Which is NOT an example of Human Environment Interaction


building a dam to control river water


allowing a forest to grow wildly


building a house with a heater and air conditioning

Answer:

Explanation:

cell that contains two complete sets of chrom ... reproduction of diploid 0rg~~-ms normally results in new 0rga~-~~ms that ... what would most likely happen if miis was not accompanied by cytoplasmic division .

Answer:

the same number of chromosomes found in the cells of the parent

Explanation:

Yolk sac is a structure that has a short duration in intrauterine development and is an important site for early blood cell formation.

It is the bag that houses yolk inside and that allows the embryos of certain species to feed in the initial stages of development.

Due to this structure, the embryo receives oxygen and nutrients and can discard its waste, in the case of the human being, the yolk sac fulfills the functions of the circulatory system, until the internal circulation begins to develop.

Therefore, we can conclude that the yolk sac is a structure that has a short duration in intrauterine development and is an important site for early blood cell formation.

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The serosae of the peritoneal cavity (coelom) are derived from the mesoderm germ layer.

The mesoderm germ layer is one of the three germ layers that give rise to the various tissues and organs in the developing embryo. The mesoderm layer forms the middle layer, between the ectoderm (outer layer) and endoderm (inner layer).

It gives rise to a variety of structures, including muscles, bones, and many of the organs of the circulatory, respiratory, and urinary systems. In addition, the mesoderm gives rise to the serous membranes that line the body cavities, including the peritoneum, pleura, and pericardium.

The serosae of the peritoneal cavity (coelom) are formed from the mesodermal layer that lines the coelomic cavity in the developing embryo.

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Answer: B. Radiation emitted from the sun contains one type of electromagnetic wave .

From an evolutionary perspective, it would be most difficult to explain why some humans have a heightened sense of spirituality.

The term "evolution" refers to the process by which organisms change over time as a result of changes in their genetic or heritable traits. It is one of the fundamental processes in biology, and it has had a significant impact on the way scientists understand the natural world.

Evolutionary perspective is a theoretical framework that emphasizes the importance of biological processes and genetic inheritance in shaping human behavior and development. This perspective suggests that human behavior and characteristics can be better understood by examining them from an evolutionary perspective. This approach helps us understand why some traits have evolved while others have not.

From an evolutionary perspective, it would be most difficult to explain why some humans have a heightened sense of spirituality. There is no consensus on why spirituality evolved, or whether it has any adaptive value.

Some researchers have proposed that spirituality may be an adaptation that helps individuals cope with stress and uncertainty, while others have argued that it is a byproduct of other evolved traits, such as the ability to imagine future events.

Regardless, the difficulty in explaining spirituality from an evolutionary perspective lies in the fact that it is not a universally present trait, nor is it easily quantifiable or measurable in the same way that other traits are.

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Ind. variable: salt added/not added. Dep. variable: water boiling over. Controlled variables: pot size, number of water cups, high heat. Exp. group: Water to which salt was added. Control group: Water with no salt on it.

This is the variable changed on porpose by the researcher to study how these changes affect the dependent variable response, and hence, the experiment results.

This is the one directly affected by the changes provoked by the independent variable. It will change following the changes in the independent variable.

Since several variables might influence the results, the researcher must keep constant all the other variables that might influence the results. The reason is to make sure the only one affecting the dependent variable response is the independent one.

In the exposed example,

Goal: to test if salt keeps water from boiling over fast.

Independent variable: added salt

Dependent variable: water boiling over

Controlled variables: pot size, number of water cups, high heat.

Experimental group: Water to which salt was added

Control group: Water with no salt on it.

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Answer:

A= stabilising selection, B= directional selection

Explanation:

A:

stabilising selection is any type of force that pushes the population towards a mean trait .

B:

Directional selection, or positive selection is a mode of natural selection in which an extreme phenotype is favoured over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype. So imagine in your graph for be there are two different phenotypes, this type of selections drives the preference of phenotype in one direction so you end up with more individuals with that specific phenotype.

The daily smoking of one marijuana joint is equivalent to the amount of damage to cells lining the airways as around five cigarettes.

This is due to the fact that the active compounds in marijuana smoke and cigarette smoke have similar effects on the cells that line the airways. When these cells are damaged, it can lead to inflammation, coughing, and other respiratory issues.

The main chemical compound in marijuana that has a harmful effect on cells lining the airways is tetrahydrocannabinol, or THC. This compound is similar to nicotine, which is the primary harmful chemical compound in cigarette smoke. Both of these compounds act on the cells in the airways to cause inflammation and damage.

In addition to THC, marijuana smoke also contains more tar than cigarette smoke. Tar is made up of small particles that are easily inhaled and are known to be carcinogenic. The tar found in marijuana smoke is around 50-70% higher than the tar found in cigarette smoke.

The combination of the THC, nicotine, and tar in marijuana smoke is what makes it so damaging to cells lining the airways. The amount of damage from one marijuana joint is equivalent to the amount of damage from five cigarettes, making it very important for people to consider the long-term effects of their smoking habits.

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Hibiscus Flower is mostly referred commonly as roselle. It is found in warm and tropical region of all over the world. Hibiscus grows on well-drained soils in the sunny areas. This plant is best known by its beautiful and showy flowers thus it is mostly used as ornamental plant but it is also used as human diet, natural dyes and also for various diseases in eastern regions. There are over 200 species of hibiscus flower, cultivated varieties have red, white, yellow, or orange flowers. The leaves are often lobed and may be smooth or covered in trichomes (plant hairs). It belongs to the FAMILY - MALVACEAE(MALLOW or COTTON FAMILY). Hibiscus Flowers also has fibers in their stem thus they are used Robes, Substitute for Jute, Canvas etc.

The arrangement of placenta within the ovary is known as placentation. Ovules are attached to the inner wall of special tissues which are called placenta, the ovules are attached by the small stalk called funicules. There are several type of Placentations i.e. Basal, Marginal, central, axile, parietal.

Placentation in Hibiscus is Axil. In Axil placentation the placentae are located on a central column. Partitions from the central column to the ovary wall create chambers (locules) that separate the placentae and attached ovaries from each other.

Gynoecium is a female whorl of the flower. It is composed of Carpels. Carpel is composed of Sigma, Style and Ovary.

Gynoecium in Hibiscus is Multicarpellary(Five Carpels), Syncarpous(Carpel United), Ovary Superior(Ovary attached above other floral parts) , Multilocular(Cavity of ovary divided into small compartments), One to many ovules in each locules, Style is one and long, Stigma depends on number of carpels. Seed is Non-Endospermic, Fruit is Capsule.

Flower is the reproductive organ of a plant. Morphologically it is very modified shoot. It is developed in the axil of leaf or at a.p.e.x of stem & branch. Flower is also produced in group which is called the inflorescence. If stalk called pedicel is present then flower is called pedicellate, If pedicel is absent Flower is called sessile. If small leaf or scale called bract is present then flower is called bracteate, if absent then called ebracteate.

Flower in Hibiscus is Pedicellate, bracteate, hermaphrodite, complete, actinomorphic(Radially Symmetrical), pentamerous, hypogynous.

\(\huge\textbf{Habitat}\)

They are widely distributed in tropical, sub-tropical, and temperate regions of the world.  The plants are less common in colder regions.

Pollination is the transfer of pollen grains from the male anther of a flower to the female stigma. Pollen grain are male micro-gametophytes of seed plants, and they produce male gametes (sperm cells).

Pollination in hibiscus is by Entomophilous. Entomophilous is the type of pollination by insects. Insects are attracted because of the showy and scented flower and nectar. Nectar is a sugar-rich liquid produced by plants in glands called nectaries. Both Cross-Pollination and Self-Pollination found.

All the options are correct:  The advantages of self - pollination include;

Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilization and the production of seeds, most often by an animal or by wind.

There are two main types of pollination:

Self-pollination is a form of pollination in which pollen from the same plant arrives at the stigma of a flower or at the ovule.

Thus, the possible advantages for self-pollination to have evolved in a flowering plant species are; the plant species can survive in areas where animal pollinators are absent and less energy can be spent on attracting pollinator.

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The complete question is below:

What are possible advantages for self-pollination to have evolved in a flowering plant species? select all that apply.

-The plant species can survive in areas where animal pollinators are absent.

-The plant species tends to produce offspring that are more uniform compared to offspring resulting from outcrossing.

-Less energy can be spent on attracting pollinator.

its a feedback systame

Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.

The explanation of how these organelles ensure that a cell has the proteins it needs below

The nucleus contains the genetic material of the cell: made up of one or more DNA molecules.

It governs all cellular functions and is also the place where ribosomes are produced, which have the important function of synthesizing or translating information for the production of proteins.

The rough endoplasmic reticulum is characterized by being formed by a series of channels, flattened sacs and cisterns, in these flattened sacs chains made of various peptides are introduced, with which complex proteins will be formed.

This structure's main function is to synthesize proteins, which are destined to different parts of the cell to develop multiple functions, in addition to controlling their structural and functional quality.

These same proteins travel to other parts of the cell, such as the Golgi apparatus.

Golgi apparatus is known as a cellular organelle whose function is to handle synthesized proteins.

The multitude of small vesicles are associated with the Golgi dictyosomes, grouped on the side adjacent to the ER and along the dilated rings of each cistern.

These Golgi vesicles are protein and lipid transport vesicles to and from the Golgi and between the Golgi cisterns.

Proteins, as they pass through the Golgi apparatus, undergo a modification process before being released.

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Answer:

Members of the swine species always have the same number and kinds of chromosomes

Explanation:

The swine species always have their food habits in common. They are omnivorous and they also due to ancestry have the typical type of genes and chromosomes inscribed in it. Hence swine are used in research industry nowadays like dogs and monkeys.

Wild boars, hogs and pigs all have just small differences externally. Their anatomy and physiology are identical. They are all mammals. They are highly intelligent and talented ones. They have their physiology identical to ours which helps in research scientist to experiment and finds cure for human.

Answer:

biological definition of species, which works for sexually reproducing organisms, is a group of actual or potential interbreeding individuals. There are exceptions to this rule. Many species are similar enough that hybrid offspring are possible and may often occur in nature, but for the majority of species this rule generally holds. The presence in nature of hybrids between similar species suggests that they may have descended from a single interbreeding species, and the speciation process may not yet be completed.

Given the extraordinary diversity of life on the planet there must be mechanisms for speciation: the formation of two species from one original species. Darwin envisioned this process as a branching event and diagrammed the process in the only illustration found in On the Origin of Species (Figure 1a). Compare this illustration to the diagram of elephant evolution (Figure 1b), which shows that as one species changes over time, it branches to form more than one new species, repeatedly, as long as the population survives or until the organism becomes extinct.

Explanation:

For speciation to occur, two new populations must be formed from one original population and they must evolve in such a way that it becomes impossible for individuals from the two new populations to interbreed. Biologists have proposed mechanisms by which this could occur that fall into two broad categories. Allopatric speciation (allo– = “other”; –patric = “homeland”) involves geographic separation of populations from a parent species and subsequent evolution. Sympatric speciation (sym– = “same”; –patric = “homeland”) involves speciation occurring within a parent species remaining in one location.

Biologists think of speciation events as the splitting of one ancestral species into two descendant species. There is no reason why more than two species might not form at one time except that it is less likely and we can conceptualize multiple events as single splits occurring close in time.

Allopatric Speciation

A geographically continuous population has a gene pool that is relatively homogeneous. Gene flow, the movement of alleles across a species’ range, is relatively free because individuals can move and then mate with individuals in their new location. Thus, an allele’s frequency at one end of a distribution will be similar to the allele’s frequency at the other end. When populations become geographically discontinuous, it prevents alleles’ free-flow. When that separation lasts for a period of time, the two populations are able to evolve along different trajectories. Thus, their allele frequencies at numerous genetic loci gradually become increasingly different as new alleles independently arise by mutation in each population. Typically, environmental conditions, such as climate, resources, predators, and competitors for the two populations will differ causing natural selection to favor divergent adaptations in each group.

Explanation:

A biological sequence may be defined as a single but a continuous molecule of a protein or a nucleic acid.  It can be a genetic map or an actual sequence of the amino acids or the nucleic acids. It can also be some more complicated data structure building of a composite view from other entries.

Sequencing is mostly used in molecular biology for studying the  genomes and proteins that they  encode.

The reason rule is the law of antitrust that says that a trade practice which violates the Act of Sherman only if that practice is the unreasonable restraint of some trade which is based on some factors.

If the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.

what is photosynthesis?

Photosynthesis is the process by which green plants use the energy from sunshine to transform carbon dioxide and water into food.

Since oxygen is the gas that plants release during photosynthesis, we can infer that the bubbles are oxygen.

In this instance, we can also affirm that the fluorescent light-exposed ant displayed more bubbles than the other plant.

Since the light made it possible for this plant's photosynthetic rate to increase, more oxygen was released into the environment.

Therefore, if the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.

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Answer:

Is one half the original DNA and one half new DNA with the same code as the original strand preserved

Explanation:

I am assuming the process is DNA replication.

The process of DNA replication:

step 1- the DNA double helix unwinds using an enzyme called dna helicase. Proteins hold the strands apart from each other forming a Y shape called the replication fork.

step 2- At the replication fork, enzymes called DNA polymerase move along each of the DNA strands adding complementary bases to the nitrogen bases using base pairing rules.

step 3- DNA polymerases add nucleotides to a growing double helix until all the DNA is copied

result- 2 new DNA molecules, each made of one original strand and one copied strand

Answer:

Explanation:

Please provide the population to enable me do the calculation

Answer:

Percent increase between years 1 and 2:

(5,780 – 3,845) ÷ 3,845 = 0.50 = 50% increase

Percent increase between years 2 and 3:

(15,804 – 5,780) ÷ 5,780 = 1.73 = 173% increase

Percent increase between years 3 and 4:

(52,350 – 15,804) ÷ 15,804 = 2.31 = 231% increase

Explanation:

Answer:

2nd one is correct

Explanation:

Answer: B

Explanation:

Answer: The Sun

3.1 The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

Answer:

The main energy source for life is the Sun

Explanation:

Answer:

the us has 63 national parks, which are congressionally-designated protected areas operated by National Park service, an agency of the department of the interior.

Answer:

The properties of this connective tissue are mutable for a short period of time, under neural control, which provides certain mechanical advantages, which include the ability to maintain various postures without muscular effort; that is, it allows Echinoderms to change the consistency of the body, this is useful to escape predators or crawl along the seabed.

Explanation:

Echinoderms comprise the marine organisms known as starfish, sea urchins, sea cucumbers and sea lilies. These present, for the most part, benthic habits and are distributed from intertidal environments to deep bottoms and at different latitudes. They have a mutable collagenous tissue that allows them to change the consistency of the body, that is, they can rapidly change their stiffness and is involved in processes such as fission and autotomy. Some echinoderms quickly switch back and forth between being soft and stiff, which helps crawl along the seabed. Others twist only once from stiff to soft, letting a starfish cut off one of their arms to escape a predator, that is, they can drop an arm when attacked by a predator. When this happens it is called autotomy or autoamputation and the nervous system tells the mutable collagen tissue near the base of the arm to disintegrate. The wound heals and then the arm grows back, a process that can take weeks to months, depending on the species.

Answer:

saves energy

Explanation:

Mutable collagenous tissue is used to lock an Echinoderm into position.

Explanation:

walker 53117 hop it helps you

Answer:

Which organisms sexually reproduce

One group of seedless nonvascular plants that often plays a crucial role in the earliest stages of primary succession is the "bryophytes." Bryophytes include mosses, liverworts, and hornworts.

These plants are pioneers in ecological succession, particularly in harsh and barren environments such as rocky landscapes, disturbed areas and regions with poor soil development.

Bryophytes have unique adaptations that enable them to colonize and thrive in these challenging habitats.

They are nonvascular, meaning they lack specialized tissues for water and nutrient transport.

They possess structures like rhizoids, which anchor them to the substrate and absorb water and nutrients from their surroundings.

During primary succession, bryophytes are among the first organisms to establish themselves.

They can grow on bare rocks or soil with minimal organic matter.

By trapping and retaining moisture, bryophytes contribute to the formation of soil through the accumulation of organic debris, gradually improving soil fertility.

Bryophytes help in stabilizing the soil and preventing erosion.

Their dense mats of tangled stems and leaves bind the soil particles together, reducing the impact of wind and water erosion.

This stabilization facilitates the establishment of other plant species by providing a more suitable substrate for their growth.

Bryophytes play a role in nutrient cycling and ecosystem development.

They contribute to the breakdown of rocks through physical and chemical weathering processes, aiding in the release of essential minerals into the soil.

This nutrient enrichment supports the growth of subsequent plant communities, further advancing the process of primary succession.

Bryophytes, with their resilience and adaptive features, serve as ecological pioneers in primary succession.

They initiate the colonization of barren environments, stabilize the soil, enhance nutrient availability and pave the way for the establishment of more complex plant communities over time.

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Answer:

Answer 1:

Narrowus Portus

Answer 2:

Broadus archus

Answer 3:

Narrowus plainus

Answer 4:

Broadus hairyemmus

Answer 5:

Broadus hairus

Answer 6:

Broadus anderson

Answer 7:

Narrowus montainian

Answer 8:

Narrowus georginia

Answer 9:

Narrowus blankus

Answer 10:

Broadus emmus

Answer 11:

Narrowus cyclops

Answer 12:

Broadus hairystarus

Answer 13:

Narrowus beardus

Answer 14:

Broadus walter

Answer 15:

Broadus plainus

Answer 16:

Broadus kifenus

Answer 17:

Narrowus starboardus

Answer 18:

Broadus tritops

Answer 19:

Narrowus wolfus

Answer 20:

Narrowus fuzzus

Explanation:

Planet Pamishan has new creatures, which can be classified as Narrowus Portus, Broadus archus, Narrowus plainus, Broadus hairyemmus, etc.

Organisms are classified on the basis of their similarities and differences.

In this planet, creatures are identify on the basis of their features, i.e., having broad head, narrow head, number of eyes, hair spikes, etc.

Here it can be:

Thus, above given is the few new creatures on planet Pamishan.

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it is A

The green power supported the resources

Answer:

Transporter..it transports substances in plants and animal cells

Explanation:

The best explanation for why cells are so small in all organisms regardless of the taxonomic group is that this size optimizes homeostasis by the exchange of nutrients and waste products with the media.

The cells are so small in all organisms regardless of the species because they need to optimize the exchange of material with the surrounding environment, which allot to maintain the state of internal equilibrium.

In conclusion, the best explanation for why cells are so small in all organisms regardless of the taxonomic group is that this size optimizes homeostasis by the exchange of nutrients and waste products with the media.

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