This starfish had lost two of its arms. By what process could it regenerate them?

Answers

Answer 1
Starfish, actually not being fish but instead marine invertebrates, can amputate its own arms and reproduce is self asexually. The central discs are split into fragments through a process that is called fission, and which the regeneration process happens and genetically identical limbs are thereby reproduced.
Answer 2

Answer:

mitosis

Explanation:

The first dude is wring got me wrong on my first take :p


Related Questions

______ is a kind of mri adapted for better imaging of myelinated fibers, specifically for white matter.

Answers

The specific concept that revolves around the enhancement of imagery for various aspects of the MRI in taking data from the body in regards to muscle and tissue, it is referred to as the Diffusion Tensor Imaging, which allows for a more comprehensive understanding of the section being graphed.

What are the five types of materials used to make welding rods?

Answers

The five types of materials used to make welding rods are:
1) iron/steel
2) copper
3) aluminium
4) brass
5) bronze

Menstrual cramps are experienced with the onset of the menses because of strong contractions of the ____ layer of the uterus.​

Answers

the Answer is " the middle muscular layer".
The middle muscular layer of the uterus is also known as myometrium.
There are three layers of the uterus;
1) the outer layer known as perimetrium
2) the middle layer that is myometrium
3) the inner layer which is known as endometrium.
The middle layer is responsible for the uterine contraction and as a result, one have menstrual cramps.

Menstrual cramps are due to the contractions of the myometrium layer of the uterus, a thick layer of smooth muscle that also plays a critical role during labor.

Menstrual cramps are experienced with the onset of the menses because of strong contractions of the myometrium layer of the uterus. The myometrium is a thick layer of smooth muscle and is responsible for uterine contractions. This muscle layer has fibers that run horizontally, vertically, and diagonally, allowing the uterus to contract powerfully during labor and also to cause the less powerful contractions, or menstrual cramps, which help to expel menstrual blood. Additionally, the endometrium is the innermost layer and sheds during menstruation. The uterine contractions that occur near the time of ovulation facilitate the transport of sperm through the female reproductive tract.

Brainiest answer pretty please!!



Cell Theory Quiz ↓↓↓

In your own words explain the following tenet of cell theory:

The cell is the most basic unit of life.


Answers

Everything that creates life is made up of cells.

Hope this helps!

The cell is the most basic unit of life because it is the smallest structural and functional entity capable of independent existence. This tenet of cell theory acknowledges that all living organisms are composed of one or more cells, and it is at the cellular level that the fundamental processes of life occur. Cells are capable of performing all the necessary activities of life, such as metabolism, growth, reproduction, and response to the environment. While cells can form tissues, organs, and systems within multicellular organisms, each cell carries out its own life processes. Unicellular organisms, like bacteria, consist of a single cell that performs all the functions necessary for life. Thus, the cell is recognized as the fundamental unit of structure, function, and organization in living things.

 

To understand why the cell is considered the most basic unit of life, we need to delve into the characteristics and functions of cells:

 1. Structural Composition: Cells are the building blocks of all living organisms. In multicellular organisms, cells differentiate and come together to form tissues, tissues form organs, and organs form organ systems. In unicellular organisms, a single cell performs all the functions required for life.

2. Independent Existence: Each cell is capable of carrying out the basic functions of life, such as nutrition (taking in and processing energy), excretion (removing waste), respiration (exchanging gases), growth, and reproduction. This independence is evident in single-celled organisms, which can survive and reproduce on their own.

 3. Metabolism: Cells convert nutrients into energy through metabolic processes. These processes are essential for maintaining life and are carried out within the cell.

 4. Growth and Reproduction: Cells grow and divide through processes like mitosis and meiosis. In multicellular organisms, growth occurs through cell division, and in unicellular organisms, reproduction occurs through cell division.

 5. Response to Stimuli: Cells can respond to changes in their environment. This ability to sense and react to stimuli is a fundamental characteristic of life.

 6. Genetic Information: Cells contain DNA, the genetic material that carries the instructions for all cellular activities and the hereditary information passed from one generation of cells to the next.

 7. Specialized Functions: In multicellular organisms, cells can become specialized to perform specific functions, such as nerve cells conducting electrical impulses or muscle cells contracting.

In summary, the cell is the most basic unit of life because it embodies all the properties and functions that define living organisms. It is the smallest unit capable of sustaining life, and all life forms are built from cells. This fundamental principle of biology underpins our understanding of life's processes and the diversity of life on Earth."

An injury could stimulate _____, which are specialized sensory receptors for pain

Answers

An accident or injury, may and can stimulate the nociceptor/s, which is (a)/are specialized sensory receptors for pain. Nociceptors are a kind of receptor located on the tip of a sensory neuron's axon, which reacts to harmful or possible harmful stimuli by means of sending hazard indications to the spinal cord and to the brain.

Light waves are transduced by ________ in order to see, whereas sound waves are transduced by ________ in order to hear.

Answers

Light waves are transduced by photoreceptors to enable vision, while sound waves are transduced by hair cells in the cochlea to facilitate hearing. Both processes convert physical energy into neural signals that are interpreted by the brain.

Light waves are transduced by photoreceptors in order to see, whereas sound waves are transduced by hair cells in the cochlea in order to hear. The process of transduction converts the physical energy of light and sound waves into neural signals that our brains can interpret. In the eye, light passes through the cornea and lens, allowing images to be focused on the retina, which contains rods and cones. These photoreceptors then convert light into electrical signals. In the ear, sound waves enter the auditory canal, making the eardrum vibrate. These vibrations pass through the ossicles to the cochlea where hair cells detect the mechanical movements and convert them into electrical signals sent to the brain via the auditory nerve.

________ is the substance that makes the plasma membrane more rigid and less permeable to water and water-soluble molecules.

Answers

Cholesterol is the substance that makes the plasma membrane more rigid and less permeable to water and water-soluable molecules.

Which usually happens to the host's DNA during the lyric cycle?

It is destroyed.

It is integrated with the viral DNA.

It becomes a previous.

It is spliced with a viral DNA.

Answers

The host cell  During a lytic cycle the host's DNA becomes integrated with the viral DNA. Lytic cycle is one type of viral reproduction. For this type, the virus replicates using the host's DNA machinery.

Like all sciences, forensics using the scientific method to reach conclusions. However, in forensics, this method is followed a little differently. Why does the traditional format of the scientific method NOT work within the forensics field?

Answers

Despite the fact that most scientific experiments follow the known scientific method, forensics science differs in this aspect due to the fact that there are increasing external variables that are at play, which force the scientist to implement differing techniques to attain an answer.

A new mother of a newborn girl calls the clinic in a panic, concerned about the blood-tinged soiled diaper. what is the best response from the nurse?

Answers

The nurse should explain that the blood on the diaper for a female infant may due to the withdrawal of maternal hormones after delivery. This is not very uncommon, the mother shouldn't be too concerned. However, the nurse should still recommend the mother to take the infant to a doctor.

Answer: The nurse should explain that the blood on the diaper for a female infant may due to the withdrawal of maternal hormones after delivery. This is not very uncommon, the mother shouldn't be too concerned. However, the nurse should still recommend the mother to take the infant to a doctor.

The substance that serves best to keep our skin smooth and protected is

Answers

The substance that serves best to keep our skin smooth and protected is Keratin. Keratin is a fibrous structural protein and is the protein that protects epithelial cells from damage or stress. Keratin is insoluble in water and organic solvents

Where do living things find the nutrients that they need to survive

Answers

If you are a Carnivore, then you find nutrients from prey,(Deer, pig, etc.) but if you are a herbivore, then you find nutrients from plants. However, if you are a omnivore, (we are!) then you get nutrients from both plants and animals. I hope I was helpful!

How would an increase in carbon dioxide concentration in the atmosphere change the greenhouse effect?

Answers

the greenhouse effect will increase because CO2 traps heat so more heat, more greenhouse effects

why is photosynthesis important for ecosystems everywhere

Answers

Photosynthesis is necessary for providing energy for an ecosystem. Plants produce energy by the sun. This allows animals to eat the plants, getting its energy. Then predators can eat those animals. When all of these organisms die, then decomposers eat the decaying matter.

In mendel’s garden peas, each cell in a pea plant has a total count of:

Answers

ten is your answer I think

The nurse is assessing a 6-month-old child. the mother asks when the soft area in her child’s head will go away. what is the best response by the nurse

Answers

the area is called the anterior fontanel and closes anytime between 9 and 18 months of age.

Francesco Redi disproved the idea of spontaneous generation through an experiment involving _____.

mud and frogs
water and plants
meat and flies

Answers

The answer to this is meat and flies your welcome c:

Which condition is required for viruses to reproduce?

They must enter another virus structure.

They must enter the cell of another organism.

They must come in contact with water.

They must encounter a virus with genetic material different from their own.

Answers

I believe the correct answer is the second option, or b. 

Answer: They must enter the cell of another organism.

Explanation:

Viruses are intracellular parasitic organisms. It posses genetic material in the form of ribonucleic acid (RNA) which is enclosed inside a protein envelop. A virus being a parasite invade a host organism cell to produce it's own progeny viruses. A virus attach itself to the specific receptor site on the host cell membrane. The protein coat is left outside the cell and the viral genetic material is injected inside the host cell. Then replication of the viral genome takes place inside the host genome. The progeny viruses release from the host cell machinery by lysis of the host cell.

Biomolecues are essential to all living things. Which biomolecule is "A" from the above table? A) lipid B) protein C) carbohydrate D) nucleic acid

Answers

The biomolecule represented by CHO is a carbohydrate.  (Option C)

What is Carbohydrates?

Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) in a ratio of 1:2:1, which corresponds to the general formula (CH₂O)n.

where;

n  is the number of carbon atoms.

So, in this case, biomolecule A (CHO) fits the general formula of carbohydrates and corresponding to option is (C) carbohydrate.

Carbohydrates have been defined as polyhydroxy aldehydes or ketones. They are water-soluble and reducing compounds.

Why do most enzymes stop functioning after being soaked in a strong acid or base?
A) They have been diluted.
B) Their water content has been reduced.
C) They have been converted to tripeptides.
D) Their bonding structure has been changed.

Answers

D) Their bonding structure has been changed.

Answer:

a

Explanation:

Name five landforms from the Quaternary period.

Answers

Deep alpine valleys formed by glacial erosion. Deep Fjords, formed by valley glacier movement. Creation of the Great Lakes and Finger Lakes via glacial erosion and deposited water. Moraines, large deposits created from till, debris and sediments being deposited by glaciers. Eskers, extremely tall ridges with very steeps sides created by sediment deposited in glacial tunnels during melting phases, then compressed into stone. Drumlins, streamlined hills formed from glacial till,

What are the working conditions? inside/outside? office/plant/lab? forensic engineer?

Answers

Final answer:

Forensic engineers typically work inside secure labs, like the DNA extraction room at U.S. Army Criminal Investigation Laboratory, doing technical analysis. They must be comfortable with routine work and might work alone or collaborate with teams. The environment usually requires secure entry and specialized tools for detailed evidence analysis.

Explanation:

Working Conditions for a Forensic Engineer

Forensic engineers play a critical role in criminal investigations, especially when it comes to analyzing physical evidence. They often work inside secured laboratories, such as a DNA extraction room at the U.S. Army Criminal Investigation Laboratory. The work differs depending on the specialty, but many forensic engineers spend a significant portion of their day in a lab setting, performing technical analysis and conducting experiments. 

The job entails a combination of technical skills and meticulous methods. Forensic engineers must be comfortable with routine work, as they may perform the same type of analysis multiple times to ensure accuracy. They usually work with various tools and equipment specific to their field of expertise. 

Workplaces are often not open to the public due to the sensitive nature of criminal investigations and thus require secure entry. In terms of social interactions, while some engineers may work alone, others may be part of teams, collaborating with law enforcement and legal professionals. An assessment of one's preferences for social interaction, routine, and workspace environment is crucial before deciding to pursue a career in forensic engineering.

If a dividing cell has centrioles what does this tell you about the cell

Answers

The cell is an animal cell.

This is because only animal cells contain centrioles.

Final answer:

Centrioles in a dividing cell suggest it is an animal cell, as they assist in organizing spindle fibers for chromosome separation during cell division. However, their exact function is not fully understood, evidenced by the ability of cells without centrioles, including plant cells, to divide successfully.

Explanation:

If a dividing cell has centrioles, this implies that the cell is likely an animal cell as centrioles are primarily found in animal cells and some lower plant forms. These cylindrical structures play an important role in cell division by organizing the microtubules that position the chromosomes correctly during the process.

During cell division, the centrosome, which includes a pair of centrioles, replicates itself. The centrioles assist in pulling the duplicated chromosomes to the opposite ends of the dividing cell. It's interesting to note, however, that while centrioles are associated with the organization of the spindle fibers that distribute chromosomes during cell division, their exact role is not fully understood. This confusion arises because cells without centrioles can still divide, and plant cells, which typically lack centrioles, are also capable of cell division.

The correct order of the structures of the motor neuron is:

Answers

Below is the correct order:

dendrites, the cell body, axon, terminal branches of the axon.


It is a neuron whose body is situated in the spinal string and whose fiber extends outside the spinal string to specifically or in a roundabout way control effector organs, essentially muscles, and glands.Motor neurons axons are efferent nerve filaments that convey signals from the spinal line to the effectors to create impacts
Final answer:

The correct order of the structures of a motor neuron is dendrites, cell body, axon, myelin sheath, neurilemma, and axon terminal.

Explanation:

The correct order of the structures of a motor neuron is as follows:

Dendrites: Short, divided processes that enter the cell bodyCell body: Contains a central nucleus and Nissl bodies in the cytoplasmAxon: Long process that leaves the cell body and transmits impulses away from the cell bodyMyelin sheath: Whitish fatty layer surrounding the axon, interrupted at intervals by nodes of RanvierNeurilemma: Cellular layer outside the myelin sheathAxon terminal: End of the axon where it forms synapses with other neurons or muscles

which is the most likely response of a human to an increase in temperature?
A.increasing the amount of perspiration
B.increasing waste elimination from the bladder
C.a reduction of desire for liquids
D.a contraction in blood vessels in the skin

Answers

A; increasing the amount of perspiration

When your body heats up, it needs to get riding some of that extra heat. When your body sweats and the sweat evaporates, it cools you down.

Answer:

Answer A

Explanation:

The activity that puts the most continuous pressure on the lumbar region of your lower back is:

Answers

The highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.There is one more condition when maximum pressure can be felt and that is leaning in forward position with a heavy weight.To avoid this one should not hold weight in this position.In this case the weight should be hold closer to the body to reduce the pressure on the disc and spine.





A sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.

Generally, the highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.

However, not holding weight in the sitting position helps to prevent continuous pressure on the lumbar region of your lower back.

In conclusion, the sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.

Read more about lumbar region

brainly.com/question/17624205

as resources become scarce because of population growth the growth

A. is unpredictable
B. levels off
C. increases slowly
D. is exponential

Answers

Growth rates will level off (choice B) as population grows. This is true of a population at or near carrying capacity. The growth will slow because of competition for the finite resources, which will lead to a faster rate of dying-off than in previous generations.

Answer:

it levels off

Explanation:

20 POINTS!!!!!!!!! PLZ HELP ME!!!!! Sorry for yelling

Answers

Plant C will grow the highest because it is located under the Red light, which "gives them the most energy to power photosynthesis".
Plant A should grow to 2nd place, because it is located under the Yellow light, in which Yellow light is more closely related to red then green
Last but not least, Plant B will grow to 3rd highest, because it is under a green light

hope this helps

Answer:

Plant C will grow the highest because it is located under the Red light, which "gives them the most energy to power photosynthesis".

Plant A should grow to 2nd place, because it is located under the Yellow light, in which Yellow light is more closely related to red then green

Last but not least, Plant B will grow to 3rd highest, because it is under a green light

Explanation:

Michael was born with cataracts in both eyes. what can you tell his parents about the possibility of recovery as it relates to sensitive periods in brain development? michael should not have corrective surgery until adulthood, as earlier surgery may permanently damage his eyes. corrective surgery should be postponed until early childhood so that michael can fully recover his visual skills. the longer cataract surgery is postponed beyond infancy, the less complete the recovery in visual skills. there is only a slight chance that corrective surgery can repair michael’s severe impairment.

Answers

The longer cataract surgery is postponed beyond infancy, the less complete the recovery in visual skills. One of the biggest problems with eye problems during youth is the brains remarkable ability to adapt to the current conditions including ignoring signals from the eyes if those signals are not useful. For instance, the disease amblyopia (lazy eye) where one eye is easier for the brain to use causes the brain to adapt to that and start ignoring the more difficult eye. If not treated before around age 10, the brain will permanently ignore the eye so that even if corrective action is taken and the eye is completely healthy, the person is still effectively blind in that eye. So with that in mind, let's look at the available options. Michael should not have corrective surgery until adulthood, as earlier surgery may permanently damage his eyes. - This is exactly the wrong thing to do. There's 2 issues at work here. Correcting the problem with the eyes AND giving the brain time to learn how to use the eyes. Waiting until adulthood may result in a completely healthy eyes. But the brain won't know how to use them and Michael will be effectively blind. Corrective surgery should be postponed until early childhood so that Michael can fully recover his visual skills. - This is a better option than the one above, but time is still a critical issue with brain development. Still not a good choice. The longer cataract surgery is postponed beyond infancy, the less complete the recovery in visual skills. - This is exactly correct. The sooner the eyes are treated, the longer the brain has to learn how to use them. This is the correct answer. There is only a slight chance that corrective surgery can repair Michael’s severe impairment. - This is the wrong choice. If Michael's eyes are treated early enough for Michael's brain to learn how to use them, then Michael should be able to live a normal sighted life.
Final answer:

Research has shown that delaying cataract surgery can lead to less complete recovery in visual skills. It is recommended to postpone corrective surgery until early childhood to allow for full recovery.

Explanation:

Research has shown that there is a critical period of development for vision, where sensory input from the eyes is crucial for the development of neural connections. Delaying cataract surgery beyond infancy can lead to less complete recovery in visual skills. It is recommended to postpone corrective surgery until early childhood to allow Michael to fully recover his visual skills.

Learn more about Cataract surgery here:

https://brainly.com/question/38608836

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You wake up and find yourself surrounded by ferns, trees, flying birds, and different types of dinosaurs. Which era did you wake up in? Proterozoic Paleozoic Mesozoic Cenozoic

Answers

you woke up in the Mesozoic Era
`
You woke up in the Mesozoic era.
Mesozoic era was the time when dinosaurs roamed the Earth, which was coated with ferns, trees, and flying birds soared through the skies. The remaining three options did not have such characteristics as mentioned above.
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