Answer:
Sinkholes occur when water from the groundwater has been removed in excess.
Explanation:
Sinkholes are empty spaces in the ground that occur due to the landslide of large volumes of land, creating craters of different sizes. This landslide takes with it everything that is on top of it, such as houses, animals, streets and even entire buildings. While these holes can occur due to engineering flaws, the most common reason is the excessive use of groundwater, which creates an empty space in the interior of the soil and causes the earth to sag.
The growth of two plant saplings A and B, were observed for a period of 6 months. The graph shows the linear growth of the saplings, in centimeters.
After how many months will the heights of the two samplings be the same?
Entre una planta alta de color purpura (AABB) con otras planta enana de color blanco (aabb), ¿cómo será el genotipo y el fenotipo de la F1 Y F2?
Answer:
- Alelos:
Locus 1: A (alto); a (enano)
Locus 2: B (púrpura); b (blanco)
- Cruzamiento parental: AABB x aabb
Genotipos F1: AaBb
- Cruzamiento F1: AaBb x AaBb
Fenotipo: 100% plantas altas púrpuras
- Genotipos F2: AABB (1/16); Aabb (1/16); aaBB (1/16); aabb (1/16); AaBb (4/16); AABb (2/16); aaBb (2/16); AaBB (2/16); Aabb (2/16)
- Fenotipos F2: 9/16 A-B- (altas púrpuras); 3/16 A-bb (altas blancas); 3/16 aaB- (enanas púrpuras); 1/16 aabb (enanas blancas)
Explanation:
Un cruzamiento dihíbrido refiere a un tipo de cruzamiento entre dos parentales que difieren para dos pares de alelos (AABB x aabb). Si consideramos dos loci de dominancia completa, un cruzamiento dihíbrido producirá una F1 heterocigota para ambos genes donde la progenie expresará ambos rasgos dominantes. Como resultado de la distribución independiente expresada en la segunda ley de Mendel, La F2 de este tipo de cruzamiento producirá un proporción fenotípica 9:3:3:1; es decir 9 individuos con ambos rasgos dominantes (A-B-), 3 con el rasgo uno dominante (A-bb), 3 con el rasgo dos dominante (aaB-) y 1 con ambos rasgos recesivos (aabb).
Which best describes why gel electrophoresis works
Answer:
Scientists can determine the size of DNA fragments through a process known as gel electrophoresis. ... Large DNA molecules move slower and can be observed at the top of the gel, whereas smaller DNA fragments move faster and are seen at the bottom of the gel.
species I
species II
species III
species IV
Which term describes when individuals leave more offspring than other individuals?
A: natural selection
B: differential reproduction
C: overproduction
Option B: differential reproduction
Answer:
b:differential reproduction
Explanation:
When individuals leave more offspring than other individuals.
How many copies of the genes.for one feature are in each reproductive cell (the sperm and the egg
A (0)
B (1)
C (2)
D (4)
Wich behavior is a response to an external stimulus
Answer:
An external stimulus is a stimulus that comes from outside an organism and causes a reaction. ... Learned behavior is a response to a stimulus that an animal was taught. Being able to read and write are examples of learned behavior, because it is not something you are born able to do.
Explanation:
Describe the processes involved in photosynthesis
Explanation:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
Answer:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
What molecule forms a double helix structure composed of two complimentary strands of nucleotides?
PLEASE HELP ASAP!!!
If a strategic mineral, such as uranium, is becoming depleted in the United States, where we look acquire this
mineral?
Answer:
China, Russia, Kazakhastan, Mexico, Nimibia, Greenland, South Africa, Canada, Australia
when a plant is not strong enough to support its own weight what is most likely the problem
Answer:
the roots are weak
Explanation:
because it can’t hold its weight
Help me in biology please
Answer:
A or "The blood would not be able to carry oxygen."
Explanation:
"Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin."
https://www.hematology.org/education/patients/blood-basics#:~:text=Red%20cells%20contain%20a%20special,their%20color%20from%20the%20hemoglobin.
Choose the combination of factors that creates snow.
Answer:
Relative Humidity- Low
Air tempurature-cold
Air Pressure-low
Explanation:
High pressure, warm temperatures, and high humidity are factors that creates snow.
What are the factors that create snow?Snow and/or ice formation requires temperatures below freezing, both in the atmosphere and close to the ground.
Something that will induce the moist air to rise, forming clouds and precipitation, moisture, produces precipitation and clouds.
Water that has frozen solidly is snow, and the atmosphere (layer of gases around Earth) contains water in the form of vapor (gas). When there is a lot of vapor present, clouds develop, fill up with water droplets, and eventually begin to rain.
Therefore, when a very cold water droplet freezes onto a pollen or dust particle in the atmosphere, a snowflake starts to form.
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Answer:
it's d the answer they has ask me that cuestión ay school
NO LINKS PLEASE
Why is the giant iguana a good example of Charles Darwin's theory of adaptive radiation, or the way a species adapts to its environment ?
O A. Giant iguanas live on the largest island in the Galapagos.
OB. Giant iguanas live on the smallest island in the Galapagos.
O C. Giant iguanas help each other survive.
OD. Giant iguanas are larger than other iguana species.
Answer:
A
Explanation:
They live on larger islands so they need to evolve to survive better on them.
The giant iguana a good example of Charles Darwin's theory of adaptive radiation, or the way a species adapts to its environment is Giant iguanas live on the largest island in the Galapagos.
What are the benefits of flattened tails?The benefits of flattened tails are that or the difference in the tail shape is because Flattened tails are better for swimming than rounded tails. This is due to the difference in habitats of the marine and inland iguanas.
By natural selection, the nature of the species gradually changes to became adapted to the niche.This is due to natural selection.The marine iguanas of the Galapagos Islands feed on seaweed and algae. Marine iguanas have flattened tails while other species of iguanas that live inland on the Galapagos and on the South American mainland have rounded tails.
Therefore, The giant iguana a good example of Charles Darwin's theory of adaptive radiation, or the way a species adapts to its environment is Giant iguanas live on the largest island in the Galapagos.
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Describe the role of gravity in maintaining the atmospheric layer around Earth. I will mark as brainliest
Answer:
Hi so the answer is that Gravity pulls the gas molecules towards Earth's center. The pull of gravity is stronger closer to the center at sea level. Air is denser at sea level where the gravitational pull is greater. Gases at sea level are also compressed by the weight of the atmosphere above them.
Explanation:
I really hope i helped , pleaseeee give me brainliest , have a nice day and thank you in advance :))) .
Help me with numbers 44 and 45
Answer:
44- object 2
45- objects 1 and 4
Explanation:
44- object 2 push force is higher one the left then on the right
45- object 1 cancel eachoher because they have the same push force as eachoher and object 4 don't move at all because they don't have any push force on either side
Why do potato plants no longer need to use glucose from starch in respiration once they have grown above ground?
We don't know what the first life form was or how it came to be, but the process of reproduction with VARIATION over billions of years is responsible for the diversity of life on Earth today.
A. True
B. False
Answer:
A. True
Explanation:
Yeah, we don't know what the first life form was or how it came to be, but the process of reproduction with VARIATION over billions of years is responsible for the diversity of life on Earth today.
SCIENCE
Which of the following is an example of a glacial formation?
(Don’t put a random answer or spam things or I will report you and you will lose the points)
A. Photosynthesis
B. Methane degradation
C. Photolysis
D. Weathering of rocks
Answer:
The correct answers is letter D.
Explanation:
Base on my research Weathering of rocks or Weathering loosen of rocks are examples of a glacial formation
i need help with this question
Which correctly describes the projected growth of the world's population in
the future?
A. The rate of growth will remain the same.
B. It will not grow much higher than it is now.
C. The population will eventually begin declining.
D. The rate of growth will slow down by 2100.
Answer:
D the rate of growth will slow down by 2100
Explanation:
Sorry if it’s wrong
World's population growth rate will slow down by 2100 in future.
What is world's population growth ?The rise in the number of people in a population or dispersed group is known as population growth. Global population growth is roughly 83 million people per year, or 1.1 percent per year. From 1 billion in 1800 to 7.9 billion in 2020, the world's population has increased dramatically. What will be the world's population growth rate in future?The world's population is expected to reach 10.9 billion by 2100 in future, with yearly growth of less than 0.1 percent – a significant decrease from present rates. Between 1950 and today, the world's population increased by 1% to 2% per year, going from 2.5 billion to more than 7.7 billion people.Hence, the correct option is D.
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Please help me with please
When DNA code changes, what happens to the protein made?
plant store _____ and other essential nutrients in the vacuole
Answer:
Plant store water and other essential nutrients in the vacuole.
Explanation:
Plant store water and other essential nutrients in the vacuole.
What is herbal medicine?
Herbal medicine is defined as the medicine which is acquired from the various parts of the plants such as flowers, roots, shoots, and leaves. Herbal medicine are costly in compare to normal medicine and because there production is limited and there will be no side effect of herbal medicine in compare to allopathic medicine.
The main difference between herbal medicine and allopathic medicine is that the allopathic medicine is formed from the active or particular part of the plant but in herbal medicine whole plant parts are utilised.Herbal medicine are costly in compare to normal medicine and because there production is limited and there will be no side effect of herbal medicine in compare to allopathic medicine.
Therefore,Plant store water and other essential nutrients in the vacuole.
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É correto afirmar que a presença de lagartas em espigas de milho se deve:
A - ao processo de geração espontânea comum aos invertebrados.
B - à transformação dos grãos em lagartas.
C - ao desenvolvimento de ovos depositados por borboletas.
D - ao apodrecimento do sabugo e dos grãos.
Answer:
C - ao desenvolvimento de ovos depositados por borboletas.
Explanation:
Antes de responder a sua pergunta, eu preciso te explicar que esse não é o servidor brasileiro e sim o servidor dos EUA, você deve ter percebido que toda a linguagem do site esta em inglês. Isso significa que você só deve postar perguntas em português no campo "World Languagens" mesmo que a sua pergunta seja de biologia como essa. Caso você não faça isso, a sua pergunta pdoe ser excluída, sem ser respondida.
As lagartas que surgem nas espigas de milho, são resultado do ciclo de vida da lagarta e refere-se ao momento em que os ovos depositados nas plantas de milho pelas borboletas se chocam, liberando as lagartas, que se desenvolverão e virarão novas borboletas.
É impossivel que um grão e milho vire uma lagarta, ou que o sabubo apodrecido pode gerar lagartas. Além disso, o ´processo de geração espontanea é uma teoria cientifica invalida e que não deve ser considerada.
Which sequence illustrates a generalized food chain in a natural community?
A. heterotroph > herbivore > carnivore
B. autotroph > herbivore > carnivore
C: consumer > autotroph > carnivore
D. autotroph > herbivore > autotroph
The exploration of the mid-Cayman rise is intended to discover _______. a. what life may have been like before the evolution of photosynthesis b. the origins of photosynthesis c. life in shallow, coastal regions d. the chemical composition of undersea mountains Please select the best answer from the choices provided A B C D
Answer: a. what life may have been like before the evolution of photosynthesis
Explanation:
The mid-Cayman rise is an area that has little light coming in but still has life in it.
Plants are able to provide food for themselves and the rest of us by using photosynthesis to make food. Photosynthesis uses sunlight to make this food.
One would think that photosynthesis was around for as long as plants were around but this is not the case. Life on earth had existed long before photosynthesis became a valuable process to plants.
There is therefore curiosity as to how this life fed itself without using photosynthesis and this is why the life in the mid-Cayman is being explored. The way the life makes food there in the absence of light will shed light on how plants made food before photosynthesis.
Answer:
A
Explanation:
8. Materials essential for development are transported to a human fetus through the:
A. Fallopian tubes
B. Egg cell
C. Reproductive hormones
D. Placenta
Answer: D) Placenta
The placenta helps bring nutrients towards the fetus.
The study of how gene expression is turned on and off and which considers the
interactions between DNA, RNA, proteins, and the environment is called
Answer:
epigenetics
Explanation:
Epigenetics is the study of how gene expression is turned on and off and which considers the interactions between DNA, RNA, proteins, and the environment .
What is Epigenetics?Epigenetics is the study of how your behaviors and environment can cause changes that affect the way your genes work.
What are 3 factors that affect epigenetics?Several lifestyle factors like diet, obesity, physical activity, tobacco smoking, alcohol consumption, environmental pollutants, psychological stress, and working on night shifts.
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