In the 1990s, scientists showed that Archaea and Bacteria are very different groups of organisms. How did this impact the classification system of organisms?
The levels of classification decreased.
The levels of classification increased.
The trinomial nomenclature was introduced.
The binomial nomenclature was introduced.

Answers

Answer 1
The answer is B. The level of classification increases. In 1950 scientists grouped all living things into five kingdoms which include animals, plants, bacteria, fungi and protista. It was untill 1990 that the scientist realized that bacteria and archaea have different distinct characteristics.
Answer 2
Its B hope this helps =)

Related Questions

Each set of three nitrogen bases that codes for an amino acid is know as a

Answers

Each set of three nitrogen bases that codes for an amino acid is known as a codon.


Hope this helps!!


-Payshence xoxo


A salad including lettuce, tomatoes, and onions would be classified as a _________. A) compound B) element C) mixture D) solution

Answers

Answer: C) mixture

Explanation:

A mixture can be define as a combination of two or more substances in which the identity of each substances is retained. In a salad lettuce, tomatoes and onions are separate entities which are combined to form a mixture that is salad.

Answer: Mixture

Explanation:

A salad can be defined as plate full of different kinds of vegetables and fruits which are edible.

The plates contains tomatoes which are different in chemical composition, lettuce which is also different in chemical composition and onions which are all mixed together.

Elements having different chemical composition when combined together is known as a mixture.

virus life cycles help please! fill in the blank diagram.

Answers

im not quite sure but i think you should go on google and check it out you will definitely find the answer there

Answer:

The virus life cycle consists of 6 stages:

1. Attachment: The protein on the virus capsid attaches itself to the receptors on the ell surface of the host.

2. Penetration: The viruses capsid goes through a conformational change, fusing the virus to the host's cell surface.

3. Uncoating: The virus nucleic DNA is released when the enzymes of the virus or host degrade the capsid of the virus.

4. Replication: Once released the virus DNA undergoes transcription or translation. The replication will be different due to the type of virus invading the host, example DNA virus, RNA virus or viruses with opposite nucleic acid polarity.

5. Assembly: Maturation process occurs, where by the replicated DNA and the virus protein are packed into virions in order to be released from the host.

6. Virion release: The virions can be released either through lysis or budding.

Explanation:

If abo blood typing is not accepted in court why is it still a useful tool

Answers

In medical emergencies, having an ABO blood type is a necessity to give the patient the correct blood type. If they get the wrong type, their body will attack it, ultimately doing more harm than good. 

The Galápagos islands are considered to be “young” islands. Explain what this means.

Answers

They were recently formed.

Ribosomes are the site where are produced.
Amino acids are coded for by triplet bases in RNA called .

Answers

Amino acids are coded for by triplet bases in RNA called codons.

the answers you'll need are

proteins

codons


examine the diagram below, explain the path a newly formed polypeptide leaving a ribosome may take as it is modified or packaged before use within the cell or outside the cell: please help me.

Answers

After translation of the polypeptide in the ribosome, the polypeptide enters the cisternae of the rough endoplasmic reticulum. Here, the folding of the polypeptide begins with the aid of chaperons proteins. At the end of the RER, vesicles with the completely folded protein bud off and enters the Golgi apparatus where the proteins are transported to its destination.






How does DNA in offspring produced by asexual reproduction compare to DNA in offspring produced by sexual reproduction

Answers

Asexual reproduction produces offspring with identical DNA to the parent and sexual offspring has a combination of DNA from two parents.

Moles are rodents very similar to mice. They typically live underground, spending most of their lives below the earth's surface. Mice, on the other hand, may dig burrows to nest and sleep in, but they spend much of their time above ground. Their nests can be made of cloth, hair, and hay. Because moles live underground, they have developed differently than mice

Answers

Final answer:

Rats belong to the group known as rodents, distinguished by their distinctive pair of continuously growing incisors used for gnawing.

Explanation:

To what group do rats belong? Rats, along with mice, beavers, and squirrels, are part of a group known as rodents. Rodents are characterized by their gnawing behavior, which is facilitated by their unique dental structure. They have a single pair of continuously growing incisors in both the upper and lower jaws that must be kept short through gnawing. This differentiates them from other mammalian groups, such as lagomorphs (including rabbits and hares), carnivores (such as cats, dogs, and bears), and insectivores (such as moles and shrews).

The biological classification of rats is important as it helps in understanding their behavior, evolutionary history, and their role in ecosystems. Additionally, recognizing the differences between various animal groups, such as rodents and insectivores, is essential for scientific studies related to embryology, conservation, and pest control.

Give TWO advantages that cells gain by storing energy in the form of ATP.

Answers

1- it can be used when needed
2- it can be stored for a long time

Final answer:

Cells store energy in ATP to safely manage energy without increasing cell temperatures and to provide consistent amounts of energy for cellular processes, ensuring efficient cellular growth and function.

Explanation:

Cells gain two main advantages by storing energy in the form of adenosine triphosphate (ATP). First, ATP allows cells to store energy safely and efficiently, preventing the detrimental increase in temperatures that would occur if energy were stored as free energy. This is crucial because excess heat can denature enzymes and destroy the cell's structural integrity. Second, ATP serves as a uniform energy currency for the cell, releasing consistent amounts of energy upon hydrolysis of its high-energy phosphate bonds. This consistency is vital for the myriad of biochemical processes required for normal cellular growth and function, as it ensures that energy is distributed as needed without destabilizing the cell's environment.

Potential energy refers to:
the energy of motion
stored energy
energy lost
energy gained

Answers

A is ur answer m8 hope it helps 
I think it’s stored energy


Help will make brainiest!
Which layer of the sun seen above is visible during this solar eclipse?

Answers

In addition to the corona, the chromosphere is also visible. You can see little prominences in H-alpha (red) light peeping out from the edge of the moon, but this usually requires binoculars or a telescope to see and is dangerous to view without knowing what you're doing because it's so close to the bright part of the sun that when the rest of the sun peeks out you can blind yourself if you're looking through an unfiltered telescope.

The chromosphere is seen during a total solar eclipse

what is the substance albino plants lack

Answers

The substance albino plants lack is Chlorophyll

Compare and contrast inbreeding and hybridization

Answers

Final answer:

Inbreeding is the mating of closely related individuals within a population, while hybridization involves mating between different species. Inbreeding can lead to a decrease in fitness and reduced crop yield. Hybrids can be less fit or more fit than the parents, driving divergence or fusion between species.

Explanation:

Inbreeding is the mating of closely related individuals, such as siblings or cousins, within a population. It often leads to a decrease in fitness and can cause inbreeding depression, which is a decline in the overall health and vigor of the population. Inbreeding can be a problem in open breeding systems, like crop species, where it can result in reduced crop yield.

Hybridization, on the other hand, involves mating between individuals of different species to produce hybrid offspring. The fitness of hybrids can vary. In some cases, hybrids are less fit than the parents, and this can drive further divergence between the two species. However, hybrids can also be more fit, which can lead to fusion of the two species back into one.

At what level does the relationship between a blue whale and a ferret separate

Answers

The relationship between a blue whale and a ferret separate at the Order level of Taxonomy. Both are under the Kingdom Animalia, Phylum Chordata, and Class Mammalia. The blue whale belongs to the Order Cetacea while the ferret belongs to the Order Carnivora. 

what does sustainability mean? please give examples too

Answers

Hi there!

Sustainability means that something or someone has the ability to keep something going. 

For example, a plant could have good life sustainability because it has a special poison, keeping predators away from it.

You could be self sustainable by growing your own crops, collecting your own water, and making things you need.

Hope this helps!
Sustainability means the property of biological systems to remain diverse and productive indefinitely.
Examples include: long lived and healthy wetlands and forests.

Hope this helped :)
Have a great day

What substances must animal cells take in from the environment to maintain homeostasis?

Answers

They need to take in Oxygen

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. The data from his experiment are shown in the table below.


Amount of light
(hours)

Number of plants
Average volume of oxygen produced (mL)
1
4
0.50
6
4
2.0
10
4
5.0

What could he have done to increase the validity of his data?

Answers


Answer

To increase the validity of the data introduce a 0 hour control

Explanation

There are three ways that can be done to improve the validity of data in an experiment. They are; changing only one independent variable at a time, measuring dependent variable accurate and focusing on control. The control in this case will be the zero hour control which is a key for producing sound data.


Answer:

Add a 0 hours control

Explanation: This is correct on edgen

Briefly explain the steps in the process of removing the human gene and inserting it into plasmid DNA

Answers

)Insert gene of interest into plasmid
2)recombinant DNA is placed back into bacteria
3)bacteria divides
4)gene is now expressed in bacteria and product can be harvested

Answer:

Plasmids are extracted from the bacteria

The plasmids are spliced at specific regions using restriction enzymes.

The cut plasmids are incubated with the novel gene and DNA ligase

Plasmids that will have incorporated the new gene are transformed back into the bacteria

Explanation:

just took the exam and got 50/50

if a climate changed a ecosystem, there would be a change in the kinds of and. that could live in that ecosystem

Answers

plants and animals is the answer!

which best describes how temperature humidity and pressure vary within an air mass

Answers

The relative humidity drops to 25% only. If you heat air with water in it, the absolute humidity will stay thesame, but the (much more common) relative humiditywill go down: the same amount of humidity at highertemperature will be a smaller percentage of what the air could handle at the higher temperature.

Answer:

B

Explanation:

K12 test part 1 unit test

How do magma and lava contribute to the formation of igneous rock?

Answers

 Igneous rocks are formed through the cooling and solidification of magma or lava . Hot,molten rock rises to the surface, as it comes up to the surface it undergoes changes and pressure that cause it to cool, solidify, and crystallize
when lava or magma cools it condenses into a igneous rock 

where a river flows from an area of harder rock to an area of softer rock, the softer rock may weary away, forming a drop called a(n)

Answers

A river flowing across a wide flood plain begins to form loop like bends called. meanders.

The correct answer is:

b. meanders.

Explanation:

A meander, in overall, is a curve in a sinuous stream or river. Meander forms when leaving water in a stream disintegrates the outer banks and widens its valley and the central part of the river has less power and hastens silt. It is produced by a stream or river turning from side to side as it runs across its floodplain or changes its channel within a valley. A meander is created by a stream or river as it consumes the grounds comprising an outer, concave bank (cut bank) and deposits this and combined sediment downstream on an inner, convex bank which is typically a point bar.

describe the productions of protein through transcription and translation

Answers

Genes provide information for building proteins. They don’t however directly create proteins. The production of proteins is completed through two processes: transcription and translation. Transcription and translation take the information in DNA and use it to produce proteins. Transcription uses a strand of DNA as a template to build a molecule called RNA. The RNA molecule is the link between DNA and the production of proteins. During translation, the RNA molecule created in the transcription process delivers information from the DNA to the protein building machines. Through transcription the sequence of bases of the DNA are transcribed into the reciprocal sequence of bases in a strand of RNA. Through transcription the information of the DNA molecule is passed onto the new strand of RNA which can then carry the information to where proteins are produced. RNA molecules used for this purpose are known as messenger RNA (mRNA). A gene is a particular segment of DNA. The sequence of bases in for a gene determines the sequence of nucleotides along an RNA molecule. Only one strand of a DNA double helix is transcribed for each gene. This strand is known as the ‘template strand’. The same template strand of DNA is used every time that particular gene is transcribed. The opposite strand of the DNA double helix may be transcribed for other genes. During translation, the information of the strand of RNA is ‘translated’ from RNA language into polypeptide language i.e. the sequence of nucleotides is translated into a sequence of amino acids.

A lot of informations but I hope this helps ;)



learning through trial and error is often referred to as _____ learning.

Answers

The answer is "instrumental"
Hey there!

Instrumental learning Is your answer

Hopefully this helps

What is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?

Answers

The Central Nervous System (CNS) includes all of the nerves of the Brain and Spinal Cord.

The Peripheral Nervous System (PNS) includes all of the nerves both sensory and motor connecting the CNS to the muscles, organs, and sensory structures of the body.

Answer:

CNS includes the brain and spinal cord which analyze sensory inputs, whereas PNS consists of neurons and nervous tissues that carry the information.

Explanation:

The nervous system has two distinct main parts - the peripheral nervous system (PNS) and the central nervous system (CNS).

CNS contains the spinal cord and the brain serves the nervous system's command center. the spinal cord and the brain analyze sensory inputs what it exactly means and quickly orders the body parts that time to move faster.  

PNS consists of the nerves, which leave the brain and the spinal cord and travel to evident regions of the body. The main job of PNS is to send information collected by the sensory receptors to the CNS.

How does frequency affect the sounds we hear?

Answers

Hello,

Here is your answer:

The proper answer to this question is "frequency is the vibrations of the sound is traveling no matter the air, water or wall your listening through".

If you need anymore help feel free to ask me!

Hope this helps!

Which two animals are closely related the most? Blue whale, ferret, domestic cat or a bobcat? How ?

Answers

The domestic car and bobcat I believe , they are both in the cat family.

What is described in the following equation? 2H2(g) + O2(g) → 2H2O(l) A. helium gas combining with oxygen gas to form water B. hydrogen gas combining with oxygen gas to form water C. hydrogen gas combining with water gas to form hydroxide D. water decomposing to oxygen gas and hydrogen gas

Answers

B. Hydrogen gas combining with oxygen gas to form water.

Answer:

The answer is B!

Explanation:

Name at least two ways that fungi can be beneficial for us.

Answers

Hey Name's Jessy. I hope, I answer your question.

Mushrooms, Morels. There are two kinds of mushrooms, Portabella & Button cap. 
Fungi aids in decomposition of natural matter and some fungi are edible 
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