14. corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces mononucleate pollen. it is most likely a: a monocot

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 answers include the following below:

This is referred to as a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource.

Birds of prey such as hawks, eagles etc contain a high amount of pollutant due to a phenomenon called biomagnification in which concentrations increase as you go up the food chain which is why monitoring them can help reveal what substances are polluting the natural world.

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Answer:

The correct answer is - 10.6666 channels.

Explanation:

Given:

numbers of clusters duplicated = 16 times

The frequency bands for mobile unit transmission are - 825 to 845 MHz

The frequency bands for base station transmission = 870 to 890 MHz

The required bandwidth for each one-way direction of channels = 30 kHz

Formula:

the number of simultaneous communications that can be supported by each system \(k_{sys}\) = \(MB_{CL}\)/\(b_{ch}\)

Solution:

The required bandwidth for each two-way direction of channels = 2 × 30 kHz

then, according to the formula the number of simultaneous communications that can be supported by each system

\(k_{sys}\) = \(MB_{CL}\)/\(b_{ch}\)

k_{sys} = 16×40/60

[b_{ch} = (845-825) + (890-870) = 20+20=40)]

= 10.6666.

1) Each level losses 90% of energy that was contained in the previous level. 2)Protozoa (Producer), snail, shrimp, amphipods (Primary consumers), Salamander (Secondary consumer), Intestinal roundworm (Tertiary consumer), fungi (Decomposer).

The 10% rule states that at each trophic level occurs an energy transference from one of the levels to the next, with only 10% being usable in each of them.

As a general rule, only about 10% of the energy stored as biomass at one trophic level -per unit time- ends up as biomass at the next trophic level -in the same unit of time.

The remaining 90% of energy is lost to the environment as heat.

The progressive reduction of energy determines the number of trophic levels (4 or 5).  

In the xposed example,

1) Each level losses 90% of energy that was contained in the previous level.

2)

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Answer:

The bones of forelimbs of whale, bate, cheetah, and man are similar in structure because they are homologous organs. The organs which have the same fundamental structure but are different in functions are called homologous organs. These organs follow the same basic plane of organization during their development. But in the adult condition, these organs are modified to perform different functions as an adaptation to different environments. The homologous structures are a result of divergent evolution. Homology indicates common ancestry, so they share a common ancestor.

Answer:

C and D

Explanation:

Energy flow is the transference of energy through all the links composing the trophic web. The correct options areA and D.  A) sun → tree → caterpillar → bird ///  D) sun → grass → mouse → owl.

Is the transference of energy through a series of organisms involved in the trophic web.

During energy flow, every link in the trophic web takes energy by feeding on the preceding one and provides energy when becomes food for the next link.

Accordig to this information, the two correct answers are options A and D.

            Producer        Primary consumer    Secondary consumer

A.  sun    → tree        →        caterpillar         →              bird

D.   sun   → grass      →            mouse          →               owl

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Answer:

the answer is b and c to the question

Disasters are more likely to cause lives and property damage in poor areas, and they frequently lead to an increase in poverty afterward. Poorer communities frequently do not fully recover from disasters; instead, they experience a new normal and a lower status after a crisis.

Due to their frequent relocation to high-risk locations, poor people are more frequently impacted by natural disasters. First, regions that provide economic prospects, public services or direct comforts, as well as better productivity and salaries, may be more desirable than others.

Various economic losses result from calamities. Infrastructure and capital assets, including buildings, industries, schools, roads, dams, and bridges, are destroyed. Owing to the loss of life, the exodus of trained labourers, and the disruption of education due to the destruction of educational infrastructure

Economic losses in the form of assets and local revenue will be a result of disasters.

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Answer:

where does the pituitary gland located?state its parts

Answer:

the law of dominance, the law of segregation, and the law of independent assortment

Photosynthesis occurs in two stages, light-dependent and light-independent reactions. This last one is the Calvin cycle, and its main function is to produce sugars. D. to produce glucose.

Photosynthesis involves two stages: light-dependent and light-independent reactions.

Light-independent reaction is known as the Calvin cycle, and it takes place in the stroma.

During the Calvin cycle, sugars or carbohydrates are synthesized.

When carbón dioxide, CO₂, enters the leaves through stomas, it diffuses to the chloroplast stroma. Carbon atoms fixate, meaning that they incorporate into organic molecules. These molecules are used to produce 3-C sugars.

The whole process is impulsed by ATP and NADPH coming from light-dependent reactions.

The alternation of the processes of light-dependent and light-independent reactions help the cell conserve energy and matter.

Plants takes solar energy and produce ATP and NADPH. When there is no available solar energy, the plant uses these molecules to produce carbohydrates.

The correct option is D. to produce glucose

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The cells which make many proteins have more ribosomes than the other cells.

Eukaryotic cell is defined as any cell or organism that has a clearly defined nucleus with a nuclear membrane that surrounds the nucleus, in which well-defined chromosomes which are the bodies containing hereditary material are located.

Eukaryotic cells are found in plants, animals, fungi, and protists. Eukaryotic cells have nucleus which has a DNA that carries all the genetic information.

Thus, the cells which make many proteins have more ribosomes than the other cells.

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Answer:

a living organism that shapes its environment

Explanation:

hope this helps

The division of blood stem cells and their development into more specific and committed precursor cells is stimulated by hormones and growth factors and colony-simulating factors (CSFs).

Аn immаture cell thаt cаn develop into аll types of blood cells, including white blood cells, red blood cells, аnd plаtelets. Blood stem cells аre found in the peripherаl blood аnd the bone mаrrow. Аlso cаlled hemаtopoietic stem cell.

Colony-stimulаting fаctors (CSFs) аre secreted glycoproteins thаt bind to receptor proteins on the surfаces of hemаtopoietic stem cells, thereby аctivаting intrаcellulаr signаling pаthwаys thаt cаn cаuse the cells to proliferаte аnd differentiаte into а specific kind of blood cell, usuаlly white blood cells.

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Answer:

its number 3

Explanation:

it makes the most since

Answer:

It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.

Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.

Explanation:

A step in designing an experimental investigation is identifying the variables that will be controlled for all experimental groups.

The correct option to the given question is option A.

An experiment is a controlled investigation where scientists manipulate and measure specific variables. Scientists design experiments to test hypotheses and answer questions. In the design of an experiment, several steps must be followed to ensure the results are accurate and reliable.

Identifying the variables that will be controlled for all experimental groups: This is an essential step in designing an experimental investigation. Controlled variables are variables that scientists keep constant throughout the experiment so that they do not influence the dependent variable.Writing a procedure that prevents other scientists from repeating the results: Scientists usually provide a detailed description of their experimental procedures to ensure that other scientists can reproduce the results of the experiment and verify its accuracy.

Making sure that the hypothesis will be supported and not refuted: A hypothesis is a statement that scientists make that explains the relationship between the variables in an experiment. The hypothesis must be tested to determine whether it is supported or refuted.Collecting each piece of data in a different way so that there is more variety: In an experiment, data is collected to support or refute the hypothesis. Scientists should collect data in different ways to ensure that the results are reliable and accurate.

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Answer:

No not at all! That's your preference and what you want.

Explanation:

~Hope this helps you

Answer:

YO2 = 0.98

Explanation:

Answer: The acceleration of the papers is 2 meters per second squared.

Explanation: To calculate the acceleration of the papers, we can use the following formula:

a = F/m

where: a represents the acceleration in square metres per second.

F is the force in Newtons, and m is the kilogrammes of mass.

When we enter the values we are aware of, we obtain:

a = 2 m/s2 when a = 300 N / 150 kg

The papers are therefore moving at an acceleration of 2 metres per second squared.

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The differentiating factor between water and land plants is that the land plants have larger root systems whereas several water plants lack a root system.

Plants that grow in dry areas have xeromorphic traits to reduce transpiration under drought stress.

Reduction in transpiration under drought stress conditions can also be attained through leaf shedding and decrease in leaf number, leaf size, and branching.

The shallow water, abundant light, and nutrient-rich sediment are the ideal conditions for the growth of plants. Aquatic plants then provide food and habitat for many animals such as fish, frogs, turtles, insects and snails.

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Answer:

3

Explanation:

1 is wrong bc the cell membrane does not attract what the cell needs.  2 is wrong because it is made of more things than just proteins, and some helpful things enter the cell making 4 wrong.

The geosphere is the foundation and living things are beneficiaries. The atmosphere protects from UV rays and living things are beneficiaries. Hydrospheres provide groundwater and fresh water.

The geosphere, atmosphere, hydrosphere, and biosphere are the four basic components, subsystems, or spheres that make up the earth system, which is itself an interconnected system. These parts are intricately interwoven and function as systems unto themselves. The following is a succinct description of the earth system's four primary parts.

Therefore, Geosphere is the foundation, and living things are beneficiaries. The atmosphere protects from UV rays and living things are beneficiaries. Hydrospheres provide groundwater and fresh water.

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hii there,

Answer:

it is an the example of water pollution

Explanation:

Hope it helps you

Mark my answer as brainlist

have a nice day

Sister chromatids from homologous chromosomes initiate the exchange with one another, while homologous chromosomes pair up and form tetrads.

5. In prophase I, chromatin consolidates. Two sister chromatids form the foundation of each chromosome.

1. Sister chromatids from homologous chromosomes initiate the exchange with one another, whereas homologous chromosomes pair up and form tetrads.

2. Along the cell's middle, homologous pairs of chromosomes line up.

3. moving in the opposite direction of the cell's poles, the centrioles.

4. The cell separates down the center and inverse shafts of the cell are the outcome.

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Answer:

I belivie is C) Nucleic acids store and transmit genetic information

good luck ;)

Answer: I’m gonna take a wild guess and say 15-17. That is very big. Let me know if I’m wrong

Explanation:

Answer:

Not only did they use her photograph, but they published their findings without any mention of Franklin. Smith wrote, “Wilkins shared the Nobel Prize in Physiology or Medicine with Watson and Crick for discovering the spiraling ladder structure of DNA and its role in heredity

Franklin, whose lab produced the photograph that helped unravel the mystery of DNA, received no credit for her role until after her death”  (Smith). This is quite literally the definition of plagiarism, yet the entire scientific community has been quiet on this issue.  This poses the question raised by Smith, the scientific panel, and Cobb — was their sexism involved in excluding Franklin from the credit

Elkins believed that Franklin was not treated well, and certainly not as an equal to her colleagues. She believes that due to the pervasive sexism within the scientific field, Franklin was unaware that she should have been treated better.  She claims that Franklin’s paper was not acknowledged, “… because of the snaky deal that was done between Randall, the head of King’s, and Bragg, the head of Cavendish (Laboratory), to cover up the very awkward fact that the data had migrated from one place to the other” (Lloyd).  This statement suggests the questionable activities not only of Watson and Crick but also of their superiors.

Explanation: