what term is used to describe a group of interacting and interdependent elements forming a complex whole A. ecosystem B . system C.biotic factor D.abiotic factor​

Answer:

46 chromosomes, 92 chromatids

Explanation:

Answer:

84

Explanation:

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Answer:

this is a positive reaction because the hormones will cause oxygen to rise again

Answer:

1)a

2)b

3)e

4)c

5)d

Explanation:

that have an ear part of human ear so they have their own functions

Answer:

The nervous system. The nerves send signals and information to your brain.

Answer:

The nervous system

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Work towards sustainability to retain diversity and ecological restoration are the two methods that humans protect and restore the ecosystem.

Reducing tillage, using more organic fertiliser and pest management, and raising a wider variety of crops, including trees, are all ways to restore them. By doing these actions, soils can replenish their carbon stores and become more fruitful, allowing nations to feed their expanding people without requiring even more land.

Examples include the extraction of natural resources like coal, hunting and fishing for food animals, and the logging of forests for urban development and the production of wood. excessive non-renewable resource utilisation.

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Answer:

The process by which a cell responds to substances outside the cell through signaling molecules found on the surface of and inside the cell.

Explanation:

Answer:

Sunlight

Explanation:

Using the sunlight from the sun, water, and carbon dioxide they make Glucose and oxygen, a type of water that can be used as energy.

If you meant hydrogen ions then it is incorrect... you will learn why when you get into physical science

Electrons... you will learn when you get into physics and chemistry

Oxygen is the thing that plants let out when completed photosynthesis

Answer:C

Explanation:sry u already got an answer

Answer:

Heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring. ... Each offspring is a combination of its two parents, receiving some dominant traits from its mother and others from its father.

Explanation:

Answer:

Question 13:

B. False

The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.

Question 14:

A. True

The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.

Question 15:

B. False

Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.

Explanation:

Explanation:

DNA (Deoxyribonucleic acid) is the repository of genetic information in living things. It is biological macromolecule made up of several units called nucleotides. In Eukaryotic cells (organisms with membrane-bound nucleus), the DNA is found in the nucleus. This is however different in prokaryotic cells, as the DNA is found in a nucleus-like body in the cytosol called the nucleoid. In Eukaryotes DNA is ordered and packed by structural proteins called histones. A histone is a protein that provides structural support to a chromosome. In order for very long DNA molecules to fit into the cell nucleus, they wrap around complexes of histone proteins, giving the chromosome a more compact shape.

The DNA storages the genetic information. It is made of nucleotides that combine in different ways forming sequences that store specific information. In Prokaryotic cells, as there is not a nucleus, the DNA is on the cytosol in an area known as the nucleoid. On the other hand, in Eukaryotic cells, the DNA is separated from the rest of the organelles. It is in the nucleus surrounded by a membrane. For the DNA to fit in the nucleus, it has to be packed. Histones, which are proteins, wrap the DNA chains around them. As a result, they give support to a DNA molecule, also known as chromosomes.

The terms used in the paragraph refer to how DNA is in relation to other elements and according to the cell in which they are:

All in all, after knowing what each concept means, we can relate them in a paragraph.

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The answer is D. Weathering of rocks.

The other options have nothing to do with glacial formation, rocks can be weathered as a result of the preassure of ice over them, eroding the underlying rock by abrasion and plucking.

it is two forces are unequal or unbalance

The sunlight is abosorbed and weakened when it passes through the atmosphere, being also scatterred by the air and dust in the atmosphere with short wavelengths scatter more than longer wavelengths. Therefore, the radiation can go forward in part while some is blocked by the constituents of the atmosphere.

Answer:

They help determine whether something is living or nonliving. The first of these traits is that a living thing is made up of cells. ... The cell theory

Cleaning Contaminated Groundwater is EZ(VI), The NASA Government and Commercial Invention of the Year awards for 2005 went to a groundwater remediation method created at the Kennedy Space Center. KSC inventors have now won both prizes twice in the last three years.

A group of scientists from NASA and the University of Central Florida created the Emulsified Zero-Valent Iron (EZVI) technology. Dr. Jacqueline Quinn, an environmental engineer of the Kennedy Supplied Technology Directorate's Applied Sciences Division, and Kathleen Brooks, an analytical chemist at the center's Materials Science Laboratory of the Center Operations Directorate, are two NASA inventors. Co-inventors from the Departments of Chemistry and Civil Environmental Engineering at the University of Central Florida include Drs. Christian Clausen, Cherie Geiger, and Debra Reinhart.

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Answer:

They have an independent structure

The statement that is true of a typical animal is they lack a cell wall. The correct option is c.

The cell wall, which is located next to the cell membrane, also known as the plasma membrane, is the outer layer of a cell. As was already mentioned, all plant cells as well as those of fungi, bacteria, algae, and some archaea contain a cell wall.

All animals have multicellular cells, which make up an animal cell. Animal cells are distinguished primarily by the absence of a cell wall.

Animal cells lack elements like vacuole and chloroplast that are found in plant cells. Animal cells contain cell organelles like mitochondria, endoplasmic reticulum, ribosomes, and nuclei, which house the animal's genetic material.

Therefore, the correct option is c. They lack a cell wall.

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The anatomic areas not seen in a transverse plane Are anterior and posterior.

The horizontal plane divides the body or part of it into upper and lower parts. The median plane is the sagittal plane through the midline of the body. Divide the body or part of it into right and left halves. The sagittal plane is the vertical line that divides the human body into left and right. The coronal plane is the vertical line that divides the human body into anterior and posterior parts.

The transverse plane, on the other hand, is the horizontal line that divides the human body into upper and lower parts. A transverse plane divides the body or part of it into upper and lower parts. Note that each of the three anatomical planes can be traversed and retains the names associated with those directions. Imagine standing at the shallow end of a pool with water about navel high.

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Incomplete question. Provided a general definition of the term.

Explanation:

To make an inference usually involves a mental activity for the purpose of making sound judgments based on observations or clues discovered.

For example, common clues when doing biological experiments includes:

Answer:

IF FROGS DIED OUT, THE POPULATION OF INSECTS, DIVING BEETLES AND SLUGS WOULD INCREASE WHILE FOXES AND HERONS WOULD HAVE ONE LESS FOOD SOURCE TO SURVIVE ON.

Explanation: Did this same assignment before

The process that is most likely going to occur in the swimmer's muscle cells during the competition is C. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

The main molecule for storing and transferring energy in cells is adenosine 5'-triphosphate (ATP). It is frequently referred to as the cell's energy currency and is like the money that is kept in a bank.

The ATP (Adenosine triphosphate) will be impaired if the swimmer is unable to breathe in enough oxygen to power through the sprint. The body will employ anaerobic respiration to make ATP under these circumstances. Without oxygen, anaerobic respiration takes place. In the respiratory cycle, it substituted the electron acceptors for oxygen. However, anaerobic respiration produces less ATP than aerobic respiration.

Therefore, the cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

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Structure of nephron : The filtration units in the kidney are called nephrons. Each kidney has a large number of nephrons which are packed closed together. Nephrons consist of a cup shaped Structure called Bowman's capsule in which a cluster of very thin walled blood capillaries form glomerulis . This cup shaped structure is followed by long tubular structure which is convoluted , twisted and finally leads to the collecting duct.

Functions of nephron : : Nephrons help in filtering nitrogenous waste from the blood. The blood entering the glomerulus contains waste which are filtered in the Bowman's capsule. The filtrate formed may contain some useful substances such as glucose, amino acids, salts and a major amount of water. These are selectively reabsorbed as the urine flows along the tube, The amount of water reabosrbed depends on how much excess water is there in the body andhow much dissolved waste there is to be excreted .

* For structure of nephron * refer to attachment !

The correct answer is Eukarya has similar evolutionary traits to Archaea.

Thus, option "D" is correct.

The six kingdom classification by Carl Woese divided the organisms into three domains which are Bacteria, Archaea, and Eukarya. the archaea and Eubacteria are micro-organisms while plants, animals, and microorganisms such as fungi and protists under Eukarya.

The Eukaryotes are more closely related to the Archaea than bacteria as:

1. Transcription - they both use same TATA-binding proteins-TFIIB and elongation factors.

2. Translation- First amino acid during protein synthesis is the same in both the organisms which is methionine.

3.  Histones - same histones are involved in the packaging of DNA.  

4. Sensitivity to antibiotics- both are insensitive to antibiotics.

Thus, Eukarya has similar evolutionary traits to Archaea is the correct answer, option "D" is correct.

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The major hominin group that existed from about 4 to 1.2 mya was Australopithecus/Paranthropus.

Thus, the correct answer is B.

Аround 4myа the eаrliest members of the genus Аustrаlopithecus, hominins which were аdept terrestriаl bipeds but continued to use the trees for food аnd protection. The first specimens of Аustrаlopithecus were discovered in South Аfricа in 1924, аnd reseаrch efforts over the subsequent eight decаdes hаve produced hundreds of fossils from severаl species аt sites аll аcross Eаst аnd Southern Аfricа. Аustrаlopithecus wаs а highly successful genus thаt persisted for neаrly three million yeаrs

А subgroup of Аustrаlopithecus, known аs the "robust" аustrаlopiths (often lаbeled by а sepаrаte genus Pаrаnthropus) becаuse of their enormous teeth аnd chewing muscles, took this аdаptаtion to the extreme. Most Аustrаlopithecus species were extinct by 2 myа, but some robust forms persisted until аbout 1.2 myа in Eаst аnd South Аfricа.

Your options aren't well arranged, but most probably your options were

A. Homo ramapithecus

B. Australopithecus/Paranthropus

C. Dryopithecus

Thus, B is the correct option.

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Answer:

Carbon is found in the hydrosphere dissolved in ocean water and lakes. Carbon is used by many organisms to produce shells.

Explanation:

The classical range, the focus shifts to the role of aggregate supply determinants, such as resource prices and productivity, in shaping the price level.

The determinants of aggregate supply include resource prices and resource productivity. Resource prices refer to the cost of inputs such as labor, raw materials, and energy that are used in the production process. Resource productivity, on the other hand, refers to the efficiency and effectiveness with which these resources are utilized in producing goods and services.

Real domestic output (or real GDP) and the price level are directly related due to the concept of the aggregate supply curve. The aggregate supply curve shows the relationship between the overall level of prices in the economy (price level) and the total quantity of goods and services that firms are willing to produce (real domestic output) at different levels of prices.

The relationship between real domestic output and the price level can be explained as follows:

1. Short Run: In the short run, the aggregate supply curve is upward sloping, indicating a positive relationship between the price level and real domestic output. This is because firms have fixed costs and prices in the short run, and as prices increase, firms experience higher revenue and profitability. As a result, firms are incentivized to increase production, leading to higher real domestic output.

2. Intermediate Run: In the intermediate run, the aggregate supply curve becomes flatter. This indicates that the relationship between the price level and real domestic output is weaker compared to the short run. In the intermediate run, some input prices may adjust, and firms can make certain adjustments to their production processes. However, there may still be some constraints that limit the ability to fully adjust to changes in the price level.

3. Long Run: In the long run, the aggregate supply curve becomes vertical, indicating that real domestic output is not influenced by changes in the price level. In the long run, all input prices and resource productivities can adjust fully, and firms can optimize their production processes. As a result, changes in the price level do not affect the overall level of real domestic output but rather impact the general price level in the economy.

The three distinct ranges of the aggregate supply curve represent the relationship between the price level and real domestic output in different economic conditions:

1. Keynesian Range: In this range, the aggregate supply curve is horizontal or nearly horizontal. It suggests that the economy is operating below its potential, with idle resources and high unemployment. In this situation, increases in aggregate demand, such as through increased government spending or tax cuts, have a larger impact on real domestic output with minimal impact on the price level.

2. Intermediate Range: This range represents the upward-sloping portion of the aggregate supply curve. It indicates that the economy is operating close to its potential, with a moderate level of resource utilization. In this range, changes in aggregate demand can affect both real domestic output and the price level. An increase in aggregate demand can lead to higher output, but it also puts upward pressure on prices.

3. Classical Range: In this range, the aggregate supply curve becomes vertical, representing the long-run potential of the economy. It suggests that the economy is operating at or near full employment, and changes in aggregate demand primarily impact the price level rather than real domestic output. In the classical range, the focus shifts to the role of aggregate supply determinants, such as resource prices and productivity, in shaping the price level.

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it might be cell membrane