When Sam cut open an apple he found only four seeds. Can you explain why?

​

For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.

Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.

In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.

Find out more on chromosomes here: https://brainly.com/question/11912112

#SPJ1

Complete question:

An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.

Which statement correctly explains this?

Its body cells are haploid and a result of mitosis.

Its sex cells are diploid and a result of mitosis.

Its sex cells are haploid and a result of meiosis.

Its body cells are diploid and a result of meiosis.

Answer:  An earthquake happens when tectonic plates move against each other. An oceanic and a continental tectonic plate might move against each other. When that happens, water is pushed upwards and it creates ripples that then move towards land.

Explanation:Hope this Helps :)

Answer: It supports my experiment because it shows how different measures of water can affect people's homes and landscapes.

I did it on my activity i hope this helps!

Explanation:

The centimo of intermediate filaments are elongated, not globular, and are related in an antipolar manner.

Vimentin intermediate filaments move bi-route along microtubules in the cell. current work has spotted the microtubule motor cytoplasmic dynein as the stay inward-directed motor that drives this motion. Intermediate filaments are one of the three vital cytoskeletal lattices in eukaryotic cells overall filament has no conflict, and therefore no motor proteins move along intermediate filaments.

Their purpose is mainly mechanical and, as a class, intermediate filaments are less dynamic than actin filaments or microtubules. Intermediate filaments usually work with microtubules, on conditions that strengthen and support the fragile tubulin shape.

So we can conclude that Intermediate filaments are an vital component of the cytoskeleton,

Learn more about Intermediate filaments here: https://brainly.com/question/1285243

#SPJ1

On the Structure of Compact Bone, the order of labelling are:

The photomicrograph shows a cross-section of a Haversian system, which is the basic unit of compact bone. The Haversian system consists of a central canal surrounded by concentric layers of bone called lamellae.

The osteocytes are located in lacunae that are arranged in rows along the Haversian canal. The canaliculi connect the lacunae to each other and to the Haversian canal. The central canal contains blood vessels and nerves that supply the osteocytes. The compact bone is arranged in columns called osteons.

Find out more on bone here: https://brainly.com/question/412179

#SPJ1

Answer:

factors effecting the climate

Explanation:

factors effecting the climate

The organic compound that is essential to cells is missing from the chart and is known as the proteins which form many structures within cells. Thus, the correct option for this question is A.

The function of proteins is understood by the fact that they are actively involved in the formation of many structures within the cells. They are also used for cell repair, tissue damage, etc.

According to the context of this question, carbohydrates provide short-term energy for cells while amino acids are the building blocks of proteins. Nucleic acids are known as information systems that carry out the mechanism of inheritance.

Therefore, the organic compound that is essential to cells is missing from the chart and is known as the proteins which form many structures within cells. Thus, the correct option for this question is A.

To learn more about Functions of proteins, refer to the link:

https://brainly.com/question/10058019

#SPJ1

There are various layers that make up the atmosphere, and each has distinct properties and functions. Both weather generation and energy transmission take place in the troposphere, which is closest to the Earth's surface.

The stratosphere shields the Earth from damaging UV radiation along with the ozone layer. Most auroras happen in the mesosphere, where meteors burn up. Modern technology is dependent on the thermosphere, where the majority of the Earth's satellites orbit and where communication signals are sent.

The dynamics of the atmosphere and its interactions with the hydrosphere and lithosphere are better understood thanks to these layers. Foreseeing and minimising environmental problems like climate change and preserving our world, it is essential to understand the significance of each layer.

Learn more about  atmosphere at:

https://brainly.com/question/26767532

#SPJ1

Answer:

multicellular

Explanation:

The life cycle of a star depends primarily on its mass with bigger stars burning their fuel more quickly. For nuclear fusion in stars to begin, the elements must undergo extremely high temperatures and pressures. Elements heavier than hydrogen are scattered throughout the universe when a massive star explodes as a Supernova. All elements heavier than helium  are produced in the core of a red supergiant. The blackbody  spectrum emitted from a star changes as the star's temperature changes.

Answer:

different  skin color shorter longer hair

Explanation:

Answer:

assimilation

Explanation:

i took the test

The change to the investigation that would remove the source of the error noticed by the scientist is to test a fourth group, in which the participants do not receive the mineral supplement (option A).

A controlled experiment is an experiment designed to replicate the main experiment in every way, except in respect of the one variable that is being tested, so as isolate the effect of that variable.

In other words, a control is introduced in the experimentation process. A control is group of test subjects left untreated or unexposed to the independent variable.

According to this question, a company is testing the effect of a mineral supplement on common cold. The experimental procedure is okay except that they didn't include a fourth group, which will serve as the control.

Learn more about control experiment at: https://brainly.com/question/32257330

#SPJ1

Answer:

The correct answer is - when a drug kills most of the bacteria, the ones left to breed are those that have a natural resistance to the drug.

