the brain of many species of invertebrates, such as the earthworm, is arranged in a ringed configuration. why do you think this
Answers
The brain of many species of invertebrates, such as the earthworm, is arranged in a ringed configuration to give each segment more control over their actions.
This type of brain organization is known as a segmented brain. The segmented brain can control the different segments of the body, which is useful for movement in the body's movement.Earthworms, for example, have a segmented brain that runs throughout the body, and each segment's ganglia have a degree of autonomy. If one section is damaged or destroyed, the other parts of the brain can take over the lost function.In conclusion, the earthworm's brain is arranged in a ringed configuration to provide each segment with more control over its actions. It is useful for the worm's movements. The type of brain organization that the earthworm has is called a segmented brain.
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Related Questions
what are the many forms of energy? how is energy either potential of kinetic
Answers
Answer:
The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy and gravitational energy.
You need energy to do any work, which is why the ability to do any work is energy. Read that again. Potential and kinetic energy are two forms of energy that can be converted into each other. Potential energy can be converted to kinetic energy and vice versa.
Explanation:
A piece of granite is determined to contain 50 grams of U-238. After on half-life, how much material
is left? After 2 half-lives? After 2 half-lives? After 3 half-lives? After 4 half-lives?
I
Answers
Answer: Hydrogen-3 or tritium as it is commonly called, has a half life of 12.32 years. If you start with 20 grams of it, how much will remain after 25 years? Ending Amount = Beginning Amount / 2 (time / half-life) Ending Amount = 20 / 2 (25 / 12.32) Ending Amount = 20 / 2 (2.0292) Ending Amount = 20 / 4.0818. Ending Amount = 4.8997 grams
Explanation:
Answer:
Explanation:the ont
would like help . . . . . .. .
Answers
Answer:
D.Children of congressional leaders.
Explanation:
The leader of the party that owns a majority of seats in either house of Congress or of a state legislature. Elected by their own party councils, majority leaders act as chief spokespersons and tacticians for their parties. The principal functions of a majority leader normally associate to floor duties. The majority leader is the lead speaker for the majority party during floor discussions, exhibits the calendar and supports the president or speaker with program advancement, policy formation, and policy decisions.
Hope this helped you :D
What are the similarities and differences between mitosis in plant and animal cells?
Answers
The process of mitosis in both plant and animal cells involves the division of a single cell into two identical daughter cells. However, there are also some key similarities and differences between mitosis in plant and animal cells.
Similarities:
1. Both plant and animal cells undergo the same phases of mitosis, which include prophase, metaphase, anaphase, and telophase. 2. In both types of cells, the nuclear membrane dissolves during prophase, and the chromosomes condense and become visible. 3. During metaphase, the chromosomes align at the center of the cell along the metaphase plate. 4. In anaphase, the sister chromatids separate and move towards opposite poles of the cell. 5. Finally, during telophase, the nuclear membranes reform around the separated chromatids, and cytokinesis occurs, leading to the division of the cytoplasm.Differences:
1. In plant cells, during prophase, the formation of a cell plate starts, which ultimately leads to the formation of a cell wall between the two daughter cells. In animal cells, however, a cleavage furrow forms during cytokinesis, which pinches the cell into two. 2. Animal cells generally have centrioles, which aid in cell division by organizing the spindle fibers. Plant cells lack centrioles. 3. Plant cells typically have a large central vacuole and a rigid cell wall, while animal cells lack these structures. 4. Plant cells have a unique organelle called the plasmodesmata, which allows for direct communication between adjacent cells. Animal cells do not have this structure. 5. The shape of the cells also differs between plant and animal cells. Plant cells are often more rectangular or square-shaped, while animal cells are typically more rounded or irregularly shaped. These are some of the key similarities and differences between mitosis in plant and animal cells. It's important to note that while these differences exist, the overall process and purpose of mitosis remain the same in both types of cells the production of genetically identical daughter cells.About CellsThe cells is the smallest unit that composes the bodies of living things and is the place where the functions of life are carried out. The cell was first discovered by an English scientist named Robert Hooke in 1665. The cell structure is an arrangement and relationship between elements or cell elements that are interconnected in a unified cell system as the smallest unit of living things. The function of cell organelles is to maintenance of balance or homeostasis within the cell. Examples of cell organelles are the nucleus, ribosomes, mitochondria, and endoplasmic reticulum. Cell organelles that only exist in plants include plastids, vacuoles, and cell walls.
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FAST plzzzzzzzzzzzzzzzzzzzzzzz
The cell theory was not complete until Rudolph Virchow discovered that....
a. cells are alive
b. there are 2 types of cells ( prokaryotic and eukaryotic)
c. all cells come from preexisting cells
Answers
when salt is dissolved in water, water is the what and why
Answers
Answer:
solvent
Explanation:
The solvent is the substance that dissolves another thing, in this case the water dissolves the salt
Answer: Water is the solvent because it is dissolving the salt in it. Salt is the solute.
The table below summarizes Mendel’s results for the F2 generation.Mendel’s ResultsPlant height787 tall277 shortFlower color705 purple224 whiteFlower position651 middle of stem207 end of stemPod color428 green152 yellowPod shape882 inflated299 constrictedSeed color6,022 yellowx greenSeed shape5,474 smooth1,850 wrinkledWhat number should replace the letter x in the “Seed color” row?1522072242,001
Answers
The correct answer is 2,001 for the green seed color.
As we can notice in the given results of the different phenotypic characteristics of the plants, it follows a 3:1 ratio. The 3 is the dominant trait while 1 is the recessive trait.
Mr. Karpov has an aquarium that can hold 40 quarts of water. He sells it and buys two new aquariums that can each hold gallons of water. How many more quarts of water do the two new aquariums hold than the old aquarium?
Answers
The amount of quarts of water the two new aquariums hold more than the old aquarium is 208 quartz
How to calculate quantity?Since 1 quart is equal to 0.25 gallons, the old aquarium can hold 40/0.25 = 160 gallons of water.
Each of the new aquariums can hold gallons of water, so together they can hold a total of 2 × = 72 gallons of water.
To find how many more quarts of water the two new aquariums hold than the old aquarium, we need to find the difference in the volume of water they can hold in quarts:
72/0.25 - 40 = 288 - 40 = 248 quarts
Therefore, the two new aquariums can hold 248 - 40 = 208 more quarts of water than the old aquarium.
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life expectancy have increased in many parts of the world. Why do you think fewer people are dying?
Answers
Answer:
The main reason why these people live to an advanced age is better medical care. But average life expectancy is also increasing because the rate of infant mortality has fallen across the world.
The more in depth answer is under the 'Explanation' part.
Explanation:
List of reasons for increased life expectancy in the United States.
-Healthcare.
-Sanitation.
-Nutrition.
-Working conditions.
Life expectancy has increased rapidly since the Age of Enlightenment. In the early 19th century, life expectancy started to increase in the early industrialized countries while it stayed low in the rest of the world. This led to a very high inequality in how health was distributed across the world. Good health in the rich countries and persistently bad health in those countries that remained poor. Over the last decades this global inequality decreased. No country in the world has a lower life expectancy than the countries with the highest life expectancy in 1800. Many countries that not long ago were suffering from bad health are catching up rapidly.Now Humans are living longer around the world. While there have been obvious ups and downs, life expectancy at birth overall has been steadily increasing for many years. It has more than doubled in the last two centuries. This increase was previously driven by reductions in infant mortality
Although longitudinal waves can travel through all media types, what is the disadvantage of this type of wave transmission? Particles become too close together as they bump into each other making it more likely to hit other particles down the line. The waves travel in all directions which does not ensure that it will come into contact with particles down the line. The efficiency of the wave transmission is greatly diminished as the media becomes less dense. The oscillation of one set of particles has a huge impact on neighboring particles.
Answers
Answer:
The efficiency of the wave transmission is greatly diminished as the media becomes less dense.
consider the element sodium its atomic number is
Answers
Answer: 11
Explanation:
The mass number is given at the top left of the elements symbol, for example, sodium has a mass number of 23. We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11
The initial population of a bacteria colony is observed to be 500 bacteria. The population shows a growth rate of 50% per day, and the carrying capacity of the surrounding is estimated to be 2,000,000 bacteria. To the nearest whole number, find the population of bacteria after 15 days. A 165,822 bacteria B 622,707 bacteria C) 903,430 bacteria 2,000,000 bacteria
Answers
The population, to the nearest whole number, of bacteria after 15 days is approximately 4,769 bacteria, The correct option is E, None of the above.
To find the population of bacteria after 15 days, we can use the formula for exponential growth:
N = N₀ * \((1 + r)^t\)
Where: N = Final population after time t N₀ = Initial population r = Growth rate per time period t = Time period
Given: N₀ = 500 bacteria r = 50% per day (or 0.5) t = 15 days
Plugging in the values, we have:
N = 500 * \((1 + 0.5)^{15\)
Calculating this expression:
N = 500 * \((1.5)^{15\) N
= 500 * 9.537 N
= 4,768.5
Thus, the correct option is E, None of the above.
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The question is inappropriate; the correct question is:
The initial population of a bacterial colony is observed to be 500 bacteria. The population shows a growth rate of 50% per day, and the carrying capacity of the surrounding area is estimated to be 2,000,000 bacteria. To the nearest whole number, find the population of bacteria after 15 days.
A. 165,822 bacteria
B. 622,707 bacteria
C. 903,430 bacteria
D. 2,000,000 bacteria
E. None of the above
A bear, many trees, and the river is known as
A. Organism
B. Population
C. Community
D. Ecosystem
Answers
the definition of this is, "a biological community of interacting organisms and their physical environment."
explain why viruses are regarded as being biologically important
Answers
Answer:
because technically they are not living organisms. - they are only composed of proteins and DNA, the way they reproduce is unlike any organism (DNA injection), they cannot be killed with normal biological agents(antibiotics)
Explanation:
is this correct??? if not tell mee plsssss ofr brainliest
Answers
Answer:
Wrong the moon causes tides and revolves is the one with 1 year
Explanation:
In the somatic cell of a mammalian female, one of the two x chromosomes is randomly inactivated and condensed, resulting in the formation of a ________.
Answers
In the somatic cell of a mammalian female, one of the two x chromosomes is randomly inactivated and condensed, resulting in the formation of a Barr Body.
One of the two X chromosomes is randomly and irreversibly inactivated in cells other than egg cells very early in female embryonic development. The term "X-inactivation" or "lyonization" refers to this process. Females, like males, have one functioning copy of the X chromosome in each body cell thanks to X-inactivation. In placental mammals like humans, the choice of which X chromosome will be inactivated in a certain embryonic cell is random, but if an X chromosome is inactivated, it will be inactive for the lifetime of the cell and its offspring in the organism (its cell line). The outcome is that all of the organism's cells have an equally distributed distribution of inactivated X chromosomes, with roughly half of the cells having an inactivated paternal X chromosome and the other half having an inactivated maternal X chromosome (X-inactivation).
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Synaptic vesicles contain neurotransmitters that are released by ________ when the action potential arrives.
Answers
Answer:
fuse with the plasma membrane
Explanation:
-When an action potential arrives at the synaptic terminal, acetylcholine-filled vesicles fuse with the plasma membrane. This releases acetylcholine into the synaptic cleft.
Which form of energy is an input for photosynthesis?
Answers
Answer:
Light Energy
Explanation:
The process through which green plants and certain other organisms convert light energy into chemical energy is known as photosynthesis. Light energy is collected and utilised by green plants during photosynthesis to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic molecules.
Which of the following best describes invertebrates and vertebrates? Invertebrates have a backbone and vertebrates do not. Invertebrates do not have a backbone and vertebrates do. Invertebrates and vertebrates both have a backbone. Invertebrates have a backbone in the front and vertebrates have one in the back.
Answers
Answer:
Explanation:Invertebrates are animals without spines, while vertebrates have a spine. Invertebrates are sometimes (mistakenly) thought of as primitive because of their lack of developed organs. Their simple internal systems include respiratory systems such as gills or trachea and they often use an open circulatory system to pump their blood. As invertebrates lack an internal skeletal
structure, they sometimes have an external skeleton that protects their soft bodies called an “exoskeleton.” In general, invertebrate success often comes from their ability to reproduce extremely quickly, unlike many vertebrates who take years to become fully grown.
Vertebrate animals, on the other hand, have a spine that develops from a notochord they possess as an embryo. They also have defined internal systems like complex respiratory structures, a closed circulatory system and sensory organs that build the nervous system. Vertebrates tend to be larger than invertebrates, thanks to their backbone, which allows their bodies to grow larger and move faster than many invertebrates.
The statement that best describes invertebrates and vertebrates is invertebrates do not have a backbone and vertebrates have a backbone.
What do you mean by invertebrates?Invertebrates may be defined as any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates.
Invertebrates do not possess a backbone and an internal skeleton, but they have an exoskeleton. They possess an open circulatory system. While on the other hand, vertebrates possess a backbone and an internal skeleton, but they do not possess an exoskeleton. They possess a closed circulatory system.
Therefore, the statement that best describes invertebrates and vertebrates is invertebrates do not have a backbone, and vertebrates have a backbone.
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the epithelial and connective tissue elevations on the dorsal surface of the tongue are called .
Answers
Papillae. The tiny bumps on the top of your tongue called papillae aid in holding food while it is being chewed by your teeth.
They also serve another important purpose by housing your taste buds of tongue, which let you to detect flavours ranging from tart lemons to sweet peaches. Yummy! Little white or red bumps known as enlarged papillae are caused by the papillae becoming inflamed and somewhat swollen. Transient lingual papillitis and lie bumps are other names for this illness. The natural exfoliation of papillae cells may be the cause of this swelling. However, other elements may also have an impact on the papillae to the point of swelling.
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14. Infrared waves are an example of heat transfer by
A. convection
B. radiation
C. conduction
D. motion of the air
15. Which of the following is the best conductor of heat?
A. glass
B. wood
C. plastic
D. tin
16. Heat registers are usually placed near the floor because
A. cold air rises
B. cold air expands
C. hot air rises
D. hot air expands
17. The basement of a modern house is often heated using hot water that passes through plastic pipes in a concrete floor. Which form of heat transfer would best explain how the concrete is warmed?
A. conduction
B. convection
C. radiation
D. all of the above
18. Fill in the blanks for the following terms
Glass
Convection
Conduction
Kinetic energy
Potential energy
Radiation
Metal
Contact
.
a. In conduction, heat is transferred through the ________of two objects.
b. The collision of high-energy molecules of a burner results in a transfer of__________to a pot.
c. Two processes involved in making air directly above a burner feel warm are __________ and __________
d. A wax bead is placed on the end of a metal rod and another on the end of a glass rod.
The other end of each rod is placed over a flame. The wax bead that will melt first is the one on the __________rod.
19. The transfer of heat in a liquid involves which of the following?
A. radiation
B. conduction
C. convection
D. gravity
20. Which statement is true about the transfer of heat in a liquid
A. heat radiates in all directions in a liquid
B. heat is passed from one molecule to the next
C. heat flows as a circular current in the liquid
D. heat does not move in a liquid
21. Convection currents in liquids move
A. not at all
B. up at the point of the heat source, then toward the cooler water
C. down at the point of the heat source, then toward the cooler water
D. directly away from the heat source toward the cooler water
22. Which of the following statements about a land breeze is incorrect?
A. The sea loses heat more slowly than the land. The air over the sea is warmer.
B. Warm air over the sea rises.
C. Air over land is cooler. Cool air is more dense and sinks.
D. Cool air flows toward the land to replace warm air that has risen.
23. Which of the following statements about a sea breeze is correct?
A Air over land is cooler.
B. Air over the water is cooler.
C. Air over the water is less dense and sinks,
D. Air over the land is more dense and sinks.
24. When compared to a land breeze, a sea breeze is
A. warm and strong
B. cool and weak
C. warm and weak
D. cool and strong
25. The heat transfer method that causes land and sea breezes is
A. radiation
B. conduction
C. convection
D. concentration
26. Fill in the blanks. Select the appropriate words from the following list. Words may be used
Heats
Flows toward
Cooler
Sinks
Rises
warmer
a. The air in a sea breeze __________ over the land and __________over the water.
b. The air in a land breeze __________ over the land and __________over the water.
27. Which pot would transfer heat the best?
A. a clay pot
B. a glass pot
C. a stainless steel pot
D. a steel pot with a copper bottom
28. The type of heat transfer that allows a pot of soup to heat evenly is
A. conduction
B. convection
C. radiation
D. conductivity
29. The method by which a vehicle radiator is cooled is
A. air rushing through the radiator
B. coolant flowing to the radiator
C. coolant flowing away from the radiator
D. all of the above
30. When a refrigerator is running, the pipes at the back feel hot because
A. the refrigerator is too close to the wall
B. the refrigerator has a mechanical problem
C. the pipes have absorbed heat from the surrounding air in the room
D. the pipes have absorbed the heat that has been transferred from the food inside
31. In a refrigerator, which is the last place heat from food transfers to?
A. fins or wires
B. coolant in the pipes
C. air inside the refrigerator
D. air outside the refrigerator
Answers
Answer:
so long coorrect answer is b i think so
A student conduct an experiment to determine if the temperature of the water affected the breathing rate of the freshwater sunfish. Tempeture was measured in degrees Celisius and breathing rate was per minute
What is the independent variable and dependent variable
Answers
Answer:
the independent variable is the temperature and
the dependent variable is the breathing rate of the fresh water sunfish
more primate species probably existed in the past than are alive today. true or false?
