Which of the following is part of the central nervous system

A. brain

B. nerves

C. sensors

D. All of the above

The tendency to dissolve in water and to conduct electricity is an illustration of physical property.  

• Any salt or ionizable molecule is known as an electrolyte when dissolved in solution will provide that solution the tendency to conduct electricity. This demonstrates the physical property of the solution.  

• This takes place as when salt dissolves, its dissociated ions can freely move in solution and permit the charge to flow.  

• The formation of electrolyte solutions normally takes place when a salt is placed into a solvent like water. For example, when NaCl is placed in water, it gets dissolved into its component ions.  

Thus, electrolytes get dissolve in water and provide it with the tendency to conduct electricity. It is an example of a physical property.

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The changes in the composition of the atmosphere have a relationship between the living and nonliving components. The non-living component, such as soil, is the result of early living organisms such as bacteria, fungi, etc.

The early stage of the earth was not at all habitable, as the temperature was extremely hot and different from today. When the temperatures drop, early life forms such as microbes and prokaryotes enter the environment and alter it. Some chemosynthetic bacteria and photosynthetic bacteria come into being and gradually change the environment.

Then some early plants come and, through the processes of photosynthesis and transpiration, change the environment and make it habitable. The relationship was formed in this way by both living and non-living organisms. The soil is fertile due to the earthworm.

As the population increases, the demand from the people increases too, which leads to deforestation, forest fires, etc. This affects the climate and other species.

Hence, both living and nonliving have an effect on each other.

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Answer:

Correct. Substituting the values r = 6 and h = 13 in the formula V = r2h, you get

V =  × 62 × 13 = 468π cubic units.

Explanation:

Final answer:

Carbon is a fundamental element involved in both biotic and abiotic cycles within ecosystems. It transitions between living organisms and nonliving environmental factors through the carbon cycle. Human activities can impact these cycles by changing the balance of elements like carbon and nitrogen.

Explanation:

An element like carbon is included in both the biotic and abiotic factors of an ecosystem because of its ability to form a vast array of compounds and its role in the carbon cycle. The biotic cycle involves carbon moving between living organisms and the atmosphere through processes such as photosynthesis and respiration. In contrast, the abiotic cycle includes carbon's movement through the atmosphere, ground, and oceans, largely influenced by nonliving processes such as erosion, dissolution in water, and volcanic activity.

For example, carbon dioxide (CO2), which is an abiotic factor, is absorbed by plants (a biotic factor) during photosynthesis to produce glucose, a process that also releases oxygen into the atmosphere. Animals (biotic factors) then consume plants and other animals, incorporating carbon into their bodies. When these organisms die, decomposers break down their bodies, releasing carbon back into the abiotic environment as CO2 through respiration, completing the biogeochemical cycle of carbon.

Moreover, human activities, like the burning of fossil fuels or the use of fertilizers, can alter the balance of carbon and nitrogen in ecosystems, further demonstrating the interconnectedness of biotic and abiotic factors.

The answer is C asymmetric because asymmetric is sponge

Answer:

correct conclusion (“then”): Molecules will diffuse through the membrane

correct reason (“because”): Molecules can pass through the membrane’s tiny openings.

Explanation:

Unlike rivers that produce V-shaped valleys by cutting into their beds glaciers carve (erode) deeper wider U-shaped valley or glacial troughs. Be able to name and describe features of glacial deposition (mainly associated with continental glaciers) and be able to identify them on a map or figure

Answer:

Unlike rivers that produce V-shaped valleys by cutting into their beds glaciers carve (erode) deeper wider U-shaped valley or glacial troughs. Be able to name and describe features of glacial deposition (mainly associated with continental glaciers) and be able to identify them on a map or figure

Explanation:

Answer:

Sperm

Explanation:

Sperm are the male gametes produced in the testicles. The main parts of the sperm are the head, the neck and the flagella.

The structure responsible for sperm motility is the flagella. It develops from the centriole and has the function of giving impetus for the sperm to reach the female reproductive system.

