The lack of ________ ________, a shearing canine/premolar arrangement, is indicative of a derived characteristic of early hominins or evolved in both hominins and other hominoids due to homoplasy.

For a given stimulus dimension, such as weight, a difference threshold is the minimum amount of difference between two stimuli that a person can detect. The threshold can vary depending on the specific stimulus dimension, as well as individual differences in perception and sensitivity.

To explain further, the difference threshold is also known as the just noticeable difference (JND) and represents the smallest change in a stimulus that a person can perceive. For example, if a person is holding two objects of different weights, the difference threshold is the smallest amount of weight difference between the two objects that the person can detect.

The threshold can be influenced by various factors, such as the intensity of the stimulus, the context in which it is presented, and the person's attention and motivation. Additionally, the threshold can be measured using various methods, including the method of constant stimuli and the method of limits.

In summary, the difference threshold or JND is a crucial concept in sensory perception and refers to the minimum amount of difference between two stimuli that a person can detect for a given stimulus dimension, such as weight.

For more information on just noticeable differences visit:

brainly.com/question/30714760

#SPJ11

When an atom of Carbon forms covalent bond with four different types of atoms then the bond angle forms at the corners of an imaginary tetrahedron.

The correct option is option a.

Carbon has four valence electrons and hence is is known as a tetrahedral element. It has the ability to form bonds with four different types of atoms by sharing its four outermost shell electrons.

When the carbon atom gets bonded to four other types of atoms  using covalent bonds then the hybridization is of the sp3 type and the 1 s orbital as well as the 3 p orbitals which are present in the same shell of the atom combine in order to produce four new equivalent orbitals. The arrangement is an imaginary tetrahedral with a bond angle of 109.5°.

To know more about tetrahedral

https://brainly.com/question/28482108

#SPJ4

Answer: True

Explanation:

To calculate the population density, you will divide the population by the size of the area.

Formula=Population Density = Number of People/Land Area.

The number of inhabitants, or the population divided by the area's size, determines the population density. Many creatures' distribution, growth, and migration can all be described using population density.

Population density is the number of individuals of a species in a specific geographic area.

It is computed by dividing the population, or the total number of people in a population, by the total amount of space, in this example, the land area.

Demographic data can be quantified and examined in relation to infrastructure, ecosystems, and human health using population density data.

High population densities are typically found in lowland plains, flat river basins and deltas, and volcanic regions with good soil.

Low population densities are typically seen in mountainous regions with steep slopes and poor soil.

Therefore, it is true to calculate population density is by dividing the total population by the land area.

Learn more about population density here:

https://brainly.com/question/16894337

#SPJ2

Answer: Genes come in pairs which are passed down by the parents'. Both parents pass on one copy of their genes to create a gene for the child; this will later create a trait.

Protein is the correct answer

Microbes have the ability to regulate the expression of genes to conserve energy and resources required for their survival. They do not produce any unnecessary proteins to save their energy for growth, reproduction, and defense.

Thus, to compete successfully with others, microbes will not waste energy making unneeded proteins. They have evolved a number of regulatory mechanisms for protein synthesis that ensure the production of the right protein at the right time under the right conditions. Microbial cells have a number of feedback mechanisms that control the production of proteins. For example, when a particular protein is not needed, the gene that codes for it may be turned off, which decreases the synthesis of the protein. When the protein is required again, the gene will be turned on, and the protein will be synthesized again.

Another way microbes conserve energy is through the use of operons. Operons are groups of genes that are involved in the production of a specific protein or set of proteins. These genes are located together on the chromosome and are regulated by a single promoter region. When the protein is needed, the operon is turned on, and all the genes involved in its production are transcribed and translated. When the protein is no longer needed, the operon is turned off, and transcription and translation are stopped.

More on Microbes: https://brainly.com/question/30450246

#SPJ11

Answer:

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

Explanation:

Brainliest; please?

The absence of a proper nucleus and membrane-bound organelles distinguishes prokaryotic cells from other types of cells. Endoplasmic reticulum, Golgi bodies, mitochondria, plastids, or membrane-bound vesicles are not present in prokaryotic cells.

It is possible for microorganisms to be bacteria, fungus, archaea, or protists. Virens and prions, which are typically categorized as non-living entities, are not considered to be microbes. Similar in size to prokaryotic cells are mitochondria and chloroplasts. Circular DNA is unique to both mitochondria and prokaryotic cells. A 70S type of ribosome can be found in chloroplasts, mitochondria, and bacteria.Prokaryotic cells lack the large number of membrane-enclosed organelles (such as mitochondria, lysosomes, and the Golgi apparatus) seen in eukaryotic cells, which also have a nucleus that is attached to a membrane.

To know more about prokaryotic cells, click here:

https://brainly.com/question/29771587

#SPJ4

Answer:

B

Explanation:

B is the true line i think

Based on the given flowchart (Soil Roots→Plants → Animals), the process likely to be occurring in the plant's roots is: Nitrogen fixation. The correct option is D.

The evaporation of water from plants is known as transpiration. As much as 99.5% of the water received by a plant's roots is surplus water that transpires out of the plant rather than being used for growth or metabolism.

Additionally, the movement of water and nutrients from the roots to the shoots is accelerated by transpiration. As a result, transpiration mechanisms have an impact on the global carbon and hydrological cycles as well as the yield and survival of agricultural species.

This is because nitrogen fixation is the process where atmospheric nitrogen is converted into a form that plants can absorb through their roots and use as nutrients.

Therefore, the correct option is D.

Learn more about Transpiration here:

https://brainly.com/question/13891305
#SPJ5

In a cohort study a scientist collects health data on a group of nurses. characteristic was used to form the cohort occupation.

The 3 types of observational study are:

Thus, In a cohort study a scientist collects health data on a group of nurses. characteristic was used to form the cohort occupation.

To learn more about occupation click here:

https://brainly.com/question/12301821

#SPJ2

Answer:

occupation

Explain:

the common factor/how they were picked and selected is by their job/ "occupation".

Knowing the status of active processes like absorption, distribution, and elimination is crucial in determining the efficacy and safety of drugs. This information is critical in preventing drug interactions, over-dosages, and under-dosages, which can result in adverse drug reactions or even death.An understanding of the drug's pharmacokinetic profile will help the medical professionals determine the optimal dose, frequency, and duration of administration.

This understanding is crucial in determining the effectiveness of the drug and in predicting the likelihood of adverse effects that may arise.The information can help medical professionals in predicting the drug's effectiveness and safety for specific patients. This may also help them to decide whether it would be appropriate to adjust the dosage, route of administration, or frequency of administration. Furthermore, it can aid in determining the appropriate timing of medication administration relative to meals or other medications.

Therefore, it is important to know if there are active processes occurring in absorption, distribution, and elimination to provide effective treatment, minimize risk of drug interactions, and improve patient safety.

To know more about drugs visit:-

https://brainly.com/question/30778395

#SPJ11

Answer:

In order to be able to calculate the volume of oxygen gas produced by this reaction, you need to know the conditions for pressure and temperature.

Since no mention of those conditions was made, I'll assume that the reaction takes place at STP, Standard Temperature and Pressure.

STP conditions are defined as a pressure of

100 kPa

and a temperature of

0

∘

C

. Under these conditions for pressure and temperature, one mole of any ideal gas occupies

22.7 L

- this is known as the molar volume of a gas at STP.

So, in order to find the volume of oxygen gas at STP, you need to know how many moles of oxygen are produced by this reaction.

The balanced chemical equation for this decomposition reaction looks like this

2

KClO

3(s]

heat

×

−−−→

2

KCl

(s]

+

3

O

2(g]

↑

⏐

⏐

Notice that you have a

2

:

3

mole ratio between potassium chlorate and oxygen gas.

This tells you that the reaction will always produce

3

2

times more moles of oxygen gas than the number of moles of potassium chlorate that underwent decomposition.

Use potassium chlorate's molar mass to determine how many moles you have in that

231-g

sample

231

g

⋅

1 mole KClO

3

122.55

g

=

1.885 moles KClO

3

Use the aforementioned mole ratio to determine how many moles of oxygen would be produced from this many moles of potassium chlorate

1.885

moles KClO

3

⋅

3

moles O

2

2

moles KClO

3

=

2.8275 moles O

2

So, what volume would this many moles occupy at STP?

2.8275

⋅

22.7 L

1

mol

=

64.2 L

Explanation:

Answer:

Plants fibers are obtained from cotton plants and jute plants.

Explanation:

Answer:

14. Carcinogenic

15. Not sure. I believe it is monoclonal antibodies.

Answer:

B- homology

Explanation:

If you look at the definition of homology, you can see that it compares the two organisms to see what is similar about them.

The type of stimulus following a behavior removes something that is unpleasant is the negative reinforcer.

Stimulus is any signal. This can be in the form of touch, smell, taste, etc. This stimulus triggers the nerve cells of the body that send to signals to the brain to generate a response. For example, when one person touches a hot utensil, the touch of heat acts as a stimulus, where the brain sends response in the form of instantly removal of the hand.

Negative reinforcement is the response towards a stimuli that has not yet been received. For example, taking a medicine before any disease appears  is the acts of negative reinforcement.

To know more about negative reinforcement, here

brainly.com/question/14299460

#SPJ4

Answer:The circulatory system consists of your heart and blood vessels. The heart’s job is to pump blood throughout your body.

The left side of the heart takes oxygen-rich blood from the lungs and pumps it to other parts of the body to use. The right side of the heart pumps blood to the lungs to add oxygen to it.

The heart has a very busy job! When you are resting, your heart pumps between 60-100 times each minute. When you are exercising, it pumps much faster to deliver blood to your muscles.

The heart is responsible for getting the oxygen to your muscles, but it is the respiratory system’s job to provide the oxygen. This means that the circulatory system is directly linked to the respiratory system.

The respiratory system gathers oxygen and removes carbon dioxide.

simple diagram of the lungs and respiratory system for kids

The main part of the respiratory system is the lungs. It is the lungs’ job to bring air into and out of the body. Oxygen from the air you inhale moves through small blood vessels and enters the bloodstream. It then hitches a ride on red blood cells and travels to all parts of the body.

The blood coming back to the lungs contains carbon dioxide. When you exhale, you remove carbon dioxide which your body does not need anymore.

The digestive system breaks down food to release nutrients.

simple diagram of the digestive system for kids

Digestion begins when we break food down into little pieces in our mouth with the help of teeth, the tongue and saliva.

After that, food travels down the esophagus and into the stomach, where it’s further broken down by stomach acids.

From the stomach, it heads to the small intestine. Here, your body removes nutrients it needs from food, and sends the nutrients to parts of the body through the circulatory system.

Finally, the digested food is sent to the large intestine, out of your body… and beyond!

RESPIRATORY SYSTEM

PRIMARY PURPOSE: Breathing - taking in Oxygen, pushing out Carbon-Dioxide (CO2)

PRIMARY ORGANS: Lungs, trachea (tube going from lungs to nose/mouth)

(1) Inhales (breathes in) Oxygen - good for the body - gives it to the Circulatory System to be transported

throughout the body through the blood.

(2) Exhales (breathes out) Carbon-Dioxide (CO2) - lungs get this gas from the blood (Circ. Sys.) and pushes it out of the body

NERVOUS SYSTEM

PRIMARY PURPOSE: Control Center: transports messages to/from the Brain!

PRIMARY ORGANS: Brain, nerves, neurons, spinal cord (main connection coming out of the brain to the rest

of the body’s nerves)

(1) Sends messages to the entire body from the Brain.

(a) Involuntary messages/signals tell the body parts to do regular actions for body to work; We don’t think

about these actions; like breathing, heart-pumping, digestion, etc

(b) Voluntary messages/signals tell the body parts to do something particular; We think about these

actions; LIKE: We decide to raise our arms; We choose words to speak; We choose to look in a certain

direction; etc.

(2) Receives messages from the 5 senses (hearing, touch, taste, seeing, smelling) takes those to the Brain and

the brain processes the new information - and how to react if necessary.

Immune System

The body needs to defend itself against germs and infection. The immune system is the body’s shield against unfamiliar things like viruses and parasites. When the immune system detects something foreign, it will attack it to protect the body. For example, if bacteria get into your body through your mouth, the immune system would send white blood cells to kill the invading germs. Sometimes the white blood cells win and you don’t get sick. Other times, the white blood cells aren’t able to stop an illness and you will get sick. If this happens, the white blood cells will keep fighting until you are well again.

Excretory System

As the body performs its various functions, it creates waste products that have to be removed. The body has to have a way to remove both liquid and solid waste to stay healthy. The kidneys are in charge of keeping the right balance of fluids and salt in the body. After filtering, the kidneys move waste fluids out of the body as urine. The excretory system also removes waste when you breathe out and when you sweat. Defecation is the way the body removes solid waste.

The Excretory System (PDF): The excretory system helps maintain the proper balance of water and salts in the body.

Human Excretory System (PDF): The excretory system is responsible for removing wastes from the body using organs including the kidneys and the liver.

Excretory (Urinary) System (PDF): Liquid waste leaves the body through the urinary system, which includes the kidneys, bladder, and urethra.

Explanation:

trust

The three main stages of wound healing are: Inflammatory phase , Proliferative phase, Maturation phase

Inflammatory phase: This stage begins immediately after the injury and lasts for several days. During this stage, the body's immune system responds to the injury by sending white blood cells to the site of the wound to fight infection and remove any debris. Proliferative phase: This stage begins a few days after the injury and can last for several weeks. During this stage, new tissue is generated to fill the wound. The wound begins to granulate, with new blood vessels forming to bring oxygen and nutrients to the site. Maturation phase: This stage begins several weeks after the injury and can last for up to two years. During this stage, the new tissue that was formed during the proliferative phase is remodeled and strengthened. Collagen fibers reorganize and align in the direction of stress, making the new tissue stronger.  These stages of wound healing are interdependent and overlap to some degree, and a variety of factors, such as age, nutrition, and underlying health conditions, can affect the healing process.

To learn more about Inflammatory phase here:

https://brainly.com/question/8984296

#SPJ4

Answer:

a banana slog decomposing a redwood tree

Explanation:

please let me know if im wrong hope it helps

Answer:

dominant

Explanation:

Answer:

One method is to mark off a particular area, then count the number of a particular species within this boundary, called a quadrat. ... The more quadrats they study, the more accurate the estimate. Indirect Counting. A sampling technique for organisms that move around a lot or are difficult to see is indirect counting.

Explanation:

hope this helps

Answer:

It gives off only one wavelength of electromagnetic radiation.

Explanation:

The release of antidiuretic hormone signals to conserve water and produce more concentrated urine.

Antidiuretic hormone or ADH is made in a part of the brain known as the hypothalamus. ADH plays a role in controlling blood pressure by acting on the kidneys and blood vessels. One of ADH's most important roles is to irritate the volume of body fluids by reducing the amount of water excreted in the urine.

Deficiency of the ADH hormone can cause excessive removal of air from the kidneys resulting in frequent urination (polyuria), which is a symptom of diabetes insipidus. Excess water as a waste product of metabolism in the body will be removed by the sweat glands and kidneys.

Learn more about antidiuretic hormone here https://brainly.com/question/28063750

#SPJ4

Implied line creates a sense not only of enclosure and connection, but also movement and direction.

Invisible lines are implied lines. Along with movement and direction, they also produce a sense of enclosure and connectedness. A line that implies the edge of an object or a plane inside of an object is referred to as an implied line in art.

The line may be interrupted by sporadic marks, specified by value, color, or texture, or it may not even be discernible. This is a potent weapon that any artist can employ since, with any inferred line, our brain perceives that the line must exist.

Here is another question with an answer similar to this about implied lines: https://brainly.com/question/20165490

#SPJ4

Answer:

THE use of energy (usually in the form of ATP) is necessary for the process of active transport to occur.

Energy in form of ATP is necessary for the process of active transport to occur.

Therefore, this means that energy in form of ATP is necessary for the process of active transport to occur.

Learn more about active transport at: https://brainly.com/question/2503897

The most likely identification of the microorganism based on the provided information is Haemophilus influenzae.

The presence of yellow-pigmented colonies on the surface of a sheep blood agar plate suggests the growth of Staphylococcus species. Additionally, the observation of tiny semi-translucent colonies that satellite around some of the colonies indicates the presence of satellite growth, which is a characteristic of Haemophilus influenzae.

The presence of pleomorphic gram-negative bacilli on Gram stain further supports this identification. Haemophilus influenzae is a gram-negative bacterium known to exhibit satellite growth around colonies of other bacteria on agar plates. Its pleomorphic nature and gram-negative characteristics align with the observations made in this case.

To learn more about Haemophilus follow the link:

https://brainly.com/question/31556175

#SPJ4

Answer:

bb, bb, Bb, Bb

Explanation:

Brown eyes are a domininat (B) gene whilst blue eyes are recessive (b). In order for the children to have blue eyes, both parents must contain the recessive genes for blue eyes. This means that the father had mixed genes (Bb) for blue and brown eyes but due to the dominant brown gene has Brown eyes. The mom has blue eyes meaning that she has the recessive gene pair for blue eyes (bb). When the pair's genes are mixed. Bb+bb. Mendelian gene crossing occurs and the offspring have a 1:2 chance of inheriting either blue or brown eyes due to the gene mixture that resutls and is shown in the answer above.

Answer:

The methods are those of intense polyculture.

Explanation:

Edge 3/2021