About what percentage of the entire existence of Earth have bacteria been alive?

Answers

Answer 1
At least 75% of the history of the earth

Related Questions

What percent of the females will have red eyes

Answers

Answer:

I think the answer is less than 1% of the human population has red/violet eyes.

Explanation:

This occurs in extreme cases of albinism where melanin content is very low in a person's eyes.

Please help! I need an answer quickly, I'm confused. Plants need to perform the processes of photosynthesis and cellular respiration. Label the model to show these processes.

Answers

Pants perform Phototheisis for food and energy

Answer:

look it up on google if you want to know that fast

Explanation:

thats the smrt thing to do

The green color of the caterpillar is an example of a
itself from the insect's attack is a
adaptation
adaptation to avoid predators, while the release of bioactive chemicals by the plant to protect

Answers

The green color of a caterpillar often functions as a part of aposematic coloration— a biological adaptation warning predators of toxicity or distastefulness. Examples include the monarch butterfly caterpillar's bright colors and fire-bellied toads' red or orange bellies, both of which serve to deter predators using visual cues.

The green color of the caterpillar is an example of aposematic coloration, which is a type of adaptation used by some species to warn predators of their distastefulness or poisonous nature. This warning coloration involves bright and conspicuous colors that advertise to potential predators the unsuitability of the organism as prey. For instance, the monarch butterfly caterpillar sequesters poisons from its diet of plants and milkweeds, making it poisonous or distasteful. This is visually communicated through its bright yellow and black coloration, which serves as a deterrent to predators.

Similarly, fire-bellied toads have toxins that make them distasteful, and they display bright red or orange colors on their bellies to discourage predators from attacking. This strategy is effective only if the predator uses vision to locate prey and can learn from the negative experience of eating the poisonous or distasteful organism.

Suppose two people experience the same painful stimulation (e.g., putting their hand in a bucket of ice water for one minute), but one feels less emotional unpleasantness than the other. Activation of which brain area probably differs between the two people?


A. Extrastriate body area (EBA)

B. Anterior cingulate cortex (ACC)

C. Prefrontal cortex

D. Primary somatosensory cortex (S1)

E. Secondary somatosensory cortex (S2)

Answers

Answer:

E

Explanation:

D. Primary somatosensory cortex

CONCLUSION why is baseball called “the national pastime”?

Need help

Answers

Answer: The baseball is a sport played in the eastern United States.

Explanation:

This game is called as the national pass time because this game is played and enjoyed by millions of people to pass their time in leisure activity and enjoy with the team mates and friends.

This sport is continued to be enjoyed in summer and spring. It was named so more than 150 years ago.

Which describes the notation Tt for the trait of being tall?
homozygous genotype
heterozygous genotype
homozygous phenotype
heterozygous phenotype

Answers

Answer:second one

Explanation:sorry if this wrong don’t trust me!

True of False: Salmon and Goldfish are the same species.

Answers

Answer:

False.

Explanation:

Salmon is one of several species of fish, typically of the salmoninae subfamily while goldfish is a type of small fish, carassius auratus , typically orange-colored.

The answer is the opposite of true :)

Explain why you think the percentage of vegetarians in the United
States is lower than the percentage of vegetarians in India.

Answers

Answer:

India's beliefs.

Explanation:

People in India often wont eat meat because it could be a life of one of their ancestors reincarnated. For further examples look up Jainism. This is an extreme but good example. Also, people in the USA tend to be overindulgent in food if i do say so myself hahahhah!

Religion and traditions


Lots of animals are worshipped and are seen as sacred beings. Ie. The elephant God.
So, it obviously would be really bad to eat something that is divine and sacred

Biotechnology uses a procedure called genetic engineering. Which best describes genetic engineering.

a--making artificial DNA in the laboratory from chemicals

b--adding DNA from one organism into the DNA of another organism

c--cutting out pieces of DNA from an organism under a microscope

d--replacing DNA in one organism with DNA from another organism

Answers

The answer should be B

Rheumatoid arthritis is a disease that occurs when the body's immune system starts attacking its own joint tissue. The
symptoms are pain, inflammation, and swelling in the joints. Orthopedists (doctors who study bones) and immunologists
(doctors who study the immune system) both work with patients who have rheumatoid arthritis. What is the difference between
the orthopedists and immunologists who treat the disease?
Only the orthopedists examine the symptoms.
O Only the immunologists examine the symptoms
The orthopedists focus on the joints, and the immunologists focus on the cause
The immunologists focus on the joints, and the orthopedists focus on the cause

Answers

Ortha Bonnick’s focus on the joints

Answer:

C) The orthopedists focus on the joints, and the immunologists focus on the cause.

Explanation:

List three environmental benefits of golf courses?

Answers

Answer: They provide a wildlife habitat, also protect topsoil from water and wind erosion, and third, they improves air quality

Explanation:

Final answer:

The environmental benefits of golf courses include preservation of biodiversity, carbon sequestration, and water management.

Explanation:

1. Preservation of biodiversity: Golf courses can provide habitats for various wildlife species, including birds, insects, and small mammals. These habitats can contribute to the preservation of biodiversity in the surrounding areas.

2. Carbon sequestration: Golf courses with their well-maintained grass and trees can absorb carbon dioxide from the atmosphere through the process of photosynthesis. This helps in reducing the greenhouse gas emissions and mitigating climate change.

3. Water management: Many golf courses implement efficient irrigation systems and water conservation practices. This reduces the demand for fresh water and helps in the preservation of water resources.

Which of the following is an example of natural selection?

Answers

An example of natural selection is camouflage
Adaption
Evolution
adaptation, evolution, or camouflage

A 30 kg object has 3 forces acting on it - one 40 N force to the right, one 20 N force to the right, and one 30 N force to the left. What is the net force on the object?

Answers

Answer:

Fnet=F1+F2-F3=40+20-30=60-30=30N

F=ma

30N=30a

a=30/30

a=1m/s^2

Believe me , biology is another thing.

an ecosystem that has a wide variety of species within it is said to have a large_____.

a) niche
b) habitat
c) biodiversity
d) population

Answers

Biodiversity.

Bio means life. Diversity means variety. So, a variety of living species would make it biodiversity. Also, it couldn't be the others answers.
Not A because a niche is a role or job of an organism.
Not B because that is where organisms live.
Not D because it is multiple species not one.

C Biodiversity is the correct answer.

Answer:

C. Biodiversity

Explanation:

Describe the actor-observer bias and explain why it occurs.
ANSWER
we understand ourselves and our motivations. we may not u sweat and others and their motivations as easily.
hope this helps :)

Answers

Answer:

Responses may vary but should include some or all of the following information:

The actor-observer bias is a form of attribution bias in which a person is more likely to make an external attribution for behavior when acting and more likely to make an internal attribution for behavior when observing another.  The actor-observer bias likely occurs because individuals are more likely to understand the constraints under which they act but are less likely to understand what constrains others.

Explanation:

I took the test.

Consider two ecosystems that scientists have labelled as ecosystem A and ecosystem B. The scientists have found that both ecosystems are
home to a roughly equal number of species. However, ecosystem A is dominated by a small number of species that are very abundant.
Ecosystem B, by contrast, has a more even abundance of organisms across Its species.
From this description, ecosystem B is considered
ecosystem A.
A.
less biodiverse than
B.
equally biodiverse as
C. more biodiverse than
D. more valuable than

Answers

Final answer:

Ecosystem B is more biodiverse than Ecosystem A due to the more even abundance of different species in it, indicating a higher level of biodiversity.

Explanation:

From the descriptions, we can infer that Ecosystem B is more biodiverse than Ecosystem A. This is because, in ecosystem A, there is an apparent dominance of a small number of species, while ecosystem B shows a more even abundance of organisms across its species, which signifies a higher level of biodiversity. Biodiversity is a measure of the variety of organisms present in different ecosystems. This can refer to genetic variation, species variation, or ecological variation within an area, biome, or planet. Greater biodiversity implies greater health for the ecosystem.

Learn more about Biodiversity here:

https://brainly.com/question/13073382

#SPJ12

A new species X is introduced in a forest. How is it likely to affect the local species of that area?

Answers

Answer:

Normally, the effects of the species X are introduced in the forest that depends on the herbivores, omnivores and carnivores. Introduction as well as removal of the species is both minor as well as major effects based on the specials in the forest in more enticing manner. Local species feel a comfort.

Explanation:

While wading in the ocean, you look down into the water and notice an umbrella-shaped, translucent animal. It swims by pulsing its body, and long tentacles trail behind it. One of them brushes your leg. Ouch! You feel a burning sensation where it touched you. To what phylum does this creature probably belong? Mollusca Cnidaria Porifera Platyhelminthes

Answers

Answer:

cnidaria

Explanation:

the group contains jellyfish which fit that exact description tentacles that sting you with a burning sensation if your skin comes in contact with them

USE PAPER TO MAKE YOUR PUNNETT SQUARE. In humans, black hair is
incompletely dominant over blond. The blend of these traits is brown hair. Write
out the genotypes to the three phenotypes in your answer. Example: Black =
Blonde =
Brown = NEXT, cross a heterozygous parent
and a blond-haired parent. Give the genotypic and phenotypic ratios of the
offspring. *

Answers

Just remember if it says incomplete u use the ‘ and only change the subscript for each characteristic ( brown hair, black hair, blonde hair)

Material to diffuse is the_______variable.

Answers

Dependent variable. Hope it helps.

Answer:

The answer is Dependent variable

Explain how traits can be affected by inheritance and the environment?

Answers

Final answer:

Traits are influenced by both genetic inheritance and environmental factors, with examples ranging from physical characteristics like height to behavioral aspects such as personality traits. While genetics provide the blueprint, environmental conditions play a crucial role in trait expression, exemplified by the coloration of Himalayan rabbits in different temperatures.

Explanation:

Traits can be influenced by both inheritance and environmental factors. Inheritance is the process through which genetic information is passed down from parents to offspring, which dictates potential traits such as eye color, height, and certain personality tendencies. However, the environment can significantly modify these traits. For example, while height has a genetic basis, factors such as nutrition can profoundly influence the ultimate stature an individual achieves. An illuminating example is the Himalayan rabbit, which develops different fur colors depending on the temperature of its environment; this demonstrates how environmental conditions can affect gene expression and result in different physical outcomes. Behavioral traits also illustrate the interaction between genes and the environment. No specific genes determine behaviors outright, but genetic predispositions can shape behavior which is then further molded by environmental exposure and experiences. For example, while personality disorders may have a genetic component, the likelihood of developing these disorders is also affected by environmental factors such as the presence of child neglect or sexual abuse. Ultimately, recognizing that genes provide the blueprint for potential traits and that the environment can either facilitate or hinder the expression of these traits is essential to understanding human development. This interaction between our genetic makeup and environmental factors contributes to the complexity of traits and is often summarized by the concept of nature through nurture instead of the traditional 'nature versus nurture' debate.

am was sitting at his desk in front of a window doing his homework. Sunlight shined through the window and a glass of water on the desk and created a rainbow across Sam's paper. Where did the colors in the rainbow come from?​

Since the glass was curved, it made the sunlight change colors.​

The white sunlight was separated into all the colors that make up white light.​

The only way the rainbow could appear is because of a picture on the glass.​

Answers

Answer:

The white sunlight was separated into all the colors that make up white light.​

Explanation:

The sunlight shines into the water droplets in the air, bending as it moves from the air into the water, reflecting off the sides the drops, and bending again as it exits the drops. As a result, all of the colors in the white light of the sun separate into the individual bands of color characteristic of a rainbow.

Answer:

B

Explanation:

:D

Blue poppies native to China are grown at a plant-breeding center in California. Those with the thickest leaves survive and reproduce best in California's drier climate.

This evolutionary adaptation of the poppies to their new environment is due to __________.


a) genetic drift

b) neutral variation

c) disruptive selection

d) directional selection

e) stabilizing selection

Answers

The answer is disruptive selection or C

7. What is the difference between a marsupial and a placental?

Answers

Answer:

The key difference between placental and marsupial is that placental mammals give birth to fully developed young ones while marsupial mammals give birth to undeveloped young ones and keep them in a special pouch until they mature.

The map shows the main streams and the rivers near City A and City B, as well as the nearby factories and farmland. The arrows in the diagram show the direction of the water flow. City A gets its water from the sunset River and City B gets its water from the Moth Lake. A liquid herbicide was applied to a farmland. Based on the information in the map shown, which city would most likely have the best water quality and why? Choose the best answer.
Select one:

City A because there are no pollution sources upstream.

City B because it is fed by two rivers instead of just one.

City B because it is next to a lake which would have more clean water available.

City A because it is farther North which means it is colder so the water is cleaner.

Answers

Answer:

A. City A because there are no pollution sources upstream.

Explanation:

Water pollution is th contamination of water. There are many means through which water is contaminated such as industrial waste, agricultural waste and domestic waste et-cetra.

City A and City B get water from sunset lake and moth lake which have factories (industrial waste) and farmland (agricultural waste) nearby them, which are responsible for the contamination of river water. due to this cities can recieve contaminated water which can affect their health.

But the quality of water in City A will be best than that of City B because according to the image, City A do not have nay upstream soooooource of pollution, as factories and farmland are located at downstream.

Hence, the correct option is A.

HOMOZYGOUS RECESSIVE: Dominant - Round Face Recessive - Square
Face Options:
1: Genotype: AA
2: Genotype: Aa
3: Genotype: aa
4: Phenotype: Round Face
5: Phenotype: Square Face Chose all that apply

Answers

Answer:

Explanation:

i need a we

I believe 3,4 but I’m not sure

Describe the factors that influence an individuals phenotype

Answers

Answer:

Physiology, behavior and morphology are considered as phenotype of an individual as these attributes can be observed. Example of  phenotypes include wing length, hair color, skin color and  height.

There are basically two factors that influence the phenotype:

(1) Genotype or Genetic information of the individual: Some of the phenotypes such as height and skin color are transmitted genetically from generation to generation. Genetic information is the transfer of genes that carry some of the specific genetic information and pass it to another generation which is visible in their phenotype.

(2) Environmental influence: As the phenotype attributes are variable so they are highly influenced by the environment or surrounding they are living. Environmental condition such as temperature, diet, humidity, oxygen levels, and the presence of mutagens affects the phenotype of an individual.

Hence, Genotype and environmental factors influence an individuals phenotype.

Why are endemic organisms in greater danger of becoming extinct?

Answers

Answer:

They are the species which are found only in a particular area. They can be a plant, animal or microorganism. They are at great danger of becoming extinct due to the following reasons: - As they are restricted to a particular area so loss of their habitat is the major reason which could lead to extinction.

Explanation:

What does a completely filled circle represent on a pedigree chart? Group of answer choices A female carrier of a disease A male carrier of a disease A female with a disease A male with a disease

Answers

Answer: A female with a disease.

Explanation:

A pedigree chart is a diagrammatic representation of the phenotypes that are associated with the members of the family and with their generations. These phenotypes can be responsible for the development of eye color, facial forms,  skin color, a particular disease or disorder.

In a pedigree chart a dark circle or filled circle represent that the female is affected by the disease or disorder, whereas a white or unfilled circle represent a female is unaffected or disease free.

Answer:

A female with a disease.

Explanation:

compare primary and secondary succession

Answers

Answer:

primary succession occurs following an opening of a pristine habitat. and secondary succession is a response to a disturbance.

Explanation:

Other Questions
g According to a New York Times/CBS News poll conducted during June 2428, 2011, 55% of the American adults polled said that owning a home is a very important part of the American Dream (The New York Times, June 30, 2011). Suppose this result was true for the population of all American adults in 2011. In a recent poll of 1810 American adults, 62% said that owning a home is a very important part of the American Dream. Perform a hypothesis test to determine whether it is reasonable to conclude that the percentage of all American adults who currently hold this opinion is higher than 55%. Use a 2% significance level, and use both the p-value and the critical-value approaches. in paragraph 2 , what does the phrase " i've studied whiteness the way i would a foreign language" suggest a conley? From commonlit.org In the book The Boy on the Wooden Box, describe the conditions in the ghetto. A triangle has side lengths 1.5 cm, 2 cm, and 3 cm. Is this a right triangle? Explain. pls helppp this is so urgent:The 7th graders at DEMS are going to help set the playground for the kindergartners at the new school. School Safety regulations require that the sand underneath the swings be at least 15 inches deep. The sand under both swing sets was only 12 inches deep when they started.The rectangular area under the small swing set measures 9 feet by 12 feet and required 40 bags of sand to increase the depth by 3 inches. How many bags of sand will the students need to cover the rectangular area under the large swing set if it is 1.5 times as long and 1.5 times as wide as the area under the small swing sets? what is the slope of the equation y+3x=-2 What is one way to discern the meaning of a word using the context of the writing?Re-read the sentences that come before and after the term.Use an internet search engine.Look it up in the dictionary.Ask a friend. __________ are underground areas that have the ability to contain and provide water sources. A. Shamals B. Wadis C. Seas D. Aquifers Please select the best answer from the choices provided. A B C D A prime die uses the first six prime numbers on its faces, one prime per face. When two prime dice are rolled randomly, there is a 1/36 probability that the product of the two numbers will be equal to 4. What is the probability that the product has a units digit of one Whats the distance between point A (32,15) and point B (32,29 can someone please help me? A system of government in which elected officials control the government can best be described as aA constitutional monarchyB. dictatorshipC. federationD. republicPlease select the best answer from the choices provided Compare South Carolina and the U.S. economic changes following World War II. How did each change after the war? Select the number that completes the sentence. 20 is 1/10 of0.02O 0.22200O2,000 The timeline shows the start dates of major world religions. Which religions were established during the Common Era (CE)? Check all that apply. Buddhism Christianity Hinduism Judaism IslamBuddhismChristianityHinduismJudaismIslam The following data is given for the Harry Company: Budgeted production 26,000 units Actual production 27,500 units Materials: Standard price per ounce $6.50 Standard ounces per completed unit 8 Actual ounces purchased and used in production 228,000 Actual price paid for materials $1,504,800 Labor: Standard hourly labor rate $22 per hour Standard hours allowed per completed unit 6.6 Actual labor hours worked 183,000 Actual total labor costs $4,020,000 Overhead: Actual and budgeted fixed overhead $1,029,600 Standard variable overhead rate $24.50 per standard labor hour Actual variable overhead costs $4,520,000 Overhead is applied on standard labor hours. (Round interim calculations to the nearest cent.)The direct labor rate variance is:a. 6,000Ub. 6,000Fc. 33,000Fd. 33,000U Nmeros que multiplicados den 5 y sumados 7 Suppose we know that the birth weight of babies is normally distributed with mean 3500gand standard deviation 500g.(1) What is the probability that a baby is born that weighs less than 3100g?a. What are the parameters?b. Construct the normal distribution density curve, then shade your seeking area.c. Find the Z-score, and construct the standard normal distribution density curve,then shade your seeking area.d. Find the probability. What type of figurative language is the phrase Children shaking like leaves in the wind? * Two accomplishments of reconstruction governments Steam Workshop Downloader