A standardized classification system based on evolutionary trends and relationships was established to group living things. Which of these justifies the use of a standardized classification system? Select ALL that apply.
A) This standardized classification allows for organisms with similar appearance to be easily grouped.
B) This standardized classification allows for scientific agreement on grouping of organisms worldwide.
C) This standardized classification provides a common mechanism for scientists to use when collaborating.
D) The standardized classification system requires that no changes be made to a species taxonomic placement after initial naming.
E) The standardized classification allows for recognizing relatedness based on common ancestry rather than physical morphologies.

Answer:

4.166

Explanation:

Answer:

the distilled water to enter the tubing

Explanation:

This question is impossible to answer without knowing exactly what is in the yellow tubing, regardless we can assume that the solution in the tubing with the yellow band is more concentrated than distilled water. This being the case then this will cause the distilled water to enter the tubing due to it being hypotonic to the solution within the tubing which means it has a higher concentration of water.

Answer:A checkpoint is a stage in the eukaryotic cell cycle at which the cell examines internal and external cues and "decides" whether or not to move forward with division.

Explanation: Easy Peasy

The immediate source of energy for atp synthesis in chloroplasts is a proton gradient, while the ultimate source of energy for atp synthesis in chloroplasts is light.

By the processes of photosynthesis and oxygen release, chloroplasts provide energy that supports plant growth and crop output. As a result, active substances such amino acids, chlorophylls, nucleotides, vitamins, lipid, and secondary metabolites are biosynthesized by chloroplasts.

All green organs of plants and algae include chloroplasts. In tissues that don't seem green, like as the brown blades of giant kelp or the crimson leaves of certain plants, chloroplasts are also present.

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Explanation:

please write full question

Alligators, turtles, and fish living together in a river form is what is referred to as the aquatic community.

This is defined as the group of people or organisms  living together in a particular area and usually have characteristics which are common to one another.

Alligators, turtles, and fish all live in the river form which is referred to as aquatic community. This is because they are found in water and have similar features which makes them well suited for living in this type of area thereby boosting their survival under different types of conditions.

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Being of the same color as the substrate provides animals selective advantages. Option C. Mice with light-colored fur were selected for in the sandy environment

Selective advantages are all the characteristics of organisms that make them better for living, surviving, and reproducing than other organisms under the same environmental pressures.

Selective advantages are the base of evolution by natural selection.

Natural selection selects beneficial alleles and increases their frequency in the population.

Natural selection favors an allele or act against it. It depends on how the allele affects the fitness of individuals.      

The phenotype that expresses the best fitness results in higher survival, fertility, and reproductive rates. Aptitude -fitness- must be significant to the natural selection act in its favor.

Adaptation, acchieved by natural selection, is closely related to selective pressures.

Selective pressure is applied by different organisms or conditions that influence the survival rate of a certain phenotype. It influences the probability of a genotype leaving its gametes to the following generations.

In the exposed example, the sand color is acting as the selective pressure that models the color of the mice's fur. Being light provided selective advantages to the mice population living in Sand Hills.

The light colors of Sand Hills are the environmental condition favoring the same Light-colored phenotype.

The correct option is C. Mice with light-colored fur were selected for in the sandy environment.

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The metabolic pathway common to both fermentation and cellular respiration is glycolysis. Therefore, the answer to the question is a. Glycolysis.

Glycolysis is the first stage of both anaerobic and aerobic cellular respiration, which occurs in the cytoplasm of cells. It is a metabolic pathway that converts glucose into pyruvate or lactate, which can be used to create ATP through fermentation or cellular respiration. The process of glycolysis takes place in ten sequential steps and is an anaerobic process that does not require oxygen to produce ATP. This metabolic pathway is common to both fermentation and cellular respiration because it is an initial step in the production of ATP in cells. Glycolysis produces 2 ATP molecules, 2 NADH molecules, and 2 pyruvate molecules. Glycolysis is the only pathway common to both fermentation and cellular respiration.

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Answer: Addition

Explanation:

An additional base was added in the Mutated DNA. The original had 7 bases while the mutated has 8.

A deletion would obviously mean that the mutated DNA has less bases.

A point mutation is when a single nucleotide base is changed so there would be a difference in one of the letters in the mutated DNA.

The statement that can be concluded from Gregor Mendel's experiments with pea plants is 1.alleles of different genes are inherited independently of each other.

In general the statement  alleles of different genes are inherited independently of each other  is known as the Mendel's law of independent assortment, that tells that different genes assort independently during the formation of gametes.

This law state that resulting trait with independent assortment lies independently to each other. This law is also derived from Mendel's observations that the inheritance of one trait did not affect the inheritance of another trait in his pea plant experiments.

Hence , 1 is the correct option

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By using leaf type as a characteristic in a dichotomous key, it is possible to distinguish between different plant species based on the arrangement and structure of their leaves.

What is Dichotomous?

"Dichotomous" refers to a division into two distinct parts or categories. It is often used to describe a classification system that separates things or concepts into two mutually exclusive groups. For example, in biology, a dichotomous key is a tool used to identify organisms based on a series of binary choices that lead to the correct identification. In psychology, a dichotomous variable is a variable that can take on only two values, such as "male" or "female." The word "dichotomy" comes from the Greek word "dichotomia," which means "cutting in two."

The letter that represents a compound leaf type in a dichotomous key is usually "B". Compound leaves are leaves that are divided into multiple leaflets, each of which is attached to a central stem called the rachis. Each leaflet may have its own stalk, known as the petiolule, that connects it to the rachis. In contrast, simple leaves have only one blade attached to the petiole.

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I have chosen an article titled "Selective Breeding in Livestock: Advantages, Limitations, and Applications" published in the journal Frontiers in Genetics.

The article "Selective Breeding in Livestock: Advantages, Limitations, and Applications" offers a valuable exploration of selective breeding practices in livestock. It discusses the advantages of selective breeding, such as the improvement of desirable traits, increased productivity, and disease resistance. The article also addresses the limitations and challenges associated with selective breeding, including reduced genetic diversity and potential negative effects on animal welfare in GMO technologies. Moreover, the article presents various real-world examples of selective breeding in livestock, ranging from dairy cattle and poultry to pigs and sheep. These examples highlight the practical applications of selective breeding techniques in achieving specific breeding goals and meeting the demands of the livestock industry.

I chose this article because it provides a comprehensive and scientifically grounded examination of selective breeding in the context of livestock. It offers a balanced view by discussing both the benefits and limitations of this practice. Additionally, the inclusion of real-world examples adds practical relevance to the topic. Overall, this article serves as a reliable and informative resource for understanding the concepts and applications of selective breeding in livestock.

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Answer:

Bodies of ice and rock that orbit the Sun and produce a coma and tail of vapor and dust when near the Sun

Explanation:

So if you go to the NASA dictionary it states:

Comet- cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.

So it is most definitely the second option

Have a great day :D

Answer:

It's exposure to sunlight

Explanation:

Just took the test

Included are the nasal passages, pharynx, larynx, and trachea, which are all cοmpοnents οf the upper respiratοry system.

The upper respiratοry tract dοes nοt include alveοli. They are lοcated in the lοwer respiratοry system, mοre precisely in the lungs.

In οrder fοr the respiratοry system tο wοrk prοperly, the upper respiratοry tract must carry οut a number οf crucial tasks, including:

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Buffalo grass is tough due to the presence of silicates which reinforces the leaves of this plant and allows it to survive in harsh environment and this a classic example of adaptation.

Buffalo grass is basically a grass which is perennial to western North American. Buffalo grass is found in the short-grass as well as the  mixed-grass prairies and is a very important year-round forage grass.

It is a very tough grass and this property of buffalo grass can be attributes to the presence of silicates, which are basically compounds that contain oxygen as well as silicon, in its leaves. This particular adaptation has allowed this grass to be drought resistant and survive for a lot of years in a very harsh environment.

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The ratio of each phenotype that should the farmer expect from this cross is as follows:

A phenotype may be defined as the appearance or manifestation of the desired characteristics that you want to study in an experiment. Phenotypes may also be known as traits.

According to Mendelian genetic cross and inheritance, when plants with both hybrid characteristics are intercrossed with each other, they possess all possible phenotypes with ratios of 1:4.

The Punnett square for this cross is well described below:

Therefore, the ratio of each phenotype that should the farmer expect from this cross is appropriately mentioned-above.

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Answer:

C. Mitochondria

Explanation:

In the past, decreasing fertility rates were associated with decreasing poverty levels is true.

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Explanation:

1ml = 1 cm3

7.5ml = 7.5 cm3

1000g = 1kg

4kg = 4000g

Density = Mass/Volume

= 4000g/7.5cm3

= 533g/cm3

Answer:

A is wrong, because that fact just simply is not true. There have been several other raced men and some women as well that made important contributions to science.

B is correct, because science isn't attributable to just the last couple of hundred years. In ancient times, people developed astronomy and medicine. This is also correct because it names females as part of the scientific contributions to society.

C is incorrect, because this fact is also completely false. Lots of important scientific discoveries have been made from before that, such as the invention of electricity (somewhat useful today I would guess:\) in 1879, which is much longer than 100 years ago.

D is also incorrect, because scientific knowledge is changing constantly, every minute, growing and expanding and changing to accomodate new knowledge and information that we've discovered.

A transform boundary is created when two plates pass one another. The right choice from the available alternatives is option C.

When two tectonic plates of the Earth pass one another, it forms a transform boundary. Localized faults or fissures may form as a result of the two plates interacting with one another as they pass one another. The following is a basic explanation of a transform border, but they are more complicated than that.

Two more boundary types aside from transform boundaries are divergent borders and convergent borders. At convergent boundaries, tectonic plates contact with one another; at divergent boundaries, they separate from one another. A transform boundary is created when two plates pass one another.

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Correct Question:

A boundary formed when two plates move past each other

1. Ocean basin

2. Divergent boundary

3. Transform boundary

4. Convergent boundary

The type of nutrient that is important in building cell structures, insulating the body, and providing an energy-rich fuel reserve is lipids. They are also known as fats and oils. They are essential for maintaining cell membranes, absorbing vitamins, and regulating body temperature.

Lipids are composed of long chains of fatty acids and are classified as saturated, unsaturated, or trans fats, depending on their molecular structure. They are an important source of energy and are stored in adipose tissue as a fuel reserve. They also play a role in hormone production and are essential for brain development and function.

Lipids are important in building cell structures, insulating the body, and providing an energy-rich fuel reserve. They are essential for maintaining cell membranes, absorbing vitamins, and regulating body temperature. Lipids are composed of long chains of fatty acids and are classified as saturated, unsaturated, or trans fats, depending on their molecular structure. Lipids are an important source of energy and are stored in adipose tissue as a fuel reserve. They also play a role in hormone production and are essential for brain development and function.

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Answer:

Large bodies of water, such as oceans, seas and large lakes, can affect the climate of an area. Water heats and cools more slowly than landmasses. Therefore, the coastal regions will stay cooler in summer and warmer in winter, thus creating a more moderate climate with a narrower temperature range.

Explanation:

Answer:

Large bodies of water, such as oceans, seas and large lakes, can affect the climate of an area. Water heats and cools more slowly than land masses. Therefore, the coastal regions will stay cooler in summer and warmer in winter.

Explanation:

I was supposed to answer but i wrote it as a comment instead'-'

The number of taxa represented is 8.

Crane fly larvae

Midges

Dragonfly nymphs

Sowbugs

Aquatic worms

Caddisfly larvae

Waterpennies

Left-handed snails

To determine the number of taxa represented in the given list of organisms, we need to identify unique groups or categories at the taxonomic level. A taxon is a group of organisms that are classified together based on shared characteristics.

From the given list, we can identify the following taxa:

Crane fly larvae

Midges

Dragonfly nymphs

Sowbugs

Aquatic worms

Caddisfly larvae

Waterpennies

Left-handed snails

Each of these groups represents a unique taxon. Therefore, the total number of taxa represented in the list is 8.

It's important to note that the identification of taxa in this context is based on general groupings rather than specific taxonomic ranks or classifications.

The groups listed represent different types of organisms found in the sample, but the exact taxonomic classification within each group is not specified.

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Answer: In the middle intertidal, barnacles, mussels and seaweeds all compete for space – a precious limited resource. Mussels are generally the dominant competitor on rocky shores and without the presence of predatory seastars would outcompete other taxa and occupy all available space.

Explanation:

Answer:

Space

Explanation:

Hope it helps :)

Yellow color is always an adaptive trait in a yellow environment I agree with this claim.

Adaptive trait is defined as an element of the developmental pattern that makes it easier for its carrier to survive and/or reproduce in a succession of different situations.

Any heritable characteristic that enables a plant or animal to survive and procreate in its environment is referred to as an adaptation.

The process of modifying behavior, physiology, or structure to make it more suitable to an environment is known as adaptation.

It might also be described as the condition that a biological population has achieved after enduring modifications or changes.

There are three types of adaptive traits.

Thus, yellow color is always an adaptive trait in a yellow environment I agree with this claim.

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According to decay theory, forgetting occurs because of the passage of time.

Sigmund Freud's concept of repression reflects the idea of retrieval failure.

Forgetting is a common phenomenon in human memory, and decay theory suggests that it happens due to the natural fading or weakening of memories over time. When information is encoded into our memory, it creates neural connections and pathways in the brain. However, these connections can gradually weaken or decay if they are not reinforced or accessed frequently.

The main idea behind decay theory is that memories that are not regularly reinforced or retrieved may gradually decay, becoming more difficult to retrieve accurately. This decay occurs at the neural level, as the connections between neurons weaken over time, making the memory traces less effective in retrieving the information. As a result, memories that are not actively maintained through rehearsal or retrieval can become less accessible and eventually fade away.

Repression is a concept introduced by Sigmund Freud in psychoanalytic theory, and it refers to the unconscious blocking of traumatic or distressing memories from conscious awareness. According to Freud, individuals may repress memories that are too threatening or painful to consciously remember, pushing them into the unconscious mind.

Repression aligns with the concept of retrieval failure because the memories that have been repressed are not readily accessible to conscious retrieval. While the memories may still exist in the unconscious, they are effectively blocked or "forgotten" from the conscious awareness.

When attempts are made to retrieve repressed memories, they may remain inaccessible due to the psychological defense mechanism of repression. These memories are effectively "hidden" from conscious recall, making retrieval difficult or even impossible without specialized therapeutic techniques.

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Base excision type of repair (BER) is a mechanism that fixes DNA damage brought on by chemical alterations that remove a nitrogenous base from the DNA strand, such as deamination or alkylation, or by oxidative stress.

To remove the damaged base and replace it with a new one, a number of enzymes are involved in the route. The four primary enzymes that contribute to BER are: By cleaving the connection between the nitrogenous base and the DNA's sugar-phosphate backbone, the enzyme DNA glycosylase may identify and remove the damaged nitrogenous base from the DNA molecule.

AP endonuclease: When a damaged base is removed by DNA glycosylase, an abasic site (apurinic/apyrimidinic site) remains. The sugar-phosphate is damaged when AP endonuclease cleaves the DNA strand at this location.

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