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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6) What term describes an educated guess that needs to be tested by
experimentation?
Hypothesis
Gravity
Biology
Scientific Law
Theories
Archaea are often called _________ because they live in areas where most living things couldn't survive.
A. hydrophiles
B. extremophiles
C. heterotrophs
Answer:
B. extremophiles
Explanation:
Archaea are often called extremophiles because they live in areas where most living things couldn't survive.
Mitosis makes.....
A. cell phones
B. identical body cells
C. sperm and egg cells
B. identical body cells
hope it is helpful to you
Answer:
B. identical body cells
Explanation:
Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells. ... Mitosis separates these chromatids, so that each new cell has a copy of every chromosome.
Si el genoma de una especie contiene un 40% de la base timina, ¿cuál será el porcentaje de guanina del genoma de esta especie? 10% 35% 60% 30% 20%
Respuesta:
El porcentaje de guanina del genoma de esta especie será del 60%.
Explicación:
El genoma de todas las especies está compuesto por ADN (ácido desoxirribonucleico) bicatenario, lo que significa que tiene dos cadenas. Estas cadenas se unirán la una con la otra mediante un componente muy importante en los nucleótidos: las bases nitrogenadas que pueden ser de 4 tipos distintos: timina (T), guanina (G), adenina (A) y citosina (C). Los nucleótidos se aparean siempre de la misma manera para formar pares de bases: citosina con guanina (C-G) y adenina con timina (A-T). De esta manera, podemos inferir que si hay un 40% de base timina en el genoma de una especie, se unirá con un 40% de adenina, y el 60% restante serán pares C-G.
La respuesta correcta es entonces 60%.
If you could genetically engineer any species of organism, what would it be? Would it be a unicorn? A
dog-cat hybrid? Your own personal pet giant? Choose any species--real or not--that your imagination
desires!
Write a paragraph describing your species, what it looks like, and where it lives. Think of any inherited
traits the species has that might help it survive in its environment. Thinking of these traits now can help
you come up with allele combinations in the next step. Now describe your species in the answer space.
Answer:
the species I would combine would be a trapdoor spider and a eel yeah its a unusual mix but at the same time it would be interesting to see because image a eel having 8 legs and spider fangs and armored skin it would most likely also be twice the size of a normal eel or even might have a mutation but who knows
The alteration of the natural gene is called genetic engineering. Genetic engineering helps to cure various diseases, these diseases are as follows:-
ADA syndromeRNAi interferenceGenetic engineering help to make the new organism with the crossing of the two new species.
If I had to choose the an organism I would choose CAT as they are very familiar and easy to work on.
The alleles of the different organisms help to make a new character.
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When purified virulent pneumococci DNA was introduced to avirulent pneumococci, Avery and his colleagues observed _____. Multiple choice question. no death in test animals only growth of avirulent pneumococci, indicating DNA was NOT the agent of transformation death of test mice growth of virulent pneumococci, indicating DNA was the agent of transformation
Answer:
death of test mice, growth of virulent pneumococci, indicating DNA was the agent of transformation
Explanation:
In an experiment conducted by three scientists namely: Oswald Avery, Colin MacLeod and Maclyn McCarty in 1944, it was proven that DNA is the substance that causes transformation in bacteria as opposed to proteins.
In this experiment, Avery and his colleagues combined a dead but virulent strain of Streptococcus pneumoniae & a living but avirulent strain of the same bacterium and inserted into a living rat. They found out that the test specimen (rat) died and observed the growth of the virulent pneumococci.
This suggests that the virulent strain of bacteria has transferred its virulent DNA via transformation into the avirulent strain to kill the rat. Hence, indicating DNA as the agent of transformation.
What is the difference between gene mutations and chromosome mutations?
A. Gene mutations are preventable and chromosome mutations are not
B. Gene mutations can happen easily and chromosome mutations are more difficult
C. Gene mutations only affect one gene while chromosome mutations affect many genes
Answer:
C. Gene mutations only affect one gene while chromosome mutations affect many genes.
Explanation:
The difference is that the gene mutations only affect one gene while chromosome mutations affect many genes.
What do we pass onto future generations?
