According to data presented in this chapter, which one of the following statements is correct? a. When individuals change in response to challenges from the environment, their altered traits are passed on to offspring. b. Species are created independently of each other and do not change over time. c. Populations - not individuals - change when natural selection occurs. d. The traits of populations become more perfect over time.

The correct answer is A.The human is more closely related to the chimpanzee than to the horse. The human hemoglobin peptide composition is identical to the chimpanzee, 100% of similarity between the sites considered.

Answer:

the answer is either a or c. I don't really recommend c so its A

Answer: a

Explanation: accidents could be minimized by following safe guidelines.  But we cant be 100percent preventive, because its an accident.

A dichotomous key is a tool used in biology to identify organisms based on its characteristics.

The azalea, fern, mushroom, and pine tree can be differentiated using a dichotomous key.

A dichotomous key is a tool used in biology to identify organisms based on its characteristics.

Statements are made which are used to identify the organism based on whether the statements fits the organisms or not.

The azalea, fern, mushroom, and pine tree are a group of organisms which have shared characteristics

For example, they all are living things.

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Answer:

"More often since water relfects Uv rays

Explanation:

Answer:

More often since water reflects UV rays

Answer:

There is no correlation

Explanation:

The goal of pasta gatherings is to carb-load. To fill muscular glycogen stores and raise a runner's energy during the race, the intake of carbohydrates is increased in this situation.

Pasta has earned a reputation as the best pre-race dinner because it is made of carbohydrates. He or she needs to reserve a significant amount of energy for the race. The major ingredient in pasta is wheat, which is a carbohydrate. In the body, carbohydrates are the main source of energy. When an athlete eats pasta, the starch in the wheat is digested to produce more glucose, which is then stored in the body as glycogen with the help of the insulin hormone. Glycogen is converted to glucose with the aid of the hormone glucagon on race day when an athlete uses all the blood glucose. Skeletal muscle cells get glucose, which is then transformed there into energy.

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Answer:

In a simplified way...

Explanation:

They use it to stock up on energy so they can use that extra fuel for the race.

Answer: Fats are made of a molecule of glycerol bonded to three fatty acid chains, which can vary in length and bond type. The monomer units of fats are glycerol and the fatty acids that attach to the glycerol. The fatty acids vary in length, and some of them can even have bends.

Explanation: I hope this can help

Answer: B

Explanation:

Mutations are changes in the DNA sequence that can lead to genetic diversity. Mutations are usually errors in DNA replication or mitosis.

The mother or infant's oxytocin release boosts the other's, strengthening their bond. The feedback loop promotes care and bonding between mother and offspring, which is vital to their survival.

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Answer: B. Carmen refuses again and again to clean her room. Obstinate means to refuse to change your opinion, and REFUSING to clean your room seems to fit that description, keyword being refuse.

Answer:

The definition of photosynthesis is

a chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.

Answer:

Is the process where by the plant manufacture there own food in the presence of light

Answer: High Temperatures from the sun

Explanation:

Due to the high temperatures radiating from the sun, only materials that had high melting points could survive around it as opposed to those with low melting points that became vaporized into gas. These materials with higher temperatures were then pulled by the gravity of the sun and kept colliding till they formed the inner planets closest to the sun being Mercury, Venus, Earth and Mars.

The other materials that were with low melting points which became gas spread to the outer part of the solar system and as they became ice, they came together and formed cores with gravities that pulled other gases till they formed the gas giants as we know them today.

The theory of the new corona virus's transfer from bats to people is covered in the explanation that follows.

The severe acute respiratory syndrome coronavirus 2 was produced as a result of cross-species transmission and is the culprit behind COVID19 (SARS-CoV-2). Coronaviruses are a large family of viruses that may infect a variety of hosts.

The host ACE2 protein and TMPRSS2 cleavage of the surface (S) protein are required for SARS-CoV-2 entrance. ACE2, a species-specific barrier, may prevent the bat-to-human coronavirus from spreading across species boundaries. Bats were confirmed as SARS-natural CoV's hosts by a molecular analysis, and they were also linked to the genesis of MERS-CoV.

A novel coronavirus called the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evolved as the cause of COVID19 as a result of interspecies transmission.

Coroviruses are a large family of viruses that may infect a variety of hosts. For SARS-CoV-2 entrance, the surface (S) protein must interact with the host ACE2 protein and TMPRSS2 must be cleaved.

The species-specific barrier ACE2 may stop the bat-to-human coronavirus from spreading. A molecular analysis established bats as the SARS-natural CoV's hosts and linked them to the establishment of the MERS-CoV. Given the genetic resemblances between the SARS-CoV-2 strain and the bat RaTG13 CoV strain, it is believed that the most recent outbreak was caused by bats.

Compared to the human TMPRSS2 sequence, the pangolin ACE2 amino acid sequence has a greater evolutionary distance from bats and a lower evolutionary distance from humans. When comparing SARS-CoV and SARS-CoV-2 origins, the civet, the main intermediate host of SARS-CoV, has lesser ACE2 evolutionary divergence with humans than pangolin. The pangolin has evolved into an appropriate host for intermediate SARS-CoV-2 leap and entrance from bat to human as a result.

The study of links and evolutionary histories between or among groups of species is known as phylogenetics. These links are inferred using phylogenetic inference methods that focus on heritable traits that can be observed, including DNA sequences, protein amino acid sequences, or morphology.

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Freshwater fish ponds are an important source of food and income for people around the world. Fish farming in ponds is also an environmentally friendly practice that can contribute to the conservation of wild fish stocks and protect biodiversity.

Freshwater fish ponds have been essential for centuries in providing a consistent supply of fish for human consumption. Fish farming in ponds is one of the most efficient and productive ways of producing protein-rich food in the world. This method of fish farming is a sustainable practice that can significantly contribute to meeting the global demand for fish.

One of the significant advantages of freshwater fish ponds is that they can be constructed in areas where other types of agriculture are difficult or impossible to carry out. Ponds are also suitable for small-scale fish farming, which makes it an accessible and affordable method for people in rural areas to produce their own fish.

Freshwater fish ponds also have environmental benefits. They help to reduce the pressure on wild fish populations by providing an alternative source of fish for human consumption. This, in turn, helps to conserve wild fish stocks and protect biodiversity.

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The reactions for photosynthesis happen in the chloroplast of the cell, an organelle that is unique to plant cells.

Photosynthesis may be defined as the process through which green plants and some algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.

The light reaction of the photosynthesis occurs in the thylakoid region of the chloroplast, while the dar reaction occurs in the stroma of the chloroplast.

This is important because the needs for both reactions are delivered by different regions. For example, the enzymes of the stroma do not require light but require ATP and NADPH which are already prepared by the light reaction in the thylakoid membrane.

The light reaction uses light energy that produces ATP and NADPH.

Therefore, it is well described above.

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the answer is B because the predator would keep it in check.

Answer:

the answer is a

Explanation:

i pretty sure

Answer:

The right hemisphere of the brain is responsible for some of the cognitive functions such as attention, processing of visual shapes and patterns, emotions, verbal ambiguity, and implied meanings.

The right hemisphere of the brain manages verbal functions.  Thus, option D is correct.

Brain has been defined as an important organ of the body which has controls over all the functions of the body and have command on all the body organs.The outermost part of brain has been known as the dura mater which has consisted of a strong membrane layering and it has been thick located just beneath the skull and the vertebral column.The right hemisphere of the brain manages verbal functions.

The outermost part or the cerebrum has billions of neurons and glia which is responsible for the formation of the cerebral cortex, which is the outermost part. Whenever body stuck in a dangerous situation or abnormal situation the signal in the form of information has to be  conveyed to brain and the particular part that receives the signal is famous as amygdala.

Therefore, The right hemisphere of the brain manages verbal functions.  Thus, option D is correct.

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The plasma membrane is found in all living cells and serves as a boundary between the cell and its external environment.

The plasma membrane is a thin and fragile membrane that encloses the cytoplasm of cells in prokaryotes and eukaryotes. It is sometimes referred to as the cell membrane, and it is a crucial organelle for maintaining the integrity and functions of cells. In addition, it is responsible for a variety of cellular processes and communications.

The plasma membrane is found on the outermost surface of cells in both eukaryotes and prokaryotes. It separates the cell from the external environment, and it is responsible for regulating the movement of materials in and out of the cell. The plasma membrane in eukaryotic cells forms a boundary between the cytoplasm and the extracellular fluid.

It is composed of a lipid bilayer consisting of phospholipids, glycolipids, and cholesterol, and it also contains proteins, which are embedded in the membrane or attached to its surface. The plasma membrane in prokaryotic cells is similar in structure to that of eukaryotic cells. It is composed of a phospholipid bilayer that is embedded with proteins, but it is much simpler in structure.

Prokaryotic cells have a cell wall that lies outside the plasma membrane, which provides additional protection and support to the cell. Plasmodesmata are channels that are formed through the plasma membranes of adjacent plant cells. They provide a pathway for the transport of materials and communication between cells.

In addition, gap junctions are structures found in animal cells that allow for the passage of small molecules between cells. Tight junctions are another type of intercellular junction that form a barrier between cells, preventing the passage of substances through the extracellular space.

The plasma membrane is a crucial organelle for maintaining the integrity and functions of cells. It is responsible for regulating the movement of materials in and out of the cell, as well as for cellular processes and communication.

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Option(B) Ureter is the correct option.

The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.

The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.

The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.

The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.

In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.

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Answer: Hello!

Explanation: Your answer is Diverse Organisms in a Large Region

This is a very interesting question, even somewhat mind boggling.

You’ve heard of mitochondria, right? Organelles in embedded in the cells of macro-organisms, such as ourselves, and that carry their own trimmed down genetic code in DNA? Well their is another organelle in cells that has DNA separate from that of the macro-organism. That is the chloroplast, which is what constitutes the green coloration in plant tissue and is where photosynthesis is done in the plant. Chloroplasts have DNA also.

Now, how is that you may well ask. Why would mitochondria and chloroplasts have their own DNA separate from that of the organism that otherwise completely surrounds and sustains them?

Scientists are pretty convinced by now that it is because both mitochondria and chloroplasts used to be free living organisms on their own. At some point in the early history of life, they became symbiotic and then dependent on unicellular host organisms. The dependence, however, was reciprocated, as neither humans nor plants (with significant exceptions) can live without chloroplasts.

So the main adaptation of plants to do photosynthesis has been to incorporate chloroplasts into their own cells and then further adapt their inputs of water and nutrients to take advantage of that.

The chlorophylls are well named because they do not absorb green light; instead, they permit it to be reflected or transmitted.

The name chlorophyll is derived from the Greek word khloros meaning pale green and phyllon meaning leaf. Chlorophyll is the pigmentation present in all plants that allows plants absorb energy transmitted from light.

Photosynthesis uses the energy absorbed from light to convert carbon dioxide and water molecules into glucose. As a primary pigment (photoreceptor), chlorophyll reflects green light while absorbing red and blue light in the chloroplast.

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Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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Answer:

The correct chronological order of the stages of planet formation are differentiation, cratering, flooding, and surface evolution.