The right option is; a hot solution with all of the solute dissolved

A supersaturated solution is a solution that contains more of the dissolved material (solute) than is needed to form a saturated solution at a given temperature. Factors that influence the solubility of solutes in a solution include; temperature, pressure and the chemical composition of substances involved.

Answer:

A. Animals are heterotrophs

It can be said that a red blood cell is more specialized than an amoeba.

In biology, the smallest unit that can live on its own and is made up of all living organisms and body tissues. A cell is made up of three major components: the cell membrane, the nucleus, and the cytoplasm.

Unicellular organisms are made up of only one cell that performs all of the organism's functions, whereas multicellular organisms use many different cells to function. Bacteria, protists, and yeast are examples of unicellular organisms.

Amoebae are single-celled eukaryotic microorganisms that move via cytoplasmic streaming and have distinctive cell surface projections known as pseudopodia.

They are classified as heterotrophic protozoa and are grouped with photosynthetic protozoa and algae in the protists, an eclectic group.

Thus, it can be said that as amoeba is unicellular, and is considered as less specialized than red blood cell.

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Proteins are made of amino acids, while nucleic acids consist of nucleotides. Proteins perform various functions including enzymatic and structural roles, whereas nucleic acids store and transmit genetic information. Enzymes act as catalysts by lowering activation energy, but increased temperature can cause denaturation and reduce their function.

The building blocks of proteins, called monomers, are amino acids. Each amino acid has a central carbon atom bonded to an amino group, a carboxyl group, a hydrogen atom, and an R group, which varies among different amino acids. Proteins are formed by peptide bonds that link amino acids into long chains, known as polypeptides. Nucleic acids, on the other hand, are composed of monomers called nucleotides. Each nucleotide consists of a pentose sugar (either ribose or deoxyribose), a phosphate group, and a nitrogenous base. The two primary types of nucleic acids are DNA and RNA.

Proteins serve numerous functions in the cell, including acting as enzymes that catalyze biochemical reactions, forming cellular structures, and functioning as hormones and carriers. Nucleic acids, such as DNA and RNA, are crucial for storing and transmitting genetic information and directing protein synthesis. While proteins are primarily involved in functional and structural roles, nucleic acids are involved in genetic information storage and transfer.

Enzyme Activity

Enzyme A acts as a catalyst by lowering the activation energy required for a reaction, thereby increasing the reaction rate. This makes the reaction occur faster, thus saving time and energy for the cell.

An increase in temperature can affect an enzyme's ability to catalyze a reaction by altering the shape of its active site. If the temperature becomes too high, the enzyme may denature, losing its shape and function, which decreases its catalytic ability.

The word that means carefully looking at an object or process is 'observation.' It entails a detailed examination to gain information and can be done from various perspectives.

Observation involves the careful study and analysis of something in order to gain information. When engaging in observation, you might examine a subject from various perspectives, such as looking down on an activity from above, observing from the side as if through a window, or checking shapes by comparing them to a known object such as a circular lid.

For example, in a scientific context, one might say "If we look ahead to the next phase of the experiment, then we'll examine the results.

The answer is a , c, and d.

Answer:

A,c and d

Explanation:

Darwin started to the example if South American species had made it to the Galapagos and had since transformed as a result of climatic adaptation.

Climatic adaptations are those made by an organism in response to patterns of variation in the abiotic elements that create a particular climate. Abiotic factors' annual means, seasonal fluctuation, and daily patterns are characteristics of a climate to which organisms can adapt.

A community and ecosystem can be protected from the consequences of climate change by taking any action that also increases their long-term resilience to changing climatic conditions.

People and areas are protected by climate adaptation by becoming less susceptible to the effects of climate change. Communities may construct seawalls or move structures to higher elevation, for instance, to protect themselves against rising sea levels and increased flooding.

Thus, Darwin started to the example if South American species had made it to the Galapagos and had since transformed as a result of climatic adaptation.

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