a(n) infection occurs when several microbes establish themselves simultaneously at the infection site.

The size of the fetal face is one-third the size of the fetal cranium while the adult skull is two-thirds the size of the adult cranium.

The face of a fetus is foreshortened and overshadowed by its cranium. Also, his mandible and maxilla are very tiny. On the contrary, the adult cranium is comparatively smaller and his facial bones are comparatively larger than the cranium.

Cranium is the outer protective layer of the skull. It comprises 8 cranial bones and 14 facial bones. It has two main parts: cranial roof and cranial base. The cranial roof consists of frontal, occipital and two parietal bones. The cranial bases also comprises these three types of bones and also includes sphenoid, ethmoid and temporal bones.

The cranial bones are connected by connective tissues during infancy to allow their growth  and form one piece. The primary function of cranium includes protecting the brain and providing a link for the attachment of facial muscles.

The size of the fetus ' face increases as it matures and thus has a very small face compared to its cranium. The cranium in the adult is all grown up and does not grow further. It has a larger size than that of a fetus. The bones in the adult cranium are also fixed while those in a fetus are still growing.

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Answer:

improper function of the nervous system and can cause diabetic like condition.

Explanation:

Based on the information provided, if an individual is a compound heterozygote at the CFTR locus (the gene that causes cystic fibrosis), it can be inferred that the individual is a carrier for cystic fibrosis but does not have the disease themselves. A compound heterozygote refers to an individual who has two different mutant alleles at a particular gene locus.

Cystic fibrosis is an autosomal recessive disorder, which means that an affected individual typically needs to inherit two copies of the defective CFTR gene, one from each parent, to have the disease.

In the case of a compound heterozygote, the individual has two different mutations in the CFTR gene, but neither mutation alone is sufficient to cause cystic fibrosis.

Therefore, it cannot be inferred that at least one of the individual's parents had cystic fibrosis, nor can it be inferred that all the individual's children will have cystic fibrosis. The specific effects of the individual mutations and the potential response to treatment may vary depending on the nature of the mutations.

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Complete question :

Given that an individual is a compound heterozygote at the CFTR locus, the gene that causes cystic fibrosis, what can be inferred? The individual is a carrier for cystic fibrosis, but does not have the disease. At least one of the individual's parents had cystic fibrosis. O A drug that effectively treats one allele may not treat the other. If the individual has children, all the children will have cystic fibrosis.

Answer:

By the way they look and the songs they sing. How was sorting finches by song? All the finches sing a simular song but you can hear differences and sort them by species.

DNA molecules undergo changes by radiation from X-rays leading to Mutations. Thus, the correct option for this question is D.

A mutation may be defined as the sudden, stable, inheritable changes in the genetic material of an organism. An organism that undergoes an event of mutation is known as a mutant.

According to the context of this question, high energy ionization radiations such as X-rays and gamma rays cause extensive damage to DNA in the form of destruction to their sugars and nitrogenous bases along with strand breaks. Non-ionizing radiation such as ultraviolet light, on the other hand, induces structural changes in the bases of the DNA.

Therefore, DNA molecules undergo changes by radiation from X-rays leading to Mutations. Thus, the correct option for this question is D.

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The compound having the formula C₄₄H₆O₈NP is found in many foods and belongs to lipids.

Lipids are macromolecules. They are basically fatty compounds which happen to perform a variety of different functions in our human body. They are a very crucial part of our cell membranes and they basically help in controlling what goes in as well as out of our cells. They also play an important role in helping with moving as well as storing energy, absorbing vitamins and synthesizing hormones.

The compound having the chemical formula C₄₄H₆O₈NP is a compound which is known as MMPE. MMPE basically stands for monomethylphosphatidylethanolamine. It happens to belong to the class of lipids and is found to be present in a wide variety of food.

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Answer:

As the bodies of spawning salmon break down, nitrogen, phosphorus and other nutrients become available to streamside vegetation

A collection of organisms that have the ability to breed and create fertile progeny. a place that is home to a group of people that belong to the same species. the biotic and abiotic components of an organism's natural habitat. the biotic and abiotic components of an organism's natural habitat. living and interacting in the same environment are diverse populations of various species.

Define these terms for you:

1. Species: A group of organisms that can interbreed and produce fertile offspring.
2. Population: A group of individuals of the same species living in a particular area.
3. Habitat: The natural environment in which an organism lives, including both biotic and abiotic factors.
4. Community: Different populations of various species living and interacting in a shared environment.
5. Niche: The specific role an organism plays within its ecosystem, including its use of resources and interactions with other organisms.
6. Ecosystem: A community of living organisms and their physical environment, interacting as a system.
7. Biotic factors: Living components of an ecosystem, such as plants, animals, and microorganisms.
8. Abiotic factors: Non-living components of an ecosystem, such as temperature, water, and soil composition.
9. Biome: A large-scale ecosystem characterized by a specific climate and distinct communities of plants and animals.
10. Biosphere: The sum of all ecosystems on Earth, including all living organisms and their environments.
11. Lithosphere: The solid outer layer of Earth, including the crust and upper mantle.
12. Hydrosphere: All water found on, under, and above Earth's surface, including oceans, lakes, rivers, groundwater, and atmospheric water vapor.
13. Atmosphere: The layer of gases surrounding Earth, consisting mainly of nitrogen and oxygen, and playing a crucial role in climate and weather patterns.

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The following processes are used by the human body to eliminate wastes like urea and other nitrogenous wastes from the body: The primary excretory organ that filters blood containing soluble waste and removes it as urine is the kidney.

The major excretory organs are the kidneys, which remove waste by filtering it from the bloodstream, the large intestines, which remove waste in the form of faeces, the lungs, which remove gaseous waste in the form of carbon dioxide, the skin, which removes waste in the form of sweat, and the kidneys.

Each type of waste is created by a particular organ system and eliminated from the body at several sites connected to that system.

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The connective tissues surrounding the kidneys starting with the most superficial layer is:renal fascia, adipose capsule, renal capsule

The renal fascia is a dense layer of fibrous connective tissue that surrounds the kidney and helps to anchor it to surrounding structures. The adipose capsule is a fatty layer that provides cushioning and insulation to the kidney. The renal capsule is a smooth, fibrous membrane that covers the surface of the kidney and helps to maintain its shape.
1. Renal fascia: This is the outermost layer, made of connective tissue, that anchors the kidney and surrounding adipose tissue to the abdominal wall.
2. Adipose capsule: The middle layer, which consists of fat and provides cushioning and protection for the kidneys.
3. Renal capsule: The innermost layer, a thin connective tissue that covers and protects the kidney's surface.

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Answer:

"Endocytosis" is a type of active transport that moves particles, such as large molecules, parts of cells, and even whole cells, into a cell.

Explanation:

Hope It Helps

True. The more rapidly a drug's effects are experienced, the more likely it will be abused because users can quickly experience a pleasurable high or euphoria, leading to a desire for repeated use and potentially addiction. Drugs that have a rapid onset of action, such as cocaine or methamphetamine, are particularly prone to abuse.
True. The more rapidly a drug's effects are experienced, the more likely it will be abused. This is because the quick onset of effects can lead to a stronger psychological connection between the drug use and its pleasurable effects, which increases the potential for abuse and addiction.

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Answer:

Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.

Explanation:

Answer:

B because the environment wants those plants/animals to be in their environment so they need to adapt and change to bring in those things they need.

Explanation:

The results by Frederick Griffith experiment best support the conclusion that: (2) a substance had been transferred from pathogenic to nonpathogenic bacteria.

Pathogenic refers to the state where a living microorganism possess the ability to cause infection in some other living organism. This phenomenon of microorganisms of causing infection is called pathogenicity. Bacteria, viruses, protozoans are all pathogenic in nature.

Bacteria is the prokaryotic microorganism found in all the environments. There are two types of bacteria: the good ones and the bad ones. The bacteria can even be found inside the body of living organisms. The examples of bacteria are: E. coli, Salmonella, Bacillus, etc.

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Answer:density

=

2.9

g/cm

3

Explanation:

We're asked to find the density of the rock, given some mass and volume information.

We're given that the mass of the system before the rock was added was  

120

g

. The mass after the rock was added was  

250

g

, so the rock's mass is

m

rock

=

m

final

−

m

initial

=

250

l

g

−

120

l

g

=

130

l

g

−−−−−  

The initial volume of water in the graduated cylinder was  

30

mL

, and the volume after the rock was added read  

75

mL

, so the rock's volume is

V

rock

=

V

final

−

V

initial

=

75

l

mL

−

30

l

mL

=

45

l

mL

−−−−−−  

The equation for the density of the rock is

density

=

mass

volume

And so we have

density

=

130

l

g

45

l

mL

=

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

∣

2.9

l

g/mL

=

2.9

l

g/cm

3

∣

∣

∣

−−−−−−−−−−−−−−−−−−−−−−−−−

Explanation:

Answer:

☆☆☆☆☆

The trait distribution most likely change over this time such that the plants with favorable traits, medium-tip leaves and drip-tip leaves will survive due to natural selection.

Natural selection is the process by which organisms which are better suited to their environment survive whereas those not suited die off.

The organisms that are suited to their environment possess special features which enable them to adapt to changes in their environment.

Considering the plants in the rainforest with different leaf tips:

Since fungi grow in moist environments, it can be seen that plants with Trait C will be least favored to survive, while plants with Trait B will be most favored to survive by natural selection.

Thus;

In conclusion, plants with favorable traits will survive due to natural selection.

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Answer: Cellular Respiration and Photosynthesis, The tree releases oxygen during photosynthesis, which the fox takes in during cellular respiration. ... The fox releases co2 during cellular respiration, which the tree absorbs during photosynthesis.

Explanation:

I hope this helps have a great day!!!

A student walks 20 m north, 10 m south, and 3 m north. In order to have a displacement of 0 m, the student should walk 13 m toward the north from the original position.

Displacement may be defined as the process of movement of an object in which there is a change in position. The word displacement implies that an object has moved, or has been displaced. It is a type of vector quantity that has both magnitude and direction.

Now, according to the context of this question, when a student walks 20 m to the north, it means that he walks 20 m away from the original position.

Then he moves 10 m to the south which means that he is now 10 m away from the original position, but at last, he moves 3 m to the north gain which means that he is now 13 m far from the original position.

Therefore, a student walks 20 m north, 10 m south, and 3 m north. In order to have a displacement of 0 m, the student should walk 13 m toward the north from the original position.

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Answer:

All living organism need some method of moving substances from one part of the body to other parts of the body. For example, in living organisms food and oxygen are moved in the body to all the cells and waste materials such as carbon dioxide is taken away from them. The system of moving substances in different parts of body is called transport system. In plants, food and water are transported by bundles of tubes present in stem called phloem and xylem. In animals, food, water and respiratory gases (oxygen and carbon dioxide) and other substances are transported by blood.

In plants, transport system is not complicated as in animals. The transport system in plants consists of bundles of tubes in the stem, branches and roots. These tubes are called xylem and phloem. The main function of xylem is to transport water and dissolved minerals from the roots to rest of the plant body. While, the phloem transports the food manufactured in the leaves to all parts of the plant.

Answer:

b

Explanation:

Xylem is a vascular plants tube-like structures that move water.

Xylem is the specialised tissue of vascular plants that transports water and nutrients from the plant–soil interface to stems and leaves, and provides mechanical support and storage.

The xylem is a tissue which transports water and minerals from the roots up the plant stem and into the leaves. Xylem consists of dead cells. The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube.

Xylem cells constitute the major part of a mature woody stem or root. They are stacked end to end in the center of the plant, forming a vertical column that conducts water and minerals absorbed by the roots upward through the stem to the leaves.

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Answer:

Computer Training

Explanation:

Because since its computers, she mainly dealt with software.

Answer:

D

Explanation:

Answer:

Large global wind systems are created by the uneven heating of the Earth's surface. Warm air rises at the equator and moves toward the poles. ... At the poles, the cooler air sinks and moves back toward the equator. All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion. Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds

Explanation:

The correct answer is option B: b-lymphocytes

b-lymphocytes are associated with secreting chemicals that kill invading organisms and infected cells.

B-lymphocytes are also called effectors as they kick out the invaders from the body. These are also known as protective cells, plasma cells, and effector B-cells.

In general, B-lymphocyte cells release chemicals called antibodies which are used as protective shields against harmful invading bacteria.

Their defensive mechanism is based on attachment or binding to the invaders i.e. bacteria and viruses and killing them and eliminating them instantly from the body before they cause any harm.

Moreover, these cells also prevent the proliferation of harmful microbes inside the body.

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A biologist in Antarctica is trying to fudge some penguin data by moving the cute little guys across the ice. The evil biologist ties three, 4 kg penguins together such that there is a one-meter length of rope between each penguin. The evil biologist then pulls the first penguin with a force of 24 N. The tension in the cord between the last two penguins is 102.4 N.

There are three penguins with a mass of 4 kg each. They are tied together such that there is a one-meter length of rope between each penguin. The biologist pulls the first penguin with a force of 24 N. We need to calculate the tension in the cord between the last two penguins.

Here, the distance between each penguin is 1 m, and the total distance between the 1st penguin and the 3rd penguin is 2 m. The penguins are tied together, so they will move together at the same acceleration. The weight of the penguins is given by:

w = mg

where,

w = weight of the penguins

m = mass of each penguin = 4 kg

g = acceleration due to gravity = 9.8 m/s²

w = 4 × 9.8 = 39.2 N

Now, let's find out the acceleration of the penguins:

a = F/m

where,

a = acceleration

F = force applied = 24 N

M = total mass of the system = 3 × 4 = 12 kg

a = 24/12 = 2 m/s²

The tension in the cord between the last two penguins can be calculated using Newton's second law of motion.

F = ma

Where,

F = force applied

m = mass

a = acceleration

The forces acting on the last two penguins are their weights and the tension in the cord. These two forces are acting in the opposite direction from the force applied by the evil biologist.

Therefore, the net force will be the difference between the tension and weight. Let's find the weight of the last two penguins:

W = mg

where,

W = weight

m = mass of each penguin = 4 kg

g = acceleration due to gravity = 9.8 m/s²

W = 4 × 9.8 = 39.2 N

Let the tension in the cord between the last two penguins be T. So, the net force will be:

Fnet = T - 2w

where,

Fnet = net force = ma = 2 × 12 = 24 NT = 2w + Fnet

T = 2 × 39.2 + 24T = 102.4 N

Therefore, the tension in the cord between the last two penguins is 102.4 N.

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Before cyanobacteria, Earth's early atmosphere had high amounts of UV radiation, no ozone layer and no oxygen.

Incidence without oxygen in the atmosphere as well as the ozone layer, UVC and UVB levels would be extraordinarily high, requiring life to exist in dimly lit, gloomy surroundings. The development of photosynthesis led to the formation of the ozone layer and boosted atmospheric levels of free oxygen.

Cyanobacteria- Photosynthesis is carried by by the cyanobacteria taxon of microbes. They are not algae, despite the fact that they were once referred to as blue-green algae. It belongs to the phylum of bacteria and includes over 1500 distinct species. According to the endosymbiont theory, cyanobacteria are the ancestors of chloroplasts (plastids). Their DNA profile demonstrates this.

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Answer:

They are different.

Explanation:

I think poultry refers to ALL sorts of birds, such as Turkey and the like, whereas chicken is only one type of poetry. So they aren't technically different, but poultry is a much broader term.

Answer: Poultry are domesticated birds used for meat, eggs and feathers. Chickens fall into the poultry category. So, no they are not the exact same thing, chickens are just a part of poultry.