Which of these statements describes a limitation of the Antarctic Treaty
System?

A. It lacks a plan for proper waste disposal.

B. It does nothing to protect scientists working in Antarctica.
C. It lacks references to mineral resources.
D. It does nothing to protect the atmosphere over Antarctica,

Answer: Water Oxygen sunlight  hope that helps

Explanation: :)

Plants need sunlight, water, and nutrients to grow.

A plant needs three main things to grow: sunlight, water, and nutrients.

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Answer:

Evolutionary significance of DNA polymerase: DNA polymerase is a key enzyme of DNA replication. During replication, it duplicates the DNA strand which then moves to next-generation, thus, continuing the life generations after generation.

If there will be a mutation in DNA polymerase, the nature of mutation would define the consequences. If it is a NEUTRAL mutation, it would not affect the action of DNA polymerase. However, if it a POSITIVE mutation, it may improve the function of DNA polymerase. On the other hand, if the mutation is NEGATIVE, it can be very harmful to living organisms because negative mutation can impair the function of enzyme thus stopping the DNA replication. This would most likely seize the life on Earth.

DNA polymerase plays a vital role in DNA replication, ensuring accurate transmission of genetic information. A genetic mutation on the genes encoding for DNA polymerase can compromise the fidelity of DNA replication and lead to the accumulation of harmful mutations.

DNA polymerase is an essential enzyme in the process of DNA replication. It catalyzes the synthesis of new DNA strands by adding complementary nucleotides to the growing chain during DNA replication.

The evolutionary significance of DNA polymerase lies in its accuracy and efficiency in replicating DNA. Its fidelity ensures that genetic information is faithfully preserved, allowing for the transmission of genetic traits from one generation to the next.

If there is a genetic mutation on the genes encoding for DNA polymerase, it can lead to a compromised fidelity of DNA replication. This can result in a higher rate of errors during DNA replication, leading to the accumulation of mutations in the genome. These mutations can potentially have detrimental effects on the organism, including genetic disorders, diseases, or reduced survival and reproductive fitness.

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They are D) modified parenchyma

Answer:

Average weather conditions of a region over the long term

Explanation:

Answer:

Average weather conditions of a region over the long term

Explanation: That is the correct answer I think

Answer:

isostatic uplift fault block formation

Answer:

the answer is: A.) isostatic uplift and plate convergence

Explanation:

Answer:

It's C.

Explanation:

It's not Muscles because muscles are tissues made up of specialized elongated cells or fibres which can contract(shorten or thicken) to bring about movements. And we all know Ca and Proteins are needed for the formation of strong and healthy bones, muscles and teeth. Same goes for ligaments.

For polypeptide chains, its a vital part involved in the breaking down of Proteins.

Proteins->Proteoses->Peotones->Polypeptide-> amino acids.

PeAcE.

B

By the upper atmosphere, it is meant the upper atmosphere of the troposphere – the lowest layer of the earth’s atmosphere where weather events occur.

Explanation:

Liquid water first evaporates from the earth’s surface, mostly due to heat energy from the sun. The water vapor cools as it rises into the upper troposphere. This is because the upper atmosphere is cooler. As the water vapor cools, it coalesces into water droplets. These droplets, for them to form a cloud, need seed-like particles – like dust suspended in the atmosphere– to coalescence on. This way, the droplets grow bigger and this is how clouds are formed.  

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Answer:

B DE

Explanation:

Answer:

The possible genotypes of their children

Explanation:

A punnet square can be described as a diagram which  illustrates the outcomes of a cross. The letters on the outside of a punnet square depict the genotype of the parents whereas the letters on the inside depict the genotype of the children.

For example consider the following punnet square:

        A          a

A    AA       Aa

a     Aa      aa

In the following punnet square, Aa and Aa are the genotypes of the parents.

the children would have the probability of having the following genotypes: AA, Aa, Aa, aa

Answer:

During the water cycle, the water on the earth's surface gets evaporated leaving the impurities behind and enters into the atmosphere as water vapor. Thus, the water cycle removes pollutants from earth’s water.

Explanation:

Water cycle is the continuous movement of water on the earth's surface and the atmosphere. Some of the water from the oceans, lakes, rivers etc gets evaporated by sunlight and enters into the atmosphere as water vapor. Also from the processes like sublimation (ice and snow) and evapotranspiration (plants), water vapor reaches the atmosphere. This vapor is then condensed into clouds and later falls back from the sky on to the earth's surface as precipitations like rain, snow etc. During the evaporation, the pollutants (impurities) in the water sources are left behind. Thus, the water cycle removes pollutants from earth’s water.

Answer:

All the different plant populations make up the plant community  in this swamp. The plants are part of the bigger ecosystem, that contains many biotic and abiotic factors.

