Please answer will mark brainiest!

Answer and Explanation:

The brain is composed of three main structures, the cerebrum, cerebellum, and brain stem. The brain sends chemical and electrical signals throughout the body to regulate different biological functions and sense environmental changes. The brain communicates with the majority of the body through the spinal cord.

Answer:

single-cell creatures that scientists believe were instrumental in the development of evolution

small sea crustaceans from the order of macroplankton of about 20-200 millimeters that are visible with the naked eye

Answer:

Un-paraphrased, according to alokamedicare.in, "What are the strengths and limitations to a basic protein." Protien helps support strong bodies.

Answer:

because the ovum is made to fertilize only a sperm at a time, once a sperm enters it closes. It then divides to form twins, triplets and so on

The two tasks that are carried out by the brain are detecting stimuli in the environment and processing sensory information.

The correct options to the given question are option a & c.

The brain is responsible for various functions in the body, including detecting stimuli in the environment and processing sensory information. These are crucial tasks that help individuals interact with the environment and respond appropriately to changes.The brain detects stimuli through sensory receptors that are located throughout the body. These receptors are specialized cells that respond to different types of stimuli, such as light, sound, and touch. When these receptors detect a stimulus, they send a signal to the brain, which then processes the information and initiates a response.

Detecting stimuli is a vital task that allows individuals to react appropriately to changes in their environment. For example, if someone sees a car coming towards them, their brain detects the visual stimulus and sends a signal to the muscles to move out of the way.Processing sensory information is another critical task carried out by the brain. The brain receives information from the sensory receptors, processes it, and integrates it with other information to create a complete picture of the environment.

For example, when someone hears a sound, their brain processes the sound and integrates it with other sensory information to determine the source of the sound and whether it poses a threat.Thus, the two tasks carried out by the brain are detecting stimuli in the environment and processing sensory information.

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Answer: HERE

Explanation:

Answer:

India's three vulture species saw an unprecedented decline of 97 to 99.9 percent between 1992 and 2007 owing to ingesting diclofenac through cattle carcasses. The near extinction of this efficient scavenger is linked to spread of zoonotic diseases and increased incidence of rabies.Feb 5, 2018

Explanation:

I hope this helps

Answer: higher velocity right after pitching

Explanation:

Answer: Catalyst. Any molecule that will increase the rate of a chemical reaction, does not participate directly in the reaction and therefore is reusable, and does not supply the energy for the reaction (heat or ATP does). Enzymes work on one reactant, called a. Substrate.

Explanation:

Hope this helps.

Have a good night ma´am/sir.

Be safe!

"Enzymes are organic catalysts" refers to the fact that enzymes are an organic class of biological molecule that act as catalysts in chemical reactions.

Catalysts are compounds that speed up chemical reactions without being consumed or changed in any way. In living organisms, enzymes are essential for many biochemical processes, including the breakdown of food during digestion, the synthesis of molecules, and the facilitation of cellular processes. Enzymes help maintain vital biochemical processes, maintaining the fundamental activities of life, by reducing the activation energy required for a reaction.

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The Law of Independent Assortment states that during a dihybrid cross (crossing of two pairs of traits), an assortment of each pair of traits is independent of the other.

Explanation:

Answer:

measurable and observable

Explanation:

The image represents air masses colliding with each other, leading to rapid changes in weather conditions.

The image represents the process of rapid changes in weather conditions occurring. The arrows in the image indicate various elements and phenomena related to these changes.

At the top, the final answer is that the image represents "Air masses are colliding with each other."

1. The arrow labeled "Direction of frontal movement" points right toward the "Cold front" map symbol. This indicates the movement of a cold front.

2. The arrow labeled "Rising warm air in front of cold front" points from the cold front upward into the sky. This signifies the upward movement of warm air.

3. The image also shows the development of clouds due to the upward movement of warm air. This indicates the presence of moisture in the atmosphere.

4. Finally, the image depicts advancing cold air behind the cold front, indicated by an arrow. This cold air is moving in the direction of the warm air.

Putting all these elements together, we can conclude that the image represents air masses colliding with each other. The cold front is advancing and pushing against the warm air, leading to the formation of clouds and changes in weather conditions. This collision between air masses often results in rapid changes in weather patterns, such as storms, rain, or temperature fluctuations.

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Answer:

D

Explanation:

To affect muscle activity

Answer:

pretty sure its c

Explanation:

Examples of mechanical wear are rutting and scalping. Mechanical wear is the breaking or loss of a surface caused by physical forces. Wear occurs when heavy equipment or cars are used on the ground surface, leaving behind grooves.

Wear can lead to other problems, such as compacted soil and less water going into the soil. On the other hand, flaking is the loss of dirt, which is usually caused by sharp tools or blades on machines or vehicles. This can result in soil compaction, which may be less fertile or have a different texture or structure than the topsoil due to erosion and other problems.

Furrowing and scalping are two practices that should be considered in land control and preservation, as both can harm soil health, plant growth, and ecosystem functioning.

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The statement that is true is Mark's measurement is more precise. Option A

If we look at the main measurement of the pencil which is 15.1cm, we can see that Nancy's measurements are somewhat more varied (15.1, 15.2, and 15.2 cm). Nancy's measurements add to the measurement. More so, given that 2 is less than 5, it may not make as more difference in the grand scheme of things if the number was to be rounded off.

But when we look at Mark's measurement, they seem more consistent (all close to 15.0 cm with just one at 15.1 cm). This demonstrates that Mark's measurements are more accurate. However, the accuracy (closeness to the genuine value of 15.1 cm) of Mark's measurements is not necessarily better, as both sets of measurements include results that are near to the correct value.

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Answer:

leukemia is cancer of body's blood forming tissue, including the bone marrow and lymphatic system.

its symptoms is fever and chills.

hope it helps.

Answer:

C.

Explanation:

Since there are more of an outcome of black spores it would make sense that this trait is dominant.

White spores seem to be recessive in this case too.

I also suspect the parents are both heterozygous. They both carry one trait for black and one for white.

Hopefully this is correct. Have a great day.

Answer:

B. The trait for spore color is determined by more than one gene.

Explanation:

Took the test.

Answer: Lakes and freshwater rivers

Explanation: While about 96.5 percent of Earth's water is salt water found in oceans and seas, there are freshwater sources that make up a small percentage of Earth's water.  Freshwater is essential for life and is found in lakes, rivers, and underground aquifers.

Lakes are large bodies of freshwater that are surrounded by land.  They can vary in size, from small ponds to massive lakes like the Great Lakes in North America.  These freshwater sources are replenished by precipitation, such as rain and snowmelt, and are often home to diverse ecosystems.

Freshwater rivers are flowing bodies of water that carry freshwater from higher elevations to lower elevations.  They are essential for providing water to plants, animals, and human communities.  Rivers are often used for transportation, agriculture, and as a source of drinking water.

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Answer:

so? what is the question in here? BTW dominant one is capital.

Answer:

They reproduce so quickly and largely to occupy the areasb)They spread everywhere in Australia c)They produce poison component in skin which cause native species dead. For example, the steroids, which affect heart muscles, will kills the western native cats in 20 minutesd)They do not have natural enemies e)People think cane toads are petsf)Anything that moved and smaller than cane toad was potential prey2. Describe what might happen to the ecosystem where the toads invade.a)Because the cane grub and beetle cannot satisfy their requirement of food, they eat everything, the ecosystem will damageb)They live in the people’s garden and house, which influences people’s daily lifec)The gland is poisonous, which causes people dead, especially for babies and young childrend)They will hurt people’s eyese)They need native animals

Explanation:

HOPE IT HELPS :D

Answer: m <- that's the answer

Explanation:

Answer:

Although people living in low latitudes have high levels of eumelanin, this pigment can be found in people around the world (because it is predominant in people with brunette hair)

Explanation:

In animals and humans, melanin pigments play key roles in eye, hair, and skin coloration. Basically, there are three main types of melanin pigments: eumelanin (brown-black and insoluble), pheomelanin (yellow-red and soluble in alkali solution) and neuromelanin (found in some parts of the brain). Eumelanin is predominant in black people and brunette hair people, this being consequently found around the world. There are two distinct classes of eumelanin: black eumelanin and brown eumelanin, which differ in their patterns of polymeric bonds, and they have an incidence on the type of coloration (e.g., black eumelanin is found in people with grey hair).

Answer:

true is the correct answer

Answer:

true is the correct answer

Explanation:

I don't know

In the example, molecules will move from the more concentrated side of the membrane to the other side until they reach equilibrium. Once in equilibrium, molecules will keep crossing the membrane, but concentrations will remain equilibrated.

Diffusion is a pathway for some small polar hydrophilic molecules that can freely move through momentary openings in the membrane that are formed as a result of lipids movements.

Simple diffusion depends on the substances' sizes and their concentration on each side of the membrane.

The membrane is selectively permeable because it only lets small substances move through it, with no protein mediating their passage.

A membrane's permeability depends on the size of the molecule, the bigger the molecule is, the less capacity to cross the membrane it has.

Diffusion is a very slow process and to be efficient requires short distances and pronounced concentration gradients. This is a passive transport process because the cell does not need any energy to make it happen.

An example of diffusion is osmosis where water is the transported molecule.

Diffusion is a process that occurs continuously. This means that even when the concentration of the molecule is equal on both sides of the membrane, molecules will still move from one side to the other. However, this movement will not break the equilibrium once it is reached.

In the exposed example, we can see there is a difference in concentration between both sides of the membrane.

What will happen here is that molecules will move from the more concentrated side of the membrane to the less concentrated one until they reach equilibrium. In other words, diffusion will occur until concentrations are equal at both sides of the membrane.

Once these molecules find equilibrium, they will keep moving, but keep the same equilibrated state.

Note: I did not find the options, so you should check them a select the correct one according to this framework.

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Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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Continental crust, Oceanic Crust,  Lithospheric Plate The age of material on a tectonic plate depends in part on what type of crust it is composed .

What is Oceanic Crust?

Oceanic crust is the outermost layer of the Earth's lithosphere which forms the ocean floor. It is composed of mafic igneous rocks such as basalt and gabbro. It is typically 5 to 10 km thick and is the youngest layer of the Earth's lithosphere.

Oceanic crust is formed by seafloor spreading at mid-ocean ridges, which occur when two tectonic plates are pulling apart from each other. This causes molten material from the mantle to rise up and cool, forming new oceanic crust. The newly formed crust then moves away from the mid-ocean ridge in both directions, forming a diverging boundary. As it moves away from the ridge, the oceanic crust cools and becomes denser and denser.

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Breed this animal with a homozygous long hairless partner and look for offspring with short hair.

The gene favoring short hair is prevalent in guinea pigs. One of the breeds with a rough coat is the Rex guinea pig. Guard hairs provide their coat a fuzzy feel, but they lack guard hairs. The correct response is therefore to breed this animal with a homozygous long hairless partner and look for offspring with short hair. Despite having a dense coat, their hairs are only approximately 1 cm height at their longest. The Rex is renowned for its large head and enormous, drooping ears. Black coat colour in guinea pigs is a dominant characteristic, while white is a weak one. Importantly, both the slim and Robust guinea pigs exhibit hairlessness, which is a recessive feature for the purposes of this paper. For an animal to be hairless, the recessive gene must be inherited twice. There will always be more hairless guinea pigs produced when mating two hairless parents together.

(In guinea pigs, short coat is dominant to long. if a breeder wants to ensure that the short-haired guinea pig he has is homozygous for the hair length trait and could not afford genetic testing, which of the following plans would be the best possible choice to give him this information?

A.  Breed the animal with one that is homozygous for long hairless and watch for long hair offspring.

B. Breed the animal with one that is heterozygous for short hair and watch for long hair offspring.

C. Breed the animal with one that is heterozygous for short hair and watch for short hair offspring.

D.  Breed the animal with one that is homozygous for long hairless and watch for short hair offspring.)

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Answer:

maybe 0

....

hope it helps

(a)The parents' genotypes are RRGg. (c,d)The possible male and female gametes are RG and Rg. (b,e)The phenotypic ratio of the potential offsprings is Red flowers, green seeds : Red flowers, yellow seeds = 3 : 1.

Male genotype: RRGg, male gametes: RG, Rg

Female genotype: RRGg, female gametes: RG, Rg

After crossing, the possible genotypes of the offsprings are: RRGG (Red flower, green seeds), RRGg (Red flower, green seeds), RRgg (Red flower, yellow seeds) since Red flower is dominant over white flower and green seed is dominant over yellow seed.

Hence, the phenotypic ratio is:

Red flower, green seeds : Red flower yellow seeds = 3 : 1

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