A. Bacteria
B. DNA
C. Homework
Answer:
B. DNA
Explanation:
DNA is passed on from generation to generation. This is the genetic information and tells the cells what to do and how to operate. So this information does in fact need to be passed on.
draw any two microbes
In the attachment are some examples:
What is true about the NUCLEUS of a red blood cell and the NUCLEUS of a nerve cell?
A. The DNA found in a red blood cell nucleus is DIFFERENT from the DNA in a nerve cell nucleus.
B. They have HALF of the DNA as other somatic cells.
C. The DNA found in a red blood cell nucleus is the SAME as the DNA in a nerve cell nucleus.
Answer:
c
Explanation:
every cell have the same dna
Answer:
The answer is C
hope this helps
have a good day :)
Explanation:
What are 3 environmental factors in the natural reserve that affect which mice in a population survive to produce
BIO HELP 5 POINTS
The Miller-Urey Experiment:
1) attempted to prove that life on other planets existed.
2) disproved the notion of spontaneous generation.
3) simulated the atmospheric conditions of early Earth.
4) proved that gases could evolve in certain conditions from early rocks
Answer:
2
Explanation:
i think 99.9 percent sure trust me
Which is an example of why the process of photosynthesis is important to life on Earth?
Answer:
Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.
3 things that you learned about Particle Theory and Wave Theory of Light
Which word has a similar denotation to the word skinny but a more positive connotation?
Select one:
overweight
underfed
scrawny
slender
Answer:
I think slender is the answer
Ninety-nine percent of the oxygen reaching cells can be best
represented by
Answer:
Hbo2
Explanation:
Ninety-nine percent of the oxygen reaching cells can be best represented as oxyhemoglobin
Why is it that we use the two-name binomial nomenclature invented by Carl Linneaus still to this day?
A. Because mountain lions and pumas are actually very different animals.
B. Because the system is widely accepted and used all over the world universally.
C. Because everybody knows how to speak Latin and Greek.
D. Because Carl Linneaus was just that important.
Answer:
B. Because the system is widely accepted and used all over the world universally.
Explanation:
In contrast to earlier names that were made up of diagnostic phrases, binomial names (or “trivial” names, as Linnaeus himself called them) conferred no bias about the quality or value of plant species named. Rather, they served as labels by which a species could be universally addressed.
Answer:
B. Because the system is widely accepted and used all over the world universally.
Explanation:
We use the two-name binomial nomenclature invented by Carl Linneaus still to this day because, the system is widely accepted and used all over the world universally.
Joyce and Linda are identical twins who are 50 years old and enjoy exercising daily. Joyce avoids eating any dairy or animal products and eats granola made with canola oil for breakfast. Linda prefers rich foods, and eats bacon, eggs, and buttered toast each morning. Which statement describes a logical inference that can be made from the provided information?
Butter has higher levels of saturated fats in it than canola oil.
Linda and Joyce both have high levels of “bad” cholesterol.
Butter contains a small amount of polyunsaturated fats.
Linda has a higher level of “bad” cholesterol than Joyce.
Answer:
Linda has a higher level of “bad” cholesterol than Joyce.
Explanation:
Answer:
B
Explanation:
1) A specialized function shared by the many cells lining the lungs and the lumen of the gut isA) decreased oxygen demand due to the lack of oxygen in foods.B) increased exchange surface provided by their membranes.C) greater numbers of cell organelles contained within their cytoplasm.D) greater protection due to increased cellular mass.E) lowered basal metabolic rate due to cooperation between cells
Answer:
B) increased exchange surface provided by their membranes
Explanation:
Alveoli are tiny air sacs that are responsible for exchanging oxygen (O2) and carbon dioxide (CO2) in the lungs. Alveoli have elastic fibers in order to expand and recoil depending on the volume of air breathed in. The alveolar epithelial cells (pneumocytes) may adopt a shape that serves to increase the surface area of gas exchange. On the other hand, intestinal epithelial cells have microvilli, which are microscopic projections in the plasma membrane. Microvilli serve to increase the cell's surface area, thereby facilitating the absorption of nutrients and water.
Answer:
B) increased exchange surface provided by their membranes.
Explanation:
The intestine that characterizes by being folded, and by having its walls covered by villi that project into the lumen. They are more concentrated in the first portion of the intestine, decreasing to the final region of the organ. They are involved in nutrients absorption by increasing the absorption area.
