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This mutation was brought about by the giraffe's environmental evolution.

The giraffe is a long-necked, herbivorous animal that can be found over most of the world. Its neck has adapted to enable it to access the highest points of the trees. The giraffe family's ancestors used to eat the grass leaves on the ground millions of years ago.

According to the Darwinian theory of evolution, some giraffes developed longer necks than others due to random variation. They were able to reach leaves high up in the trees in their environment because of their long necks.

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Most cells within one organism have the same genome (same genes with the same alleles) is true statement.

Almost all of a person's body's cells have the same DNA and genes. Different genes are expressed during cell division and growth, resulting in various cell types. The majority of our chemistry is produced by a range of proteins that are produced by those cells and are unique to the cells they form. All cell-based life on earth generally shares the same characteristics.

The genome is made up of all the DNA instructions that are present in a cell. One small chromosome that is found in the mitochondria and 23 pairs of chromosomes that are present in the cell's nucleus make up the human genome. The genome of an individual contains all the information needed for growth and maintenance.

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True statement: Most cells in a single organism share the same genome (same genes with the same alleles).

The total collection of DNA instructions present in a cell makes up the genome. The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria. Everything a person needs to grow and operate is encoded in their genome. One organism's cells largely share the same genome (same genes with the same alleles). Because cell differentiation often only involves epigenetic changes, the aforementioned statement is true for the majority of cells, but not all.

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yes it is, let’s say B - is for brown hair and b - is for blonde hair

to have blonde hair they would have to have a bb genotype meaning that if bob had the Bb genotype then sally and bob have a 1/4th chance of having a blonde haired child

Answer:

the magnifying glass showed scientists that plants were made up of cells

✅ the microscope enabled scientists to discover single-celled organisms

the microscope showed that cells of plants and animals have different structures

the telescope enabled scientists to see objects they could not view before

Numerous stimuli of all kinds and origins are taken in and converted into the action potentials of a nervous system. Sensory transduction is the name of this process.

At the sensory receptors, sensory transduction begins. Each sensory system contains specialized cells that can pick up on environmental cues. Light is detected by photoreceptors, tastes and smells are detected by chemical sensors in the tongue and nose, touch is detected by mechanoreceptors, and sound is detected by hair cells.

In humans and other vertebrates, rod and cone cells in the retina of the eye detect light to produce nerve impulses known as "visual phototransduction," which is a sensory transduction process.

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The characteristic of any receptor which allows it to respond to a specific or predetermined stimulus is called specificity.

Receptors are specialized cells or proteins that detect and respond to specific stimuli, such as light, sound, or chemicals. The specificity of a receptor is what enables it to detect and respond to a particular type of stimulus, while ignoring others that are not relevant to its function.

Receptors are specialized proteins located on the surface or inside the cells of the body that bind with specific signaling molecules called ligands. The binding of a ligand to its receptor initiates a chain of chemical reactions that ultimately leads to a physiological response in the body. The specificity of a receptor is determined by the shape of its binding site, which is complementary to the shape of the ligand.

Each receptor is specialized to recognize and respond to a specific ligand or a group of structurally related ligands, and this specificity is critical for maintaining the appropriate physiological response in the body. For example, the beta-adrenergic receptor responds to the neurotransmitter adrenaline and related molecules, while the insulin receptor responds to the hormone insulin.

In summary, the ability of a receptor to respond to a specific or predetermined stimulus is due to its selectivity or specificity, which is determined by the shape of its binding site.

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Agriculture was a major cause of the adaptive success characterized by population explosion. Agriculture allowed people to settle in one place and produce a reliable food supply, which led to population growth.

Agriculture is the science, art, and business of cultivating soil, producing crops, and raising livestock. This practice is one of humanity's oldest activities, dating back at least ten thousand years. Before agriculture, people were hunters and gatherers, but agriculture allowed people to settle in one place and develop more complex societies. Agriculture also provided a dependable food source, allowing the human population to expand rapidly.

Over time, agriculture progressed as humans discovered new ways to cultivate crops and raise animals. Agricultural practices and technology have advanced to the point where we can produce large amounts of food with minimal effort. Modern agriculture uses a variety of techniques, including mechanization, fertilizers, and genetic engineering, to increase yields and decrease labor costs. This allows us to feed a rapidly growing global population.

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Answer:

Explanation:

During the study of genetics and inheritance, it is important to observe the sexual cycle of fungi to determine the genetic variations within the offspring. In the 1920s, T. H. Morgan and his colleagues used fungal genetics to test the hypothesis of the existence of recombination. For instance, they observed the sexual cycle of the common bread mold, Neurospora crassa, to investigate how crossing-over occurs between homologous chromosomes during meiosis.

As a result of their investigation, Morgan and his colleagues discovered that, during meiosis, four haploid ascospores are produced within a specialized sac called an ascus. These ascospores are produced when two nuclei from two different hyphae (cells) combine and fuse together.

This fusion creates a cell with two haploid nuclei, which subsequently undergoes meiosis to create four haploid ascospores. Hence, an ascus will contain four haploid ascospores produced by a single diploid cell resulting from the fusion of two haploid cells.

The percentage of asci observed that resulted from the fusion of cells from different strains is 100%. This is because the fusion of haploid cells from different strains is essential for the production of a diploid cell that will then undergo meiosis to form four haploid ascospores.

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The population after 40 years will be 400,000 animals, and the population after 65 years will be approximately 336,000 animals.

To determine the population after a certain time period, we can use the formula for exponential decay;

N(t) = N0 × \((1/2)^{(t/T)}\)

Where;

N(t) is the population at time t

N0 is the initial population

t is the time elapsed

T is the half-life of the population

Given;

N0 = 1.6 million

T = 20 years

Let's calculate the population after 40 years;

N(40) = 1.6 million × \(1/2^{(65/20)}\)

= 1.6 million × (1/2)²

= 1.6 million × (1/4)

= 400,000

Therefore, the population after 40 years will be 400,000 animals.

Now, let's calculate the population after 65 years;

N(65) = 1.6 million × \((1/2)^{(65/20)}\)

= 1.6 million × \((1/2)^{(13/4)}\)

≈ 1.6 million × 0.210

≈ 336,000

Therefore, the population after 65 years will be approximately 336,000 animals.

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Answer:

ob

Explanation:

An endosymbiont is best described as an organism that lives within another organism.

An organism capable of living inside another organism is referred to as an endosymbiont. The relationship between the host and the endosymbiont is referred to as endosymbiosis. The term endosymbiosis refers to the ability of one organism to live inside the cell of another organism and benefit both organisms, resulting in a symbiotic relationship.

In biology, endosymbiosis refers to a mutualistic relationship in which an organism (endosymbiont) lives inside another organism (host), benefiting from a safe environment . Symbiotic relationships are the most prevalent form of relationships in the natural world, with symbiotic partnerships ranging from parasitism to mutualism. The organism that lives within another organism BEST describes an endosymbiont.

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Answer:

it is D humans as test subjects​

Explanation:

Answer:

D

Explanation:

Answer:

Use the Weather probeto measure the land-air and ocean-air temperatures. What are these temperatures at this time? 29.1 degrees and 22.2 degrees, respectively. C.

Explanation:

By using the Weather probe to measure the land-air and ocean-air temperatures. It is found that the temperature of land air is found be 29.1°C and the temperature of ocean air is found to be 22.2°C.

A weather probe may be defined as an observation post where weather conditions and meteorological data are considerably observed and recorded under controlled conditions. While weather governs the state of the air and atmosphere at a particular time and place.

According to the context of this question, a weather probe determines a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate.

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Answer:

1 red, 2 pink, 1 white

Explanation:

RW x RW = 1 RR, 2 RW, 1 WW

I assume that RR is red, RW is pink, and WW is white

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Answer:

tilling

Explanation:

Answer:

Monocots, such as corn (right), have one cotyledon, called the scutellum; it channels nutrition to the growing embryo. Both monocot and dicot embryos have a plumule that forms the leaves, a hypocotyl that forms the stem, and a radicle that forms the root.

Answer:

A and B

Explanation:

Note: The two chromosomes in a homologous pair are very similar to one another and have the same size and shape. Most importantly, they carry the same type of genetic information: that is, they have the same genes in the same locations.

A and B seem to be the cloest in size and shape as they are both tilted to the left.

The overall force in Newtons the ostrich egg would experience would be 19.6 Newtons.

What do you mean by Force?

Force is an influence that can change the motion of an object, cause an object to change shape, or produce motion or stress in a stationary object. It is basically a vector quantity, meaning it has both magnitude and direction. Examples of forces include gravity, friction, and electric and magnetic forces.

This can be calculated by using the equation mv = p, where m is the mass of the object (1.4 kg in this case), v is the acceleration (14 meters per second), and p is the overall force. Thus, p = 1.4 kg x 14 m/s = 19.6 N.

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Answer:

here

Explanation:

the more your body is moving and is pumping blood there is in your muscles which start to produce lactic acid

Large theropod dinosaurs belonging to the genus Carnotaurus lived in South America between approximately 72 and 69.9 (nice) million years ago. Carnotaurus sastrei is the sole species present.

Carnotaurus has gained a lot of notoriety due to its prominent part in the Disney animated picture Dinosaur, yet the creature portrayed in the movie is bigger than the genuine Carnotaurus.

Palaeontologists know that Carnotaurus possessed scales on its back and that, according to research on its tail muscles, it was probably one of the fastest theropods. Despite only being known from one specimen, Carnotaurus is remarkably well preserved.

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Carbon dioxide is the main greenhouse gas emitted by human activities. Human activities include the burning of fossil fuels such as oil (gasoline) and coal. This gas is released into the atmosphere as complete combustion of fossil fuels is achieved.

We can conclude that the correct answer is:

D. CO2 (carbon dioxide), burning fossil fuels

The available hydrogen bond donors and acceptors of guanine and cytosine pair with one another in space to form a nitrogenous base pair.

One of the four nucleotide bases in DNA, along with adenine (A), cytosine (C), and thymine, is guanine (G) (T). Guanine nucleotides on one strand pair with cytosine bases on the other strand in a double-stranded DNA molecule. Information in DNA is encoded by the four nucleotide bases' order.

Along with adenine, guanine, and thymine, cytosine is one of the four nucleobases that can be found in DNA and RNA. It is a pyrimidine derivative with two attached substituents and a heterocyclic aromatic ring. Cytidine is the nucleoside of cytosine. It creates three hydrogen bonds with guanine during the Watson-Crick base pairing process.

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Answer: I think collecting data on Pluto and Charon (the Charon flyby was at about 17,900 miles or 28,800 kilometers), New Horizons also observed Pluto's other satellites, Nix, Hydra, Kerberos and Styx.Also In July 2015, NASA's New Horizons became the first spacecraft to visit dwarf planet Pluto. The far-traveling spacecraft also flew by an object called 2014 MU69, or Ultima Thule, in January 2019. Observations from New Horizons are revolutionizing our understanding of solar system objects orbiting far from the sun.

Explanation:

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Answer:

The differences between these are the type of union, the order of the union and the complexity.

All are polysaccharides, but their unions are stronger or more complex, thus giving rise to different functions such as structural or energy reserves.

Explanation:

The types of bonds if they are simple, double or triple also influences the different functions.

Children with an APGAR score less than 4 require immediate, life-saving intervention.

The APGAR score is a quick assessment performed at one and five minutes after birth to evaluate the overall health and well-being of a newborn. It evaluates five parameters: heart rate, respiratory effort, muscle tone, reflex irritability, and color. Each parameter is scored from 0 to 2, with a maximum total score of 10. A low APGAR score indicates the need for immediate medical attention and interventions to stabilize the newborn's vital functions and ensure their well-being.

Therefore, scores below 4 indicate severe distress and require prompt and potentially life-saving interventions.

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The basic unit of all the living organisms present in nature, which can also carry out all of the functions necessary for life is the cell.

A living organism basically conducts all the self-sustaining biological processes in its. A cell can be basically defined as the smallest as well as the most basic form of life. Robert Hooke, was one of the first scientists to who used a light microscope and happened to discover the cell in the year 1665.

In all the life forms, including  plants, animals, bacteria, and humans, the cell has been defined as the most basic structural as well as functional unit or we can say the building blocks.

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The presence of a sagittal crest is most closely associated with increased jaw strength.

A sagittal crest is a bony ridge that runs along the midline of the top of the skull and is formed by the fusion of the temporal crests. It provides a large surface area for the attachment of the temporalis muscle, which is a powerful jaw-closing muscle.

Individuals with a well-developed sagittal crest have a larger and stronger temporalis muscle, allowing them to generate greater bite forces and crush harder foods. This adaptation is often seen in species with a more carnivorous diet, such as certain primates and large carnivores, as well as in some early hominids with heavy chewing requirements.

It is important to note that other factors, such as tooth and jaw shape and size, also play a role in determining jaw strength. However, the presence of a sagittal crest can indicate an increased capacity for jaw strength.

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True

The statement "Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action" is true.

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Answer:

Both have:-

A) Have DNA

B) Ribosomes

C) Cell membrane