Chlorophyll in the chloroplast reflectswhich color on the spectrum of visiblelight?A. greenB. redC. blueD. violet

Answer:

A. That the organisms are now extinct

Most organisms in the fossil record no longer live on Earth. This implies that those organisms are now extinct.

Explanation:

Hope this helps!! Mark me brainliest!!

When you click on a term or expression in the Item Bank, an explanation of the term will appear.

Expression is the act of expressing or setting forth in words. It is the way an individual conveys their thoughts, emotions, and ideas to others. Expression is a form of communication that can be verbal, non-verbal, written, or through physical actions. Expression is a way of conveying meaning, allowing someone to share their innermost thoughts and feelings with others. Expression can be used to bring joy and happiness, offer comfort and support, create understanding, and build relationships. Expression is a powerful tool and can be used to make positive change in the world.

This explanation can provide additional information about the term, such as its definition, usage, and context. Additionally, it may include examples or visual aids to help you better understand the concept.

To learn more about expression

https://brainly.com/question/11231920

#SPJ1

The statement that describes the formation of horizon B is that it undergoes the most change (option C).

Soil profile is a vertical cross-section of the soil, made of layers running parallel to the surface. These layers are known as soil horizons.

These different layers of soil are as follows:

The subsoil or B horizon is the horizon present just below the topsoil (horizon A) and above the bedrock or parent material.

The horizon B layer is less organic (contains low humus) but is rich in minerals brought down from the topsoil. The subsoil undergoes significant changes.

Therefore, it can be said that the horizon B layer undergoes the most change.

Learn more about soil horizons at: https://brainly.com/question/2416348

#SPJ1

Answer: c. undergoes the most change

Explanation:

Answer:Humans can use nitrogen in the form of amino acids and ammonia.

Explanation:The bulk of nitrogen supplied to the human body is in the form of amino acids. These amino acids come from proteins in the diet.

A "molecular clock" is any technique that may be used to calibrate the age of a species / taxonomic group by using the mutation rate of one genomic sequence.

The mutation rate is the time required for one sequence to mutate (change) in its nucleotide bases.

The mutation rate is used to estimate the age of one species by molecular clocks that estimate nucleotide differences in a given period of time.

In conclusion, a "molecular clock" allows estimating the age of a species by using the mutation rate.

Learn more about molecular clocks here:

https://brainly.com/question/5172365

#SPJ1

In the given scenario, where the bark on most trees in a woodland was dark gray, and the population of moths that lived in the woodland gradually changed from light gray to dark gray over time, natural selection best explains how this change in the moth population was the result of natural selection.

Natural selection is the mechanism of evolution where the traits that help organisms survive and reproduce become more common in a population over time. The best explanation of how this change in the moth population was the result of natural selection is provided as follows: Initially, the moth population was light gray, and the tree bark was dark gray.

This meant that the light gray moths were easily seen by predators on the dark gray bark, whereas the dark gray moths could blend in with the dark bark, making them difficult to see by predators. As a result, the light gray moths were more vulnerable to predation, whereas the dark gray moths had better survival rates.

This difference in survival rates led to a higher proportion of dark gray moths in the population over time. This change in the moth population from light gray to dark gray was due to natural selection because it involved the differential survival and reproduction of individuals with certain traits.

The dark gray moths had a higher fitness (i.e., ability to survive and reproduce) than the light gray moths, and this led to the gradual increase in the frequency of the dark gray trait in the population. Therefore, this scenario is a classic example of how natural selection can lead to the evolution of populations over time.

In conclusion, the change in the moth population from light gray to dark gray in the woodland was the result of natural selection because it involved the differential survival and reproduction of individuals with certain traits. The dark gray moths had a higher fitness than the light gray moths, and this led to the gradual increase in the frequency of the dark gray trait in the population over time.

Know more about Natural selection here :

brainly.com/question/23929271

#SPJ8

Natural selection does not produce the mutations that are in option A, as natural selection is the process by which certain advantageous traits become more common in a population over time because individuals with those traits are more likely to survive and reproduce.

Natural selection does not produce the mutations themselves. Mutations are random changes that occur in an organism's DNA and can happen for various reasons, such as exposure to radiation or mistakes during DNA replication. Natural selection acts on the variation already present in a population, selecting for traits that confer advantages in a given environment and allowing those traits to become more prevalent over time.

Learn more about mutation and natural selection here.

https://brainly.com/question/31800539

#SPJ1

Answer:

1 organism

8 abiotic

this is the answers I know

The leaf acquires a blue-black coloration in the green part after the starch test.

The iodine-starch test is a chemical process used to detect the presence of iodine or starch.

Starch and iodine together produce a deep blue-black color.

To test a leaf for starch, a few drops of iodine solution are placed on a boiled leaf. If starch is present in the leaf, the iodine will react with the starch molecules and form a blue-black color complex. If starch is not present, the iodine will remain yellow or brown in color.

Learn more about the starch test at: https://brainly.com/question/30366250

#SPJ1

Answer:A

Explanation: High-calorie density per its physical size

Answer:

A is the answer because it is high in calories density

Answer:

Vitamins also help your body use energy from the food you eat. Minerals are chemical elements that help regulate your body's processes. Potassium, for example, helps your nerves and muscles function. Calcium helps your teeth and bones stay strong.

The example of the heterozygous allele is Yy

An allele is a variant, storing copies of genes that express the traits of an organism.

An allele can either be h0m0zygous or heterozygous in nature.

An h0m0zygous allele occurs when there exists an identical allele at a specific locus which can be h0m0zygous dominant (e.g YY) or h0m0zygous recessive(yy).

A heterozygous allele has two different alleles positioned at a specific locus. It is expressed as Yy.

Learn more about heterozygous allele here:

https://brainly.com/question/7602134?referrer=searchResults

Answer:the answer is b

Explanation:

Answer:

You prepare a slide with a thin slice of onion root tip. You see the following view in a light microscope. Identify the stage of mitosis for each of the outlined cell.

Explanation:

A: Metaphase

B: Anaphase

C: Telophase

D: Prophase

Answer:

D) Reducing Energy Use

Explanation:

Conserve means to avoid using something wastefully or destructively.

I hope this helps!!!

Please mark brainliest :)

Answer:

Advection by ocean currents modifies phytoplankton size structure at small scales (1–10 cm) by aggregating cells in different regions of the flow depending on their size. This effect is caused by the inertia of the cells relative to the displaced fluid

We have that the activities in a science lab would not be safe to do are

From the question we are told  

A) working in a science lab in the evening

B) tasting a solution you think is edible after creating it in a lab

C) creating a compound out of two identified chemicals

D) describe an odor by wafting the air above the container

Generally

Working in A science lab in the evening is not wrong so far the is good lighting

This is bad because you are not sure of what you are tasting

This Is Proper because these are know chemicals

This is dangerous cause a malicious gas could harm you because the air above the container will have high concentration

For more information on this visit

https://brainly.com/question/1689737  

Answer: global warming

Explanation:

A climate change scenario could involve a city experiencing an increase in extreme weather events, such as hurricanes, floods, and droughts.

The rising global temperatures caused by increased greenhouse gas emissions from human activities can contribute to these extreme weather patterns.

As a result, the city may need to invest in infrastructure to withstand the impacts of these events, such as building sea walls to protect against flooding and implementing water conservation measures during droughts.

In addition, the city may need to adapt its emergency response plans to address the increased frequency and severity of these extreme weather events. This is just one example of a potential climate change scenario that could impact a community.

Learn more about climate change, here:

https://brainly.com/question/28779953

#SPJ1

Answer:

Gravitational potential energy increases as weight and height increases.

Explanation:

This’s because the heavier the object and the higher it is above ground, the more gravitational potential energy it holds.

Due to the unbound electrons in conductors, electrical current can flow through them relatively quickly. Insulators don't conduct electricity well because they resist it.

What is insulator and conductor?

Insulators are substances that prevent electrons from freely moving from one elemental particle to another. The charge stays in the same spot and does not spread across the surface if we transfer any quantity of charge to such an element at any time. Rubbing is the most typical method of charging such materials.

Insulators- rubber band, toothpick,

Conductors- penny, nickel, key, paperclip

Materials that easily permit the flow of electricity are referred to be electrical conductors. Conductivity is the quality of conductors that enables them to conduct electricity.

To learn more about insulator and conductor from the given link

brainly.com/question/492289

#SPJ1

Answer:

insulator: rubber band & toothpick

conductor: key, penny, nickel and paperclip

for object 1 I used foil and foil is a conductor

for object 2 I used cloth and clothes is an insulator

hope this helped :)

Explanation:

Isovolumic relaxation period or early diastole - End of ventricular contraction to the beginning of the atrial contraction.

The relaxed portion of the cardiac cycle known as diastole is when the heart's chambers are refilled with blood. The relaxing of the atria occurs during atrial diastole, whereas the relaxing of the ventricles occurs during ventricular diastole.

Isovolumic relaxation time is the period of time between the aortic component of the second heart sound and the beginning of filling caused by the opening of the mitral valve in the cardiac cycle.

Learn more about diastole at: https://brainly.com/question/902007

#SPJ1

AIDS is the next human disease caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell.

Human Immunodeficiency Virus (HIV) uses reverse transcriptase to make a double-stranded RNA copy of its DNA genome. - Retroviruses like HIV have an RNA genome and can use reverse transcriptase to create a double-stranded DNA copy of the genome and integrate it into the genome of the host cell.

Cells in which the virus utilizes metabolism for growth and replication or cells into which plasmids are introduced in recombinant DNA experiments. In bioprocessing, cells engineered and cultured to express the protein of interest are the host cells of the expression system.

Learn more about human disease here

https://brainly.com/question/10801386

#SPJ4

The events described involve both mechanical and chemical weathering processes, highlighting the complex nature of how weathering affects geological structures.

The events can be identified as the result of mechanical weathering or chemical weathering as follows:

The minerals in a marble statue react with water to form acids and pores in the structure - This is an example of chemical weathering. The water reacts chemically with the minerals in the marble, causing them to dissolve and form acids. These acids further react with the marble, leading to the formation of pores and overall degradation of the statue's structure.

A piece of rock crumbles after being constantly thrashed by strong waves - This is an example of mechanical weathering. The constant thrashing of strong waves exerts physical force on the rock, causing it to break apart or crumble. This type of weathering occurs due to mechanical forces like abrasion, pressure, or impact that physically break down the rock into smaller pieces.

Industrial runoff forms cracks in a rocky structure in its path - This is a combination of chemical and mechanical weathering. The industrial runoff may contain acidic or corrosive substances that chemically react with the minerals in the rock, leading to their dissolution or weakening. The cracks in the rocky structure may also be a result of the mechanical force exerted by the flowing runoff, causing physical fractures in the rock.

The rocks in a region are streaked orange after being exposed to repeated rains - This is an example of chemical weathering. The repeated rains introduce water into the rocks, which may contain dissolved iron compounds. Over time, these iron compounds oxidize in the presence of water and oxygen, leading to the formation of orange-colored iron oxide minerals, such as rust. The streaking of rocks with orange indicates the chemical transformation of the minerals due to the weathering process.

In summary, the events described involve both mechanical and chemical weathering processes, highlighting the complex nature of how weathering affects geological structures. Mechanical weathering involves physical forces breaking down rocks, while chemical weathering involves chemical reactions leading to the alteration or dissolution of minerals.

Know more about  chemical transformation here:

https://brainly.com/question/31290752

#SPJ8

Energy flows in food webs according to the 10% rule, which states that only 10% of the energy stored as biomass in one level is transmitted to the following level.

Food webs are interactions between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.

Energy flow occurs according to the 10% rule, which refers to the energy flow along the trophic chains from autotrophs to heterotrophs and detritivorous organisms.

Only 1% of the solar energy that reaches the Earth's surface is absorbed by autotroph organisms. From there, each trophic level transmits 10% of its energy to the following trophic level. The remaining 90% is lost to the environment as heat.

The 10% rule states that only about 10% of the energy stored as biomass at one trophic level per unit of time ends up as biomass at the next trophic level, in the same unit of time.

You can learn more about the 10% rule at

https://brainly.com/question/1405960

#SPJ1

Archaea and eubacteria are primarily different in their genetic and biochemical characteristics.

While both archaea and eubacteria are single-celled microorganisms, they exhibit distinct differences in their genetic makeup, cell membrane structure, and metabolic processes. Here are some primary differences between the two:

1. Genetic Makeup: Archaea have unique genetic sequences that differ from both eubacteria and eukaryotes. They possess genes and genetic machinery that are distinct from other organisms, making them a separate domain of life.

2. Cell Membrane Composition: Archaea have cell membranes composed of unique lipids called isoprenoids, which are different from the fatty acid-based lipids found in eubacteria and eukaryotes. This structural difference allows archaea to thrive in extreme environments, such as hot springs and acidic environments.

3. Metabolic Processes: Archaea exhibit diverse metabolic pathways and can utilize a wide range of energy sources, including methane, sulfur, and even sunlight. Eubacteria, on the other hand, encompasses a broader range of metabolic diversity and can be found in various environments, including soil, water, and living organisms.

Regarding the second part of your statement, archaea and eubacteria are not considered ancestors of protists and first eukaryotes. The origin of eukaryotes is still an area of scientific inquiry and debate. However, current scientific understanding suggests that eukaryotes likely evolved from a symbiotic relationship between prokaryotic cells, including both archaea and eubacteria, giving rise to complex cellular structures and internal compartments. This process is known as endosymbiotic theory. Protists, which are a diverse group of eukaryotic microorganisms, likely evolved later in the course of evolution.

It should be noted that adverse childhood experiences aren't new to me.

Adverse childhood experiences are the emotional abuse faced by children.

It is vital that you are aware of ACEs in the field of child development on order to understand them better.

The information can help you in your work with children and families as it enhances a positive relationship with the children.

Neglect, physical and emotional abuse, and household dysfunction all fall under the category of adverse childhood experiences.

Adulthood substance abuse, mental illness, and chronic health issues are all associated with ACEs. ACEs can be avoided, though. Lower risk of developing diseases like depression, asthma, cancer, and diabetes as an adult is one benefit of preventing ACEs in addition to helping children and people thrive.

Learn more about childhood on:

https://brainly.com/question/18644919

#SPJ1

Answer:

B. the nuclear envelope

Explanation:

The nuclear envelope regulates what passes in and out of the nucleus. Thus, option B is correct.

Nucleus is the organelle that controls information in the cell. Nucleus is the most prominent membrane bound organelle that is situated within all eukaryotic cells. The nucleus controls all the activities of the cell and it contain most of the cell's genetic material (DNA).

The nucleus is surrounded by a double membrane (nuclear envelope) which maintains the shape of the nucleus, and keeps the nucleus contents from the cytoplasm. The nuclear envelope is a nuclear membrane composed of two lipid bilayers: inner and outer membrane and perinuclear space between them.

Its outer membrane is continuous with the endoplasmic reticulum. Nuclear pores that are part of this envelope allow the movement of molecules in and from the nucleus (e.g. mRNA formed during transcription should be transported into cytosol through the pores).

Therefore, The nuclear envelope regulates what passes in and out of the nucleus. Thus, option B is correct.

Learn more about DNA on:

https://brainly.com/question/264225

#SPJ2