CAN SOMEONE ANSWER THIS REALLY FAST

Answer:

it's either be or see because it's more soluble with water the sense the Arctic Ocean is you know near the Arctic which would be like more North Pole and it be really cold and Frozen it's more contact with just normal water so I'm pretty sure the North Atlantic Ocean so c

Answer:

1. Epiphyllous is anything that is growing on the surface of the leaf or get attached to it of any other plant. ... In this, the stamen gets attached to the part of the flower of some other plant as an adhesion of stamen. Explanation: In other words, Epiphyllous stamen are the Filaments fused with tepals.

2. In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen. Staminodes are frequently inconspicuous and stamen-like, usually occurring at the inner whorl of the flower, but are also sometimes long enough to protrude from the corolla.

Explanation:

pls mark me brainless

Answer:

His studies focus on the evolution of cis-regulatory elements in the regulation of gene expression in the context of biological development, using Drosophila as a model system.

Answer: His studies focus on the evolution of cis-regulatory elements in the regulation of gene expression in the context of biological development, using Drosophila as a model system.

Explanation:

Answer:

Natural Selection & Fitness

Explanation:

Horses have evolved to run as fast as possible because they are prey animals.

The hooves give advantages to the predecessors to the modern horse rather than the foot-bearing horses.

Thus when somebody inevitably becomes a snack, the hoof bearing horses lived longer. (Natural selection)

Because they've lived longer, they've had more babies. (Fitness)

Their babies are more likely to pass on the genes they've inherited from their successful parents, and the population of hooved-horses begins to exceed the population of footed-horses.

In this circumstance, all the footed-horses are gone. The population has evolved.

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PS: here's a source! https://www.amnh.org/exhibitions/horse/the-evolution-of-horses/on-your-toes#:~:text=Hooves%20and%20long%20legs%20help,many%20horses%20retained%20three%20toes.

Answer:

As an embryo develops, identical cells give rise to specialized cells that perform different functions.

Explanation:

As an embryo develops, the cells divide, giving new ones. As the cells grow and continue to reproduce themselves, they differentiate, becoming specialized cells. These cells will be located in a particular part of the embryo and will perform a specific function. The shape, size, and organelles vary according to their role.

Answer:

Food is much harder to find the farther up the food chain you go. Toxins and chemicals accumulate in the bodies of everything that was eaten by the food that you eat. Toxins and chemicals bind to the tissue of larger animals better than smaller ones.

Answer:

Explanation:

Toxins accumulate in the bodies of everything that was previously eaten.

Answer: G. Horses slowly developed over time

Explanation:

Answer:

Variation occurs in species with the genes resulting in the traits and physical characteristics that make it possible for them to be among the fittest for a number of reasons:

1. Mutation

2. Recombination and

3. Migration

Explanation:

Mutations:  A mutation is a deviation from the norm in a DNA sequence. It can be stimulated by errors during the DNA replication process which happens as the cell is dividing, or by exposure to ionizing radiation, chemicals, or viral infection (whether artificial or natural).

It is noteworthy that naturally, without any human intervention, the possibility of a spontaneous mutation is very low.

Recombination: This refers to the creation of new fusion of genes in the offspring that did not occur in the parents by the processes of crossing-over and independent assortment. Independent assortment meaning that the allele the gamete received for one gene was not influenced by the allele received for another gene.

Migration: Variation by migration here refers to the introduction of new genes from into one population by another. This could happen when a new population arrives at an existing one or when an existing one migrates to another population.

We can say for example that, genes from Americans have “migrated” into the population of African origin in America given the continuous immigration of Africans into America.

So in both populations, there are very fit species, but when their genes are mixed during cross-reproduction, variation arises.

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Answer:

A. erosion of sediment by runoff

Explanation:

The formation of sinkholes involves natural processes of erosion or gradual removal of slightly soluble bedrock (such as limestone) by percolating water, the collapse of a cave roof, or a lowering of the water table. Sinkholes often form through the process of suffosion.

Answer:

A sinkhole is a hole in the ground that forms when water dissolves surface rock. Often, this surface rock is limestone, which is easily eroded, or worn away, by the movement of water. ... Water collects in these collapsed sections, forming sinkholes. Sinkholes also form when the roofs of caves collapse.

Answer:

It transport oxygen from lungs to the cells.

Explanation:

The presence of iron in our body is very important for this process because iron is responsible for the transportation of oxygen. Hemoglobin is made up of iron that takes oxygen from the lungs to each and every cell. Iron is an essential element for the formation of blood in human body. About 70 percent of body's iron is found in the red blood cells of our blood called hemoglobin and in the muscle cells called myoglobin. So we can say that iron is very important for the release of energy in the process of respiration.

Explanation:

The exoskeleton and molting

The success of arthropods derives in large part from the evolution of their unique, nonliving, organic, jointed exoskeleton (see figure), which not only functions in support but also provides protection and, with the muscle system, contributes to efficient locomotion. The exoskeleton is composed of a thin, outer protein layer, the epicuticle, and a thick, inner, chitin–protein layer, the procuticle. In most terrestrial arthropods, such as insects and spiders, the epicuticle contains waxes that aid in reducing evaporative water loss. The procuticle consists of an outer exocuticle and an inner endocuticle. In the exocuticle there is cross-bonding of the chitin–protein chains (tanning), which provides additional strength to the skeletal material. The hardness of various parts of the exoskeleton in different arthropods is related to the thickness and degree of tanning of the exocuticle. In crustaceans, additional rigidity is achieved by having the exoskeleton impregnated with varying amounts of calcium carbonate.

arthropod integument

arthropod integument

Diagrammatic section through the arthropod integument.

Encyclopædia Britannica, Inc.

The formation of an exoskeleton required the simultaneous solution of two functional problems in the evolution of arthropods: If the animal is encased in a rigid covering, how can it grow and how can it move? The problem of growth is solved in arthropods by molting, or ecdysis, the periodic shedding of the old exoskeleton. The underlying cells release enzymes that digest the base of the old exoskeleton (much of the endocuticle) and then secrete a new exoskeleton beneath the old one. At the time of actual shedding, the old skeleton splits along specific lines characteristic of the group, and the animal pulls out of the old skeleton as from a suit of clothes. The old skeleton is usually abandoned but in some species is eaten. The new exoskeleton, which is soft and flexible, is then stretched by localized, elevated blood pressure augmented by the intake of water or air. Hardening occurs by stretching and especially by tanning within a number of hours of molting. In crustaceans, calcium carbonate is deposited into the new procuticle. (Soft-shell crabs are simply newly molted crabs.) Additional endocuticle may be added to the exoskeleton for some days or weeks following molting.

molting

molting

Grasshopper shedding its exoskeleton.

© Cathy Keifer/Dreamstime.com

Molting is under hormonal control, and there is a long preparatory phase that precedes the process. The steroid hormone ecdysone, secreted by specific endocrine centres and circulated in the blood, is the direct initiator of molting. The actual timing of a molt, however, is regulated by other hormones and commonly by environmental factors. The interval between molts is called an instar. Because of the frequency of molts, instars are short early in life but grow longer with increasing age. Some arthropods, such as most spiders and insects, stop molting when they reach sexual maturity; others, like lobsters and crabs, molt throughout their lives. Most of the larger spiders of temperate regions, for example, molt about 10 times before reaching sexual maturity. As a result of molting, the length and volume of an arthropod display steplike increases over the life span, but internal tissue growth is continual as in other animals.

Loss of a limb is a common hazard in the life of many arthropods. Indeed, some arthropods, such as crabs, are capable of amputating an appendage if it is seized by a predator. The limb is then regenerated from a small, nipplelike rudiment formed at the site of the lost limb. The new limb develops beneath the old exoskeleton during the premolt period and then appears when the animal molts.

Answer:

Three layers

Explanation:

Outer= Composed of proteins and lipids. Repels water and prevents desiccation in terrestrial places.

Middler=Provides primary protection

Inner=Flexibke at joints, muscles attach here.

High CO2 levels cause plants to thicken their leave ,which could worsen climate change effect researchers says.

plant scientists observed that when CO2 levels increase in the atmosphere most plants do unusual , they thicker their leave

germination increase in high temperature up to the point

Increased CO2 levels and temperatures affect plant growth by bringing about a corresponding increase.

This the process in which plants manufacture their food through the presence of sunlight.

other compounds such as CO2 and water are used which is why increase in the CO2 levels and temperatures will increase the growth of plants.

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Plants use carbon dioxide in the atmosphere during photosynthesis, herbivores eat the plants, and a carnivore eats an herbivore.

Carbondioxide gas move from atmosphere to the biosphere by absorbing by the plants in the process of photosynthesis. These plants are the food of herbivores so they eat it and carbon move from plant to herbivore. Then the carnivore feed on the herbivore.

So we can conclude that option A is the right answer.

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Answer:

Ozone molecules in the stratosphere are constantly being produced and destroyed by different types of UV radiation from the sun. ... However, scientists have discovered that certain chemicals react with UV radiation in the stratosphere, which causes them to break apart and release chlorine or bromine atoms.

Explanation:

Answer:

option a is right answer

Explanation:

velocity= displacement/ time

Answer:

Explanation:

I dont get the question its just a chart

Answer:

c

Explanation:

it uses percentages, like 50% Aa, 25% aa and 25% AA

es la A

Hace aproximadamente 250 millones de años ocurrió la extinción masiva del Pérmico-Triásico, un evento en el cual murieron hasta el 96 por ciento de las especies marinas y un porcentaje similar de las terrestres. Cerca de tres millones de años después se produjo la separación, a partir de un ancestro en común, de los linajes que con el tiempo darían origen a las aves y los cocodrilos. El grupo que incluye tanto a cocodrilos como aves se lo denomina Archosauria, que significa ‘reptiles dominantes’.

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Answer:

The correct answer is 4. Plateaus.

Explanation:

A plateau is a relatively flat, relatively high-lying part of the earth's surface that is wholly or almost wholly bounded by steeply sloping terrains. There is a pronounced slope on at least one side. The original flat area has mostly risen vertically as a whole due to geological factors. It may possibly have been cut by rivers, giving the impression of a hill or mountain landscape, but this is not it.

Answer:

1. Mountains

Explanation:

Answer:

C

Explanation:

because the human population is constantly rising and it has become a problem because we are using up our resources. linear means it stays the same. slowing means it's going down more than up and exponential means it is continuously going up

Answer:

It occurs because of the difference in temperature between the ocean and the land.  

This happens because the land heats up faster than the water, causing the air to rise above the land and allowing cooler air from the ocean to move in and take its place.

Because land and water have different capacities for holding heat, the land will heat up more quickly than the water on a hot day near the ocean. As a direct consequence of this, the air that floats above land tends to become warmer and less dense than the air that floats above water. Because of this, a region of low pressure is created over the land, while a region of high pressure is created over the water. In order to maintain a natural equilibrium, air will always move from areas of higher pressure to areas of lower pressure.

A breeze or wind that blows from the water to the land is caused by the air that is cooler and denser over the water moving towards the air that is warmer and less dense over the land. This phenomenon, which is referred to as a sea breeze, can assist in moderating temperatures on land, thereby making it feel more bearable and pleasant to be there.

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Answer:

Human use of land has negative impacts. Human activities contribute to the erosion and pollution of beaches. ... More of the rainwater runs off leading to increased erosion and drier soil. Deforestation of land can also lead to desertification and a loss of biodiversity.The burning of fossil fuels and the growth of animal agriculture has led to large amounts of greenhouse gases (such as carbon dioxide and methane) in the atmosphere. Higher concentrations of greenhouse gases trap more heat in the biosphere and result in global warming. In turn, this drives climate change.Humans affect the quality, availability, and distribution of Earth's water through the modification of streams, lakes, and groundwater . ... The activities of humans have significantly altered the biosphere , changing or destroying natural habitats and causing the extinction of many living species.

Explanation: (:

Answer:

option (C) is your answer

I hope it's helps you

Answer:

C.

Explanation:

I am so sorry if I'm the wrong answer.

Answer:

B.The clownfish living in a sea anemone

Explanation:

It's a relationship between two organisms where one benefits and the other gains neither harm nor benefit

Answer:

D. Moss growing higher on a tree to gain nutrients and sunlight.

Explanation:

I just had this question.

Answer:

You multiply 0.5 by 20 which will give you 10 your answer is 10

the speed of a wave with a wavelength of 0.5 m and a frequency of 20 Hz  is 10

Speed can be referred  as the ratio of distance to the time in which the distance was covered which is a scalar quantity as it has only direction and no magnitude.

The speed is represented as s=d/t, Where, s is the speed in m.s-1, d is the distance traveled in m, t is the time taken in s

There are four types of speed like Uniform speed, Variable speed, Average speed, Instantaneous speed

Uniform speed is where the object covers equal distance at equal interval of time, variable speed is defined as when the object covers a different distance at equal intervals of times.

Instantaneous speed is defined as an object is moving with variable speed, then the speed at any instant of time is known as instantaneous speed.

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