why correct answer is B. selective breeding? someone please give me a explanation​

Answer:

trade northeasternly. Tropics are by the equator in most cases

Explanation:

With the help of the figure, trade winds (northeasterly) storms start tropical storms.

The constant east-to-west predominant winds that blow in the equatorial region of the Earth have been known as the trade winds but rather easterlies.

Strong winds, a spiraling arrangement of cyclones that can produce heavy rain and squalls, a low-pressure center, and just a closed lower pressure circulation are the characteristics of a tropical cyclone, which is a fast revolving storm system.

Therefore, with the help of the figure, trade winds (northeasterly) storms start tropical storms.

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In ecosystems where multiple organisms or species coexist, interactions like predation, competition, and symbiosis occur, influencing community dynamics and leading to outcomes such as the competitive exclusion of less adapted species.

When many organisms or species live together in an ecosystem, a number of interactions may take place which are crucial in shaping the community's structure and dynamics. These interactions include predation, herbivory, competition for resources, and various forms of symbiosis such as commensalism, mutualism, and parasitism. For instance, if two species occupy the same ecological niche in an area and compete for the same resources, typically one species may become predominant and the other may become locally extinct—a concept known as competitive exclusion.

Community structure can also be influenced by the roles of specific species, categorized as foundation or keystone species, as well as by the process of succession which leads to a stable community over time. The variety of species in a given area, or biodiversity, affects how these interactions play out, with some ecosystems like tropical rainforests having incredibly high diversity, while others, like the glaciers of Antarctica, having less diversity but still a significant variety of life forms.

Answer:

The structure most responsible for maintaining cell homeostasis is the cell membrane.

Explanation:

The cell membrane primarily maintains homeostasis within a cell by controlling what enters and exits the cell. Homeostasis refers to maintaining a stable internal cell environment. In a broader context, homeostasis in the body involves maintaining equilibrium around a particular set point.

The cell membrane, also referred to as the plasma membrane, is primarily responsible for maintaining homeostasis within any cell. This is accomplished through controlling what enters and exits the cell, thus preserving a stable internal environment. Processes such as passive transport (diffusion, osmosis) and active transport (endocytosis, exocytosis) help in achieving this stable state.

Homeostasis refers to a dynamic state of balance within parameters that are compatible with life. It is the activity of cells throughout the body to maintain the physiological state within a narrow range. Homeostasis is regulated by negative feedback loops and, much less frequently, by positive feedback loops that work to prevent an excessive response to stimuli.

In the broader body context, the goal of homeostasis is the maintenance of equilibrium around a specific value, known as a set point. For instance, in response to a rise in blood glucose levels after a meal, adjustments are made to lower these levels, either by diverting the nutrient to tissues that need it or storing it for later use.

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Every cell in an animal requires oxygen to perform cellular respiration.

Cellular respiration is the process by which animals take in oxygen and exchange it for carbon dioxide and water as waste products.

Answer: carbon dioxide choice 3

The answer is carbon dioxide

The difference between a fixed, gliding, and ball-and-socket joint lies in their structure and the type of movement they allow.

Fixed Joints (Synarthroses): These joints, also known as synarthroses, do not allow any movement. They are characterized by bones that are held together by dense connective tissue. Examples include the sutures between the bones of the skull.

Ginglymus: Joints permit movement in only one plane, allowing flexion and extension. They are similar  of a door. Examples include the elbow joint (between the humerus and ulna) and the knee joint (between the femur and tibia).

Gliding Joints (Arthrodial Joints): Gliding joints allow bones to slide past each other in any direction, but the range of motion is limited. The bones are held together by ligaments, and the joint surfaces are flat or slightly curved. Examples include the joints between the carpal bones in the wrist and the tarsal bones in the ankle.

Ball-and-Socket Joints (Spheroidal Joints): These joints offer the greatest range of motion, allowing movement in all three planes flexion/extension, abduction/adduction, and rotation. The rounded head of one bone fits into the cup-like socket of another bone. Examples include the shoulder joint (between the humerus and scapula) and the hip joint (between the femur and pelvis).

Each type of joint is specialized for specific functions and is found in different parts of the body where those movements are required. The structure of each joint, including the shape of the bone ends and the type of connective tissue present, determines the kind of movement that is possible."

Species have changed over time

The answer is species have changed over time

"An organism in which the two copies of the gene are identical — that is, have the same allele — is called homozygous for that gene. An organism which has two different alleles of the gene is called heterozygous."

The genetic condition of an organism that has two identical alleles for a given trait is called homozygous.

In the language of genetics, the genetic condition of an organism that has two identical alleles for a given trait is called homozygous.

For example, if an organism has two alleles for flower color, and both alleles are the same, such as two dominant alleles (YY) or two recessive alleles (yy), then the organism is homozygous for flower color.

Homozygous individuals will have the same physical appearance regardless of whether they have two copies of the trait or one copy of the dominant trait and one copy of the recessive trait.

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Answer: gg

GG

Gg

gg

The correct option is 4. gg.

In the given scenario, grey flies (G) are dominant over black flies (g). This means that the presence of at least one dominant allele (G) will result in the grey fly phenotype, while the recessive phenotype (black flies) will only be expressed when two recessive alleles (g) are present.

Let's examine the options:

1. Gg: This is a heterozygous genotype, which means the organism has one dominant allele (G) and one recessive allele (g). The dominant trait will be expressed, so this is not an example of a recessive genotype.

2. Grey flies: This option refers to the phenotype of the flies, not the genotype. Since grey is the dominant color, this does not indicate a recessive genotype.

3. Black flies: While this option refers to the recessive phenotype, it does not specify the genotype. Black flies can have either the gg (recessive) or Gg (heterozygous) genotype. Therefore, this is not necessarily an example of a recessive genotype.

4. gg: This is the homozygous recessive genotype. Both alleles are recessive (g), and as a result, the recessive trait (black flies) will be expressed. This is the correct example of a recessive genotype.

5. GG: This is the homozygous dominant genotype. Both alleles are dominant (G), and the dominant trait (grey flies) will be expressed. This is not an example of a recessive genotype.

Therefore, the genotype gg is the only option that represents a recessive genotype, as it consists of two recessive alleles, which will result in the expression of the recessive trait (black flies).

Answer:is line spectra

Explanation:

Answer:

C. light from sunspots

Explanation:

Answer:

A: Two different forms  a plant can have

Explanation:

Rather than saying forms, I would say that Sorophytes and Gametophytes are a type of plant generation. Plants can either be diploids - Sorophytes (these kind contain 2 chromosomes set and use meiosis to produce spores) and haploids (they use mitosis to divide the cells)

Sporophytes and gametophytes are two distinct stages in a plant's life cycle, with the sporophyte being diploid and the gametophyte being haploid. Homosporous and heterosporous plants display different reproductive structures that influence their lifecycle and development. The correct option is A.

Sporophytes and gametophytes are two different stages in the life cycle of plants. The sporophyte is the diploid (2n) stage that produces spores, while the gametophyte is the haploid (1n) stage that produces gametes.

In homosporous plants, the gametophyte is dominant and produces both male and female gametangia on the same individual. In contrast, heterosporous plants produce two different types of spores—microspores (male) and megaspores (female)—giving rise to separate male and female gametophytes.

This alternation of generations between sporophyte and gametophyte stages is a key characteristic of plant reproduction, contributing to their evolutionary diversity and reproductive strategies.

Answer:

B

Explanation:

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Photosynthesis vs. Cellular Respiration Comparison

Answer:

No

Explanation:

We now know that sharks have keen vision despite believing they had fragile vision in the past. According to research, sharks may be more than ten times as sensitive to light as humans. Because of how their eyes are built, scientists also think that sharks may be farsighted, meaning they see better at a distance than up close.

Answer:

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

A phenotype is the observable characteristics of an organism, resulting from its genes and environmental influences. The genotype is its genetic makeup, which interacts to produce the phenotype. Therefore, the phenotype is influenced by both genetic and environmental factors.

A phenotype is the set of observable characteristics or traits of an organism. These observable traits result from the genetic makeup (genotype) of a cell or organism and the environmental factors that influence these genes. Genetic variation within a population results in different phenotypes.

For example, two alleles for a given gene in a diploid organism are expressed and interact to produce physical characteristics. The observable traits expressed by an organism are referred to as its phenotype. An organism's underlying genetic makeup, consisting of both physically visible and non-expressed alleles, is called its genotype. Therefore, genotype influences the phenotype, but phenotype is the observable result of this interaction.

The phenotype of an organism can also be affected by the environment. For instance, the color of a flower might depend not only on its genes but also on factors like sunlight, nutrients, and temperature.

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A. The answer is Mitosis

please rate my answer

it just as it is tempting to take natural selection to extreme so no not all

1.) Synthesis

2.) Respiration

3.) Excretion

4.) Respiration

5.) Reproduction

6.) Homeostasis

7.) Structure

8.) Kingdom, Genus, Species

9.) Similarity

10.) Kingdom

Hope this helps ya, please slide me Brainliest :D

Answer:s

Explanation:

Answer:

The answer is Astronomy. It means the study and interpretation of celestial bodies.

Explanation:

ASTRONOMY is the scientific study of the universe, including the observation and interpretation of celestial bodies and phenomena.

In conclusion, ASTRONOMY is the scientific study of the universe, including the observation and interpretation of celestial bodies and phenomena.

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Answer:

Total Costs

Explanation:

The goal of cost benefit analysis is to get the highest return of investment, while saving the most money. In order to execute a cost benefit analysis you define whichever option you want to apply, calculate all costs and all possible benefits, expressed in savings or higher income. For example, if you run a small bakery and used to buy 25 pound sacks at 30 cents the pound and are thinking of switching to another brand that sells larger 280 sacks at 0.20 cents the pound, you would calculate the total costs of buying flour, but also costs like transportation to your bakery and storage in order to determine if it's a good idea to switch or not.

A cost benefit analysis indicates total costs and the correct option is option D.

Cost-benefit analysis (CBA) is a systematic approach to evaluating the costs and benefits of a particular project, policy, or economic intervention. CBA compares the total expected costs of a project or policy to the total expected benefits, in order to determine whether the project or policy is likely to be worthwhile.

CBA is a widely used tool for decision-making in both the public and private sectors. It is particularly useful for projects or policies that have both costs and benefits that are difficult to quantify, such as environmental projects or social programs.

Thus, the ideal selection is option D.

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Answer:

The answer is Ribosome.

Explanation:

Protein synthesis in a cell is called as transcription. Ribosomes are sites where protein synthesis takes place. A ribosome is composed of ribosomal RNA (rRNA) and proteins. These are present in the cytoplasm of a cell or attached to endoplasmic reticulum. If the cell is unable to produce protein most likely its ribosynthetic Machinery is not functional.

Answer: ribosomes on edge

Explanation:

i just took the test

Answer:

More and more staeted showing up

Explanation:

Answer:

Both male and female gametes are created during the process of meiosis. The formation of male gametes or sperm is called spermatogenesis. After telophase II of spermatogenesis, there would be four male gametes created that are all genetically haploid.

Explanation:

Telophase II is the final step in Meiosis II. In Telophase II of the spermatogenesis chromosomes travels to opposite poles and are covered by a nuclear envelop.  The two parent cells result four daughter cells which are haploid (1n).  

Answer:

Molecular evidence.

Explanation:

Different species of bacteria may look similar structurally/morphologically and can only be told apart through molecular sequencing of biomolecules such as DNA or proteins. This genetic sequencing will compare the sequences of the two species and the differences can be perceived and biologists can tell how far apart the species are.

Final answer:

Both structural and molecular evidence are critical in determining relationships between species. Molecular evidence often provides a more detailed understanding of evolutionary connections that is less likely to be influenced by environmental factors. Homologous structures that share both morphological and molecular similarities suggest a common ancestry, making molecular evidence a robust framework for phylogeny.

Explanation:

Importance of Structural and Molecular Evidence in Determining Relationships Between Species

When it comes to making decisions about relationships between species, both structural and molecular evidence play crucial roles. Structural evidence, or morphological characteristics (form and function), has been a foundation for understanding evolutionary relationships historically. However, with the advent of molecular biology, genetic evidence has become equally, if not more, important. Genetic information provides a more detailed and precise understanding of the evolutionary connections between organisms. It is because genetic similarities and differences are often indicative of shared ancestry or divergent evolution.

Structural similarities can sometimes be misleading due to convergent evolution, where unrelated species evolve similar traits independently due to similar selective pressures rather than shared ancestry. On the other hand, molecular evidence, such as DNA and RNA sequences, can provide more direct and quantifiable measures of evolutionary relationships through comparisons of genetic codes that are less likely to be influenced by environmental factors.

For example, homologous structures, which are features that are similar in form and function due to shared ancestry, can be identified through both structural and molecular similarities. These can be traced back to a common ancestor, providing strong evidence for evolutionary relationships. In summary, while morphological evidence can offer valuable insight, molecular evidence typically provides a more robust framework for determining phylogenetic relationships between species.

Limestone is an example of sedimentary rock. Thus, the correct option is B.

Sedimentary rocks are one of the three type of rocks, apart from igneous and metamorphic rocks.

These rocks are formed on the surface of the earth or near it. They cover around 75% of the earth's crust

They are formed due to geological processes such as sedimentation, erosion, precipitation, weathering, lithification and dissolution.

Sedimentary rocks are formed by being deposited in layers, which is known as bedding. Sedimentary basins are large structures where these sedimentary rocks are deposited.

These rocks contain iron in its oxide forms, carbonate, silicate and even organic matter. This organic matter comes usually from the dead remains of organisms.

Fossils are majorly found in the sedimentary rocks amongst the three types of rocks.

Examples of sedimentary rocks include limestone, sandstone, clay, chalk and shale.

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Do you need an answer to all of the questions?

Answer:

Do you need answer for all of them?

Explanation:

Answer:

the natural home or environment of an animal, plant, or other organism.

Explanation: An easy to remember the definition is to think of where you live and relate that to animals.

Answer: uranium                      

Explanation:

Answer:

D. Water

Explanation:

Water is technically considered a renewable resource because it can be used over and over again and it has a rain cycle.

1. G. the rocks that became the Himalayas were once at the bottom of an ocean

The fact that we see fossils of marine animals such as ammonite and marine mollusk in Nepal, high in the Himalayan Mountain Range, is a good proof that the continents have been moving and that that has caused significant changes in the topography. The Himalayas came to be because of the collision of the Indian plate and the Eurasian plate. The Indian plate moved toward Eurasia, and as it did it was closing down the ancient Tethys Ocean. The crust started to lift up as the two plates started to press against each other, so what was once ocean floor started to come above the surface and slowly turning into high mountain range, moving the marine fossils with it.

2. F. new moon

When the Moon is located between the Earth and the Sun we have the new moon lunar phase. During this phase we can actually not see the Moon from the Earth as it appears totally dark, so it blends in with the night sky. The reason why the Moon appears totally dark from the Earth's perspective is that the half facing the Earth is covered from the sunlight, thus it is not lighted, while the other half that is facing the Sun is entirely lighted because it is exposed to the sunlight.

An example of bioaccumulation is b. the mercury contained in fish builds up on animals that eat the fish. This is because bioaccumulation is defined as a steady build up over time of a chemical in a living organism.

In the example, mercury is the chemical that builds up on animals that would eat the contaminated fish.

Answer:

B.

Explanation: