Complete the table of the following element.

Element: Sodium Symbol: Na # Protons:___ # Neutrons:___ # Electrons:___ Atomic Number:___ Atomic Mass:___

Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.

In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.

Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.

Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms,  annelid worms, sponges, and sea stars.

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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.

Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.

Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.

Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.

Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D

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The Question was Incomplete, Find the full content below :

The organisms which can reproduce by fragmentation are:

(a) Corals and Sponges

(b) Corals and Spirogyra

(c) Sea anemone and Spirogyra

(d) Sponges and Sea anemones.

The type of reaction can be deduced from observing the changes  in the reaction from left to right.

In the first case, we can see that the aluminium atom replaced Ga from left to right to yield AlP. This reaction is a single replacement reaction.

In the second case, we can see that the two species combined together to yield a single product. Hence, it is a combination reaction.

In the third reaction, We can see that the anions in MgO and BeSe exchanged cation partners from left to right. This means that this is a double replacement reaction.

In the fourth reaction, we can see that methane reacts with oxygen. This is a combustion reaction.

In the fifth reaction, we can see that the NaCl was broken up into its  components. This is a decomposition reaction.

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Answer:

1. Al + + GaP → Ga + AlP - Single Replacement

2. 2 Mg + O2 → 2 MgO - Synthesis

3. MgO + BeSe → BeO + MgSe - Double Replacement

4. CH4 + 2O2 → CO2 + 2H2O - Combustion

5. 2 NaCl → Na + Cl2 - Decomposition

Explanation:

1) The net force is simply the sum of all given forces. Therefore,

net force = 2N in the upwards direction

(or North)

2) Net force equals 3N + 2N = 5N to the left

( or West)

3) Net force = (-2N) + 6N = 4N to the right (or East)

Answer:

Output of nutrients from ecosystems can also occur through surface flow of water and soil erosion. However, loss of nutrients from one ecosystem may represent input to other ecosystems. Output of organic matter from terrestrial ecosystems constitutes the majority of nutrient input into stream ecosystems.

Explanation:

It is useful that a cell is made of many individual parts as they fulfill specific functions that allow it to carry out the functions of nutrition, metabolism, response to stimuli, information processing, reproduction and growth.

Cells are the smallest anatomical unit of organisms, and they perform several functions, encompassed within three main actions: nutrition, relating and reproducing.

Therefore, we can conclude that it is useful that a cell is made of many individual parts as they fulfill specific functions that allow it to carry out the functions of nutrition, metabolism, response to stimuli, information processing, reproduction and growth.

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Cells exchange materials with the environment around them because they get rid of wastes and take in nutrients. Thus, the correct option is D.

A Cellular exchange may be defined as the process through which waste products and other toxins within muscles are interchanged with healthy nutrients and oxygen.

When the biological process of cellular exchange increases, muscles become healthier and stronger as compared to normal and are less likely to cause abnormal circumstances like fatigue and weakening.

Therefore, the main reason for the cellular exchange is to get rid of waste and take in nutrients. Thus, the correct option is D.

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The astronomical unit is a useful and simple to comprehend way for astronomers to express distances within solar systems.

Instead of measuring distances relative to the earth in general, the Copernicus technique is used to calculate distances between planets that are close to the sun.

The presumption that the planets have circular orbits, whereas in fact they follow elliptical orbits, is the key requirement for implementing this strategy.

To determine how far away close stars are, astronomers employ a phenomenon known as parallax.

Therefore, astronomical unit is useful to determine distances in the solar system.

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Due to the global warming, the temperatures in the Arctic will continue to rise causing the ice sheets to melt and because of that polar bears and other animals might face extinction.

Global warming as well as other environmental changes in the Arctic are having a crucial impact on the stability of the fragile Arctic ecosystem.  As the Arctic continues to warm up, ice sheets will keep melting at an accelerating rate. This can possibly have a major impact on the ecosystem, as many of the species, including polar bears as well as the seals, depend on the ice for their survival.

