Science is the systematic exploration of _______ about everything in the physical universe. _______ caused the end of the nomadic lifestyle of ancient humans. Anthropology and psychology help us organize how humans _______. The _______ is a process often used by scientists to help them solve problems. Before a scientific paper is published, it has to go through a/an _______ process. Biology is the study of _______. For DNA to be passed on to a later generation, an organism must _______.

Answer: D. Reheat to 165°F or hotter – within 2 hours

Explanation:

Potentially hazardous foods are the food items that should be kept at a particular temperature so as to reduce and minimize the growth of microbes which can cause food poisoning. These food items includes the dairy products such as milk, seafood. cooked rice and others. Reheating is a process of heating the already cooked food. The entire mass of the cooked food should be reheated to 165 degrees Fahrenheit for a period of two hours so as to remove the potentially harmful microbes may be present in food.

The correct way to reheat potentially hazardous food is to reheat to 165°F or hotter – within 2 hours.

Reheating food to this temperature is crucial to kill any bacteria that may have grown during the cooling process. Option D ensures the food is reheated to a safe internal temperature, protecting consumers from foodborne illnesses.

An example of potentially hazardous food that requires proper reheating is chicken. Chicken should be reheated to an internal temperature of 165°F or hotter to kill Salmonella bacteria.

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Answer:

D) it helps scientists create theories which are universal.

Creativity in science helps scientists to develop and refine universal theories, enabling innovative thinking and facilitating a common understanding of concepts across the global scientific community.

The best description of the role of creativity in science would be that it helps scientists create theories which are universal. Creativity contributes significantly to the development and refinement of theories in science. It allows scientists to explore innovative hypotheses and ideas, envisioning various scenarios, applications, and implications of their research.

Critically, it is through creative thinking that many ground-breaking theories have been standardized, allowing for a universal understanding and communication of these concepts across the global scientific community.

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The correct words to fill the gaps would be logistic, exponential, death rate, and stabilize respectively.

The logistic growth model shows an S-shaped curve because the population is limited by the carrying capacity.

The exponential growth model shows a J-shaped curve because the population isn’t limited by resources.

Zero population growth occurs when the death rate is equal to the birth rate.

Once a population reaches the carrying capacity, the population will stabilize.

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Answer:

1. logistic

2. exponential

3. death

4. decrease

5. c

6. a

7. b

Explanation:

Final answer:

Most animals, about 95 percent, are invertebrates and do not have a vertebral column. Arthropods are a major group of invertebrates with jointed appendages. Chordata includes both vertebrates and invertebrates, like tunicates and lancelets.

Explanation:

Most animals can be classified into different groups based on their physical structures and evolutionary relationships. The vast majority of animal species, about 95 percent, are invertebrates. Invertebrates are animals that lack a vertebral column or backbone. They include a huge diversity of animals, comprising millions of species across approximately 30 phyla. Among these, arthropods represent a significant portion, including organisms such as insects, arachnids, and crustaceans, which are known for their jointed appendages. The phylum Chordata includes not only vertebrates like mammals, birds, and fish but also invertebrate chordates such as tunicates and lancelets. Understanding the classification of animals is crucial for studying biodiversity and the relationships between different species.

Answer:

the cells of onion are lined and cubical unlike human cells

Answer:

It contains cellulose.

Explanation:

It is mentioning about the cell wall, is only found in plant cells, and what makes it unique is that it is made of cellulose.

The ground under the ice has a lower albedo causes earth more warm.

Low albedo (dark surfaces) leads to higher uptake of energy and, hence, warming. Moreover, when more ice and snow melt, there will be more dark surfaces. This is therefore a self-reinforcing effect. Climate change in the Arctic is consequently important for the development of climate change globally.

As ice melts it reviles the ground and instead of the light being reflected it has now absorbed more cause of the water and earth.

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Labels X and Y correspond to characteristics of dicots, where X represents vascular bundles arranged in a ring, and Y indicates flower parts in multiples of four or five. The alternative describing monocots would be X: scattered vascular bundles and Y: flower parts in multiples of three.

The student has asked which labels represent X and Y when describing the characteristics of monocots and dicots. Based on the information provided, we can infer the following characteristics:

Therefore, the correct labels for X and Y are:

This would describe the characteristics of dicots, also known as eudicots. Meanwhile, the other option with X: scattered bundles and Y: multiples of three, describes monocots.

For the characteristics of monocots and dicots.

X: bundles in a ring

Y: multiples of four or five

Monocots and dicots represent two major groups of flowering plants and exhibit differences in their internal structures, growth patterns, and reproductive organs. These categories are significant in botany for classification and understanding the diversity of plant life.

Monocots typically have vascular bundles scattered throughout their stems, while dicots usually have vascular bundles arranged in a ring.

Additionally, monocots typically have floral parts (such as petals, sepals, stamens) in multiples of three, while dicots typically have floral parts in multiples of four or five.

During photosynthesis, carbon dioxide is absorbed from the atmosphere, the correct option is C.

The procedures by which green plants and certain other organisms convert light energy into chemical energy is known as photosynthesis.

Light energy is captured and used by green plants during photosynthesis to convert water, carbon dioxide, and mineral deposits into oxygen and energy-rich organic compounds.

Photosynthesis' primary function is to transform solar energy into chemical energy and then store that chemical energy for later use. This process powers the majority of the planet's living systems.

Plants use photosynthesis to break down the reactants carbon dioxide and water and recombine them to generate oxygen (O2) and a type of sugar called glucose (C6H12O6).

Thus, the correct option is C.

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Hi

Firstly we will go through the benefits, if animal cells were able to prepare their own food through photosynthesis:

1: No dependency on plants:

We and other animals would not be dependent on plants for any sort of food source and plants would be able to grow and flourish better increasing the overall scenic beauty of our planet which somehow is getting devastated because of human food needs.

2: No requirement of waiting for food in malls to getting the body recharged:

If we were able to prepare own food, we would never be getting tired due to lack of energy, we would always be creating our food side by side during daily activities without the need of spending lots of time and money on food courts.

Drawbacks:

1: No food business:

If we were able to make own food in body, there would be no food businesses in world like restaurants and the world would be a much boring place

2: No diversity of food choices;

If we were able to make own food in body, there would be no food diversity in the world. Each one of us would be using same food for energy. there would be much boring life.

Hope it helps!

The benefits of photosynthesis in an animal cell is we do not have to make food externally, No dependency on plant and animal for food.

The drawback of photosynthesis in the animal cell is photosynthesis produces a comparatively lower amount of energy, and photosynthesis makes cellulose which is difficult to digest by animal cells.

Photosynthesis is a process by which plants make their own food with the help of sunlight, water, and chlorophyll.

Benefits:

If the human cell can make their own food, then there would be no dependency on plants and animals for food.

We do not have to prepare food, this will save a lot of time for humans.

Drawbacks:

The energy produced by photosynthesis is very low, which can not regulate the functions of the animal body.

There are too many functions in the animal body, if cells are indulged in the food-making process, then the process would become very slow.

Thus, these are the benefits and drawbacks of photosynthesis in an animal cell.

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Meiosis is the process in which gametes are created. Option D is correct.

Meiosis is a type of cell division that occurs in sexually reproducing organisms. It is responsible for the production of gametes, which are the sex cells that fuse to form a new organism. Meiosis is a two-step process. In the first step, called meiosis I, the cell divides once, resulting in two daughter cells. Each daughter cell has half the number of chromosomes as the parent cell.

In the second step, called meiosis II, the daughter cells divide again, resulting in four daughter cells. Each daughter cell has one-quarter the number of chromosomes as the parent cell. The gametes produced by meiosis are haploid, which means that they have half the number of chromosomes as the parent cell. This is necessary for the fusion of two gametes to produce a diploid cell, which has the full set of chromosomes necessary for a new organism to develop. Option D is correct.

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Evolution of a species  acts on population and not the individual of a species.

What is Evolution?

Evolution is the process by which species adapt over time in response to their changing environment.

What is speciation?

It is the formation of new species from existing species.

It occurs in two phase -

Thus, we can conclude that evolution of a species acts on a population not on individual.

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Final answer:

Evolution of a species is driven by natural selection and other evolutionary forces, leading to changes in the genotype of a population over extended time scales and resulting in the vast diversity of life we see today.

Explanation:

The evolution of a species acts on the genetic variations present within a population over lengthy time periods. The mechanism of natural selection is pivotal, as it favors traits that enhance an organism's survival and reproductive success, thus gradually shaping the species. Although we may observe adaptive evolution in a single generation, significant changes within a species' genotype necessitate thousands to millions of years. This tireless progression has led to the extravaganza of life we witness on Earth today, with ample evidence of evolution visible in the diversity and adaptation of species.

Species and populations are continually evolving, influenced by factors like mutation, genetic drift, and gene flow in conjunction with natural selection. These adaptive processes can result in everything from minor trait adjustments within a population to the emergence of new species entirely, as populations with specific advantageous traits breed successfully and pass those traits on to succeeding generations. Darwin and Wallace's concept of natural selection underpins our understanding of these evolutionary forces and is supported by extensive evidence across various levels of biological organization.

Answer:

The correct answer would be option D: Gram (+) and Catalase (-).

Explanation:

Streptococcus bacteria have a cellular wall made up of various layers of peptidoglycan which is a macromolecule composed of amino acids and sugars that are assembled as if woven together, therefore they are Gram (+) bacteria.

The Catalase test is used to determine if a bacteria has the ability to produce the Catalase enzyme, the principle of the test is, when the bacteria comes into contact with hydrogen peroxide, if it is Catalase (+) then oxygen bubbles will appear, since the bacteria is able to break down hydrogen peroxide into oxygen and water, and if the bacteria is Catalase (-) then, nothing will happen.

In this case, Streptococcus bacteria are not able to produce the Catalase enzyme, therefore, they are Catalase (-).

Answers A, B and C are incorrect because they have the wrong combinations of a results, in answer A: Streptococcus bacteria are Gram (+) but Catalase (-), in answer B: Streptococcus bacteria are neither Gram (-) or Catalase (+), and in answer C: Streptococcus bacteria are Catalase (-) but are not Gram (-).

Final answer:

A Streptococcus sample would yield a result of Gram (+), Catalase (-), which is answer D. This is based on the fact that Streptococcus species are catalase-negative, so no bubbling would occur during the catalase test.

Explanation:

Using the catalase test, a Streptococcus sample would be Gram (+), and Catalase (-). This means the correct answer is D. Gram (+), Catalase (-). The catalase test differentiates between bacterial species that produce the enzyme catalase, such as Staphylococcus species, and those that do not, such as Streptococcus species. Streptococcus species are catalase-negative, meaning no bubbles will form when hydrogen peroxide is added to a culture sample. In contrast, Staphylococcus species are catalase-positive and will produce bubbles upon the addition of hydrogen peroxide due to the degradation of hydrogen peroxide into water and oxygen gas.

Answer:

tt genotype of both parents

Explanation:

Since tongue rolling is genetically dominant trait, this means that even a single copy of the dominant gene (for tongue rolling) is enough for the kids to express the trait. The dominant allele for the gene is indicated by capital T and the recessive allele for non-rolling tongue is indicated by small t.

Since the trait of rolling tongue is dominant in nature, it means that even if one of the parents is heterozygous or homozygoud for T (TT), there will be chances that kids will be tongue rollers. So the only case when any of the kids will never be tongue rollers is one when both parents are homozygous for the allele (tt) that is for non-tongue rolling. Attached genetic picture will help you understand better.

Hope it helps

Answer:

they could get very sick

Explanation:

in other words your body treats it as if it is a virus and attacks the new blood

Answer:

Explanation:

The person with blood B will sadly die because the blood doesn't’ Mach.

Answer:

At 20 degrees Celsius air can hold about 20g/m cubed.

Explanation:

Looking at the graph you see that when air temp is 20 water vapor is about 20 because that is the point on the graph.

Answer: An endangered species is where a species of animals has a low population therefore making it endangered

An endangered species is an animal that is close to being extinct. The population is very low, too.

The most helpful visual aid for showing the change in plants’ heights in the experiment over time would be a line graph. This will allow the student to effectively track each plant's growth and compare the effects of different types of music on plant growth.

For this experiment, a line graph would be the most helpful visual aid in showing the change in plants' heights over time. A line graph is ideal for illustrating how a continuous variable (in this case, time) relates to another variable (plant height).

You can plot time (in days or weeks) on the x-axis and plant height on the y-axis. Each plant (A, B, C, and D) would have its own line on the graph, showing how its height changes over time.

This will allow for a clear and visual representation of how different types of music (classical, rock, country, and no music) affect the growth of each plant over the course of the experiment.

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Answer:

D. Gene expression is regulated so that different genes are turned off and on at specific times during development of a multicellular organism.

Explanation:

In biology, cell differentiation is the process by which living cells "specialize" to perform a given function.

This process results from the differential expression of genes and is an ontogenetic process that occurs in the development of multicellular beings. Cells proliferate, differentiate, migrate and interact with each other and with the extracellular matrix, forming different tissues and organs.

In other words, the process of specialization in the cells of multicellular organisms occurs when gene expression is regulated so that different genes are turned off and linked at specific times during the development of a multicellular organism.

The rocks formed by the modification of other preexisting rocks in the interior of the Earth through a process called metamorphism. Through heat, pressure and / or chemically active fluids, the transformation of rocks undergoing structural and mineralogical adjustments takes place. The agents of metamorphism make possible that igneous rocks, sedimentary rocks or other metamorphic rocks, when subjected to pressures ranging from less than 1,000 to up to 16,000 bar, at temperatures ranging from 200 to 1,000 ° C, and / or an active fluid, cause changes in the composition of the same, providing new substances to them. The rock that is generated will depend on the composition and texture of the original rock, the time it was subjected to the effects of the so-called metamorphic process, as well as the agents of the same metamorphism. The precursor of a metamorphic rock is called protolite.

Answer:

can't give uu a answer but i can give u a explanation

Explanation:

Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.

Answer:

Besides the fact that pea plants have a short generation time, the key to Mendel's successful plant-breeding experiments was that pea plants usually self- pollinate.

The key to Mendel's successful plant-breeding experiments with pea plants was their true-breeding nature, guaranteeing consistent offspring. The short generation time of pea plants also enabled several generations to be evaluated quickly.

The key to Mendel's successful plant-breeding experiments with pea plants was that they were true-breeding. True-breeding plants always produce offspring that look like the parent. This allowed Mendel to avoid unexpected traits in the offspring and ensure consistency in his experiments. Additionally, pea plants have a short generation time, which means that several generations can be evaluated in a relatively short period of time. These factors made pea plants an ideal choice for Mendel's genetics research.

The true-breeding nature of pea plants was crucial to Mendel’s experiments. True-breeding, or purebred, plants are those that, when self-pollinated, consistently produce offspring with the same traits as the parents. This characteristic allowed Mendel to conduct controlled crosses between different varieties of pea plants and observe the predictable inheritance patterns of specific traits in subsequent generations. By working with true-breeding lines, Mendel could ensure that the traits he was studying were not influenced by genetic variability within the parental plants.

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Answer:

The mucous membrane in the lung is there to capture and blocks foreign things dusts/dirt from entering the lungs. The membrane in the normal blood cell is to simply take in and out substances/gases like oxygen.

Answer:

The mucous layer in the lung is there to catch and squares unfamiliar things tidies/soil from entering the lungs. The film in the ordinary platelet is to just take in and out substances/gases like oxygen.

Explanation:

O=O is not a compound.

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Answer:

Slime molds and water molds

Explanation:

Fungus-like protists usually do not move, but a few develop movement at some point in their lives. Two major types of fungus-like protists are slime molds and water molds.

ANSWER:

Molds are fungus-like protists. Molds are organisms that resemble fungi and also have spores like fungi do. These spores are used for reproduction by the molds.

EXPLANATION:

Answer: C. In sexual reproduction, offspring are not identical to either parent

Explanation:

Sexual reproduction results in more genetic variation because offsprings are not identical to either parent.

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Answer:

James Watson and Francis Crick

Explanation:

Answer:

1 out of 16 or 1/16

Explanation:

Let:

R = Round seed      r = wrinkled seed

Y = Yellow seed     y = green seed

Starting from the parent generation or the P generation, the genotype of the parents would be:

RRYY x rryy

This is because the cross is between a parents that are "purebred" for specific traits. This means that the parents are homozygous for the traits which in genotype form is represented by either two capital letters or two lower case letters.

Attached is the F1 generation results between a cross between the P generation.

As you can see the genotype of all the offsprings is RrYy.

Now also below is the cross between the F1 generation offsprings.

For recessive traits, it is only expressed when the dominant gene is not in the genotype, or in other words, the genotype is all in small letters. Since we are looking at two traits, you need to look for how many squares out of the total have all lowercase letters.

There is only 1 rryy out of the 16 predictions. So the answer would be 1/16.

Answer:

1 out of 16

Explanation:

Answer:

Hyphae perform a variety of functions in fungiExplanation:

They contain the cytoplasm or cell sap, including the nuclei containing genetic material. Hyphae absorb nutrients from the environment and transport them to other parts of the thallus (fungus body).

ANSWER:

The hyphae of the fungi "absorb nutrients" from the environment. Then transport these to other parts of the body of the fungi.

EXPLANATION:

Answer:

Troposphere.

Explanation:

Humans live most of their lives in the troposphere atmosphere.

Humans live most of their lives in the Troposphere, the lowest layer of the Earth's atmosphere. It contains the majority of Earth's weather patterns and breathable oxygen.

Humans spend most of their lives in the atmosphere layer called the Troposphere. The Troposphere is the lowest layer of the Earth's atmosphere and is located directly above the surface of the Earth. This layer contains a majority of Earth's weather patterns and consists of most of the breathable oxygen that humans need for survival. The Troposphere's thickness varies from place to place, extending approximately 9 kilometers at the poles and up to 17 kilometers at the equator. Most commercial aircraft fly within this layer of the atmosphere due to its sufficient oxygen supply and steadier conditions.

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Answer:one,two,four

Explanation:

Answer:

tsunamis Yeah

El Niñolarge Yeah

asteroid and comet impacts Nope

volcanic eruptions Yeah

global warming Nope

Explanation: