Seasons are caused by the fact that the Earth is tilted on its axis by 23.5°. The tilt's orientation with respect to space does not change during the year.
Answer:
The statement that accurately describes what creates Earth's seasons is: B. Earth's seasons occur due to a 23.5° axial tilt toward or away from the Sun during a 365 day revolution around the Sun.
Explanation:
Earth's axis is tilted at an angle of approximately 23.5° relative to its orbit around the Sun. As Earth orbits the Sun, the tilt of the axis causes different parts of the Earth to receive different amounts of solar energy. This results in the seasonal variations in temperature and daylight that we experience on Earth.
During the summer months, the North Pole is tilted toward the Sun, causing the Northern Hemisphere to receive more direct sunlight and experience longer days and warmer temperatures. During the winter months, the North Pole is tilted away from the Sun, resulting in shorter days and cooler temperatures in the Northern Hemisphere. The opposite is true for the Southern Hemisphere, where the seasons are reversed.
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All correct EXCEPT: of the following statements concerning characteristics of predator-prey relationships are A. A rise in the population of prey is often followed by a rise in the population of predators. B. A rise in the population of predators is followed by a decrease in the population of prey. C. Camouflageisanadaptationthatprotectsprey. D. Theproductionoflargenumbersofoffspringwithinveryshortperiodsoftimeensures the survival of some prey populations. E. The population of predators most often eliminates the population of prey.
Answer:
are A. A rise in the population of prey is often followed by a rise in the population of predators.
The neurons that send signals from the brain to the body muscles are motor neurons
true or false
Answer:
true
Explanation:
When does molecular breeding give an important advantage over conventional breeding, and how can we exploit this?
Answer:
molecular breeding accelerates the times for genetic improvement
Explanation:
Molecular breeding refers to the techniques used in molecular biology to improve phenotypic features in plants and animals of agronomic and economic interest. Molecular breeding involves many diverse molecular techniques which include, among others, selection assisted by molecular markers (MAS), genome editing techniques (e.g., the CRISPR-Cas genome editing system), quantitative trait loci (QTL) mapping, gene introgression assisted by markers, etc. These techniques can dramatically accelerate breeding programs aimed at improving plant/animal traits and, therefore, they have a fundamental advantage with respect to conventional breeding methods.
(13) Which part of the digestive system is mainly responsible for absorbing water?
A the large intestine
B the pancreas
C the small intestine
D the stomach
Answer:
C) the large intestine
Explanation:
95% of absorption of nutrients occurs in the small intestine. Water and minerals are reabsorbed back into the blood in the colon (large intestine) where the pH is slightly acidic about 5.6 ~ 6.9.
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The electron transport chain produces much more ATP than glycolysis or the Krebs Cycle but it needs them to happen in order to take place. How do the first two steps make the last one possible?
Answer:
there is a link
Explanation:
glycolysis produces pyruvate which feeds into the krebs cycle
krebs cycle also generates redox agents(NADH and FADH2) needed in the etc
4. why would a photosynthetic bacteria cell be classified as phytoplankton?
I know when a hot surface is touch receptors in the hand send a signal to the nervous system the nervous system then sent a signal to the musculine and the arm to contract and move the hand from the hot surface which of these best describes this example
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Answer:
The answer is D
Explanation:
This is because the markup percentage of the price of riding busses mean that less people will ride it and the bus will be less active.
The transport of water through a plant depends on roots absorbing water. Roots depend on osmosis to obtain water. In osmosis, water always a. Moves from a high concentration to a lower concentration b. Moves from a lower concentration to a higher concentration c. Moves so that the concentration of water on one side of the cell membrane is higher than on the other side d. Moves until there is no water left on one side of the cell membrane
which of these cells is the odd one out?: human skill cell, fungi cell, a or bacteria cell?
What are the possible genotypes for blood type of the offspring of two parents, one with blood type O and one with blood type AB?
Answer:
The possible genotypes are A and B
Explanation:
1.-¿Esta será la primera vez que ocurre una pandemia en la humanidad?
2.-¿Cómo habrán enfrentado las personas situaciones parecidas en años pasados?
3.-¿Por qué tendríamos que hacer caso a las recomendaciones de los científicos?
Explanation:
1.-¿Es la primera vez que ocurre una pandemia en la humanidad?
La pandemia de coronavirus no es la primera pandemia que enfrenta la humanidad, a lo largo de la historia se han registrado varias pandemias, como la Peste Negra, una pandemia que ocurrió en Europa en el siglo XIV y mató a aproximadamente 200 millones de personas.
2.-¿Cómo se habrá enfrentado la gente a situaciones similares en los últimos años?
Cada pandemia que enfrenta el mundo ha traído nuevas lecciones y descubrimientos científicos sobre cómo reducir los impactos provocados por la enfermedad y nuevas formas de tratamiento como los medicamentos y las vacunas, que hasta el día de hoy tienen un impacto positivo y benefician a las generaciones actuales.
3.-¿Por qué debemos seguir las recomendaciones de los científicos?
Es fundamental seguir las recomendaciones de los científicos para contener un virus contagioso, pues a través de la ciencia se descubre cómo actúa el virus en el cuerpo humano, cómo se produce el contagio, cuáles son las mejores formas de prevención, etc.
La ciencia es fundamental para la humanidad, a través de estudios y evidencias científicas, el ser humano logra soluciones a problemas que impactan en la vida de las personas.
List three reasons why plants and animals are valuable to the local economy. How could the endangered species act help or hurt a local economy?
Answer:
Plants are valuable since they provide our food, materials for shelter, and purify the air (photosynthesis).
Animals such like livestock, supply us with food, fiber and leather.
The Endangered species act can help a local economy because it helps to supply clean air and pure water. It also protects our natural supplies.
No matter what phase water is in, the water molecules stay the same; they just move differently.”
Explain why this evidence matters:
Answer:
Think about how the water cycle works etiher look in a tetbook or something
Explanation:
How does the tilt of a planet affect its temperature?
Which action would most likely create a light wave ?
A- pouring water into a pile of dirt
B- hitting a drum with a drumstick
C- producing a fire from fuel
D- dropping a pebble in a pond
How many copies of each chromosome do you have?
Answer:
2
Explanation:
Answer is 2....znskskskskskndk
Answer:
We all have two copies of every chromosome (except males who have one X and one Y plus 22 other pairs). Mom and dad give us copies of half their DNA -- one of each chromosome. At the end, we all have two copies of each of our chromosomes just like mom and dad
EMERGENCY!!!!!  what amino acid causes sickle cell anemia?!!!!!??
Answer:
hemoglobin
Explanation:
Which of the following kingdoms does NOT have members who are heterotrophic? A. Fungi B. Animalia C. Plants D. Protista (Dont send me a file)
Answer:
Plants
Explanation:
This is because plants kingdom are autotrophic that they are producers.
Plants kingdom are producers because the photosynthesized. The have chlorophyll which trap light energy from the sun and uses carbondioxide and water to produce carbohydrates and oxygen is released. Therefore they are not heterotrophic, they did not depend on other kingdom to feed...they are primary producers.
A brother and sister are fighting over a toy. The brother pulls the toy with a force of 6N
while the sister pulls back with a force of 8 N. What is the net force? Who gets the toy?
Answer:
the sister wins of course since she is pulling with a stronger force
Explanation:
net force
8n-6n=
2N
How does nectar increase the ability of plants to reproduce?
Answer:
get pollen from one flower to another
What is the most likely reason the bones of the reptiles were found on more than one continent
Answer: Plate Tectonics
Explanation:
................waves are the slowest and most damaging, capable of crumbling buildings.
Answer:
tsunami
Explanation:
It's tusunami waves
Answer:
S-Waves or Surface Waves
Explanation:
What is true of the genetic makeup of all body cells in the human body except for sex cells?
Answer:
It is the same no matter what the cell type. It is random even within the same cell type. It is used to sort cells into organs based on chromosomal differences.
Explanation:
Which of the following illustrates the energy transformation that occurs during photosynthesis
A Electrical to Leaf to thermal energy
B Chemical energy to leaf to mechanical energy
C Light energy to leaf to chemical energy
D Thermal energy to leaf to light energy
Answer: B
Explanation: light energy is converted to chemical energy
How do we have such versatile proteins in our body?
Answer:
They are very versatile and have many different functions in the body, as listed below: Act as catalysts. Transport other molecules. Store other molecules.
Explanation:
Which of the following is an example of microevolution?
A. the formation of four new species of fish in a lake over thousands of years
B. a mass extinction that occurs because of major environmental changes in a habitat
C. a change in the frequency of body color in a species of beetle over time
D. the formation of two new species of rodent that have been isolated by a mountain range
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Answer:
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Answer:
It would be C
Explanation:
Because the colour of a beetle is affected by the allele frequency and therefore changes in alleles as a result of mutations as a result of most likely adaptation
Energy that comes from the Sun
1. chlorophyll 2.Photosynthesis
3.Radiant energy
4.Phytoplankton
Answer:
2
Explanation:
Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO2 and water. This process is known as photosynthesis and is the basis for sustaining the life processes of all plants.
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what types of of chromosomes are about the same size and contain the same type of genes?
A. Homologous chromosomes
Or
B. Analogous chromosomes
Or
C. Sister chromosomes
Answer:
Homologous chromosomes
Explanation:
Homologous chromosomes are chromosomes which contain the same genes in the same order along their chromosomal arms.
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EXTRA POINTS‼️‼️‼️
Answer:
7,600 > 760 > 76 > 7.6