As the Arctic continues to warm, the sea ice is melting at an accelerating rate. This can have a major impact on the ecosystem, as many species, depend on the ice for their survival.

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Answer:

Scientific Theory

Explanation:

The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.

In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.

Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.

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Answer:

INDEPENDENT VARIABLE: COCONUT JUICE

DEPENDENT VARIABLE: APPEARANCE OF GREEN SLIME

CONTROL GROUP: THE SIDE OF THE SHOWER HE SPRAYED WITH WATER

CONSTANT: SAME TIME OF MEASUREMENT, SAME SHOWER

Explanation:

- Independent variable is the variable that is changed or manipulated by an experimenter. In this experiment, Homer sprays a side of his shower with COCONUT JUICE and the other side with water. This means that the independent variable is the COCONUT JUICE.

- Dependent variable is the variable that responds to the independent variable. It is the variable that is measured by the experimenter. In this experiment, the dependent variable is the APPEARANCE OF GREEN SLIME on the shower.

- Control group is the group in an experiment that does not receive the experimental treatment (coconut juice). This means that the control group of this experiment is the SIDE OF THE SHOWER HE SPRAYED WITH WATER.

- Constants or controlled variable are the variables in an experiment that are kept unchanged throughout the experiment. In this case, the constant is SAME TIME OF MEASUREMENT, SAME SHOWER.

Both rocks are non-foliated is accurately describes the metamorphic rocks. So, the correct option is (A).

Metamorphic rocks are defined as those resulting from the transformation of existing rock into a new type of rock through a process called metamorphism. The parent rock is subjected to temperatures in excess of 150 to 200 °C, which exert pressures of 100 megapascals or more, causing profound physical or chemical changes.

These began as some other type of rock, but have changed substantially from their original igneous, sedimentary or earlier metamorphic form.

Large amounts of granite intrusions are also associated with regional metamorphic rocks while the most common regional metamorphic rocks are slate, schist and gneiss.

Thus, both rocks are non-foliated is accurately describes the metamorphic rocks. So, the correct option is (A).

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Your question is incomplete, most probably the complete question is :

The images show two metamorphic rock samples.

Which statement accurately describes these rocks?

A. Both rocks are non-foliated.

B. Neither rock has randomly arranged grains.

C. Both rocks formed at Earth’s surface.

D. Neither rock formed through extreme heat or pressure

Answer:

Plant more trees and as you plant trees you are planting life too because of the fact that they are giving us fresh air, woods that we people used to build our houses. ... Trees are natural air filters - taking in carbon dioxide and releasing oxygen. Trees protect sources of drinking water by preventing soil erosion

In water cycle, liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

The water cycle, also known as the hydrologic cycle or the hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above and below the surface of the Earth.

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds.

The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water evaporates and becomes water vapor.

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Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.

Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.

Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.

Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.

Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.

Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.

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Since the Pitx1 gene codes for a protein crucial im lower limns development, a mutation occurring near Pitx1 gene will affect refikjs around the lower limbs but not those far away from it.

Mutations refers to alterations or error that occur which change the original sequence of nucleotides in a DNA molecule.

The Pitx1 gene is a gene that codes for a protein that involved in development of the lower limbs.

A mutation near but outside of the coding region of Pitx1 may cause a loss of pelvic fins without pleiotropic effects on the pituitary gland and jaw because the pelvic fins form part of the lower limbs whole the jaws and the pituitary gland are not found in the lower limbs.

Therefore, the mutation occurring near Pitx1 gene will affect regions around the lower limbs but not those far away from it.

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The reciprocal cross would be the best type of cross in to determine if a particular trait is a sex linked trait

The correct option is option c.

Reciprocal cross is basically a technique which used in genetics in order to determine whether a trait is sex-linked or it is autosomal. In a reciprocal cross, two different crosses are performed. The first one with the male parent having the trait of interest and the female parent which is not having that trait. The second cross is done with the female parent having the desired trait and the male parent not having the trait.

If the trait is found to be autosomal, the results of the two crosses will be the same but if the desired  trait is sex-linked, the results will differ depending on which sex carries the trait.

Hence, the correct option is option c.

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--The given question is incomplete, the complete question is

"Which of the following types of crosses would be best to determine if a trait is sex linked ?

a. Monohybrid cross

b. Dihybrid cross

c. Reciprocal cross

d. Test cross"--

Answer:

4) They can live in extreme conditions

Explanation:

Bacteria can live in extreme conditions. It is the characteristic of bacteria. Hence, the option (4) is the correct answer.

Answer:

higher genetic diversity

easily locate a mate

protection from predators

Explanation:

The density of a population is important because whether individuals are crowded or spread out affects their lives and their interactions with each other.

Answer:

I hope this helps.

Explanation:

Answer:

Explanation:

To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."

i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:

    Y     Y

y   Yy  Yy

y   YY  YY

ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.

The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).

Question 2:

To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.

Answer:

to see blood or to see fingerprints or footprints

Explanation:

if this helps could you please give brainliest

Answer:

its the first one

Explanation:

Answer:

Foods generated from genetically modified (GM) species have had their genetic material (DNA) altered in a way that does not occur naturally, for as by introducing a gene from another creature.

Explanation:

Answer:

False

"The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

Explanation:

The food we eat undoubtedly contains energy. This energy is stored in the bonds of the molecules that make up the food. However, the food undergoes the process of digestion to yield glucose (a sugar). This glucose sugar is used in the process of CELLULAR RESPIRATION to synthesize a form of chemical energy usable by cells called ATP.

ATP or Adenosine triphosphate is a molecule that stores chemical energy in living cells. It is the molecule that directly powers all of our cellular activities. Hence, the statement in this question is FALSE. The correct statement should be "The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

Answer:

The karyotype of cancerous cells is abnormal due to the mutations in the DNA. The cell division that occurs in the cancerous cells is similar to the normal cell division. The only difference lies in the check points. The cancerous cells skip the checkpoints where the errors are checked.

Further Explanation:

A hypothesis is the primary explanation that is formed on the basis of limited evidences that support the investigation.

The picture of a person’s chromosome is known as karyotype. The karyotype of a person can be determined by isolation of chromosomes followed by staining and examination of the chromosomes under microscope. The WBC chromosomes are usually isolated, stained and examined. The examined picture under a microscope is taken and the chromosomes are then arranged in the decreasing order of chromosome size. In a normal cell, the mitosis cell division also known as equational cell division is responsible for the increase in the number of cells. The number of chromosomes after the mitotic cell division remains equal to the initial number of chromosomes. Thus, known as equational cell division. In cancerous cells, the abnormal mitosis cell division occurs in which the cell skips the checkpoints which causes abnormal number of mitotic divisions.

Thus, the karyotype of cancerous cells is abnormal due to the mutations in the DNA. The cell division that occurs in the cancerous cells is similar to the normal cell division. The only difference lies in the check points. The cancerous cells skip the checkpoints where the errors are checked.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Cell Division

Keywords:

Hypothesis, evidences, investigation, cancerous cells, mitosis, equational cell division, chromosomes, check points, microscope, mutations, isolation, staining.

The process that will change a chloride atom into a negative chloride ion will be (C) electron gain.

Chloride ion is the negatively charges ion that forms due to the gain of one electron in the neutral chloride atom. It can also be called anion due to its negative charge. Chloride anion forms an essential electrolyte in the human body that is required for maintaining the osmotic balance.

Electron is a negatively charged sub-atomic particle that makes up an atom. It surrounds the nucleus of the atom giving a cloud like appearance. The charge than an electron carries within it is 1.60 × 10⁻¹⁹ coulombs. The electron can be bound to the atom or occur in free state.

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Answer:

B

Explanation:

Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. where a single cell divides twice to produce four cells containing half the original amount of genetic information

Answer: Before you build your home, it's important to familiarize yourself with ... number) and make sure your parcel is an approved building site before you build. ... city hall or mayor's office, department of housing, or other local government office.

Explanation: