Are the chromosomes duplicating during the interphase ?


(If the answer yes ) are the chromosomes get another duplicating in the prophase?

Answer:

The purpose of natural selection is not a conscious or intentional one, as it is not driven by a specific goal or purpose. Instead, natural selection is a fundamental process in biology that acts on heritable traits within populations over generations. It is a key mechanism of evolution.

Explanation:

The primary outcome of natural selection is the adaptation of organisms to their environment. Individuals with traits that are advantageous in a particular environment are more likely to survive, reproduce, and pass on those beneficial traits to their offspring. Conversely, individuals with traits that are disadvantageous are less likely to survive and reproduce, leading to a reduction in the frequency of those traits in the population over time.

Natural selection, therefore, acts as a filter that shapes the characteristics of populations, favoring traits that enhance an organism's survival and reproductive success in a given environment. Over many generations, this process can lead to the development of new species or the modification of existing ones, as populations accumulate adaptations that allow them to thrive in different ecological niches.

It's important to note that natural selection does not have an end goal in mind, nor does it necessarily lead to the "best" or most advanced organisms. Instead, it is a consequence of the interactions between organisms and their environment, constantly shaping and refining the traits of living beings based on their ability to survive and reproduce.

Answer:

machine can decrease banka the input force and the input distance needed to do a given amount of work.

Answer:

The answer is D) A machine can decrease either the input force or the input distance needed to do a given amount of work.

Explanation:

Answers to Lesson 2: Introduction to Machines

1. D) A machine can decrease either the input force or the input distance needed to do a given amount of work.

2. D) It allows a smaller force to be applied over a longer distance.

3. B) 2

4. B) 1

5. D) 83%

6. D) 400 m

I took the quiz these are 100% correct

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The difference between animal and plant cells is that they contain different organelles, among these are the chloroplasts that plant cells contain and animal cells do not.

Each of these cells will have their own requirements, which is why they will have different types of organelles to be able to meet these requirements. Among the differences will be that plant cells will have chloroplasts to be able to generate their own food since they cannot obtain it by other means, so they will manufacture sugar through sunlight.

In plant cells it will have a cell wall that will be surrounded by a cell membrane. While animal cells will not have this cell wall.

Therefore, we can confirm that plant cells and animal cells will have differences in their content, function and organelles.

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Answer:

The primary differences between animal and plant cells concern the types of organelles present within them. Although these cell types are similar in that they’re both eukaryotes, plant cells have several structures not present in animal cells: chloroplasts, amyloplasts, and cell walls.

Explanation:

p foster

immigration

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Answer:

Explanation:

100m

500m

2500m

Civil Rights Movement and Women's Suffrage Movement are 2 examples of how ordinary citizens created significant social change.

Civil Rights Movement in the United States: The Civil Rights Movement of the 1950s and 1960s saw ordinary citizens, such as Rosa Parks, Martin Luther King Jr., and countless others, playing crucial roles in challenging racial segregation and discrimination. Through peaceful protests, civil disobedience, and grassroots activism, they brought attention to the injustices faced by African Americans and fought for equal rights, leading to significant changes in legislation and societal attitudes.

Women's Suffrage Movement: The women's suffrage movement fought for women's right to vote and brought about significant social change. Ordinary citizens, including suffragettes like Susan B. Anthony and Elizabeth Cady Stanton, organized rallies, protests, and campaigns to advocate for women's suffrage. Their persistent efforts, spanning several decades, eventually led to the passage of the 19th Amendment in 1920, granting women the right to vote in the United States.

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Answer:

vaccine make people immune to small pox

Looking at the image and the labelings critically, the site of blood filtration, otherwise known as the glomerulus, is labeled as A.

The kidney functions primarily in the process of excreting substances such as urine and toxic drugs.

The excretory substances in the blood are filtered off in the glomerulus of the kidney.

The structure marked A represents the glomerulus. C is known as the Bowman's capsule.

Thus, blood filtration happens at A.

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Answer:

A

Explanation:

edge 2022

Answer: How can limiting factor affect population growth?

Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off

Explanation:

Answer:

Land plants get the water they use in photosynthesis from the soil through their roots.

Land plants obtain water for photosynthesis from the soil, which is absorbed through their roots and transported to the leaves through the xylem.

Land plants obtain water for photosynthesis primarily from the soil. The process involves a series of steps that enable water uptake and transportation within the plant. First, plant roots, equipped with root hairs, extend into the soil and absorb water through osmosis. This occurs because the concentration of dissolved substances, such as minerals, in the root cells is higher than that in the surrounding soil.

Water moves from the roots to the xylem, which is a specialized tissue responsible for transporting water and nutrients throughout the plant. This upward movement is facilitated by a combination of root pressure, capillary action, and most importantly, transpiration. Transpiration is the loss of water vapor from the plant's leaves through small openings called stomata. As water evaporates from the leaf surfaces, it creates a negative pressure gradient that pulls water up through the xylem from the roots.

Once water reaches the leaves, it is utilized during photosynthesis. The water molecules are split during the light-dependent reactions, releasing oxygen as a byproduct and providing electrons for the production of ATP and NADPH, which are essential for the light-independent reactions (Calvin cycle).

In summary, land plants rely on their roots to absorb water from the soil, which is subsequently transported through the xylem to the leaves where it is utilized in the process of photosynthesis.

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Answer:

Decomposers and producers

Answer: Yogurt has less lactose than most dairy products. Everyone responds to dairy differently, so a persons tolerance may be different than another person who’s also lactose intolerant.

Explanation:

The type of reproductive strategy that may be more advantageous for the survival of an individual is the sexual mode of reproduction due it increases the chances of generating more adaptive (fittest) genotypes and thus superior phenotypes in a given environment.

The types of reproductive strategies refer to all types of strategies that organisms use to generate more and fittest adapted organisms capable of surviving and reproducing in a given environment, which include, for example, mode of reproduction (e.g. gametic generation), sexual reproduction and/ or asexual reproduction, age of individual during the reproductive stage, etc.

In conclusion, The type of reproductive strategy that may be more advantageous for the survival of an individual is the sexual mode of reproduction due it increases the chances of generating more adaptive (fittest) genotypes and thus superior phenotypes in a given environment.

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Mitochondria make use of the Electron Transport Chain to build an electrochemical gradient by pumping protons across the internal mitochondrial membrane, while chloroplast chemiosmosis refers to the use of the free energy difference to phosphorylate ADP in order to generate ATP drives by the ATP Synthase.

The Electron Transport Chain is a key process in the mechanism of oxidative phosphorylation, which represents the third step of cellular respiration. During this process, electrons move through a series of carriers, and the energy it is used to pump protons across the inner mitochondrial membrane.

Subsequently, the electrochemical potential generate is used to generate ATP by chemiosmosis, which uses the fee energy and a series of protein complexes located in the mitochondrial membrane.

Therefore, with this data, we can see that  the Electron Transport Chain in oxidative phosphorylation and chemiosmosis are fundamental to generating ATP during cellular respiration.

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Answer:

go with what the other guy said

Explanation:

Answer:

below

Explanation:

Cell division allows organisms to grow and to repair damaged structures.

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Between the options the one that best describes the process of natural selection is: individuals that are well adapted to their environm

Answer:

Meningitis is an inflammation (swelling) of the protective membranes covering the brain and spinal cord

Based on the diagram, the left infraorbital foramen is inferior and medial relative to the nasal bone.

The nasal bone is one of the facial bones in humans, located in the middle of the face, between the maxilla (upper jaw) and the frontal bone (forehead). It forms the bridge of the nose and supports the cartilage that gives shape to the tip of the nose.

The nasal bone is one of the smallest bones in the skull and varies in size and shape among individuals. Thus the parts are  inferior and medial

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Answer:

inferior; lateral

Explanation:

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Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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Answer:

salty

Explanation:

Answer:

(I think you chose the wrong photo) but its Ocean covers most of the planet's surface and contain nearly all its water.

Explanation:

Answer:

lichens breaking down bare rock

&

existing soil​

Explanation:

Secondary succession can only occur with grass and this makes the difference between primary and secondary.

Lichen slowly break down rock to make soil.

Lymphatic system

The lymphatic system is made up of vessels and lymph nodes and its main function is the transport and circulation of fluids that are present in the body's tissues.

Thus, we can say that the lymphatic system resembles the cardiovascular system because the cardiovascular system is also composed of vessels and its main function is to circulate blood in the body.

So "cardiovascular system" is the answer.

Answer:

b

Explanation:

magnet pull toward each other they can't go far.

Answer:

Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

Answer:

ocean cores

Explanation:

The BEST explanation of why engineering crops to be more tolerant of weedkillers enables farmers to stop or reduce tillage is that weeds can be killed with herbicides instead of through tilling.

The correct option is A.

Tillage is the process of mechanically preparing the soil by turning it over, which can be time-consuming, labor-intensive, and can disturb the soil structure.

By relying on herbicides instead, farmers can save time, reduce labor costs, and minimize soil disruption. This practice is often referred to as chemical weed control or chemical tillage and is a common technique used in modern agricultural practices.

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The term "adolescence," which comes from the Latin "adolescent," or "to grow up," is used to describe a crucial developmental stage. Significant biological and psychological changes occur during adolescence.

Between puberty and adulthood, adolescence is a period of significant physical and psychological growth (from the Latin adolescent, "to mature") (typically corresponding to the age of majority).

Adolescence may begin or end earlier than the teenage years, despite the fact that it is often assumed to last during these years in terms of physical, psychological, or cultural aspects. Puberty now typically begins in preadolescence, especially in girls

. Particularly in men, cognitive and physical development can continue until adolescence. Only in general terms based on age can adolescence be described, and academics cannot agree on a single definition. Some definitions start and stop as early as 10 and 25 or 26 respectively

. Anybody between the ages of 10 and 19 is considered an adolescent by the World Health Organization.

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Answer:

The correct answers are:

protein serving is too large

grains are not represented

and the vegetable serving should be larger.

Explanation: