1.) A swollen guard cell is called

2.) A flat guard cell is called

For each of the given items, the independent and dependent variables, as well as constants are those variables that produce a change in another, the variable that depends on another to change, and that which does not change respectively.

In a scientific experiment, an independent variable is a variable that is altered or controlled to see how it affects the dependent variable. In a scientific experiment, the variable under test and being measured is known as the dependent variable.

A constant in an experiment does not vary but remains unchanged at the end of the experiment.

Considering the given items, the independent and dependent variables, as well as the constants are as follows:

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Answer:

D. 0.87

im not sure bro

Explanation:

try this

I think the correct option is C.

Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.

In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.

Competition leads to differential survival and reproductive success among individuals.

Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.

These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.

Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.

Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.

Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.

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The part of the business cycle when the slide in output or Real GDP stops is b. Trough.

The trough is usually the fourth phase of the business cycle. The business cycle starts with peak, recession or contraction, trough, expansion. During the trough, the economy transits from its contraction phase to the expansion phase before attaining its peak.

Thus, the part of the business cycle in which output or Real GDP stops its slide is Trough. It marks the lowest ebb in the business cycle.

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The grey matter includes neural cells, dendrites, and axon terminals, whilst white count number consists of axons and myelin.

The white rely takes place in both the brain and spinal wire. but, gray be counted is a large part of the mind. the main difference among white rely and grey rely is that white count number mainly incorporates myelinated axons and gray matter specifically consists of cells, axon terminals, and dendrites.

Gray be counted is a grey area across the critical anxious machine of the CNS. A combination of neuron bodies of interneurons and motor neurons and neuroglia. Synapses from grey matter. White depend does not incorporate the bodies of neuron cells however millions of axons and neuroglia.

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Answer:

- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.

What is binomial nomenclature?

Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.

Binomial Nomenclature also known as the binary nomenclature.

It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.

The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.

Both of this term is written in italic and the genus name is capitalized.

Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.

Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.

These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.

Summary of the limitation binomial nominclature:

- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.

Answer: preserved soft tissue

Explanation: just took the test!

The feature do amber fossils have that mold fossils do not preserved soft tissue. Thus, option A is correct.

The fossil can be defined as the compression of the animal, plant or some organism that was living. It is compressed by the rocks or or settled in the water bodies in the form of sediments. The fossil residues have some of the carbon left in it.

This carbon is estimated by carbon dating in order to get the age of the fossil.The preserved fossils have carbon residue left which can be used as a source of information.

There are several types of the connective tissues: bones, ligaments, tendons, cartilage, and adipose tissue. In the foot, among all connective tissues, ligaments and tendons are the most abundant types. Ligaments and tendons mostly consist of densely packed collagen, which is the main structural protein of the connective tissues.

Therefore, The feature do amber fossils have that mold fossils do not preserved soft tissue. Thus, option A is correct.

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Answer:

B

Explanation:

Osmosis moves water by diffusing, if someone drinks too much water it might make them feel sick or be sick, this is the brains response to an overdose of water because the brain is aware that a red blood cell might swell and burst

Answer:

The correct answer is - B. Water can have a cold temperature.

Explanation:

Qualitative measurement is a type of measurement that is not based on numerical or numbers but is completely based on the quality of the particular thing. It can be distinguished on basis of the term quality which is based on the character of the substance or condition whereas quantitive is which is based on numerics or numbers.

Among these, all the three choices have numerical measurement but the choice in which it is expressed that water can have cold temperature is qualitative measurement as cold is the quality of the water here.

Answer:

1. is chemical energy

2. is gravitational energy

3. is mechanical energy

4. is radiant energy

Explanation:

The most accurate statements are A and C which represents that viruses and bacterial cells contain structures made from proteins, and viruses and bacterial cells have DNA or RNA.

Bacteriophage may be defined as any group of viruses that are capable of infecting bacteria.

Genetic information in bacteria and many viruses are encoded in DNA, but in some viruses, RNA is there to encode genetic information.

Viruses do not undergo the process of cell division, bacteria lack mitochondria for energy production.

The size of the bacteria is found to be much greater than viruses.

Therefore, the most accurate statements are viruses and bacterial cells contain structures made from proteins, and viruses and bacterial cells have DNA or RNA.

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The statement "our entire blood volume circulates through your kidneys" is absolutely false.

The function of the kidneys is to cleanse the blood of toxins and transform the waste into urine. The human body consists of two kidneys. Each kidney weighs about 160 grams and gets rid of between one and one-and-a-half liters of urine per day. The two kidneys together filter 200 liters of fluid every 24 hours.

About one-quarter of the total cardiac output (or total blood flow) circulates through the kidneys. This equates to just over 1 liter of blood every minute. So, it is incorrect to say that our entire blood volume circulates through our kidneys.

Therefore, the statement "our entire blood volume circulates through your kidneys" is absolutely false.

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A coin flip has a 50% chance of coming up heads. This is true for every flip of the coin, so if you make it three times, your chances of getting heads are 1/2 * 1/2 * 1/2, or 1/8.

A space might look like this: HHH, HTH, THH, TTH, HHT, HTT, THT, TTT.

There are a total of eight distinct results.

If three heads appear in a row, the likelihood is,

If A, then P(getting three heads) (getting three heads)

= 1/8 ( i.e, HHH) ( i.e, HHH)

There is a 1/8 probability that you will get three consecutive heads if you flip a coin three times (i.e., HHH).

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Explanation:

females have the set XX and males have XY

Females have a set of two X chromosomes

Answer: Earth's early atmosphere was formed mainly of gases that came from volcanoes and was also built up of methane, hydrogen sulfide and carbon dioxide.

Explanation:

Answer:

Ecological scientists study organism-environment interactions across ecosystems of all sizes, ranging from microbial communities to the Earth as a whole. In its life and reproduction, every organism is shaped by, and in turn shapes, its environment.

Explanation:

Answer:

Cell

Explanation:

DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region of prokaryotic cells. Eukaryotic cells contain their DNA in the nucleus, and thus this is where DNA replication occurs.

We can see a number of intermediate products made of carbon molecules that follow the Calvin Cycle.

These products and the chemicals that make them up the Calvin Cycle can be listed as follows:

1. Carbon Dioxide contains 3 molecules or 3 carbons.

2. 6-phosphoglycerate has 18 carbons in 6 molecules.

3. 1,3-Bisphosphoglycerate, which contains 6 molecules and 18 carbons.

4. There are 15 carbons in 5 molecules of glyceraldehyde-3-phosphate.

5. Ribulose-5-phosphate, which has 3 molecules and 15 carbons.

6. Three ribulose 1,5-bisphosphate molecules have a total of 15 carbons.

It is crucial to note that after photosynthesis, the Calvin Cycle is one of the pathways for fixing carbon in plants.

Melvin Calvin first described this procedure, which has three stages: fixation, regeneration, and receptor.

The complete question is:-

For each intermediate compound in the Calvin cycle, identify the number of molecules of that intermediate and the total number of carbon atoms contained in those molecules. As an example, the output G3P is labeled for you: 1 molecule with a total of 3 carbon atoms. Labels may be used once, more than once, or not at all.

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The cytoplasm is a fluid substance that fills every living cell which is enclosed by the cell membrane. This substance is mainly composed of water and proteins.

The functions that take place within the eukaryotic cytoplasm are diverse:

On the other hand, in plant cells, the cell wall is located outside the cell membrane.

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Answer:

The correct answer is "identify the order in which rock units formed".

Explanation:

Relative dating methods are experimental approaches that allow to identify the relative order of past events. Instead of determining the absolute age of samples such as rocks or fossils, relative dating methods correlate which samples are older. Therefore, relative dating methods help scientists to identify the order in which rock units formed.

The control groups are those who are not infected, and the experimental groups are those who must be tested, with the dependent variables being disease incidence and the independent variables being effects on the dependent variable.

Bird flu is a virally infectious disease and this is generally first transmitted to birds, and later it gets spread to other animals and humans with a high mortality rate, but human-to-human transmission is rarely seen.

Hence, the control groups are those who are not infected, and the experimental groups are those who must be tested, with the dependent variables being disease incidence and the independent variables being effects on the dependent variable.

