how would scientists know if populations are increasing or decreasing over

Computational phylogenetics comparing eukaryotes revealed that fungi are more closely related to us than to plants. Fungi and animals form a clade called opisthokonta, which is named after a single, posterior flagellum present in their last common ancestor.

Answer: Eliminate choices A, B, and D.

Answer:

The Angiosperm Phylogeny Group (APG) (2009) classifies flowering plants into Magnolids (four orders), Monocots (seven orders), Commelinids (five orders), and Eudicots (36 orders), plus a few taxa of uncertain affinity.

Explanation:

You didn't ask a question so I did my best to answer.

Hope it helped:)

The organization of a flower typically includes several distinct parts: the sepals, petals, stamen, and pistil.

The sepals are the outermost layer of a flower and are typically green. They are usually fused together and form a protective cover around the developing flower bud.

The petals are the next layer, and they are typically brightly colored. They are usually arranged in a ring around the reproductive parts of the flower and are responsible for attracting pollinators.

The stamen is the male reproductive part of the flower, and it is composed of a filament and an anther. The anther produces pollen, which is the reproductive cell for the plant.

The pistil is the female reproductive part of the flower, and it is composed of an ovary, a style, and a stigma. The ovary contains the ovules, which are the reproductive cells of the plant. The style is a stalk-like structure that connects the ovary to the stigma, which is the receptive part of the pistil that receives the pollen.

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The complete question is- What is the organization of a flower?

The statement that correctly compares the reactants and products of the two

processes is: the reactants of photosynthesis are the products of cellular respiration and vice versa.

PHOTOSYNTHESIS:

6CO2 + 6H2O → C6H12O6 + 6O2

CELLULAR RESPIRATION:

C6H12O6 + 6O2 → 6CO2 + 6H2O

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The seasons shown in model B for the Northern and Southern Hemispheres are Equator and Tropic of Capricorn respectively.

The seasons and biodiversity are determined by the earth's relationship to the sun and the amount of light it receives. The amount of sunlight received by a region is determined by the tilt of the earth's axis rather than its distance from the sun.

Because it is tilted toward the sun and receives the most direct sunlight, the northern hemisphere experiences summer during the months of June, July, and August. Summer in the southern hemisphere, on the other hand, occurs during the months of December, January, and February because that is when it receives the most direct sunlight.

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Answer:protection from other predators.

Explanation: the quills will stick into a predator that attack the porcupine Note: it does NOT shoot its quills

Answer: protection from other predators.

The cell has a larger water potential than the environment, making it resonance frequency in comparison. Over time, the cell loses water through into environment and contracts.

The family is the basic unit that can sustain life itself and consists all living things, including the body's tissues. The membrane protein, the genome, and the cytoplasm are the three primary components of a cell. The cell membrane encloses it and regulates the substances.

The fundamental units of all sentient creatures are cells. The nucleus keeps track of all of the cell's operations. It acts as the cell's DNA storage facility and command center for operations. It controls a cell's development and proliferating and stores the genetic material of the cell. They give the body structure, absorb nutrients from meals, turn those resources into energy, and perform certain tasks.

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They typically hold data in the range of 1 GB and 64 GB. Another option for transporting data is a CD/DVD, however it has a limited capacity compared to a pen drive. Compact Discs (CDs) are a type of storage medium with a 650 MB or 700 MB storage capacity.

From the beginning of the computer industry inside the 1950s through the 1980s, magnetic tape drives were included with the mainframes or minicomputers used by businesses.

RAM (computer memory) can be introduced into a computer through a memory slot, dram socket, and RAM slot. The type if RAM used with computers is determined by the motherboard's up to four memory slots.

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The correct question is

Arrange the following devices: compact disc, hard disk , digital versatile disc, pen drive, floppy disk in descending order of storage capacity.

Pls answer correctly

Option d) The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the DNA molecule results in an incorrect amino acid in the brown pigment-protein which makes it non-functional. The resulting trait is blue eyes.

Central doctrine The fundamental tenet of molecular biology is the idea that genetic information can only go from DNA to RNA to protein or from RNA to protein directly.

A Francis Crick invention. And in his own words, "I dubbed this thought the core dogma, I suppose for two reasons. With the sequence hypothesis, I had previously used the obvious term hypothesis, but I also intended to make the case that this new assumption was more important and potent.

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Full Question: An individual has a mutation in the gene that codes for brown eye color. This results in blue eyes. Choose the correct explanation for how this mutation affects the individual's traits.

a. The error in the mRNA sequence results in an error in the DNA molecule during transcription, the error in the DNA molecule results in an incorrect amino acid in the brown pigment-protein which makes it non-functional. The resulting trait is blue eyes.

b. The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the DNA molecule results in an incorrect nucleic acid in the brown pigment-protein which makes it non-functional. The resulting trait is blue eyes.

c. The error in the mRNA sequence results in an error in the DNA molecule during transcription, the error in the DNA molecule results in an incorrect nucleic acid in the brown pigment-protein which makes it non-functional. The resulting trait is blue eyes.

d. The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the DNA molecule results in an incorrect amino acid in the brown pigment-protein which makes it non-functional. The resulting trait is blue eyes.

Answer:

D

Explanation:

Because if you look at the pattern and location of each shading you cant tell that they are the exact same. No 2 people have the same fingerprint hence that has to be from the same person.

Hope it helps

Answer:

D

Explanation:

Answer:

The correct answer would be - 1925, phospholipid bilayer.

Explanation:

Gorter and Grendel performed an experiment in 1925 to extract lipids from blood cell and after extracting the protein they evaluated red blood cell membrane.

They found out that plasma membrane have two lipid layer and these lipids are made of phospholipids. Phospholipids are phosphate group that are attached with the lipid molecule.

Thus, the correct answer would be - 1925, phospholipid bilayer.

Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A

Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.

One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.

EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.

Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.

While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.

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Balance larger molecules before smaller ones, is correct answer.

What is Chemical Equation?

A chemical equation is a symbol- and formula-based symbolic representation of a chemical reaction, with the reactant entities supplied on the left side and the product entities given on the right side.

Symbols are used in chemical equations to denote things like the direction of a reaction and the physical states of the reacting parties. In the year 1615, the French chemist Jean Beguin created the first chemical equation.

Chemical equations can be used to illustrate chemical reactions on paper; one such example is shown below (for the reaction between hydrogen gas and oxygen gas to form water).

2H2 + O2 → 2H2O

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Seagrasses and mangroves improve water quality for corals and fish communities by slowing water movements and trapping nutrients and heavy metals.

Wildlife sanctuaries are secluded areas designed to protect animals who are endangered by human or envrionmental activities from being harmed.

Wildlife sanctuaries may be for terrestrial organisms or aquatic organisms.

Marine wildlife sanctuaries are designed to protect marine organisms as well as their from destructive forces of man and nature.

Coral reefs are endangered by acidification and increasing ocean temperatures as they hinder the growth of marine algae in coral reefs.

Seagrasses and mangroves increase the health of coral reefs by slowing down water movements and trapping heavy metals and nutrient rich runoff.

Therefore, Seagrasses and mangroves improve the water quality for corals and fish communities.

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Answer:

yes

Explanation:

they are :

Answer:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Explanation:

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The population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.

The population density of 900 sheep in a plot of land that is 3.00 km by 2.00 km can be calculated by dividing the total number of sheep by the area of the land.

First, we need to calculate the area of the land. The area can be found by multiplying the length and width of the plot of land:

Area = length × width = 3.00 km × 2.00 km = 6.00 km²

Next, we divide the total number of sheep by the area to calculate the population density:

Population Density = Total number of sheep / Area = 900 sheep / 6.00 km²

Performing the calculation, we find:

Population Density = 150 sheep/km²

Therefore, the population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.

Population density is a measure of the number of individuals (in this case, sheep) per unit area. By dividing the total number of sheep by the area of the land, we obtain the population density in terms of sheep per square kilometer. In this case, the population density is 150 sheep/km², indicating that there are, on average, 150 sheep within each square kilometer of the land.

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Answer:

cells

Explanation:

all living things would have cells, while something to be considered a living thing has to eat, breathe and reproduce, all of them need cells to live, i hope this helps

The most basic way to stabilize mRNA is when is mature, during the splicing process, eliminate introns, and unites exons, however, the part that allows this mRNA to be stable and no be degraded, is the poly AAA tail and the CAP at the 5' end, without these elements mRNA would not be able to leave the nucleus and arrive the ribosomes.

Answer:

the greater amounts of has more gravitational force than any of the around of sun toward one another force in the solar

Identification keys used to identify unknown organisms and based on successive choices between couplet alternatives are known as dichotomous keys.

An instrument known as a dichotomous key is used to recognize living things or inanimate objects found in the natural world, such as plants, animals, or rocks.

A key is another type of taxonomic aid that is utilized in the process of identifying organisms like plants and animals on the basis of their similarities and differences. The dichotomous keys are determined by the contrasting characters that are often arranged in a pair known as a couplet. This type of key also goes by the name couplet.

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Answer:

It is actually the cycling of molecules between chloroplasts and mitochondria that allows a flow of energy from the sun through all living things.

Hope it helps.

Please mark it as Brainliest.

It is actually the transfer of molecules between chloroplasts and mitochondria that allows a flow of energy from the sun through all living things.

Chloroplasts and mitochondria are two organelles found in cells. Chloroplasts are found in plant cells, while mitochondria are found in all eukaryotic cells. Chloroplasts are responsible for photosynthesis, the process by which plants convert light energy into chemical energy. Mitochondria are responsible for cellular respiration, the process by which cells use chemical energy to produce ATP, the cell's energy currency.

The transfer of molecules between chloroplasts and mitochondria allows a flow of energy from the sun through all living things. In photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into glucose and oxygen. Glucose is then used by cells as a source of energy, and the oxygen is released into the atmosphere. In cellular respiration, mitochondria use glucose and oxygen to produce ATP. ATP is then used by cells to power their activities.

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Answer:

Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.

Explanation:

Answer:

The last one. A single strand of DNA is used to produce mRNA through transcription, then translation provides the code for bonding amino acids to make a protein.

Explanation:

Educated guess, but also. Translation is the process by which mRNA is decoded and translated to produce a polypeptide sequence, otherwise known as a protein. This method of synthesizing proteins is directed by the mRNA and accomplished with the help of a ribosome, a large complex of ribosomal RNAs (rRNAs) and proteins.

A biophilia ecosystem service is the sensation of being among a forest of trees, some of the largest and oldest organisms to have ever existed on Earth. Edward O. Wilson, a biologist and naturalist, invented the word "biophilia" to explain how people are inherently drawn to the natural world.

The advantages individuals experience from being in a natural setting include bettering their physical and mental health, increasing their creativity and productivity, and feeling more content.

These advantages are referred to as "biophilia ecosystem services." In this aspect, trees are especially crucial since they offer a range of ecosystem services including clean air, water filtration, and wildlife habitat.

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Answer: Sister chromatids are exact copies of each other and are formed just prior to cell division

Explanation:

I took the quiz, I hope this helped!

The true statement about sister chromatids is: "Sister chromatids are exact copies of each other and are formed just prior to cell division". The correct option is 3.

During the S phase of the cell cycle, the DNA within a cell is replicated, creating identical copies of each chromosome called sister chromatids.

These chromatids are held together at the centromere and are separated during cell division (mitosis or meiosis) to ensure that each daughter cell receives an equal amount of genetic material.

The correct statement about sister chromatids is: Sister chromatids are exact copies of each other and are formed just prior to cell division.

Therefore, the correct option is 3.

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Explanation:

Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.

Answer:

A. parents: Hh and Hh

B. chances of being a carrier: 50%

C. 50%

Explanation:

A. Since hemophilia is a recessive trait, both parents must carry the recessive alelle for it to show through in the child. However, we know both of them are phenotypically normal, meaning a dominant trait (not hemophiliac, H) is masking the recessive trait (hemophiliac, h)

B. The options the woman has when you create a punnet square with her parents genotypes are HH (doesn't have any hemophilia, because hemophilia is recessive, so represented with a lower case h) Hh (there is twice the likeliness she is an Hh since it occurs two times when you combine her parents genotypes. Hh means she is a carrier, but does not have the trait) and hh (meaning she definitely has it). So there is four options, two of which mean carrier, meaning she has a 50% chance of being a carrier.

C. genotypes of the parents:

mom: Hh

dad: hh

when you create their punnet square, you will get two occurrences of Hh and two occurrences of hh. Remember that hh means hemophilia. This means the child has a 50% chance of having hemophilia.

The flexibility of spider silk determined by the structure of its molecules is quite strong.

The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.

The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.

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