanation:

I know this because, I'm very smart. :[

main stages of the cell cycle

Answers

Answer: The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, S, and G2 make up interphase, which accounts for the span between cell divisions.

Please help I would appreciate it/)

Answers

Answer:

The very bottom one

Explanation:

Thymine and Adenine always pair together while cytosine and guanine go together.

The California current is an ocean current that moves cold water from the north along the west coast of the United States. The main effect of this current is to make the climate of the west coast .
A.
dryer
B.
warmer
C.
cooler
D.
wetter

Answers

Answer: D cooler

Explanation:

The California Current is a cold water Pacific Ocean current that moves southward along the western coast of North America, beginning off southern British Columbia and ending off southern Baja California Sur.

Answer:

cooler

Explanation:

Study island

How do cold ocean currents affect climate ?

Answers

Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.

There are ______ major phases in a cell cycle.
a) 1
b) 2
c) 3
d) 4

Answers

The answer is b) 2
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which of the following is a true statement about mechanical weathering

mechanical weathering changes the rock into a different material

mechanical weathering can break rocks into smaller sediments

mechanical weathering is only occur by volcanoes


earthquakes produce mechanical weathering only ​

Answers

Answer:

The answer is B

Explanation:

If our orbit around the sun slowed down how would that affect the way we observe constellations?


PLEASE ANSWER:)

Answers

As it takes the sun about 250 million years to orbit the galaxy, the proper motion of stars relative to the Sun will be the dominant effect of changes in the sky. The visible effects of the rotation will be far slower.

All stars move in the sky, some faster some slower, and in more or less random directions, not just moving around the galaxy.

If the orbit around the sun slowed down, there won't be much effect about

how we view the star and it will only take the Earth more time to complete its

orbit around the Sun.

The solar system involve the following:

SunMoonPlanets etc

This is because the Stars don't revolve around the galaxy. They move at

random speed and directions as in the sky according to its conditions we

have right now. There will be no effect on how we view the constellations.

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Which two characteristics describe reputable digital resources?

Answers

The two best characteristic best describes the reputable digital resource are, the precision and accuracy. Explanation: The more the accuracy the better the digital product.

TRUE OR FALSE: A coiled structure of DNA and protein that forms in the cell nucleus during cell division is called a chromosome

Answers

Answer:

TRUE!!!

Explanation:

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

hope this helps! :D

A chromosome is a coiled DNA and protein structure that develops in the cell nucleus during cell division.

Thus, chromosomes are important for transporting and passing genetic information from one generation to the next. They house an organism's genetic material. When cells divide, they become visible under a microscope and take the form of compressed formations. Every species has a certain number of chromosomes.

Chromosomes are essential for cell division because they make sure that genetic material is accurately distributed to daughter cells. For effective cell function and heredity, they must have a compact and well-organized structure made of DNA securely coiled around histone proteins.

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In order to dilute a solution,you need to____________________
A. Add more of the solid
B. Add more power
C. Find the mass
D. Find the volume​

Answers

Usually simply by mixing with more solvent like adding more water to the solution. To dilute a solution means to add more solvent without the addition of more solute.

In order to dilute a solution, you need to add more of the solvent. The correct option is A.

What is dilution?

Dilution means decreasing the concentration of the solution, this can be done by adding more solvent without adding more solute. The solute is the solid material and the solvent the liquid.

Thus, the correct option is A. Add more of the solid.

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How does fresh water differ from coal as a resource ?

Answers

Answer:

Water is a renewable resource but coal is a non renewable resource that is the main difference.

Answer:

Fresh water is an artificial resource, while coal is a natural resource. Coal is difficult to find while fresh water is found everywhere in abundance. Fresh water is a renewable resource while coal is nonrenewable.

Explanation:

Hope it helps

A chickenpox virus invaded a cell. Inside, the viral genes were expressed and the viral genetic information was transcribed and translated into viral capsid proteins.
What happens when a cell transcribes a viral gene? HINT: It's not C.

A. The host cell destroys the viral gene.
B. The host cell replicates the virus.
C. Host cell translates the viral gene.

Answers

it’s b i took the test myself
Oh yeah I don’t understand how I dare say that

What are the disadvantages of cloning? Explain your answer.

Answers

Answer:

disadvantages of cloning the process is not entirely safe and accurate

Explanation:

it is not yet fully developed

clone is not same in behaviour attributes

clone also has genetic defects

Which of the following statements is correct?
Your eyes look different than your liver, because the cells that make up these
organs have different genes.
o As cells and tissues differentiate, they lose the genes they do not need.
O All cells have the same genes, but different genes are active in different cells.
Cells do not have DNA.

Answers

Answer:

The statement that is correct is that all cells have the same genes, but different genes are active in different cells.

Explanation:

Differentiation or specialization is a function that cells possess and is what allows them to have different types of cells and tissues.

Cell differentiation depends on genetic regulation, a mechanism that determines the specific genes that are expressed in a cell or tissue type.

All cells contain the same DNA, which is organized into chromosomes and contain the genes that determine specific characteristics. There is cell differentiation because some genes can be expressed and others are suppressed, all due to genetic regulation.

The other choices are wrong because:

The eyes look different from the liver, because they have the same genes, but only some are expressed. Differentiated cells and tissues do not lose their genes. All cells have DNA.

this is what I need help with ​

Answers

Vacuoles are the organelle that store water in cells, so D would be your answer
This is going to be a vacuole

TIMMER HELP PLLEASE Which of the following is not a benefit to using scientific models? a. Scientific models help scientists gain a better understanding of concepts and events. b. Scientific models aid in communication about concepts and events. c. Scientific models are never subject to change. d. Scientific models can help answer scientific questions. Please select the best answer from the choices provided A B C D

Answers

Answer:

c. Scientific models are never subject to change

Explanation:

Scientific models can change when new discoveries are made

Answer:

C!

Explanation:

It is a hot, summer day, and a thunderstorm is possible. Which types of precipitation are most likely to occur?

Answers

Answer:

d rain and sleet

Explanation:

Answer: Rain and Sleet, I took the test :)

explain in your own words : Are mutations good or bad for a population

Answers

Answer:

Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.

An organism is struggling to get enough food for it to survive. How would this affect the cell cycle and cell division?

Answers

Explanation:

Since the organism doesn't have enough food, cells don't have enough food to properly mantain proper functions like division and growth.

Which of the following are considered parts of
metabolism?

Getting rid of wastes
-Growing and developing
-Breathing
-Having DNA
-Sensitivity to your surroundings
-Eating
-Keeping a constant internal temperature

Answers

Answer:

Growing and Developing

Explanation:

Metabolism is the sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.

Other Questions
help please just answer this question Please give me the hammer. Where is Article ?? Evaluate the expression when y = -2y2 +5y+7 Which line is the graph of y=x + 1?line aline bline cline d Simplify.10(-5-2w) + 2(w - 4) A. - 18w - 58B. - 18w - 42 C. - 68W - 8 D.-22w - 58 A single, fair 6-sided die is tossed. Find the odds in favor of rolling a 4 if the 6 in 14,563 was changed to a 9, how much would the value change What's the sum of b and 4? Dogs Make Life GreatLet's face it, they don't call dogs "man's best friend" for nothing. They are sweet, they love us, and they do work for us. There is simply nothing better than a dog. If humans have learned to survive against saber-toothed predators, stampeding herds, and enduring famine, dogs have been right there. As Robin to our Batman, as Scooby Doo to our Shaggy, dogs have been there through thick and thin in our darkest hours. After all we've been through together, how could anyone disagree that dogs are the best pet any human could have?First, we get massive health benefits from dogs. They calm us down when we are stressed. Countless service dogs are trained every year to go into nursing homes and other facilities to provide comfort to patients. These therapy dogs have been shown to lower blood pressure and calm distressed patients. Dogs also bring sweet, sweet bacteria into our homes. These bacteria help build our immune systems and make us healthier. Studies have shown that people with dogs get sick less often. In addition, growing up with a dog in your home may make you less prone to dog-related allergies as you grow up. Finally, because dogs need regular exercise, dog owners tend to be more fit than those who do not own dogs or own only cats.Second, dogs just make us happier. New studies have found a lower rate of depression in dog owners. In part because dogs force their owners to be more active, it is likely that dog-owners just cannot stay cooped up at home all the time. This activity level also makes it easier to meet people, stay socially engaged, and feel a sense of belonging. They are dependable friends as well, always ready with a sympathetic ear, a soft belly to rub, and a willing smile. If your day seems like a version of the zombie apocalypse, ten minutes of playing fetch will certainly keep those zombies at bay until you can get back in the game.Finally, it's all about cute. Sure other pets can be cute, but consider tail wagging. What other animal has such a universally understood expression of joy? How can you not give into that sweet face, holding a stick, waiting patiently to be taken out to play? And if you have any doubts, you must not have seen a dog rolling on its back, tongue lolling about, head swishing back and forth, scooting first one way and then the next as if competing in a silly worm dance.Many cat owners may argue with this position, but dogs really are the best companions. They bring joy, like a bluebird brings spring, or a rainbow brings a promise. They teach us about patience. They teach us about faith, waiting patientlyno matter how many times we leave without themfor that one time they get to load into the car and go with us. Always ready to go, always ready to wait longer, they make us hurry home at the end of the day for just a little unconditional love.Read this sentence from the essay:They teach us about faith, waiting patientlyno matter how many times we leave without them-for that one time they get to load into the car and go with us.What is the main idea of this sentence? (1 point)Dogs are often left behind by humans.Dogs are very impatient creatures.Dogs show us qualities that we need to learn.Dogs do not always get treated nicely by humans. Mary has 4 blue marbles, 3 pink marbles, and 2 green marbles in a bag. What is the P(blue, green) if Mary draws amarble from the bag and does not replace it? Which phrase best completes the diagram? State powers l ? l Federal powersOver see l ? l trade with otherelections. l ? l countriesA. Enforce lawsB. Create local governmentsC. Print moneyD. Control trade in a state The pirates plank has a perimeter of 18 feet and an area of 14 square feet.Which answer below most likely describe Pirates plank Which statement helps distinguish between a memoir and a documentary? 1. A documentary and a memoir both tell a story from the author's point of view 2.A documentary tells a story about a fake person or topic 3.A memoir is nonfiction, and a documentary is fiction 4.Amemoir requires the audience to use imagination to visualize Why did Wilson support the Federal Reserve Act? What Were The Stones Called That The Maya recorded their history on? what is the slope of y=1/2x-1 1. Which quadratic has a maximum?a. y=x2+2x+2b. y=-2x2 3x+5 Iy = 0.5(x 3)2 +1d. y = 2x + x2 - 11 A 12.0-kg box is being pushed from the bottom to the top of a frictionless ramp. When the box is pushed at a constant velocity, the non-conservative pushing force does 58.0 J of work. How much work is done by the pushing force when the box starts from rest at the bottom and reaches the top of the same ramp with a speed of 1.50 m/s What is a height gage? What is true about gaging? How often do frequently used instruments need calibration? What is a machinist rule? Solve the proportion.start fraction t over 16 end fraction equals start fraction 40 over 50 end fraction A. t = 26 B. t = 28 C. t = 1.28 D. t = 12.8