Hello people ~
Point out the odd one

a) nucellus
b) embryo sac
c) micropyle
d) pollen grain
​

Answer:

i can’t see the answer choices

Explanation:

Answer:

polar

Explanation:

water is polar molecule

ANSWER:

C. Cactus to Kangaroo Rat to Rattlesnake to Hawk to Fungus

EXPLANATION

Living organisms in an ecosystem obtain energy by feeding on one another. As one organisms feeds on the other, ENERGY FLOWS. However, the flow of energy is UNIDIRECTIONAL. The flow of energy is represented by a FOOD CHAIN where the arrow signals which organism is feeding on which.

According to this question, a typical example of energy flow in a terrestrial ecosystem is as follows:

Cactus → Kangaroo rat → Rattlesnake → Hawk → Fungus

In the above food chain, energy flows as cactus plant (producer) is fed on by kangaroo rat (primary consumer), which is fed on by rattlesnake (secondary consumer), which is fed on by hawk (tertiary consumer). Hawk is decomposed by fungi (decomposer) when it dies. Energy flows in this direction.

Hence, an example of the way energy flows in an ecosystem is represented by Cactus to Kangaroo Rat to Rattlesnake to Hawk to Fungus

Explanation:

to be able to have sexual reproduction

Answer:

OK

Explanation:

The M phase checkpoint is a crucial point in the cell division cycle or mitosis, as it is the point where all chromosomes must be attached to the mitotic spindle. If this is not the case, then the cells will be arrested at the metaphase stage.

Correct option is D.

Metaphase is the stage of the mitotic cycle where all of the chromosomes have lined up along the equatorial plane of the cell and have become attached to the spindle fibers. When all of the chromosomes have not become attached to the spindle, the cell will pause at the metaphase stage and not proceed to the next stage of the mitosis cycle.

This is an important step in the cell division process, as it ensures that all chromosomes will be properly distributed between daughter cells. If the chromosomes are not properly attached to the mitotic spindle, this could lead to aneuploidy, or an unequal number of chromosomes in the daughter cells. This can lead to a range of genetic defects or even cell death.

Correct option is D.

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Answer:

Potts

Explanation:

Answer:

a

Explanation:

To calculate the net cash flow from operating activities using the indirect method, we need to adjust the reported net income by adding back non-cash expenses such as depreciation and patent amortization and subtracting non-operating expenses like the loss on the sale of equipment.

Starting with the reported net income of $201,900, we add back the depreciation expense of $44,500 and the patent amortization of $14,750, giving us a total of $261,150.

Next, we subtract the loss on the sale of equipment of $6,900, giving us a final net cash flow from operating activities of $254,250.

Therefore, the company's net cash flow from operating activities using the indirect method is $254,250.
To calculate the company's net cash flow from operating activities using the indirect method, follow these steps:

1. Start with the reported net income of $201,900.
2. Add back the depreciation expense of $44,500, as it is a non-cash expense.
3. Add back the patent amortization of $14,750, as it is also a non-cash expense.
4. Add back the $6,900 loss on the sale of equipment, as it is a non-operating activity.

Now, let's perform the calculations:

$201,900 (net income) + $44,500 (depreciation) + $14,750 (patent amortization) + $6,900 (loss on sale of equipment) = $268,050

The company's net cash flow from operating activities using the indirect method is $268,050.

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Answer:

The heart, blood cells and blood vessels

Explanation:

Satellites are placed in the thermosphere because the temperature of the thermosphere can attain almost 2,000 stages Celcius (3,632 degrees Fahrenheit), there aren't enough fuel molecules to transfer the heat to materials, which is why astronauts and the distance Station do not soften.

No natural objects are determined in the thermosphere other than an occasional meteorite passing thru. but, many satellites may be observed in the thermosphere, particularly a number of the ones in low-earth orbit as well as parts of these especially elliptical orbits.

Radiation reasons the air particles in this layer to end up electrically charged, allowing radio waves to dance off and be obtained past the horizon. The few molecules which can be present in the thermosphere get hold of splendid quantities of electricity from the solar, inflicting the layer to heat to high temperatures.

Many satellites orbit within the thermosphere and changes within the density of air at orbital altitudes, introduced by using heating and expansion of the thermosphere, generates a drag force on satellites.

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Answer:

The International Geophysical Year (IGY) was prompted by a lack of concise data about Earth and its land, oceans, and atmosphere. Post-World War II technology had become available to launch a worldwide research effort to solve questions concerning the physical processes, patterns, and cycles of the forces of nature—the geophysics of the earth. During the IGY, global cooperative research expanded knowledge of Earth itself, the lower and upper atmosphere, the oceans, the polar regions, and near space, where the first satellites orbited successfully.

Through the nineteenth century marine and polar exploration had highlighted the earth as a natural laboratory for research and brought new emphasis to the development of modern Earth sciences—geology, meteorology, and oceanography. The mystery of the polar regions stimulated the first cooperative, multinational scientific effort, the International Polar Year (1882-1883), but it was hardly international and consisted of failed expeditions. The world's scientific community tried again during the Depression, but many countries could not honor their commitments. The end of World War II, however, brought a new technological age.

Explanation:

Answer:

Water is an important external factor that triggers the process of germination. The seeds absorb the moisture and swells up. Then the hydrolytic enzymes become active which will break down the reserve food materials so as to make it available for the growth of embryo resulting in the germination.

Explanation:

water is essential for the process of seed germination because it helps by providing necessary hydration for the vital activities for protoplasm, provide dissolved oxygen for the growing embryo softens the coats and increase the seed permeability

Answer:

IV The cell is the basic unit of structure in all organisms

Explanation:

Answer:

Anaphase

Explanation:

During anaphase, the sister chromatids at the equatorial plane are split apart at the centromere.

Answer:

True

Explanation:

the way you worded the question was weird

The aquatic animal's respiratory system is different from the human respiratory system because the aquatic animals have gills while the human has lungs.

The respiratory system is one of the major systems of the body that helps in the intake of oxygen and removal of carbondioxide as waste products from the body.

The aquatic animals are those animals that live, reproduce and survive in the water while human survive in the terrestrial ecosystem.

Due to the difference in the ecosystem existing between the aquatic animals and humans, they have different respiratory system that functions differently too.

The aquatic animals possess gills which can absorb oxygen from water while the human has lungs which allows the diffuser of oxygen with release of carbon dioxide.

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The respiratory systems of aquatic animals differs from ours aquatic animals are adapted to absorb oxygen from the water they filter while we human diffuse air which is more easier and efficient

This goes to say that our respiratory system is more efficient to use than that of aquatic animals

Respiration can simply be defined as ability of living organisms to exchange of gases between itself and its environment.

There are two major types of respiration which occurs in living organisms. These are:

So therefore, the respiratory systems of aquatic animals differs from ours aquatic animals are adapted to absorb oxygen from the water they filter while we human diffuse air which is more easier and efficient

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The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes  a and b.

What are chromatids?

A chromatid is known as one of the two identical halves of a chromosome that has been replicated in preparation for cell division. There are normally  two “sister” chromatids which are joined at a constricted region of the chromosome called the centromere but during the anaphase stage of a cell division, They get torn apart and they are distributed among the cytoplasm of each daughter cell.

A vast quantity of DNA that is arranged physically into a single structure is called a "chromosome." Because of this, the "sister chromatids" are regarded as being separate chromosomes even though they are joined together. Each chromatid is thought to be its own chromosome once they are divided during anaphase.

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A common example of a solution separated by a semipermeable membrane is the process of osmosis in cells.

In this case, the semipermeable membrane is the cell membrane, which allows for the selective transport of molecules and ions in and out of the cell. If a cell is placed in a solution with a higher concentration of salt than the inside of the cell, water will flow out of the cell in an attempt to balance the concentration on both sides of the membrane. This can lead to the cell shrinking and potentially dying if the concentration gradient is too large. The opposite can also occur if the solution outside the cell has a lower concentration of salt, causing water to flow into the cell and potentially leading to it bursting.

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F1 generation refers to the first filial generation of the offspring from the parents, while F2 generation is the second filial generation of the offspring, generated through the inbreeding of F1 individuals. The F1 generation results from cross-pollination of two-parent (P) plants and contained all purple flowers. The F2 generation results from the self-pollination of F1 plants and contained 75% purple flowers and 25% white flowers. This type of experiment is known as a monohybrid cross.

Answer:

Explanation:

b

Answer:

1)High blood pressure:

Blood pressure is the measurement of how much force is used to pump blood through your arteries. If you have high blood pressure, also called hypertension, it means the force is higher than it should be. High blood pressure can damage your heart and lead to heart disease, stroke, or kidney disease.

There are no symptoms with high blood pressure, which is why it’s often called “the silent killer

2)Heart attacks:

A heart attack occurs when not enough blood reaches your heart. This can happen due to artery blockage. Heart attacks damage the heart muscle and are medical emergencies.

Call 911 or have someone else call if you have symptoms such as:

pain in the center or left side of the chest that feels like mild or severe discomfort, pressure, fullness, or squeezing

pain that radiates from the jaw, shoulder, arm, or across the back

shortness of breath

sweating

nausea

irregular heartbeat

unconsciousness

Women often experience heart attacks a little differently, with pressure or aching in their back and chest.

3)Atherosclerosis and coronary artery disease:

Atherosclerosis, also known as hardening of the arteries, occurs when plaque builds up on the walls of your arteries and eventually blocks blood flow. Plaque is made of cholesterol, fat, and calcium.

Coronary artery disease indicates that the plaque buildup in your arteries has caused the arteries to narrow and harden. Blood clots can further block the arteries.

Coronary artery disease develops over time. You can have it but not be aware of any symptoms. Other times, it may cause chest pain or the sensation of heaviness in the chest.

The larynx in the human body is also called as Voice Box.

The larynx is a hollow tube which is connected to the pharynx, also called throat which is in turn connected to the whole body. Larynx helps to swallow smoothly and it also contains vocal chords. These vocal chords vibrate which helps humans to speak through voice created by the vibrations.

Furthermore, larynx is also involved in other functions such as breathing, producing sound and protecting the trachea. This larynx contains three parts in its cavity called as vestibule, the middle, and the infraglottic space. Vestibule is the upper portion of the cavity followed by the middle and infraglottic space.

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Answer:

Somatic; germ

Answer:

In mono-culture cultivation, a specific animal or plant category is produced in large amounts.

Explanation:

Although it is very successful, the development of a mass amount of a living individual in a region can threaten the life of a specific substance (because the massive number of organisms eat essentially the same thing) leading to societal judgments such as the establishment of the conservation group of cattle or other protecting the environment organisation

Answer:

People could choose to practice organic farming, heirloom plants, or use GMOs. Governments could pass laws to limit the use of monoculture farming. Governments could pass laws requiring people to use alternate farming methods.

Explanation:

got it right on edge

its A, i took the test sorry for not anasewring at the right time of year, pardon me

The Population will decline over time.

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Answer:

1- study the fossils of ancient land vertebrates

Explanation:

Some scientists concluded after performing a number of experiments that the legs of modern land vertebrates evolved from the fins of ancient fish. With the passage of time evolution occurs within the body of organisms. These changes occurs due to the surrounding environmental condition of that organism. When the organisms live in water, fins were present but when they go to the land so these fins change into legs. This type of evidence is provided by the scientist after studying the remains of ancient land vertebrates.

Answer:

A

Explanation:

Mesosaurus got distributed in this pattern because of the extinction of Pangea 250 million years ago.

The genus of extinct aquatic animals known as Mesosaurus, which means middle lizard, lived in the southern hemisphere during the early Permian period. Mesosaurus fossils can be found in Africa and South America. They were separated during the 250 million-year breakup of Pangea. Strong evidence for the existence of Pangea is provided by the identical fossils found in both locations.

After early tetrapods arrived on land in the Late Devonian or later in the Paleozoic, Mesosaurus was one of the first known reptiles to return to the water. It had webbed feet, a streamlined body, and a long tail that may have supported a fin. It was about 3.3 feet long. It probably used its flexible tail and long hind legs to move through the water.

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Copy number changes is considered as genetic changes which does not lead to the formation of oncogenes.

Copy number change- The cytogenetic level of resolution, known as copy number variation (CNV), involves both duplications and deletions of sequences that generally have lengths between 1,000 base pairs and 5 megabases.

Genetic Change- Genetic mutations, which occur as our cells divide and generate duplicates of themselves, are modifications to your DNA sequence.

Base Pairs- The DNA molecule is made up of two bases (or nucleotides) that contain nitrogen. Adenine (A), cytosine (C), guanine (G), and thymine (T) are the four bases of DNA (T). These bases come in certain pairings (A with T, and G with C).

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Answer:

8/10 or Eight tenths