Explanation:

When a drug or antibacterial medication used on the colony of a bacteria, the drug kills most of the specific bacteria from the host or culture, however, some bacteria remain to breed the next generation of bacteria as they had resistance to the particular drug.

The left bacteria breed and produce more resistant bacteria and after a few generations, a new form of drug-resistant bacteria develops. This follows the natural selection process and adapting the beneficial characteristic.

i think it is true

Explanation:

In most cases, the scientific method is an iterative process. In other words, it's a cycle rather than a straight line. The result of one go-round becomes feedback that improves the next round of question asking.

Insects employ various strategies to protect themselves from predators. They may use chemical defenses, such as secreting foul-smelling chemicals or possessing poisonous stings. Additionally, some insect larvae have poisonous hairs that can cause toxic reactions in predators. Insects that rely on unpleasant or dangerous chemicals gain two advantages: deterring predators from eating them and teaching predators to avoid them altogether.

The passage describes various defense mechanisms employed by insects to protect themselves from predators. Insects have evolved a range of strategies to deter or escape from threats.

These strategies include chemical defenses, mimicry, and camouflage. Chemical defenses involve the secretion of foul-smelling chemicals or the possession of poisonous stings, which discourage predators from attacking or eating them.

Mimicry involves insects with similar defense mechanisms resembling each other, leading predators to avoid them altogether. Some insects mimic the appearance of other species with unpleasant tastes or stings, deterring predators.

Camouflage is another defense mechanism, enabling insects to blend into their surroundings and make it difficult for predators to spot them. These defense mechanisms increase the chances of survival and successful reproduction for insects, as they are better equipped to defend themselves against potential threats.

For more such answers on Insects

https://brainly.com/question/29242562

#SPJ8

Answer:

wut?

Explanation:

Ok, so first Biology is something I love

Hope that makes sense

Answer:

A necessary condition for the changes in the finch populations to occur in response to the drier climate would be:

- Variation in beak shape within the initial population: There must have been existing genetic variation in the population of finches regarding beak shape. Some finches would have had the beak shape that provided an advantage in obtaining food resources in the drier climate, while others would have had different beak shapes.

Without this initial variation in beak shape, there would be no opportunity for natural selection to act and favor individuals with the advantageous beak shape. Therefore, the presence of genetic variation within the population is necessary for the changes in the finch populations to occur.

Based on the theory of natural selection, the necessary condition for the changes in the finch populations to occur is limited food resources. Option B

Natural selection is the process by which populations of living organisms adapt and change over time.

Natural selection occurs when there is variation within a population of a species, and some individuals are better able to survive and reproduce than others.

These individuals are more likely to pass on their genes to the next generation, and the population will gradually change over time.

The above answer is based on the full question below;

Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased, Which of the following describes a necessary condition for these changes in the finch populations to occur?

A. fewer mutations B. limited food resources C. limited beak variations D. overproduction of offspring

Find more exercises on natural selection;

https://brainly.com/question/31054297

#SPJ1

Answer:

D is the correct answer

Explanation:

Evolution by natural selection can only act on traits initially present. In the common ancestor, there would have been one beak, but in the offspring, there would have been variation in beak size and shape. As natural selection acts on that variation, different species end up with traits adapted to different conditions, thus increasing the species diversity.

ATP and NADPH serve as key molecules that connect the light-dependent and light-independent reactions in photosynthesis. They play crucial roles in transferring energy and reducing power between the two processes, ensuring the overall efficiency of photosynthesis.

1. Light-Dependent Reactions: These reactions occur in the thylakoid membranes of the chloroplasts and convert light energy into chemical energy. During this process, light energy is absorbed by chlorophyll and other pigments, leading to the generation of ATP and NADPH.

2. ATP Generation: The absorbed light energy is used to power the electron transport chain, which pumps protons across the thylakoid membrane, creating a proton gradient. The flow of protons back across the membrane through ATP synthase generates ATP from ADP and inorganic phosphate.

3. NADPH Generation: Simultaneously, the energized electrons from the electron transport chain are transferred to NADP+, reducing it to NADPH. This process requires the input of high-energy electrons and protons.

4. Light-Independent Reactions (Calvin Cycle): ATP and NADPH generated during the light-dependent reactions are utilized in the stroma of the chloroplasts to fuel the Calvin cycle. Here, carbon dioxide is fixed and converted into glucose through a series of enzymatic reactions.

5. ATP Utilization: ATP provides the necessary energy to power the various enzyme-catalyzed reactions in the Calvin cycle. It is used to drive the carboxylation of ribulose bisphosphate (RuBP), the regeneration of RuBP, and other key steps in the cycle.

6. NADPH Utilization: NADPH functions as a reducing agent in the Calvin cycle, providing the necessary high-energy electrons to convert carbon dioxide into glucose. It acts as a source of electrons in the reduction of 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P).

7. Recycling of ADP, NADP+, and Pi: As ATP is hydrolyzed to ADP and inorganic phosphate (Pi) during the Calvin cycle, ADP and Pi are regenerated in the light-dependent reactions. Similarly, NADP+ is regenerated from NADPH.

8. Continuous Cycle: The production of ATP and NADPH in the light-dependent reactions and their utilization in the light-independent reactions create a continuous cycle, ensuring the flow of energy and reducing power required for photosynthesis.

In summary, ATP and NADPH act as energy and reducing power carriers, respectively, connecting the light-dependent reactions that capture light energy with the light-independent reactions that utilize this energy to produce glucose. Their continuous generation and utilization ensure the efficiency and functionality of photosynthesis.

For more such questions on molecules, click on:

https://brainly.com/question/20532679

#SPJ8

According to Duckworth, when combined with talent, grit is the "key ingredient" that results in skill. Grit is the combination of passion and perseverance for long-term goals. It is sticking to your future, day in and day out, not just for a week, month, or year, but for years, and working hard to make that future a reality.

The idea of grit is a recent development in psychology. Angela Duckworth, a psychologist at the University of Pennsylvania, has defined the idea of grit and how it is a key element in personal success. According to her research, when combined with talent, grit is the key ingredient that leads to skill.

For more such questions on Grit

https://brainly.com/question/16173882

#SPJ8

Answer:

Traits are determined by genes. A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins.

The option that lists the levels of the biosphere that are broader than the community is "biome, ecosystem."

In the hierarchy of the ecological organization, the community refers to the assemblage of different species that interact and coexist within a specific area. It represents the interactions among populations within a defined habitat. The community level focuses on the relationships between different species and their interactions.

Moving up the hierarchy, the next broader level is the ecosystem, which includes not only the community but also the physical environment in which the organisms live.

An ecosystem encompasses the biotic (living) and abiotic (non-living) components and their interactions within a particular area. It includes the community of organisms along with the physical factors such as climate, soil, water, and nutrient availability.

Above the ecosystem level, the next broader level is the biome, which refers to large-scale geographical areas characterized by distinct climate patterns, vegetation types, and ecological characteristics.

Biomes are broad categories that encompass multiple ecosystems sharing similar environmental conditions and supporting similar types of communities.

Therefore, the correct option is "biome, ecosystem," as it accurately represents the levels of the biosphere broader than the community.

For more such answers on biosphere

https://brainly.com/question/13217040

#SPJ8

Answer:

C

Explanation:

Those species would have the greatest competition that have a common food source or feed on the same type of animal.

Organisms from different species compete for resources which is also called interspecies competition. For example, sharks, dolphins, and seabirds often eat the same type of fish in ocean which leads to Competition between them. So those animals that eat same type of food have greatest competition.

So we can conclude that those species would have the greatest competition that have a common food source or feed on the same type of animal.

Learn more about competition here: https://brainly.com/question/1601151

#SPJ1

Answer:

1mile = 5280ft

3miles = 3x5280 = 15840ft

Answer:

the answer is 15840 feets

Answer:

HUH? I THINK THIS IS HAVE NO IDEA IN ANSWER CAUSE THE QUESTION IS NOT INCLUDED

Pedigrees can be used to know the inheritance pattern of some genes. In these cases, 1) is a recessive trait 2) is a dominant trait 3) unkown

A Pedigree is the representation of a family's history. This graph is used to track a trait through different generations, and analyze the inheritance pattern of a particular gene and its expression.

It is a tool used to understand how genes are transmitted from the parental generation to the descendants, and what are the probabilities of  inheriting them.

Pedigree interpretation.

→ Individuals are represented with geometrical figures.

→ Males are squares

→ Females are circles

→ Healthy/normal/not affected  individuals are represented with empty figures

→ Affected/mutated individuals are represented with solid black figures

→ Each file is represented with a roman number, indicating the Generation.

Case 1

this is a case of a recessive trait.

Both parents are normal, but they have an affected child. Parents must be heterozygous and transmitted the recessive trait to the affected girl.

Case 2

this is a case of a dominant trait.

Both parents are affected, and seem to be heterozygous. They transmitted the recessive trait to all their children

Case 3

In this case we can not tell if the affection is recessive or dominant. This is unkown.

You can learn more about pedigrees at

https://brainly.com/question/19516649

#SPJ1

Through enticing headlines, a misunderstanding of a fake piece of information can be born about the Atlanta forest​.

Fake news is information that is incorrect or misleading and is presented as news. Fake news is frequently intended to harm a person's or entity's reputation or to profit from advertising income.

The Atlanta forest is made up of many forested zones that are currently being proposed as an official national park.

Learn more about  Atlanta Forest here:

https://brainly.com/question/24165509

#SPJ1