The term extinction applies to the eradication of an entire what ??

answer would be D) Cell Plate

It should be B) Enjoy

Answer:

Keep in mind that both paths can have negative effects, say the fox population spikes and there are too many foxes in one area, the rabbit population will decrease in a alarming rate and eventually the foxes will start to run out of food and then they will either move to another area and/or they will start to die due to starvation, thus resulting in a decrease in the fox population. At the same time if the fox population is TOO LOW, then the rabbit population will grow and the food resources that the rabbits need will become harder to find due to so many rabbits eating the same thing. This will also result in the rabbit population decreasing due to starvation and/or them moving to a different location.

Explanation:

The model that shows the relationship between the two populations is known as predation.

The population may be characterized as a group of individuals belonging to the same species living in the same area at a definite time period. The size, density, dispersion, birth rate, death rate, abundance, etc. are some of the characteristics of the population. These characteristics are also known as demographic factors.

According to the food chain, foxes eat rabbits. If the population of rabbit is high, the foxes have better food resources and they also increase in number, due to this, the size of the rabbit population reduces, and the fox population increase, but after some time, they also decline.

Predation is a type of species interaction in which one species directly consumes the other in a fraction of the time. It is a type of +,- type, in which one species is benefitted and another is harmed.

Therefore, the model that shows the relationship between the two populations is known as predation.

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Answer:

Forms diploid cells

Explanation:

I TOOK THE TEST ON EDGE 2020 AND I GOT 100%

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Answer:

Explanation:The modern medicines made from plants that are included in the given options are:

1. Aspirin: Aspirin is derived from the bark of the willow tree. It is commonly used as a pain reliever and anti-inflammatory medication.

2. Codeine: Codeine is an opioid medication derived from the opium poppy. It is used as a pain reliever and cough suppressant.

3. Ephedrine: Ephedrine is obtained from the Ephedra sinica plant. It has been used in some medications for its stimulant and decongestant effects.

It's important to note that while the other options (cough syrup and Neosporin) may be commonly used medicines, they do not specifically come from plants. Cough syrup can be a combination of various ingredients, including synthetic compounds, while Neosporin is a topical antibiotic ointment containing synthetic antibiotics.

The cheese melts, so it changes from solid to liquid. It is a physical change since nothing chemically will change.

The cheese changes by melting from solid form to liquid form

Walking, exercising, sitting, moving, driving, carpentry, cooking, chores.

1. Organisims that make their own food are called autotrophs. 2.Organisims that rely on a food source are called heterotrophs. 3. Plant cells and some alge contain chloroplasts to conduct photosythesis.4. Autotrophs get their energy from the sun to convert it into chemical energy. 5. The food making process is called photosynthesis. 6. Water and carbon dioxide are the raw materials for photosynthesis.

"A" bonds with "T", and "G" bonds with "C"   (A-T) (G-C)

In DNA, bases bond together to form complementary base pairs. These pairs are A-T and C-G, denoting that adenine (A) bonds with thymine (T), and cytosine (C) bonds with guanine (G). The bond between G (guanine) and C (cytosine) is stabilized by three hydrogen bonds.

In biological terms, specifically in the context of DNA structure, bases bond together to form what are known as complementary base pairs. These occur due to hydrogen bonding. The bond formation depends on the type of base involved. The bases are represented by the letters A, C, G, and T, each representing a specific type of nucleotide: Adenine (A), Cytosine (C), Guanine (G), and Thymine (T).

The pairing is derived from the rule that adenine (A) always bonds with thymine (T), and cytosine (C) always bonds with guanine (G). These pairs, A-T and C-G, are known as complementary because of the bases' ability to bond with each other specifically. This preservation of order between bases ensures the correct genetic information is passed on during cell division (mitosis).

In the case of your question, G (guanine) bonds with C (cytosine). This specific base pairing, like all others in DNA, is stabilized by hydrogen bonds. Guanine and cytosine form three hydrogen bonds between them, contributing to the stability of the DNA structure.

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The voices of astronauts in the space station are transmitted back to Earth using sound waves.

Sound waves are produced by the vibration or movement of an object, which creates changes in air pressure.

Sound waves are a type of mechanical wave that is created by the vibration of an object, such as the vocal cords of a person speaking. In the case of astronauts in the space station, their voices are picked up by microphones and converted into electrical signals that are transmitted to Earth.

These electrical signals are then converted back into sound waves that can be heard by people on Earth.

Transverse waves and longitudinal waves are other types of waves, but they are not used for transmitting sound in this context. Transverse waves occur when the particles of a medium vibrate perpendicular to the direction of the wave, while longitudinal waves occur when the particles vibrate parallel to the direction of the wave.

Both of these types of waves can be used for other purposes, such as transmitting information or energy, but they are not used for transmitting the voices of astronauts in the space station.

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Final answer:

Astronauts' voices are transmitted to Earth using electromagnetic waves, specifically radio waves, which are a type of transverse wave that can travel through the vacuum of space.

Explanation:

The voices of astronauts are transmitted back to Earth using electromagnetic waves. While sound cannot travel through the vacuum of space as it requires a medium, electromagnetic waves can. Specifically, astronauts use radio waves to communicate. These are a type of transverse wave that can travel through the vacuum of space. The astronaut's voice is converted into a radio signal that is transmitted via radio waves.

Therefore, the correct answer to the student's question is B) transverse waves. Examples of other electromagnetic waves include light, microwaves, and X-rays. These are all transverse waves and do not require a medium to travel, differentiating them from sound waves, which are mechanical and longitudinal waves but cannot travel through the vacuum of space.

Igneous rock formation is most closely associated with volcanic events and the cooling and solidification of magma, either on the Earth's surface or underground.

The formation of igneous rock is most directly related to volcanic eruptions and magma intrusion into the Earth's crust. Igneous rocks form either on the Earth's surface as a result of volcanic activity, where magma exits a volcano and cools quickly to form rocks like basalt, or beneath the surface where magma cools slowly to form intrusive rocks such as granite. Most magmas that form igneous rocks originate at plate boundaries and hotspots due to mechanisms like pressure release, an increase in temperature, or the addition of volatiles which decrease the melting temperature of rocks.

I think that its the cell membrane.

Aerobic respiration is is the process that takes place in the presence of oxygen. In this oxygen is used to break down the amino acids, fatty acids and glucose and is the main process to generate ATP in the body.

Aerobic respiration does not occur in cytoplasm, it occurs in mitochondria. In cytoplasm. Anaerobic respiration takes place in cellular respiration hence in cytoplasm anaerobic respiration takes place.

Aerobic respiration produces water and carbon dioxide as the end product. Cells which undergo aerobic respiration can produce nearly 6 molecules of carbon dioxide, 6 molecules of water and nearly 30 molecules ATP.

Aerobic respiration itself is a process that takes place in the presence of oxygen. It uses oxygen to break down glucose, fatty acids and amino acids and helps to generate ATP which is the main way to generate ATP to muscles.

Aerobic respiration is performed by mitochondria and not yeast. In yeast fermentation takes place which is a form of anaerobic respiration. Hence yeast undergo fermentation and not aerobic respiration.

Therefore the answer is B aerobic respiration produces water and carbon dioxide as the end products.

Answer:

The Venn diagram compares aerobic respiration and anaerobic respiration.

A Venn diagram is shown. One circle is labeled aerobic and the other circle is labeled anaerobic.

Which statement should be categorized only in the aerobic section of the Venn diagram?

occurs in the cytoplasm

produces water **

requires no oxygen

is performed by yeast

Explanation:

8. A. Its size

None of the other options would change as a result of just cutting a cork into smaller pieces

9. A. The luggage will be lighter to carry

The weight of water can add up very quickly so when you remove almost 90% of water from a substance, you can substantially decrease the weight

10. A. behind him

The sun is shining on his back so his shadow is in front of him, but if he were to turn around his shadow would still be in the same place in relation to his body

I think it will make the color black

Answer:

white light

Explanation:

White light is the name given to what the human eye sees when all the colors that make up the visible light spectrum are combined. The visible light spectrum is composed of red, orange, yellow, green, blue, indigo and violet light, and these colors combined produce white illumination.

When shining through a prism, the white lights are divided into colors separate from the visible light spectrum.

1) lactic acid & ethyl alcohol are the two types of fermentation.

There are two types of fermentation: alcoholic fermentation and lactic acid fermentation.

The two types of fermentation are:

Lactic acid fermentation: This type of fermentation produces lactic acid.

Alcohol fermentation: Also known as ethanol fermentation, it converts pyruvic acid to acetaldehyde and CO2.

Based on the final product formed, fermentation can be divided into four types: lactic acid fermentation, alcoholic fermentation, acetic acid fermentation, and butyric acid fermentation. The three main types of

fermentation are alcoholic fermentation, lactic acid fermentation, and acetic acid fermentation.

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The complete question is:

Which of the following is NOT a principle of cell theory?

Cells are the basic units of life

All living things are made of cells

Very few cells are able to reproduce

All cells are produced from existing cells

Answer: Very few cells are able to reproduce  

Explanation:

Cell theory is a globally accepted historic scientific theory which states that living organisms are made up of cells . They are the structural and  functional unit of life.

All the new cells that is formed in the body is formed by the preexisting cells of the body.

The main point that only few cells are able to reproduce. This point was not mentioned in the cell theory.

Answer:

Mutualism

Explanation:

The term interspecific cooperation or Mutualism refers to the phenomenon when two organisms of different specie co-exist in such a way that both get benefit from each other due to their some characteristic features.

For example: in the example mentioned in question, Pistol Shrimps and Gobies co exist in a mutualistic relationship.

What happens that shrimp  not only builds but also maintains a burrow as a habitat in which both shrimp  and Gobies live and in turn Gobies protects the shrimp from the attack of predators.

There are several examples of mutualistic associations between living organisms and it it is one of the best types of symbiotic association in which no organism gets harm.

Hope it help!

My answer is correct!!!

Answer:

1.  B

2.  A

Explanation:

The energy from the sun is tapped by the autrotrophs through photosynthesis. These autotrophs are then preyed on by higher organisms in the food chain such as primary consumers - like rabbits. Primary consumers are then preyed on by secondary consumers like cheetars. Secondary consumers are then preyed on by tertiary consumers like vultures. Therefore, there is a transfer of energy from the sun up the food chain/web.

Without autrotrophs most organisms in the the food chain would not exist. This is why autotrophs  are at the bottom of the energy pyramid. There are, however, inefficiencies in the transfer of this energy up the food chain. Only 10% of the energy is passed to the next upper level (and turned into biomass) because most of the energy is lost  mostly in form of heat.

Answer:

Sun (B)

10% (A)

Explanation:

cutting the gene out of the DNA with enzymes

Answer:

Option D, cutting the gene out of DNA with enzymes

Explanation:

The  first step in inserting a new gene into a bacterium is the separation of gene (to be inserted) from the parent cell DNA

Restriction enzyme (RE) is a DNA cutting enzyme which is used to cut this DNA. RE identifies a specific target sequence with in a DNA and then cut the DNA into two pieces either at or near the site.  

For example - Human insulin gene is separated from the DNA of human and then inserted into plasmid of bacteria.

First of all, a coast is where land ends and the sea/lake starts.

Therefore, the coastline, is the "border", or as you said it, the boundary between the continent and a sea or in some cases a lake.

Answer:

[tex]\boxed{\bf~A - Coastline}[/tex]

Hope it helped,

BioTeacher101

For aquatic animals, insects, and plants, they offer distinctive habitats. The Shackleton Coast in Antarctica is an example of an icy coast. The Skeleton Coast in Namibia is an example of a desert coast.  Thus option A is correct.

The patterned ground and ice-push barriers are examples of ice processes that have an impact on landforms in harsh temperatures, such as those found around the Arctic coast.

Understanding natural phenomena like weather and rising sea levels is made easier by coasts. Coasts are the first areas to flood during storms.

Coastal landforms are those landforms that are located along coasts and were produced by erosion, deposition, or both. These frequently entail a marine-terrestrial environment interaction of some kind.

Therefore, coastline landform represents the boundary between the land and an ocean or lake.

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Answer:- Apical dominance

Explanation:-

Thus, the shoot tips effect of keeping the lateral buds dormant is called as apical dominance.

If a person has blood type B, that means you can only donate blood to blood types such as AB or B

If a person has O, that means it can donate blood to all blood types

If its A, they can donate blood to blood types of AB and A

If its AB it can donate to blood types of A, B, and AB

Final answer:

A person with type B blood has B antigens on their erythrocytes and produces anti-A antibodies, meaning they can receive blood from type B or O donors and can donate to type B or AB recipients. Blood type AB individuals can receive from any type, while type O can donate to any type.

Explanation:

If a person has type B blood, it means their erythrocytes (red blood cells) have B antigens on the membrane surface. Consequently, these individuals naturally produce preformed anti-A antibodies in their plasma. These antibodies would cause a serious immune response if the person received blood with A antigens during a transfusion.

According to blood donor compatibility, a person with type B blood can receive blood from others with type B or the universal donor type O. They can donate to individuals with type B or AB. The presence of anti-A antibodies in someone with type B blood precludes them from receiving type A or type AB blood as it would lead to agglutination (clumping) of the red blood cells.

It's worth noting that blood type AB individuals have both A and B antigens and no preformed antibodies, making them the universal acceptors, while those with blood type O have neither A nor B antigens and are considered the universal donors. The distribution of people with type B blood arriving at a blood drive roughly follows the Poisson distribution, with about one out of nine people in the United States having this blood type.

The smooth endoplasmic reticulum is responsible for the synthesizing of Carbohydrates and lipids and does NOT have attached ribosomes

The rough Endoplasmic reticulum is responsible for synthesizing proteins and DOES have attached ribosomes

The rough endoplasmic reticulum (RER) is studded with ribosomes and synthesizes proteins. The smooth endoplasmic reticulum (SER), on the other hand, is involved in lipid biosynthesis, carbohydrate metabolism, and detoxification of toxins.

The endoplasmic reticulum exists in two forms: the rough endoplasmic reticulum (RER) and the smooth endoplasmic reticulum (SER). The RER is named so because it's studded with ribosomes, which are sites for protein synthesis. It appears bumpy under the microscope. These ribosomes synthesize proteins that are then destined for the cell membrane or other functions.

In contrast, the SER lacks these ribosomes and appears 'smooth.' It performs a different set of functions in the cell. The SER plays key roles in lipid biosynthesis, carbohydrate metabolism, and the detoxification of toxic compounds within the cell.

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to better understand your data

Part A:  

1. Both the processes of meiosis and mitosis are the kinds of cell division in which one cell forms or produces more than one cell, that is, both follow duplications of chromosomes.  

2. Both the procedures include dissociation of the nuclear membrane, and both require spindle fibers to move the chromosomes around.  

Part B:  

1. Mitosis comprises one stage while meiosis comprises two stages. Mitosis produces diploid cells, while on the other hand, meiosis generates haploid cells.  

2. Mitosis gives rise to two similar daughter cells, while meiosis gives rise to four genetically similar daughter cells.  

Lactase refers to an enzyme that can dissociate lactose sugar into glucose and galactose. This enzyme plays an important role in the digestion of milk that comprises high lactose sugar. In case, if a mutation occurs in the gene codon of lactase, then two possibilities can take place. These are as follows:  

1. Loss of mutation: In this case, the person becomes lactose intolerant because of mutation in lactase gene codon. Due to this, there is low mRNA expression and thus low production of the enzyme lactase. This is also known as lactase non-persistent phenotype.  

2. Gain in mutation: In this case, the person gain an increase in mRNA expression of the lactase gene, thus more production of lactase takes place than usual. This kind of individual exhibits lactase persistent phenotype.  

A mutation in the lactase gene could lead to changes in the structure and function of the lactase enzyme, affecting the organism's ability to process lactose. Depending on the type and location of the mutation, the effects can range from mild to severe, possibly causing diseases related to lactase deficiency.

A mutation in the coding region of the lactase gene could have several potential effects, depending on the nature of the mutation. Mutations could include insertions, deletions or other changes in the DNA sequence that could alter the structure and function of the resulting protein. Such changes could increase the possibility of the protein having extra bends and loops, potentially altering its effectiveness in metabolizing lactose.

For example, in the case of E. coli, mutations in the lactase gene could disrupt the operon's regulation of lactose metabolism.

With a functioning lactase gene, when lactose is present, it triggers the transcription of genes that allow the bacterium to metabolize lactose. However, if the lactase gene were mutated, it could prevent this from happening, leaving the cell unable to process lactose as a food source.

Therefore, considering the potential range of effects, a mutation in the lactase gene could cause significant changes in an organism's ability to process lactose, and it could also cause diseases linked to either the lack of lactase or to structurally abnormal lactase proteins.

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Answer: Option 1) C."Vacuoles"      

                           2) B. "Cell wall"

Explanation:

Vacuoles are large organelles in plant cells that are filled with fluid and function to maintain pressure in the cell. In hypertonic solutions, the fluid inside the vacuoles releases out due to high concentration of solute inside the cell and allows water to flow out of the cell, resulting into drooping of cells.

Cell wall is the outermost layer of plant cell that functions to protect and support the plant cell. Plant cell wall is rigid and made up of cellulose (fibers) that resist the pressure released from vacuoles and maintains the structure of the cell.

Hence the correct option are vacuoles and cell wall.