Which is NOT an example of a vestigial
structure?
A. eyes of a blind salamander
B. pelvic bones in a whale
C. thorns on a rose bush
D. wings on a flightless bird

Answers

Answer 1
C. thorns on a rose bush

is your answer.

Related Questions

How does the CF gene affects the cell membrane?

Answers

Answer:

Normal Function. The CFTR gene provides instructions for making a protein called the cystic fibrosis transmembrane conductance regulator. This protein functions as a channel across the membrane of cells that produce mucus, sweat, saliva, tears, and digestive enzymes.

Explanation:

What are the components of a multicellular organism?

Answers

Answer:

Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. In humans, cells differentiate early in development to become nerve cells, skin cells, muscle cells, blood cells, and other types of cells.

Answer:

Because the first multicellular organisms were simple, soft organisms lacking bone, shell or other hard body parts.

Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons communicate with each other through the
. The
is released at the site to initiate action potential and carry the signal through the body.

Answers

Answer: there is no question to what your asking?

Explanation: there is nothing here that is being questioned

The sperm and the ovum are called haploid (as they have only 23 chromosomes) which is half the number of chromosomes seen in all the other human body cells. What is the significance behind the maintenance of this special chromosomal number in the male and female gametes?

Answers

Answer:

During the process of meiosis(The process of cell division through which the germ cells such as the reproductive cells are formed), the sex cells produced are haploids (have only 23 chromosomes). This is significant as during the process of fertilization, the nucleus of the sperm (containing 23 chromosomes) and the nucleus of an egg (containing 23 chromosomes too) fuse, hence, retaining the original number of chromosomes in the zygote formed. i.e 46 chromosomes.

For an organism to be considered to have the greatest level of fitness
A.it must be the strongest.
B.it must survive and reproduce.
C. it must be the smartest.
D it must live the longest.​

Answers

Answer:

b

Explanation:

it must survive to reproduce

Answer:

B

Explanation:

An organism that can survive in the environment and produce enough offspring.

How does the idea of atoms
explain the principle of conservation of
matter?

Answers

Answer:

Both the initial and final substances are composed of atoms because all matter is composed of atoms.

Sickle cell anemia is carried on the recessive allele. Normal is dominant. Mary is a carrier for sickle cell and Mike is normal (but not a carrier).
A. What are the chances of Mary and Mike having a sickle cell child?
B. What are the chances of them having a child who is a carrier?

Answers

Answer:

A. 0

B. 1/2 or 50%

Explanation:

Let us assume that the sickle cell anemia trait is represented by s and the alternate normal version by S.

Mary, a carrier would have the genotype Ss.

Mike, a perfectly normal person would have the genotype SS.

If both Mary and Mike marry:

                     Ss     x     SS

offspring: SS    SS    Ss    Ss

(A) In order to have sickle cell, the two alleles must be recessive. None of the offspring from the cross has two recessive alleles. Hence, the chances of Mary and Mike having a sickle cell child is zero.

(B) From the cross, two out of four of their potential offspring have the trait in heterozygous condition. Hence, the chances of Mike and Mary having a child who is a carrier is 1/2 or 50%.

If the amount of food for a population decreases, the population _____________ .

A) grows larger

B) gets smaller

C) remains the same

Answers

the answer is b) gets smaller
If u think about it the food is decreasing so that would mean less population but with no food / shortage this can cause people to die so it would be (B) cause how are they going to survive with shortage of food .So the answer is B . Srry if wrong but this explains a lot .

Why are leaves necessary for a plant?​

Answers

Answer:

PLEASE MARK AS BRAINLIEST!!

Explanation:

Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food. Through pores, or stomata, leaves “breathe” in carbon dioxide and “breathe” out oxygen.

Leaves are the primary way plants interact with the atmosphere and take care of their basic needs. a plant can only survive for a few days without leaves. If the plants doesn't have any leaves than the plants wouldn't exist in the earth because leaves prepare food for the plants through the process of photosynthesis. and provides air to help a plant grow. leaves help the plants breath, and also helps in releasing water vapor through pores called stomata.

i hope this helped, have a good day!! xx

Identify the Mitotic phases.

Answers

Answer:

1 prophase, 2 metaphase, 3 anaphase, and 4 telophase.

Explanation:

Answer:

1= prophase

2= metaphase

3= anaphase

4= telophase

Explanation:

(because yes) hope this helps!

How convenient fingerprinting be used to establish relationships between relatives

Answers

it can show us our history and may help us discover relatives we never new we had or lot contact with.

During winter's freezing temperatures, some plants can remove water from their cells to reduce the amount of water that will freeze inside them. Why would plants need to do this

Answers

Answer:

The expansion of excess water as it turns to ice inside the cells would break the cells apart

Explanation:

We know that water expands anomalously. It expands between 4- 0°C.

Hence water expands upon freezing. Ice has more volume than liquid water and takes up more space in plant cells.

The expansion of excess water as it turns to ice inside the cells would break the cells apart

5. What is an advantage of building a model of DNA? What are two limitations of the DNA model
you created? What properties of DNA cannot be demonstrated using this model?

Answers

Answer: The advantage of building a DNA model is that u can see the littlest details.

2 limitations are, it might take to long and there only a little bit of things u can do with a modle

Explanation: I don't have one

A.

The advantage of building a model of DNA is :

DNA's one of a kind structure empowers the atom to duplicate itself amid cell division.

B.

The two limitations of the DNA model that you created is :

DNA polymerase is restricted by the reality that it cannot include nucleotides in a 3' to 5' course.DNA polymerase cannot start amalgamation on its possess.

C.

The properties of DNA that cannot be demonstrated using this model is :

It is one of a kind structure empowers the atom to duplicate itself amid cell division.

"DNA"

Molecular models of DNA structures are representations of the atomic geometry and topology of deoxyribonucleic corrosive (DNA) particles utilizing one of a few implies, with the point of streamlining and displaying the basic, physical and chemical, properties of DNA atomic structures either in vivo or in vitro.

Deoxyribonucleic acid, is the genetic fabric in people and nearly all other living beings.

About each cell in a person's body has the same DNA.

Learn more about "DNA":

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Which of the following molecules supplies the main source of short term energy used in cellular respiration?


F enzymes
H Lipids
G carbohydrates
J proteins

Answers

Answer:

G- carbohydrates

Examine figure 1 below. Which houses the DNA.

Answers

the nucleus houses the DNA

Select all Density independent limiting factor

Answers

Where’s the paper I don’t see it? I’m confused

Which is true of the reaction below?
2H2 + 02 → 2H,0
A.H2 and O2 are products
B.H2O and O2 are products
C. O2 is a product
D. H2 is a reactant

Answers

Answer: D

Explanation: Everything to the left of the yield, or the arrow, is a reactant (it reacts). Everything on the right side is a product.

Answer:

The answer is D. H2 is a reactant.

Explanation:

I do A P E X.

Which example shows the levels of organization in a multicellular organism from the smallest level to the largest?
O tissue, cell, organ, organ system, organism
Ocell, tissue, organ, organ system, organism
O cell, organ, organism, organ system, tissue,
oorganism, organ system, organ, tissue, cell

Answers

It would be B because the smallest level is a cell and the biggest would be a organism

Hope this helps

Have a great day/night

The best example that shows the levels of organization in a multicellular organism from the smallest level to the largest is cell, tissue, organ, organ system, organism. Thus, option B is correct.

What is cell theory?

Cell theory is a scientific theory that's help to learn how living organisms are made up of cells, that's they are the basic structure unit of all organisms, and that all cells from pre-existing cells.

Prokaryotic cells are single-celled microorganisms known to be  earliest on earth.Eukaroyotic cell have a nucleus enclosed within the nuclear membrane and form large and complex organism.

Difference between unicellular and multicellular.

The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialised it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.

Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.

In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour at cellular, tissue, organs and organ system level. Unicellular organism has simple body organization and multicellular organism have complex body organism.

Therefore,the best example that shows the levels of organization in a multicellular organism from the smallest level to the largest is cell, tissue, organ, organ system, organism. Thus, option B is correct.

Learn more about cell here:

https://brainly.com/question/3142913

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The deficiency or absence of any environmental factors that can decrease the rate or speed of metabolic reaction is called

Answers

Answer:

is metabolic factor correct?

Answer:

Umm I don’t know but are there options or do you have to type a word?

Explanation:

Which organelle is found in plant cells only? A.7 B.1 C.3 D.6

Answers

It’s a 7 there’s a cell membrane, cytoplasm, nucleus, vacuole, chloroplasts, Mitochondria, and a cell wall. Good luck !

The proper function of the stomates on the leaf (and therefore, the function of water and CO2 movement) is influenced most by which element

Answers

Answer:

Sunlight.

Explanation:

Sunlight is responsible for proper functioning of stomata present on the leaves because the stomata only opens when there is sunlight and when the stomata opens, carbondioxide gas is absorbed by the leaves from the air while the water is taken from the roots which combines together to form glucose and oxygen. Glucose is stored in different parts of the plant while some oxygen is used by the plants in the process of respiration while the remaining oxygen is released in the atmosphere through stomata.

HEYY GUYYYSS Heelppp ILL MARK you BraINLiEST

Answers

Answer:

#1, #2, and #4 are all true. #3 is false

Explanation:

You are sitting in a room with a door on your lef
a wall of windows on your right, a desk in front
you, and a bookcase behind you. This statement
uses reference points to describe your
A speed
B
velocity
C position
D
motion

Answers

Answer:position

Explanation:

Answer:

c. position

Explanation:

Pretend your an 8th grader that didn’t look up answers.

PREDICT- What would be ONE result of a loss of groundwater? Justify your answer.

Answers

one result of a loss of ground water would be that the freshwater on earth is 98 percent stored in the ground, therefore we would lose 98 percent of the very little amounts of freshwater we have

9) The process of photosynthesis uses the carbon in
carbon dioxide molecules as building blocks for
which type of molecule? (Think (H1706)

Answers

Answer:

Explanation:

carbohydrate molecules -

Photosynthesis uses carbon dioxide and water to assemble carbohydrate molecules (usually glucose) and releases oxygen into the air.

what is sustainable development​

Answers

                                       Answer and Explanation

__________________________________________________________

According to UNESCO,

Sustainable development is the overarching paradigm of the United Nations. The concept of sustainable development was described by the 1987 Bruntland Commission Report as “development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”  

 __________________________________________________________

There are four dimensions to sustainable development – society, environment, culture, and economy – which are intertwined, not separate. Sustainability is a paradigm for thinking about the future in which environmental, societal, and economic considerations are balanced in the pursuit of improved quality of life. For example, a prosperous society relies on a healthy environment to provide food and resources, safe drinking water, and clean air for its citizens.  

 __________________________________________________________

One might ask, what is the difference between sustainable development and sustainability? Sustainability is often thought of as a long-term goal (i.e. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it (e.g. sustainable agriculture and forestry, sustainable production and consumption, good government, research and technology transfer, education and training, etc.).

__________________________________________________________

Hope this helps! <3

__________________________________________________________

Answer:

the development which meed the future need without compromising present generation need is called sustainable developments.

Explanation:

hopeit helps

3. The Seventh Amendment protects
C. the right to bear arms
A. people from cruel and unusual punishment
B. the right to a jury in a civil case
D. people's houses from being searched
without a warrant

Answers

The answer to that is Answer “B”
The answer is B hope this helps

What is Electron Transport Chain and what happens in that stage of cellular respiration?

Answers

The electron transport chain (ETC) is the final step of cellular respiration and takes place in the mitochondrion.

The final step in cellular respiration is the electron transport chain. This is sometimes abbreviated as ETC. ETC needs oxygen, which means aerobic process. It occurs at the edges of the inner lining of mitochondria. These handles are called cristae.

Determine the temperature of the bar on the fahrenheit scale.

Answers

Answer:  

Determining bar temperature on Fahrenheit scale -

The temperature of the bar is given as 50 degrees Celsius.

If we know the temperature on the Celsius scale, we can convert it to the Fahrenheit scale.

We know

C / 5 = (F-32) / 9; Where C is the temperature on the Celsius scale and F is the temperature on the Fahrenheit scale.

Now,

50/5 = (F-32) / 9

Or, (F-32) / 9 = 10

Or, F-32 = 90

Or, F = 90 + 32

Or, F = 112 degrees Fahrenheit.

That is, the temperature of the bar on the Fahrenheit scale is 112 degrees Fahrenheit

Explanation:

PLEASE ANSWER————-Apply: Where in the Gizmo (and in real life) do the following energy conversions occur?
26.
Chemical to thermal to electrical current:
27
Gravitational potential to kinetic to electrical
current:
28.
Electrical to sound, radiant and thermal energy
29.
Nuclear to thermal to electrical current

Answers

Answer:

I'm not sure but I think the answer is 28

Explination:

Electrical energy is a form of energy resulting from the flow of electric charge whereas Gizmos are in microwave and etc which includes electrical,sound,radiant,and thermal energy.

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