Nutrients are absorbed by primary cells and transported to the bloodstream. Mucus is secreted to protect the epithelium during digestion. Villi also transport water from the blood to the intestinal tract, which helps in food decomposition.
Besides the absorption function, the intestine characterizes by doing the peristaltic movement, secretion through special glandules, digestive function, absorptive functions, secretion functions, and endocrine functions.
Animals must have a respiratory membrane to make gas interchange. This surface must be humid, thin, and revested by a simple plane epithelium, plenty of vessels. The membrane must be permeable and exposed for gases to circulate. This membrane might be on the body surface or in specific respiratory organs, such as lugs. The gas exchange occurs by simple diffusion. Oxygen tends to diffuse to the interior of the organisms, while carbon dioxide tends to get out of it.
Dar tres ejemplos de alimentos con funcion estructural,tres ejemplos de alimentos con funcion energetica y tres ejemplos con funcion reguladora
Answer:
Alimentos plásticos o constructores: En este grupo se encuentran: Leche, yogurt y quesos. Carnes, pescados y huevos.
Función reguladora:todo tipo de frutas, como manzana, naranja, mandarina al igual que las espinacas, acelgas .
alimentos energéticos, pastas, arroz, productos de panificación (pan, galletas, etc.), dulces, miel, aceites, frutos secas (almendras, nueces, castañas ,
Explanation:
HURRYY, 50 PTS AND ILL MARK AS BRAINLIST !!
describe the interrelationships between the skeletal systems and the integumentary, muscular, cardiovascular and urinary systems
Answer:
Without the skeletal system holding the body together and supporting structure, the muscular, cardiovascular, and urinary systems would be crushed under the impact of our body mass.
Explanation:
Why did Gregor Mendel use peas in his experiments?
Peas grow very slowly.
Pea reproduction cannot be controlled.
Peas normally produce very few offspring.
Peas have characteristics that have two forms.
Answer: Peas have characteristics that have two forms
Explanation: He chose peas because they had been used for similar studies, are easy to grow and can be sown each year. Pea flowers contain both male and female parts, called stamen and stigma, and usually self-pollinate. Self-pollination happens before the flowers open, so progeny are produced from a single plant.
Peas having characteristics that have two forms is the reason they were
used by Gregor Mendel
Who was Gregor Mendel?He was a biologist and is regarded s the father of modern genetics. He
performed various experiments using pea plants.
The reason why the pea plants was used by him was as result of it having
characterisitics in two forms such as smooth and wrinkled etc.
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What's the differences between species richness management approach and indicator species management way?
Answer:
Both have different function.
Explanation:
The main difference between species richness management approach and indicator species management way is that in species richness management we perform activities that allows increase in the population of species while on the other hand, indicator species are the organisms that provides information about the environment that is present in that ecosystem. Both has differences in their functions and their actions.
Which of these can lead to the extinction of a species?
Plz help
Answer:
Explanation:
It would be A because if you lost your home they will be killed by predictors
In an energy pyramid, up to 10% of energy is transferred between trophic levels. Suppose the producer level has 50,000 J. Approximately how much energy is available to the next level, the primary consumer, in this energy pyramid?
Answer: 5,000
Explanation:So it is the 10% law, this is an example 10,000 for the first animal, 1,000 for the second and 100 for the third. So for 50,000 it would be 5,000 for the next
Name the site of erythropoiesis in adults
Answer:
Explanation:As stated above, in adults the principal sites of red cell production, called erythropoiesis, are the marrow spaces of the vertebrae, ribs, breastbone, and pelvis.
Beth broke her ankle bone. The doctor gives her a brochure on foods she can eat to help restore the
health of her
bones. Which element will help Beth
strengthen the bone?
Answer:
Phosphorus
Explanation:
Edge2021
Luminosity has do with brightness of a star. It's essentially the power of the star, or how light is being emitted from the surface. About how much brighter is Antares than the Sun
Because it is ______ , fermentation _______ oxygen.
Answers:
aerobic/requires
anaerobic/requires
aerobic/does not require
anaerobic/does not require
Answer:
anaerobic/does not require
Explanation:
anaerobic occurs in the absence of oxygenFor the trait of color in these beetles, where brown (B) is dominant to green (g), what is the phenotype ratio of the possible offspring of two heterozygous beetles?
Answer:
the answer is the last option 75% brown and 25% green.