Explanation:

In ecological studies a community can be described as a different population of species that live in an area at a specific time. For example, different kinds of plants and animals living in an area at a particular time.

In ecological studies, an ecosystem can be described as a community possessing both its biotic and abiotic factors. For example, all the animals, plants, decomposers of a community along with abiotic factors like water, soil sunlight etc.

Final answer:

All the different plant populations within a certain area constitute the plant community, which is part of a larger ecosystem that includes both biotic and abiotic components. This ecosystem contributes to the Earth's biosphere.

Explanation:

All the different plant populations make up the plant community in this swamp. The plants are part of the bigger ecosystem, that contains many biotic and abiotic factors. In biology, all the individuals of a species living within a specific area are collectively called a population. For example, a forest may contain many pine trees, which represent the population of pine trees in that forest.

Different populations, such as those of flowering plants, insects, and microbial populations, may live in the same specific area. When these populations come together, they form a community. The community, combined with the abiotic, or non-living, parts of the environment (like nitrogen in the soil or rainwater), constitutes an ecosystem. This ecosystem is part of the broader biosphere, which includes all the ecosystems on Earth, encompassing land, water, and portions of the atmosphere.

Final answer:

Crossing two homozygous dominant pea plants (PP) will result in 100% homozygous dominant offspring (PP) with purple flowers.

Explanation:

When two homozygous dominant (PP) pea plants with purple flowers are crossed, all of the offspring will also have purple flowers. This is because purple flowers are dominant over white flowers. As these pea plants are homozygous dominant, each parent will contribute a dominant P allele to their offspring, resulting in offspring with a PP genotype. Therefore, a Punnett square analysis for this cross is not required as the outcome will be 100% PP offspring with purple flowers.

Fishes eat very little during the winter as their metabolism slows down as their metabolism slows down.

Explanation:

Fishes are cold blooded animals and their body temperature is regulated with the change in the water temperature. When the water temperature becomes cold the fishes slow down in feeding. Fishes during winter undergoes certain changes in their body which slows down their metabolism rate.

When their metabolism slows down they will not stop feeding completely but lessen their feeding habit. During winter they also become less active. They seek pocket holes and go to that particular place and stay still. This helps them conserve energy.

Fish eat less during winter as they enter a state of reduced physiological activity, or torpor, to conserve energy due to the cold temperatures. This slows down their metabolism and digestion rate, hence the diminished need for food.

Fish eat very little during winter due to a biological process known as torpor. In cold temperatures, fish, being cold-blooded animals, enter a state of reduced physiological activity to conserve energy. This process slows down their metabolism, including the rate of digestion, making them eat less because they don't need as much energy to maintain body functions. Despite the higher amount of dissolved oxygen and availability of food, fish don't feel the same need to eat as they do during warmer seasons because their bodies are not as active.

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Answer:

In 1973,

The maximum length for the beak of birds was obserbed to be less than 12mm in length

While, at 1978, it was observed that some birds had beak length at 12mm.

From 1973 to 1978, it can be observed that short beaks bird was more in population than 1978.

Answer:

D. Stem Cells

Explanation:

Stem cells are cells that are able to be developed into most other types of cells in order to repair and restore damage in the body. To do this, stem cells must be able to specialize into many other different cell types. This means that first the stem cells must be an unspecialized human cell to later become specialized.

Answer:

Hello! The answers are:

Explanation:

All of the statements in the questions are features of the cell theory.

Cell Theory:

The cell theory, proposed by scientists Theodor Schwann, Matthias Schleiden, and Rudolph Virchow, is the basic principle of biology. The cell theory contains three features or clauses that explain the basic structure and function of life. The cell theory postulates the following:

Answer: CARBON DATING

Geologists do not use carbon-based radiometric dating to determine the age of rocks. Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that. Carbon dating is used by archeologists to date trees, plants, and animal remains; as well as human artifacts made from wood and leather; because these items are generally younger than 50,000 years.

Answer:

The correct option is A) make food.

Explanation:

Photosynthesis can be described as a process by which organisms like plant and some algae make their own food. They use light energy from the sun to convert carbon dioxide and water into glucose and oxygen. Oxygen is the by- product of this reaction. Hence, option A is correct.

Other options are wrong because photosynthesis is not a process by which energy can be extracted from food or it is not a process by which excretion of waste occurs. Neither is it a process of reproduction.

The single-celled algae and multicellular plants A. make food. Therefore , A. make food  is correct.

Photosynthesis is a vital biological process in which both single-celled algae and multicellular plants harness energy from sunlight to convert carbon dioxide and water into glucose.

This transformative process occurs in chloroplasts, where pigments such as chlorophyll capture light energy.

This captured energy facilitates the synthesis of carbohydrates, serving as the primary source of organic nutrients for these organisms.

During photosynthesis, light energy is converted into chemical energy, stored in the form of glucose.

This glucose not only serves as a direct energy source for the organisms but also acts as a foundational building block for other essential organic molecules.

By utilizing carbon dioxide and releasing oxygen as a byproduct, photosynthesis plays a crucial role in maintaining atmospheric balance.

While photosynthesis is indeed a process vital for generating sustenance, it is not directly involved in waste elimination, energy extraction from food, or reproduction.

The primary focus is on the synthesis of organic compounds to support the metabolic and growth needs of these organisms.

option A, "make food," accurately encapsulates the core function of photosynthesis for both single-celled algae and multicellular plants.

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Answer:

ribs

Explanation:

c. ribs is the correct answer

Answer:

The sporophyte is nutritionally dependent on gametophyte.

Answer:

The sporophyte is nutritionally dependent on gametophyte.

Explanation:

Answer: It would actually be C

Explanation: the mRNA stand for Messenger RNA. It's the type of RNA that carries protein-building. Hence... its C

Pp only  will be included for the offspring in the Punnett square for this cross

Explanation:

In an experiment Mendel shows how to keep it in grid when he conducts a cross and presents a way of showing the potential combinations of parental alleles in the offspring is to align the alleles and call it a Punnett square. It functions like a multiplication table.

The phenotype experiment work on appearance of organism. It can be understood as if female part of flower is PP genotype it means entire offspring has pink color. If female part has Pp genotype it means 50% of offspring will have pink and 50% have another color.

Answer:

d

Explanation:

Answer:

The Mid-Atlantic Ridge

Explanation:

The Mid-Atlantic Ridge includes a deep rift valley that runs along the axis of the ridge along nearly its entire length. This rift marks the actual boundary between adjacent tectonic plates, where magma from the mantle reaches the seafloor, erupting as lava and producing new crustal material for the plates.

Answer:

rift valley

Explanation:

hope this helps!! :D

Answer:

Tsunamis are large, potentially deadly and destructive sea waves, most of which are formed as a result of submarine earthquakes.

Explanation:

Answer:

C. The energy moves through a food chain where

organisms transfer energy by eating and being eaten.

Answer: C. The energy moves through a food chain where

organisms transfer energy by eating and being eaten.

Answer:

b is wrong, the rest are correct

Explanation:

Gases in the atmosphere, ie., carbon dioxide, nitrous oxide, and methane, trap the heat from water vapor the sun has evaporated. This can cause higher temperatures, and forms the greenhouse effect.  A problem it causes is global warming, since those gasses are trapping the heat in the atmosphere, harming the ozone layer, causing more ultraviolet rays to go through, which is very harmful to humans.

Hope I helped :)

Explanation:

The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere.This cause global warming

Answer:

i think the answer is D

Explanation:

A better conductor of heat is copper wire, which conducts heat better because molecules in a solid are closer together, which is option D. Copper is a good conductor of heat because it has free electrons that can move throughout the metal and transfer thermal energy quickly.

Copper is a better conductor of heat than air because of the way its atoms and molecules are arranged. In a solid like copper, the atoms are packed closely together, allowing heat energy to be transferred quickly through the material. In contrast, in a gas like air, the molecules are much further apart, and heat energy transfers more slowly as a result. This is why copper is often used in electrical wiring and in other applications where high conductivity is needed.

Hence, a better conductor of heat is copper wire, which conducts heat better because molecules in a solid are closer together, which is option D.

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Answer:

Euglenophyceae  is theScientific name for Euglena

Explanation:

They are the commonly known flagellates, that can easily excavate eukaryotes of the phylum Euglenophyta. There cell structure are found to be typical in this phylum. They can be seen in the freshwater, only where there is abundant organic matter with few or absence of marine and endosymbiotic members. It has 54 genera and atleast 800 species. They can be both autotroph as well as heterotroph. Chloroplast present in it, captures the sunlight which is further used for the process of photosynthesis. There are numerous rod like structures found throughout the cell.  

The label that belongs in the area marked Z indicates evidence of adaptations to similar environments. Thus, the correct option for this question is C.

Evolution may be defined as a type of biological process that involves changes in the proportions of biological types in a population over a specific period of time. It involves the descent with modification from preexisting species.

The term adaptation can be defined as the evolutionary strategies through which species face different environments. Different kinds of species may have identical types of adaptations in order to face the same environmental conditions.

Therefore, the label that belongs in the area marked Z indicates evidence of adaptations to similar environments. Thus, the correct option for this question is C.

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Answer:

The correct answer is (C) evidence of adaptations to similar environments.