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The table lists the observations students made about four specimens under a microscope. Based on these observations, what specimens did the
students examine?
animal plant
virus
| prokaryote
cell membrane present
ribosomes present
lysosomes present
nuclear membrane present
cell wall present
ribosomes present
nuclear membrane absent
cell wall present
ribosomes present
nucleus present
large vacuole present
reproduces inside of a cell
nucleus absent
RNA present
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The comparison of the "rabbit-whale" relationship to the "dog-pig" relationship on the cladogram is linked based on their evolutionary relationships.

This refers to the branching diagram that is used to show the link and the cladistic relationship that exists among different species.

Hence, we can see that based on the fact that rabbit-whale and dog-pig have a common ancestor and origin, on a cladogram, it can be stated and proven that they have an evolutionary relationship.

Therefore, the use of cladograms makes use of molecular data to show the homology level of nucleotide sequences of the genome.

Therefore, when the relationship of the "rabbit-whale" relationship to the "dog-pig" relationship was analyzed on the cladogram, it was found that they have a common ancestor.

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Answer:

Carbon dioxide

Explanation:

Fossil fuels usually contains hydrocarbons

While burning they react with oxygen to form carbon dioxide and water .

The reaction is exothermic and given by

Answer:

Option B, carbon dioxide

Explanation:

Step 1:  Determine the correct solution

We hear about it all the time, global warming and the reason behind it is all of the carbon emission.  Carbon emission is produced by the increase in carbon dioxide that is produced.  

\(Fuel + O_2 = CO_2 + H_2O\)

From this equation we can see that using fuel, it consumes oxygen also, it produces CO2 which is also known as carbon dioxide.  Therefore, the correct option is option B.

Answer: Option B, carbon dioxide

The wildebeest populations existence would become significantly threatened by droughts due to the shortage of food and water sources which could result in malnutrition or their easy prey by predators in their habitat.

It is possible for these animals to employ certain survival strategies such as:

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Answer:

they would absorb

Explanation:

hopes that helps

Giant Impact Theory: The Moon was formed by a collision between Earth and a planet the size of Mars.

Colliding planetesimal Hypothesis: Planetesimals collided and merged to form the Moon.

Capture Hypothesis:  As it passed past, Earth's gravity locked the Moon into orbit.

Accretion Hypothesis: The Moon was produced from the same material cloud that created the Earth.

According to scientists, the following are the recognized theories of lunar formation:

According to this idea, a Mars-sized object named Theia collided with Earth, leaving a large portion of the planet to float in space, eventually forming the Moon. This is the most widely accepted idea of all since the Moon is moving away from Earth and its rocks are fairly similar to those of Earth.

1:  According to this idea, the Moon was born somewhere else and was drawn into Earth's orbit by its gravity as it passed by.

2. Capture Hypothesis: According to this idea, the Moon and Earth arose from the same cloud of material at the same time.

3. Accretion Hypothesis:  According to this idea, a vast number of small rocky objects known as planetesimals crashed and merged over a long period of time.

4. Colliding planetesimal Hypothesis: According to this idea, the Moon was formed by a huge number of small rocky objects known as planetesimals colliding and combining over a long period of time.

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Answer:

A is the correct answer of this question

Explanation:

I hope this helps

Answer:

trench

Explanation:

Answer:

GTC. It would be silent because it does not have an effect on the amino acid sequence.

Explanation:

GTC is the mutation. It does not change anything to the extent of affecting the amino acid sequence, therefore it is silent. It is best to write the answer exactly as written in the "answer section", to avoid mix-up or confusion.

Answer:

The choices were:

Explanation:

segregation of alleles

codominance of traits

polygenic expression of traits

independent assortment of alleles

A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating, and this happens due to the independent assortment of the alleles.

The mendel explains how the traits are expressed and explained by different laws, and out of those laws, one is the law of independent assortment, where he explains that alleles can independently assorted and segregate and form the gametes. The pea plant is an example. In the pea plant, the heterozygous plant for height is Tt, and these two alleles can segregate and can form both tall and short plants. When the two Tt self-pollinate, then three of them are tall and one is short.

Hence, A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating, and this happens due to the independent assortment of the alleles.

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The question is incomplete, the complete question is the following:

A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating. Which of the following explains why this occurs?

independent assortment

segregation of alleles

polygenic expression

expresses codominance

Answer:

200 to 500 milliseconds

Explanation:

Attentional blink is a phenomenon that puts time-related limitations to the ability to utilize visual attention. When an individual must identify two visual stimuli presented one after another, the accuracy is very poor for the second stimulus if it occurs within 200 to 500 milliseconds of the first stimulus.

So, in our question, the gap is filled by 200 to 500 milliseconds.

Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.

Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.

Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.

Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.

The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.

Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.

This shows that Carlton has an impaired absolute threshold.

He could not detect the smallest quantity of a stimulus to differentiate between the smells.

Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.

This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.

Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.

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Answer:

Growing extra gills

Explanation:

That's impossible

Answer:

growing extra gills is the answer

It was clearly contaminated somehow. Maybe the technician breathed on it. Maybe the slide wasn't cleaned properly. The bacteria came from somewhere.

Answer:

C) display each of the four key characteristics of the chordates at some point in the life cycle

Explanation:

To be characterized as a chordate, an organism must display each of the four key characteristics of the chordates at some point in the life cycle. Therefore, the correct option is C.

To be characterized as a chordate, an organism must display four key characteristics at some point in its life cycle.

These characteristics include having a notochord (a flexible rod-like structure), a dorsal hollow nerve cord, pharyngeal slits or pouches, and a tail.

It is not necessary for all four characteristics to be present simultaneously or in both the larval and adult stages. As long as the organism exhibits these characteristics at some stage of its life, it can be classified as a chordate.

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Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

The statement which is true about this scenario is it being a homologous structure.

This is defined as an organ, system, or body part that shares a common ancestry in multiple organisms.

This is usually detected through similarities in their bone features thereby making homologous structure the most appropriate choice.

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Answer:

(Q1) One variable increases, then the other increases, as well.

Which term would best describe this scenario?

(Answer) positive correlation

(Q2) Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its descendants?

(Answer) transitional fossils

(Q3) By studying the limbs and fossils of different animals, such as a horse leg and a human leg, scientists have noticed that there are similarities in their bone structures. This is evidence that their bone structures and limbs may have evolved in similar ways.

Which statement is true about this scenario?

(Answer) The scenario is describing a relationship known as correlation.

(Q4) A fossil indicates that whales might have started out as small land mammals. This animal was about the size of a wolf and had a diet of meat and fish. While the fossil has the body of a land animal, its head is shaped like a whale with an ear bone that is unique to whales.

Which statement is likely true about the fossil?

(Answer) It is a transitional fossil that shows correlation.

(Q5) When Charles Darwin published his book On the Origin of Species, he addressed his theory of descent with modification through

(Answer) natural selection.

Explanation:

i just took the quick check UwU.  these are the correct answers for the 2022 school year. hope this helps <3

Fever, neck pain/stiffness, and photophobia are common symptoms. Headache, dizziness, disorientation, and delirium are meningitis that can manifest differently depending on the host's age.

The infection and inflammation of the fluid and membranes around the brain and spinal cord are known as meningitis. These membranes are known as meninges. Meningitis inflammation often causes symptoms such as headache, fever, and stiff neck.

Hospital tests, A physical examination to seek for signs of meningitis. A blood test to detect germs or viruses. A lumbar puncture is a procedure in which a sample of fluid from the spine is removed and tested for germs or viruses. a CT scan to look for any brain issues, such as oedema.

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According to the scientific methodology, researchers must make themselves a question and then propose a hypothesis. B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

When following the scientific methodology researchers must formulate a question and a hypothesis.

The question is what the researcher wants to know. It is triggered when making an observation for which there is no explication yet. The researcher wants to know what is causing a certain event and how or why it is occurring.

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes to predict what is going on or what is expected to occur.

Option B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

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This adaptation is the result of - B beneficial traits passed from parents to offspring

The quicker rate of reproduction of anole lizards is one clear explanation for a faster pace of evolution. Anoles normally mate during their first year of life, although other reptiles take considerably longer.

Leg length and toe pad size differences are adaptations that allow anoles to live effectively in a variety of environments.

When they reduce their activity and are under damp and chilly circumstances, they become brown.

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Viruses spread by infecting cells and replicating within them. There are several ways that viruses can spread from one person to another:

Direct contact: Viruses can be spread through direct contact with an infected person, such as through shaking hands or hugging.

Indirect contact: Viruses can also be spread through indirect contact, such as by touching a surface or object that has been contaminated with the virus and then touching one's face, mouth, or eyes.

Respiratory droplets: Some viruses, such as the virus that causes COVID-19, are spread through respiratory droplets that are produced when an infected person talks, coughs, or sneezes. These droplets can land in the mouths or noses of people who are nearby or be inhaled into the lungs.

Sexual contact: Some viruses, such as HIV and herpes, are spread through sexual contact.

Overall, viruses can spread through a variety of means, and the specific method of transmission can depend on the specific virus and the mode of infection.

Answer:

D. pteridophyte I did this btw

Explanation:

The statement that best describes the population size between 1990 and 2011 is many increases and decreases but declined overall. Thus, the correct option for this question is B.

The population may be defined as the group of individuals belonging to the same species living in the same area at a definite time. The size, density, dispersion, abundance, birth rate, death rate, etc. are the characteristics of the population. These characteristics are also known as demographic factors.

The gray fox is a species of carnivorous mammal of the Canidae family distributed by the American continent, from the south of Canada to Venezuela. Gray foxes are hunted, it is not as common as in other types of foxes, since the degree of their coats is perceived as inferior in quality.

Therefore, the statement that best describes the population size between 1990 and 2011 is many increases and decreases but declined overall. Thus, the correct option for this question is B.

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1. Develop a hypothesis: Sienna hypothesized that plants move toward light. 2. Set up the experiment: Sienna placed one plant near a window and another in a dark room with a small opening that allowed light to come through. 3. Observe and record: Sienna checked the plants every few days and recorded the direction of their growth. 4. Analyze the data: Sienna examined the recorded data to determine the direction of growth for each plant over the six-week period. 5. Draw conclusions: Based on the data analysis, Sienna drew conclusions about whether the plants moved toward the available light source or not.

1. Sienna developed a hypothesis that plants move toward light. This is the initial step where she formulates her prediction based on prior knowledge or observations.

2. Sienna set up the experiment by placing one plant near a window and another in a dark room with a small opening that allowed light to come through. This step ensures that there are two distinct conditions to compare the plant growth.

3. Every few days, Sienna checked the plants and recorded the direction of their growth. This step involves making regular observations and documenting the changes in plant growth over time.

4. After six weeks, Sienna gathered all the recorded data, which included the direction of growth for each plant. This data would serve as the basis for further analysis.

5. Sienna analyzed the data by examining the recorded observations. She compared the direction of growth for each plant and looked for patterns or differences between the plant near the window and the one in the dark room.

6. Based on the data analysis, Sienna drew conclusions about whether the plants moved toward the available light source or not. This step involved interpreting the data and determining if the hypothesis was supported or refuted by the evidence gathered from the experiment.

By following this sequence of steps, Sienna was able to study movement in plants and draw conclusions about their response to light.

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To compare the rates of synonymous and nonsynonymous nucleotide substitutions within the puffer fish sodium channel genes.

Due to the presence of a potent venom known as TTX, or tetrodotoxin, which has negative effects on the human nervous system, eating this sea fish can prove to be highly harmful.

As a result, puffer fish poisoning is a problem. There is currently no known antidote for this poison. Uncut and improperly cooked puffer fish can make a person sick or possibly cause them to pass out immediately after eating. This is a typical worry with puffer fish poisoning.

Even more potent than cyanide is the tetrodotoxin venom that is present in puffer fish. As a result, a patient with puffer fish poisoning needs to receive quick medical care or their chances of survival drastically decrease.

The amount of toxin ingested and the speed at which emergency care is rendered determine the prognosis of a patient with puffer fish poisoning.

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Photosynthesis is a biological process that occurs in plants, algae, and some bacteria. It is the process by which these organisms convert light energy from the sun into chemical energy in the form of glucose (a type of sugar).

Answer:

Clear and shallow

Explanation:

It is near the coastline, so it is shallow. This area needs a lot of sunlight and goes until the point that the plants and animals that need this sunlight for energy detach themselves from the soil. Hopefully this helps!

Answer:

Behavioural Adaptation: A Red Belly Black Snakes is able to find small positions to get away from predators, as they have adapted to hide in small cracks, holes and logs as this enables the snake to get away from predators.

Answer:

Yes.

Explanation:

Yes, conclusions can be drawn from the types of habitats the most microbes likely to present because different microbes needs different types of environmental conditions. Some microbes needs moist and cool environment and can't survive in warm and dry environment while some microbes survive in dry and warm environment and die in moist and cool environment so we can draw conclusion from their habitat types.