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A pedigree is a representation of a family history tracking a trait and  showing the inheritance pattern of the trait and its expression. The whole progeny expresses unattached earlobes.

The autosomal recessive trait is the characteristic that is coded by a gene located in an autosomal chromosome (this is, not a sex chromosome).

This trait is recessive because it is coded by the recessive allele, meaning that the dominant allele hides its expression.

The presence of only one dominant allele in the genotype is enough for the idividual to express free earlobes.

             Genotype                                  Phenotype    

EE, Homozygous dominant                  Free earlobes

Ee, Heterozygous                                  Free earlobes

ee, Homozygous recessive                   Attached earlobes

The pedigree is the representation of a family history conserning a certain trait. In this case, attached earlobes.

The pedigree shows the expression -and inheritance pattern- of the trait through several generations.

To correctly interpret a pedigree, we need to know that

Family members

→ Individuals are represented with geometrical figures.

→ Males are squares

→ Females are circles

Trait/Phenotype

→ Healthy/normal/not affected  individuals are represented with empty figures

→ Affected/mutated individuals are represented with solid black figures

Generations

→ Each file is represented with a roman number, indicating the Generation.

In the exposed example, we will assume that

According to this pedigree,

I- 1- man with attached earlobes (shaded)

I- 2- woman with unattached earlobes (empty)

II-1 - man with attached earlobes (shaded)

II-2 -woman with unattached earlobes (empty)

II-3 - man with attached earlobes (shaded)

II-4- do not have information

II-5 - woman with unattached earlobes (empty)

III-1 - man with attached earlobes (shaded)

III-2 - woman with attached earlobes (shaded)

III-3 - man with attached earlobes (shaded)

III-4 - no information

III-5 - No information

III-6 - woman with unattached earlobes (empty)

Since we so not have enough information, we will assume

Individual III-6 is a woman that expresses unattached earlobes. Since we do not know her genotype (homozygous or heterozygous), we will represent it as E- ⇒ The symbol - represents either the dominant or recessive allele.

This woman marries a man who was homozygous for unattached earlobes, EE.

Cross:

Parentals)  E-    x     EE

Gametes) E   -     E     E

Punnett square)  E       -

                    E     EE     E-

                    E     EE     E-

F1) 50% homozygous dominant EE

     50% is expected to be either homozygous dominant EE or heterozygous Ee

     100% is expected to have unattached earlobes.

Their whole progeny is expected to express unatached earlobes, because the father (EE) can only provide dominant alleles, and the simple presente of a dominant allele is enought to express the dominant trait.

IMPORTANT NOTE:

Up to this point we consider shaded shapes as individuals carring the trait attached earlobes. So, according to this reasoning, all shaded individuals must express the recessive trait and genotype ee.

However, according to the provided explanation, shaded individuals express the dominant trait.

If this is the case, individual III-6 is homozygous recessive ee expressing attached earlobes.

When she marries a homozygous dominant man expressing unattached earlobes EE, their children will only be heterozygous Ee and express unattached earlobes.

You will find both options in the attaced files. In any case, the whole progeny expresses unattached earlobes.

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Answer:

all of their children would have unattached earlobes

Explanation:

Answer:

The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

Explanation:

When a stone is dropped into water, it disturbs the surface of the water, and this is called "ripples" or "waves".

The disturbance caused by the stone creates waves that travel away from the point where the stone entered the water. These waves can be seen as ripples spreading outwards from the point of impact. The size and shape of the ripples depend on various factors, such as the size and weight of the stone and the depth and temperature of the water.

As the waves move away from the point of impact, they carry energy with them. This energy is transferred to the water molecules as the waves pass by, causing them to move up and down. The movement of the water molecules creates a wave pattern that can be seen on the surface of the water.

The ripple effect caused by a stone dropped into water is a simple example of how energy is transferred through a medium. It is also a common visual metaphor used to describe the way in which small actions can have large and far-reaching consequences, as the ripples caused by the stone continue to spread outwards in all directions, affecting everything in their path.

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The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Answer:

D

Explanation: