When an organism's tiny building blocks undergo a process of splitting into two parts, that's cell division. Another name for cell division is "mitosis."
If you study biology, you'll learn about cell division, when a cell divides into two smaller "daughter cells." During cell division, all the tiny elements of the cell also divide — including the cell's chromosomes, nucleus, and mitochondria. The new cells are genetically identical to the original cell. In addition to mitosis, the simple division of one cell into two, there's also meiosis, when a cell splits into four new cells, each with half the original number of chromosomes.
Hope I helped: Lemon Lex,
There is an average of ______ inches of rainfall a year.
Answer:
39 Inches
Explanation:
This depends on what loctation you are talking about, but globally the world recives over 39 inches. Of course this is distubuted unevenly.
Our breathing can compensate for changes in acid or base in our body. If someone has too much acid (acidosis), their breathing would:
If someone has too much acid (acidosis), their breathing would become faster and deeper.
What is Acidosis?This is a situation when there's a lot of acid in the body fluid such as blood etc in organisms.
When this occurs, the breathing will become faster and deeper to increase the amount of carbon dioxide exhaled thereby raising the pH back to normal.
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BIOLOGY FOOD CHAINS
your help would be appreciated
Answer:
B
Explanation:
This is the only thing missing in the food chain
Cool dinosaurs to learn about? This is for a science report I need some ideas please and thank you.
Answer:
Uhm- they have long nails.. some of them can breath underwater... and and they smack people with their tails.. xd
Sorry.. I really don't know!
MilkySokka~
Plesiosaur- a Dinosaur that lives in the sea
Mosasaurus- ruled the food chain for millions of years
Cretaceous- a prehistoric alligator but very big
1) Over time, changes within species lead to the replacement of old species by new species as less successful species become A) extinct. B) eliminated. C) naturally selected. D) artificially selected.
Answer:
The answer is Extinct!!
Explanation:
A scientist is studying a shock wave from an earthquake. What kind of wave is being studying?
an electromagnetic wave
a gamma ray
a radio wave
a mechanical wave
Answer:
an electromagnetic wave
Explanation:
Answer:
a mechanical wave
Explanation:
the other person is wrong
I am multicellular, and my body is shaped
like a thread. I live in water and turn it bright
green when my population explodes. I
reproduce using motile sperm.
Answer:
Protist, Algae
Explanation:
That would be your answer
Which of the following statements provides the best explanation of what happens to chemicals that pollute aquifers? a. anaerobic bacteria quickly break down the chemical pollutants once the source of the pollution is removed. b. water that comes into the aquifer quickly dilutes the chemicals once the source of the pollution is removed. c. the chemicals quickly seep from the water into the surrounding bedrock once the source of the pollution is removed. d. chemical pollutants remain in the aquifer for a long time because the lack of oxygen prevents bacteria from breaking them down.
Answer:
D. Chemical pollutants remain in the aquifer for a long time because the lack of oxygen prevents bacteria from breaking them down.
Explanation:
I took the test.
The IA allele encodes for the production of ____________ antigen, the IB allele encodes for ____________ antigen production and the i allele encodes for ____________ antigen production.
The IA allele encodes the A blood group antigen, IB allele encodes B, whereas, i encodes O blood group antigen.
What is antigen?Any substance that causes the body to make an immune response against foreign substance. Antigens include toxins, chemicals, bacteria, viruses etc that come from outside the body.
So we can conclude that the IA allele encodes the A blood group antigen, IB allele encodes B, whereas, i encodes O blood group antigen.
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what group of carnivorous tropical ant species are known for traveling in long trains and not making permanent nests
Answer: it would be army ant's
Explanation: group of carnivorous tropical ant species are known for traveling in long trains and not making permanent nests
A fact regarding photosynthesis is that _________.
Answer:
water and carbon dioxide are converted to oxygen gas and sugar.
Explanation:
7. Analyze: In most situations, were the fittest insects or the least fit insects most likely to survive? Explain how the data from your experiment supports your answer
In most situations, the fittest insects most likely to survive as compared to least fit insects because of the healthy body of that organism.
What is fitness?Fitness can be defined as the ability to perform daily activities with endurance, and strength and resistance to disease, fatigue, and stress.
So we can conclude that the fittest insects most likely to survive as compared to least fit insects because of the healthy body of that organism.
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The lymphoid tissues located behind the nasal cavity are called.
Answer:
Adenoids!
Explanation:
The adenoids are a mass of soft tissue behind the nasal cavity. Like lymph nodes, adenoids are part of the immune system and are made of the same type of tissue (lymphoid tissue). White blood cells circulate through the adenoids and other lymphoid tissue, reacting to foreign invaders in the body.
The lymphoid tissues located behind the nasal cavity are called adenoids.
What are adenoids?The adenoids are part of the lymphatic system, which is responsible for helping the body fight off infections and diseases. The adenoids are a type of lymphoid tissue that helps to trap and destroy bacteria and viruses that enter the body through the nose and mouth.
They are most prominent in children, but tend to shrink and become less active as a person gets older. Sometimes throughout childhood, adenoids expand, and the larger size may create issues. This condition is termed as enlarged adenoids. An enlarged adenoid may cause snoring, mouth breathing, persistent congestion, nasal drainage, ear problems, sinusitis, and “nasal” voice quality.
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What does the theory of evolution tell us about living things?
The environment can make them rapidly change over a short period of time.
They create fossils when they die.
Their environment makes them slowly change over time.
They can give us clues about extinct species.
Answer:
Their environment makes them slowly change over time
Answer: C. Their environment slowly makes them change over time.
Can a person be exposed to hiv by hugging or shaking hands with an infected person? a. yes, because the virus can be transmitted through sweat b. no, because none of the bodily fluids that carry the virus are on the surface of the skin c. no, not if the skin is completely covered d. yes, so you can't ever be too safe please select the best answer from the choices provided. a b c d
Answer: b
Explanation: b best fits how the transmission of hiv works
12. Microwaves are one type of
Determine whether carbohydrate loading is beneficial or not beneficial for each of the activities listed.
Answer:
carbohydrate loading may enhance perpormance
Which of the following is an benefit of coal? *
ecosystem destroyed
cheap and abundant
clean burning
greenhouse gas emissions
Answer:
Advantages of Coal
Huge Global Reserves.
Not an Intermittent Energy Source.
Reliable Fuel.
Inexpensive Energy Source.
Independent of the Weather.
Plenty of Applications.
Compatible With Other Energy Sources.
Creates Jobs.
Explanation:
Predict what would happen if the muscles that control structures in the larynx became paralyzed
Answer:
When the nerves of these muscles become weak (paretic) or paralyzed, the muscles relax, and the cartilages tend to collapse inwards resulting in laryngeal paralysis.The intrinsic muscles of the larynx function to move the vocal cartilages and control tension. They are innervated by the vagus nerve
Which of the following is an effective time management tool that answers probing questions about goals and how to reach them?
Journal
Fishbone Diagram
Time Inventory Chart
Venn Diagram
Answer
Time Inventory Chart
Explanation
Time Inventory Chart manage the tools within a company's inventory, controls the available stock and limits the amount of wastes in a company with the goal of having the minimum amount of inventory on hand to meet demand.
In what way is a decomposing log in a forest a microhabitat?
Answer:
A microhabitat is a small or localized ecosystem within a larger ecosystem that is sustained and managed by a variety of small populations of plants and animals.
A rotting or decomposing wood is an example of a microhabitat because it provides food, shelter, and opportunities for various plants and species to interact and form an ecosystem. Interactions between biotic and abiotic variables are also present. As stated in the question, there are numerous other features present in this little ecosystem.
Explanation:
Magnification is x100. What is the actual size of one of these epithelial cells?
Answer:
The results show a range of epithelial cell diameters from 8-21 microns with 97% of the measurements lying in the 9-17 microns range. Pleomorphism is marked. The mean cell size was 12.7 microns. Large differences exist in mean cell size between individuals, but no correlation was found with age, diabetes or cataract.
Explanation:
The magnification is x100, and we assume that the cell is 1mm when observed under the microscope, then the actual size would be 1mm divided by 100, which is 0.01mm or 10 micrometers.
The actual size of the epithelial cell can be calculated using the magnification factor and the observed size under the microscope.
The actual size of the epithelial cell can be calculated using the magnification factor and the size of the cell as seen under the microscope.
In this case, if the magnification is x100, and we assume that the cell is 1mm when observed under the microscope, then the actual size would be 1mm divided by 100, which is 0.01mm or 10 micrometers.
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Part way through his party, Patrick found that there was 5 2 3 pizzas left. If his friends eat 3 4 of the pizzas, how much of the 5 2 3 will they eat? Write and solve an equation that will help you figure out how much of the remaining pizzas will be eaten. Explain the steps you took to solve the problem. ned the aser
Answer: 4 1/4
Step-by-step explanation:
Convert 5 2/3 to an improper fraction. 3 x 5 = 15 + 2=17
17/3 x 3/4 = 51/12= 4 1/4 of the remaining pizza will be eaten
Answer:
4 1/4
Explanation:
convert 5 2/3 to an improper fraction.
multiply the improper fractions = 17/3 x 3/4 = 51/12
reduce fraction 51/12 to 4 1/4
4 1/4 is the total
When using a dichotomous key to identify organisms, what do we look at?.
Answer:
Its based the organism's observable traits
The __________ adds fluid to sperm in order to nourish them and make the sperm more mobile.
Answer:
The answer is Seminal vessicle
Explanation:
It the part that adds fluids.
The seminal vesicle adds fluid to sperm in order to nourish them and make the sperm more mobile.
What is seminal vesicle?It is the accessory gland of male reproductive system.It is also known as the uterus masculine.In a male, there is only one pair of seminal vesicles.What is the secretion of seminal vesicle?The seminal vesicles secrete alkaline, slimy fluid with a pH of roughly 7.4. It is made up of enzymes, prostaglandin, ascorbic acid, and fructose.Fructose works by giving out energy.Their secretion make up roughly 70–75 percent of the semen. What are the accessory glands of the male reproductive system?Seminal vesicles, the prostate gland, and Cowper's glands are the three accessory glands.
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1. Cross a red-flowered snapdragon with a white flowered one. Then perform
another cross with the offspring of the first cross. List genotypic and
phenotypic ratios for each cross.
The genotypic ratio from the crossing of a red-flowered snapdragon with a white flowered and advancing it to F2 one would be 1 R1R1 : 2 R1R2 : 1 R2R2 and the phenotypic ratio would be 1 red : 2 pink : 1 white
Monohybrid crossingThe red flower snapdragon is homzygous for the R1 allele while the white flower one is homzygous for the R2 allele. The R1 allele has incomplete dominance over the R2 allele.
Crossing R1R1 individual with a R2R2 individual:
R1R1 x R2R2
R1R2 R1R2 R1R2 R1R2
All the F1 progenies are R1R2 (pink)
Crossing two F1 progenies:
R1R2 x R1R2
R1R1 R1R2 R1R2 R2R2
Genotypic ratio: 1 R1R1 : 2 R1R2 : 1 R2R2
Phenotypic ratio: 1 red : 2 pink : 1 white
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what type of joint allows movement like that in the hip joint and the shoulder joint?
Answer:
Ball and socket joint
Explanation:
Ball and socket joint – the rounded head of one bone sits within the cup of another, such as the hip joint or shoulder joint. Movement in all directions is allowed.
Which three types of pathogens cause disease by trying to get nutrients from
your body?
A. Fungus
B. Virus
C. Bacterium
D. Parasite
Answer:
I believe the answer is A,C,D
Explanation:
They all take nutrients and cause diseases.
Why does the author include the example of harvesting submerged trees?
To highlight new uses of technology
To point out how much timber is wasted
To emphasize the importance of sonar in forestry
To recommend the use of this technique in other aspects of the industry
According to ernest hilgard, hypnosis is the result of __________. a. accepted roleplay between hypnotist and subject b. suggestions accepted by the conscious mind c. entrance into a special state of consciousness d. the effects of a "hidden observer" in the unconscious please select the best answer from the choices provided a b c d
According to ernest hilgard, hypnosis is the result of the effects of a "hidden observer" in the unconscious.
What is hypnosis?
Hypnosis is a human condition involving focused attention, reduced peripheral awareness, and an enhanced capacity to respond to suggestion. There are competing theories explaining hypnosis and related phenomena.
Moreover, it is also referred to as hypnotherapy or hypnotic suggestion, is a trance-like state in which you have heightened focus and concentration. Hypnosis is usually done with the help of a therapist using verbal repetition and mental images.
Therefore, option (D) is correct.
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