Answers
True, more primate species probably existed in the past than are alive today. There is evidence that more primate species existed in the past than are alive today.
This is due to factors such as evolution, natural selection, and extinction events, which have caused some primate species to evolve into new species, adapt to different environments, or become extinct over time.
As a result, the total number of primate species in the past was likely higher than the number of species currently alive.
Fossil records and genetic studies have shown that primate diversity has decreased over time, with some species becoming extinct due to climate change, habitat destruction, or competition with other species.
Additionally, new primate species continue to be discovered, further supporting the idea that primate diversity was greater in the past.
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Does the formation of sperm is more in low temperature???
Answers
Answer:
Sperm production is a process that's sensitive to heat. Ideally, sperm production occurs around 93.2ºF, which is about 5ºF below normal body temperature. This is why the testes hang below the body to keep the temperature a bit lower.
Explanation:
Discuss the function of hemoglobin in human body and the consequences of hemoglobin
deficiency
Answers
Hemoglobin: The high iron-containing protein in red blood cells (RBCs) is known as hemoglobin. This gives the blood a red color.
It has two main functions: it carries oxygen from the lungs to tissues of the body, and it carries carbon dioxide from cells back to the lungs for excretion.
Functions of hemoglobin:
Hemoglobin is the main reason for the red color in our blood.Hemoglobin carries oxygen and carbon dioxide. Hemoglobin interacts with other ligands.Hemoglobin plays a crucial role in maintaining the shape of red blood cells.Consequences of hemoglobin deficiency:
Hemoglobin deficiency leads to having fewer red blood cells and causes anemia.It is found in red blood cells and acts as a carrier of oxygen and carbon dioxide.Low levels of hemoglobin in the blood cause parts of the body to function more slowly and weaken due to reduced oxygenation.Hemoglobin deficiency reduces the blood's oxygen-carrying capacity.
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A man is homozygous for an autosomal recessive genetic condition. his mate does not possess the allele. what are the chances that their first son would express the condition?
Answers
In this case, there is no chance that their child will have the condition.
What are autosomal genetic conditions?In this kind of condition, the offspring receives two mutated genes from each of their parents. The condition is passed from two parents who are both carriers of the condition.
The carriers would not have the condition but if two carriers have a child together, they have a 1/4th chance of having a kid who has the condition.
\(A\;A^a\\ A\;AA\;AA^a\\A^a\;AA^a\;A^aA^a\)
If the individual with the condition has a kid with an individual who does not have the allele, there is no chance that the kid will have the condition. All their children will be carriers.
\(\rm A^a\;A^a\\ A\;AA^a\;AA^a\\A\;AA^a\;AA^a\)
Therefore, there is no chance of them having a child who has this condition.
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What are the stages for anaerobic.
a. Glycolysis, Kreb’s Cycle, Electron Transport Chain
b. Glycolysis then fermentation
pls help
Answers
Answer:
The answer is B that is Glycolysis then fermentation
Enzyme Action: How Clean Is Your Laundry?
Biology Sem 1
Answers
Answer:
what
Explanation:
How do the integumentary, immune, lymph, and endocrine systems protect you? How are they different from the way your nervous, skeletal, and muscle systems protect you?
Answers
The integumentary, immune lymph and endocrine system protects us from infectious microorganisms which is different from the the way your nervous, skeletal, and muscle systems does.
What are the protective systems of the body?The protective systems of the body are those body system that helps protect the body against disease causing microorganisms. They include the following:
Nervous: This system helps establish a network of communication between the various cells of the body.Skeletal: This system provides support through the bones for movement.Muscle systems: This system protects the vital organs of the body by absorbing shock and reducing friction in the joints.There are other systems the protects the body which include:
The integumentary system: This serves as a protective layer for the whole body.Immune system: This is made up of immune cells that help fight foreign bodies.Lymph: This is contains lymphocytes that fights disease causing microorganisms.Endocrine system: this contains hormones that control almost all body process.Learn more about immune system here:
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Answer:
In contrast to your nervous, skeletal, and muscle systems, which protect you from infectious microorganisms, your integumentary, immune, lymphatic, and endocrine systems do so.
Animal cell
can you label what is what, please and thank you.
Answers
Answer:
This Is a photo to help out.
Explanation:
