The Arctic cod is a small forage fish that is a very important part of the food web. It eats mostly zooplankton and lives water between -2 and 0°C due to a type of antifreeze in its blood. How does a warming climate and seas waters as well as ice melt impact the Arctic cod and the other organisms in the food web?
A) As the water temperatures warm, the plankton increases, the cod increases and all of the higher level consumers also increase.
B) As ice melts and temperatures increase, the polar bears decline so all other animal populations, including the Arctic cod, increase.
C) The Arctic cod lives in a very small temperature range. If it begins to die out, the food source for the next level of consumers will be reduced.
D) The Arctic cod will eventually adapt to the changing water temperatures. Since there is plenty of food for the cod, its population should remain stable.

When an oceanic plate collides with a continental plate: - A- The oceanic plate is forced beneath the continental plate.

The oceanic plate is subducted under the continental plate due to the high density of the oceanic plate when an oceanic and a continental plate collide.

Thus, When an oceanic plate collides with a continental plate: - A- The oceanic plate is forced beneath the continental plate.

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Answer: The tiger is more closely related to the whale.

Explanation: Both tigers and whales are mammals, so they're more closely related than the tiger and the snake, since the snake is a reptile.

Answer:

tiger is more closely related to the whale

Explanation:

they are both mammals

Answer:

1. Index

2. isotopes

3. epoch

4. An index fossil is known from a specific time period, is prevalent, and has had many fossils formed. This allows for recognition of similar time periods in different geographic locations.

5. The geologic time periods from smallest to largest are epoch, period, era, and eon. This organization is important because it allows us to describe and classify the evolution of living things on Earth.

6. Human beings evolved during the Cenozoic era.

7. The oldest fossils are estimated to be 3.5 billion years old.

8. Relative dating compares the ages of fossils and rocks relative to one another in a specific area to determine which are older and which are younger. Absolute dating applies a specific time period or age to the fossils and rocks.

Explanation:

Penn Foster

Index fossils are of organisms known to have existed during a certain time period and are relatively abundant, assisting scientists in dating rocks and fossils within them. Absolute dating of fossils and rocks takes advantage of radioactive isotopes within the fossils or rocks and their decay. We are living during the Cenozoic era and the Holocene epoch.

⇒Importance of index fossil:

⇒Order of geological time period:

⇒Human beings evolved during the Cenozoic era.

⇒The oldest fossils are estimated to be 3.5 billion years old.

⇒Difference between relative and absolute dating:

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The statement that provides the strongest explanation for the trends in the two populations is that:

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Im pretty sure that it's D. On the other hand.

I know that conversely means things like "Hey, but on a side note-" and so on. So try it and see if its correct.

Answer:

the answer is D

Explanation:

the word Conversely means, by definition, "introducing a statement or idea which reverses one that has just been made or referred to" so it's the reverse of whatever the original statement is

Answer: Warm, moisten and purify inspired air.

Explanation:

Answer: The nasal cavity and its contents serve three main functions: Warm, moisten and purify inspired air.(happy to help)

Explanation:

Answer:

Vegetative Reproduction

Explanation:

Answer: True

Explanation:

Answer:

true

key word SOME

Explanation:

hope this helped! :D

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If 9 pints of ice cream $54 , then 2 pints of ice cream cost is $12.

What us the Calculations of 2 pints price?

Given that,

Price of 9 pints ice cream is $54

Then,

Price of 1 pints ice cream = total price/ no of pints

So,

Price of 1 pints ice cream=54/9=$6

Then ,

Prints of 1 pints ice cream=$6

Now,

Calculations of two pints ice cream

Price of 2 pints ice cream=no of ice cream × Price of one ice cream,

Price of 2 pints ice cream =2×6,

Price of 2 pints ice cream=$12.

Given that,

Price of 9 pints ice cream is $54

Then,

Price of 1 pints ice cream = total price/ no of pints

So,

Price of 1 pints ice cream=54/9=$6

Then ,

Prints of 1 pints ice cream=$6

Now,

Calculations of two pints ice cream

Price of 2 pints ice cream=no of ice cream × Price of one ice cream,

Price of 2 pints ice cream =2×6,

Price of 2 pints ice cream=$12.

Therefore if 9 pints of ice cream $54 , then 2 pints of ice cream cost is $12.

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Answer:

B. The interaction of Earth, the Moon, and the Sun

Explanation:

The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon.

Answer:

The answer is A. Porifera

Explanation:

Those asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution

Why do dark-colored shirts get hotter in the sun than light-colored shirts!

Answer:

O A. Dark-colored shirts reflect less radiation.

Explanation:

Darker shirts absorb more heat then the light colored shirts because of the light energy. Dark colored shirts reflect little solar light and heat energy but get hotter in the end.

Due to the light energy, darker shirts absorb more heat than lighter shirts, hence option A is correct.

Light-colored clothing reflects the majority of visible wavelengths, which reduces heat absorption. Contrarily, clothing that is darker or blacker absorbs more wavelengths and heat, making it warmer to wear.

On the day, you walk, dash to make it to the bus on time, go to lunch, and the shirt ends up soaking all the sunlight.

This light is transformed into different types of energy because it does not just vanish heat enters and is then released.

Therefore, because black clothing is a superb light absorber, it will thus produce more heat the darker it is, hence option A is correct.

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Answer and explanation:

8. What can be concluded from the evidence that coughs and sneezes are natural  reflexes and from the evidence that our immune system attacks allergens?

Coughing and sneezing are natural defense mechanisms that consist of the sudden expulsion of air from the respiratory tract, with the intention of expelling any substance harmful to the body.

Allergies are the product of an exaggerated response of the body to the presence of environmental substances, such as dust, fungi and pollen, called allergens. This abnormal response is caused by an immune system previously sensitized to these substances.

Under normal conditions, the immune system is designed to defend an individual against potentially harmful elements. Coughs and sneezes are natural defense mechanisms, which are exaggerated in allergy sufferers.

9. What two possible reasons for the increase in allergies are explained in the passage?

- "Some scientists think our immune systems don't have enough to do ..." "... when our immune system have fewer germs to fight, they can get confused".

According to the excerpt, an immune system that has been inactive due to less contact with germs, looks for a way to attack any substance foreign to the body, which would be a mechanism that promotes the presence of the allergic response.

The confusion of the immune system would be given in some people by reacting in an unusual way to environmental stimuli or food, which do not affect the majority of people.

- ... "weather is warmer for longer periods now, so plants bloom longer .. release pollen, which is a common allergen".

Plant pollen is considered an aeroallergen capable of producing the response with sneezing or coughing in sensitive people.

Other evidence implies an increase in the amount of aeroallergens, as a consequence of the temperature change. A warm temperature for long periods of time promotes flowering in plants more frequently, and there is more pollen dispersed in the environment.

10. What can be concluded about the increase of allergies in the future?

In the text it can be clearly seen how, according to statistical data, the presence of allergies in more people has increased over time.

Many factors may induce an increase in the number of allergic patients in the future, such as the example provided by the passage of children less exposed to germs due to the use of increasingly available medications.

In the images below you will find the information of the article about allergies.

Coughs and sneezes are natural reflexes that help expel irritants while our immune system attacks allergens. The increase in allergies can be attributed to the hygiene hypothesis and genetics. Allergies are expected to continue increasing in the future.

The evidence that coughs and sneezes are natural reflexes suggests that they are part of our body's defense mechanisms to expel irritants or pathogens. Similarly the evidence that our immune system attacks allergens indicates that it recognizes them as harmful substances and launches an immune response to protect the body. In the passage two possible reasons for the increase in allergies are explained. The first reason is the hygiene hypothesis which suggests that reduced exposure to pathogens in childhood may lead to an overactive immune response to harmless substances. The second reason is the role of genetics, as allergies can be inherited. Based on the evidence from the text, it can be concluded that allergies are likely to continue increasing in the future. The passage mentions the rise in prevalence and the need for more effective allergy treatments, indicating that the problem is expected to persist.

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Radiation can be absorbed, transmitted, reflected, or scattered.

A good example to understand the nature of radiation is the Sun. The sun's radiation is absorbed, transmitted, reflected or scattered by the earth, in order to thrive and maintain a climate suitable for the habitat.

Absorption is also called the "interaction of light with matter". When this happens, absorption, light is converted into heat energy. This phenomenon can be explained through an example: during summer people avoid wearing black clothing since it absorbs light and gets very hot.

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Answer:

The Northern Hemisphere is pointing toward the Sun, so it is summer in the Northern Hemisphere. The Southern Hemisphere is pointed away from the Sun, so it is winter in the Southern Hemisphere.

Explanation:

The seasons in the Northern and Southern Hemispheres are determined by Earth's tilt. In June, it's summer in the Northern Hemisphere due to more direct sunlight and longer days, while it's winter in the Southern Hemisphere. This pattern is reversed in December. Spring and autumn represent more equal sunlight distribution. But, latitudinal location also affects the intensity of seasons.

The seasons in the Northern and Southern Hemispheres are determined by the tilt of Earth's axis of rotation. In June, when the Northern Hemisphere 'leans into' the Sun, it is summer in the Northern Hemisphere due to longer days and more direct sunlight, whereas it is winter in the Southern Hemisphere. In December, this pattern is reversed: the Southern Hemisphere receives more direct sunlight and experiences summer, while it is winter in the Northern Hemisphere.

During the spring and autumn equinoxes, both hemispheres receive equal shares of sunlight. Specific dates like June 21 and December 21 represent the summer and winter solstices, respectively, and March 21 and September 21 represent the spring and autumn equinoxes. However, the effects of seasons vary at different latitudes. Near the equator, there's less variation in seasons, whereas in the polar regions, the differences are more pronounced.

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Answer:

Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?

Chemiosmotic mechanism

Explanation:

Answer:

after a forest fire

Explanation:

Secondary succession occurs after a climax community is completely destroyed by an event and the only thing that remains is the dirt.

Carbon enters the atmosphere through processes such as burning of fossil fuels, respiration, and decay of organic matter.

Carbon enters the atmosphere through several processes:

These are just a few examples of how carbon enters the atmosphere. It is important to note that while carbon is a natural part of the Earth's carbon cycle, human activities have significantly increased the amount of carbon dioxide in the atmosphere, contributing to global climate change.

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Answer:

A.

Explanation:

The weather usually matches the climate but it can change from time to time

Answer:

help them remember their once learned skills by practicing memory retaining games such as flashcards, board games, anything that'll seem like fun while they learn. if the problem exceeds to the limits of your help alone, seek professional help. It's unlikely for a child at that age to be forgetful of things like brushing their teeth or walking.

Explanation:

If a caregiver notices a preschooler losing previously acquired skills or a slowdown in development, it is crucial to consult with a pediatrician or child development specialist. This could indicate a developmental concern, which could potentially be addressed through early intervention.

As a caregiver of a preschooler, if you notice that a child is losing skills they once had or if their development starts to slow down, you should not take this lightly. A range of skills and developmental milestones are associated with certain time frames, and failure to meet these can be an indicator of a potential issue. It is important to consult with a pediatrician or a child development specialist in such cases.

For instance, by the age of 2-3 years, a child starts showing signs of autonomy; they may choose their clothes, food, or toys. If you observe a reversal in such behaviour, it can signal some developmental concern.

Children also display cognitive abilities at certain ages, such as understanding object permanence or realizing certain facts about their environment. Reversal or stagnation in such cognitive abilities could be a cause for concern.

It is therefore important not to ignore such signs, but to communicate and address these through early intervention with specialized professionals. The goal is to promote healthy development and ensure the well-being of the child.

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Answer:

Each organism benefits from the other, because each organism provides something the other cannot get on its own.

Explanation:

Fungi and algae form mutualistic relationships because they eat decomposing material and provide protections to other organisms.

Mutualistic relationships between fungi and algae are advantageous because each organism provides a benefit to the other; fungi get nutrients from algae, and algae get a safe environment from fungi. Both organisms can thus survive in environments they otherwise couldn't.

It's advantageous for organisms such as fungi and algae to form mutualistic relationships because they each offer something beneficial to the other. In a mutualistic relationship, both organisms benefit. For instance, fungi get photosynthesized nutrients from algae. On the other hand, algae get a safe, moist environment where they can grow, which is provided by the fungi. Through a mutualistic relationship, both algae and fungi can survive in environments where they might not be able to live independently. This type of relationship is a prime example of mutualistic symbiosis at play in the natural world.

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Answer: polymerase

Explanation:

RNA polymerase is the enzyme that is responsible for the formation of new RNA. This enzyme catalyzes the linkage between the nucleotides of RNA Thus the correct option for this question would be option B.

RNA polymerase is the enzyme that is responsible for the formation of new nucleotides which are transcribed into RNA. These are the enzymes that are responsible for copying DNA sequences into  RNA during the process of transcription.

This enzyme catalyzes the reaction and instructs them to form the nucleotide sequences for the new RNA molecule. These enzymes play a very important role during the process of transcription and bind with the template DNA strand to make nucleotides for a new RNA molecule.

Transcription is the process of making an RNA molecule from DNA. It is divided into three stages. First is an initiation where the process of transcription starts. The second one is elongation in which the formation of new nucleotides and amino acids takes place and the last one is termination in which the RNA polymerase gives instructions to stop the process.

During this, the nucleotides are transcribed and this is catalyzed by the RNA polymerase enzyme. Thus the correct option for this question is option B.

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Answer:

Allele g is recessive, so over time, Allele G is expressed more and more (allele G is dominant) through either homozygous dominant (GG) or heterozygous dominant (Gg) while allele g is only expressed when there is an homozygous recessive (gg).

Explanation:

Answer:

A. Mechanical

Explanation:

Answer: The Answer Is A Mechanical Control

Answer:

Comparative anatomy.

Explanation:

Comparative anatomy is a branch of science in which we study about similarities and differences present in different organisms. This type of study is very important for the classification of living organisms. Comparative anatomy tells us about the evolution of an organism. Scientists study DNA, embronic structure and the internal structure of species to see the evolution of different organisms.

Final answer:

Comparative anatomy is a field of biology that investigates the structural similarities and differences among various species to deduce their evolutionary relationships, using homologous and analogous structures as evidence for common ancestry and evolution.

Explanation:

Comparative anatomy is the branch of biology that studies the similarities and differences in the structures of different species. Researchers examine the structures within various organisms to determine if their features are homologous, inherited from a common ancestor, or analogous, serving similar functions but not derived from a common ancestor. Such studies provide substantial evidence for the theory of evolution, revealing how closely related different organisms might be through their shared ancestral traits. These homologous structures, like the bone patterns in the limbs of mammals, suggest a common lineage, even if the limbs now serve different functions.

To clarify, the bones in the human arm, the wing of a bird, the fin of a whale, and the forelimb of a lizard, despite their different current uses, all originated from the same ancestral structure. Thus, comparative anatomy not only highlights the diversity of life but also underscores the underlying connections between species, offering insights into their evolutionary history.

Answer:

A: Disruption to electricity power grid.

Answer:

d

Explanation:

The incorrect statement about blood typing is that it can help determine the manner in which a victim died. Information about the cause or manner of a victim's death is usually derived from an autopsy, not blood typing.

The statement that is NOT true about blood typing is option d: 'It can help determine the manner in which a victim died'. While blood typing can be particularly useful in forensic investigations for identifying individuals, determining kinship, or excluding individuals as potential sources of biological evidence, it does not provide any information on the manner of death. Detailed information about cause or manner of death is typically obtained through a complete autopsy and not merely by examining blood type.

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Answer:

B.Monocots

Explanation:

There are two types of cotyledon i. e. Monocotyledonous (monocot) and Dicotyledonous (dicot). In monocot, only one cotyledon is present while in dicot two cotyledons are found. Veins in leaves of monocot are parallel to each other and they have adventitious roots system while in dicot, network of veins are present in leaves and they have tap root system.