During which phase of mitosis are sister chromatids separated when the mitotic spindle fibers shorten? metaphase telophase anaphase prophase

D.

Mediterranean/chaparral

Answer:

We breathe (mostly) an homogeneous mixture of elements: elemental nitrogen, N2 ; elemental oxygen, O2 . The mixture is homogeneous because the dioxygen and dinitrogen are in the same phase and state.

A mixture is a material made up of two or more different chemical substances which are not chemically combined.

Air is a mixture because the components of air are not chemically combined together.

A mixture is a material made up of two or more different chemical substances which are not chemically combined. This mixture can be separated using physical method.

The composition of the air we breathe include the following;

Air is a mixture because the components of air are not chemically combined together.

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Comparing plant survivorship in areas where hikers stay on the trail with plant survivorship in the area where hikers leave the trail is the best test of the hypothesis.

In the western Himalayas, the threshold over which trees can no longer be found varies according to height, aspect, slope, and other factors, but is often above 3600m. This is one of the most critical zones for creatures that live at high altitudes. The Kosciuszko National Park is bordered by the Alpine National Park, which spans from middle Gippsland to the New South Wales border. Some of Australia's most beautiful alpine scenery, including mountain peaks, escarpments, and grassy high plains, may be found within the park.

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Answer:

The answer that seems most logical would be "Selected against"

Explanation:

This is because an organism that is more likely to die is going to have a harder time surviving than that of an evolved species.

Answer:

According to the diagram, step 3 indicates the S phase of cell cycle, which corresponds to the DNA replication phase.

Explanation:

In the S phase of the cell cycle the nucleus contains twice the amount of its genetic charge, due to increased DNA replication, resulting in each chromosome forming two chromatids.

This is a relatively long phase, and is part of the preparation process that occurs before an imminent division. In the diagram it is indicated by the number 3.

The S phase is named for the abbreviation of Synthesis.

The correct option is C, Proteins damaged by stresses accumulate at old poles, thereby allowing new poles to continue growing.

Proteins are macromolecules that play crucial roles in the functioning and structure of living organisms. Composed of long chains of amino acids, proteins are involved in a wide range of biological processes, including enzyme catalysis, cell signaling, immune response, and structural support.

Each protein's unique structure is determined by its amino acid sequence, which is encoded by genes in DNA. There are 20 different amino acids that can be combined in various ways to form proteins with distinct shapes and functions. This diversity allows proteins to carry out specific tasks within cells and tissues.

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Invasive species are very difficult to control because they have adaptations that may face different environmental conditions, thereby removing competing species.

An invasive species is any species that is introduced into a foreign ecosystem (generally due to human activity) and they are able to survive and displace other native species due to the presence of evolutionary adaptations that better fits the conditions in such environments.

Therefore, with this data, we can see that invasive species are generally introduced by humans into new environments and may cause a disequilibrium by eliminating competitive native species.

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Answer:

C. a tropical rain forest

Explanation:

Dont have a explanation nut i hopes this help.

Answer:

Small living beings that live in the heart are usually referred to as endocardial parasites or endocarditis-causing organisms. Endocarditis is the inflammation of the endocardium, which is the inner lining of the heart chambers and heart valves. It can be caused by various microorganisms, including bacteria, fungi, and in rare cases, parasites.

However, it's important to note that parasites living in the heart are relatively uncommon compared to other types of microorganisms. The majority of cases of endocarditis are caused by bacterial infections. Bacteria such as Streptococcus, Staphylococcus, and Enterococcus are commonly associated with endocarditis.

Parasitic infections that can affect the heart include certain species of worms, such as the dog heartworm (Dirofilarial imcites) and the human parasite called Echinococcal. These parasites typically do not directly inhabit the heart itself but can affect the heart and its surrounding structures.

It's essential to consult with a healthcare professional if you suspect any cardiac-related infections or diseases to receive an accurate diagnosis and appropriate treatment.

Explanation:

No, not all organisms eat the same food in the food web, this is because there are different hierarchies is the food chain.

A food web is a diagram that shows what is eaten by what in an ecological community and how food chains naturally connect to one another. Consumer-resource system is another term for the food web.

Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the ecosystem.

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A flagellum is a long, whip-like appendage that protrudes from the surface of certain cells. The correct option is d. Enables cell movement

The main role of a flagellum is to provide motility to the cell by generating a whipping or undulating motion, allowing the cell to swim or move in its environment. The correct option is d. Enables cell movement

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The reproductive strategy that is consistent with energetic trade-off and reproductive success is C) species that have to broadcast to distant habitats tend to produce seeds with heavy protective seed coats, and animals that are caring parents produce fewer offspring with lower infant mortality.

This strategy involves a trade-off between the amount and quality of offspring. In this strategy, species with protective seed coats invest more energy in protecting their offspring from harsh environments while reducing the number of offspring.

On the other hand, species that are caring parents invest more energy in nurturing their offspring, thereby increasing the chances of survival, but reducing the number of offspring they produce.

Both strategies are consistent with energetic trade-offs and reproductive success because they balance investment in offspring quantity and quality.

This ensures that the species has a good chance of producing viable offspring that will survive to reproductive age and pass on their genes to the next generation. Therefore, the correct answer is C.

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A BBee genotype Labrador will be black in color.

Epistatic genes are genes that can affect the expression of other genes, even those on different chromosomes, by either enhancing or suppressing their expression. They can influence the phenotype of an individual by masking or modifying the effects of other genes.

A Labrador with BBee genotype will be black in color.

This is because BB denotes the dominant black color, and ee denotes the recessive yellow color. Since yellow is recessive epistatic, it will mask both brown and black colors. Therefore, the dog will express the dominant black color even though it carries the recessive yellow allele.

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Answer:

Option D

One solution to decreasing global temperatures is to use ____

More Biofuels

Explanation:

No! After the dinosaurs died out, nearly 65 million years passed before people appeared on Earth.

Measurements taken in observing a plant grow 1cm over a one-week period are called Data. The correct answer is (C).

Measurement is the process of determining the quantity of physical quantity of a given plant. The process of determining the growth of a plant is known as plant growth measuring. The increase in a plant's growth over a one-week period can be considered to be an example of quantitative data because it is quantifiable and measurable using some specific units of measurement. It is then recorded and analyzed in order to provide a comprehensive and concise evaluation of the plant's growth rate. Data is the term used to describe the results of these evaluations, making option C (Data) the correct answer to the given question.

Measuring plant growth is an essential step in understanding the requirements for optimal plant growth and development. By measuring plant growth, scientists and gardeners can determine the most appropriate amount of water and nutrient that is required by the plant to grow optimally. They may also detect some defects or disorders that a plant may be suffering from. The data collected from this process is used to gain insight into the various processes involved in plant growth and development and to develop optimal growth conditions for the plants.

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CO2 in the atmosphere decreases during the growing season and increases during the rest of the year, which leads to maximum buildup in April and May before photosynthesis begins to take over again.

There's more carbon dioxide in the winter and a bit less in the summer. That's the collective breathing of all the plants in the Northern Hemisphere. "Plants are accumulating carbon in the spring and summer when they're active, and they're releasing carbon back to the air in the fall and winter," Graven explains.

Answer:

they move faster on average

Explanation:

temperature increase means the particles have more kinetic energy so they move faster

It is true that if the event is all day, it's essential to start building up glycogen stores 2 days ahead to ensure adequate energy levels during the event. Hence option a) is the correct answer.

Building up glycogen stores takes time, and starting 2 days ahead of an all-day event ensures that your body has enough energy to sustain you throughout the day.

This is especially important for endurance activities such as marathons or triathlons. It is recommended to consume carbohydrates and hydrate well during the two days leading up to the event.

Glycogen stores is the storage form of glucose in animals, including humans. Glycogen is a large and branched polymer made up of glucose molecules that is stored in the liver and muscles.

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I believe there are 6 carbon atoms in one molecule of glucose

Answer:

6

Explanation:

The chemical formula for glucose is C6H12O6

Answer:

Both plant cells and animal cells.

Explanation:

This is due to the requirement for survival in both plant and animal cells, which provides movement and work energy to food.

Other possibilities are not correct, as either cell or none of them acquire food energy is false.

Annelida are worms whose bodies are divided into similar rings or segments. they are classified into three groups, Polychaeta, Oligochaetes, Hirudine, and Achaea.

Polychaeta is the bigger group in the Annelida, and everyone has equal segments.

Leeches are segmented parasitic predatory worms in the Hirudinea subclass, in the Annelida phylum.

The scallop is a name of various species and does not belong to the Annelida phylum.

The earthworm is a terrestrial invertebrate that belongs to the Annelida Phylum.

Nautilus is from the Mollusca phylum and does not belong to the Annelida.

The subphylum Polychaeta, the leaches, and the earthworm are the ones that match the description of segmented worms

The conclusion that is MOST STRONGLY supported by the data in the table is "D- Introducing polyploidy to plants can increase certain desirable traits."

option D is correct.

The table shows that introducing polyploidy in plants can increase the size of the leaves, cells, fruits, flowers, and seedless fruits.

Therefore, we can conclude that polyploidy can improve certain desirable traits in plants. This is also supported by the fact that many plants that are grown commercially are polyploid, which is an evidence that introducing polyploidy in plants has its advantages.

Option A is incorrect as polyploidy can be developed naturally.

Option B is not the MOST STRONGLY supported conclusion as it is not always the case that plants will increase their ploidy level with each generation.

Option C is incorrect because many polyploid plants exist and are able to survive with a higher chromosome number.

option D is correct.

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Answer:

Packaged foods ( e.g. muffins, cookies or candies ) are not considered as a potentially hazardous food .

Explanation:

A potentially hazardous food is that food ( natural or man made ) which  supports the rapid and progressive growth of infectious and toxin - producing microorganism.                                                                                                               These foods are typically foods having high protein content or carbohydrate content , have high moisture content or low acidity .                                          Examples of potentially hazardous food includes meats,  eggs , cooked beans or peas ,cut fruits and vegetables , cooked vegetables, cooked rice , raw seeds and sprouts , etc.                                                                                              So , packaged foods are not considered as hazardous as they are packaged and so are protected from microbes as they  are not in contact of atmosphere . All the other foodstuff , even boiled food  is also hazardous as they provide necessary conditions required by microbes to grow like moisture, etc.

The reef butterflyfish is well suited to life on the reef. Its compressed body allows for darting in and out of coral. The small, protractile mouth is specifically adapted to crevice feeding.

The climax stage of succession typically has the highest biodiversity.

Succession refers to the gradual process of ecological change in an ecosystem over time. It involves the sequential colonization of species and the replacement of one community by another until a stable, self-sustaining community known as the climax community is established.

Throughout the stages of succession, from the initial colonization by pioneer species to the establishment of more complex communities, biodiversity can change. During the early stages, pioneer species and early colonizers dominate, resulting in relatively low biodiversity due to limited niches and harsh environmental conditions.

As succession progresses and conditions become more favorable, intermediate species start to establish themselves. Biodiversity begins to increase as a wider range of species find suitable niches, resulting in more complex interactions and diversity of life forms.

However, it is at the climax stage that the ecosystem reaches a state of equilibrium and balance. The climax community consists of a variety of species that have adapted to the prevailing environmental conditions.

However, it is at the climax stage that the ecosystem reaches a state of equilibrium and balance. The climax community consists of a variety of species that have adapted to the prevailing environmental conditions. These species are often well-suited to the specific conditions of the ecosystem, resulting in a high level of biodiversity. The interactions among multiple species, including plants, animals, and microorganisms, contribute to a complex web of relationships, leading to a diverse and stable ecosystem.

In conclusion, the climax stage of succession typically exhibits the highest biodiversity. This is due to the establishment of a diverse range of species that have adapted and interacted to form a stable and self-sustaining ecosystem.

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IAFIS: It stores national fingerprint records and criminal history information for identification and background checks, CODIS: It stores DNA profiles for comparison and matching purposes in criminal investigations, SICAR: It stores shoeprint images to aid in the identification of footwear impressions at crime scenes.

Forensic databases are databases used by law enforcement to store, manage and analyze information related to criminal investigations.

These databases help to provide accurate and up-to-date information to investigators, which can be crucial in solving crimes.

Here are three examples of forensic databases and the type of information stored in each:

1. IAFIS: The Integrated Automated Fingerprint Identification System (IAFIS) is a national fingerprint and criminal history database maintained by the Federal Bureau of Investigation (FBI). It contains criminal fingerprints and palm prints, as well as information related to criminal histories, such as arrest records, convictions, and other criminal records.

2. CODIS: The Combined DNA Index System (CODIS) is a forensic database that enables federal, state, and local crime labs to electronically exchange and compare DNA profiles. CODIS contains DNA profiles of convicted offenders, as well as DNA profiles from crime scenes. This database can help investigators link crimes and identify suspects.

3. SICAR: The Shoeprint Image Capture and Retrieval (SICAR) database is used to store shoeprint images. The database enables investigators to analyze shoeprints from crime scenes and compare them with prints from known suspects. This can help investigators identify potential suspects or link crimes together.

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