Answer:
D
Variation existed in the traits of the fox population. Foxes with smaller ears and noses were able to stay warmer and were more likely to survive and reproduce to pass their genes on to offspring. Over time, the fox population showed a shift to smaller ears and noses.
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Answer:
B. Repetition is when a scientist does the same experiment several times; replication is when other scientist reproduce a scientist's experiment.
Explanation:
Repetition: Repeat.
Replication: remake
The rock pocket mouse is found mainly in rocky areas of the deserts of the southwestern United States. Most of these mice have light brown fur that allows them to blend in with the desert rocks where they live. However, there is an area of New Mexico with black rock left over from old volcanic eruptions. Scientists discovered that many of the rock pocket mice living on the black volcanic rock have dark fur. What is the best explanation for this phenomenon
Answer:
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Identify, analyze, and relate the internal (Earth) and external (astronomical) conditions that contribute to global climate change. Include ultraviolet rays, ozone layer, CO2 in the atmosphere etc PLZZZZZZ HELP
Answer:
Carbondioxide gas is responsible for global warming and climate change.
Explanation:
The climate change mostly occur due to increase in the concentration of carbondioxide gas in the atmosphere. The CFCs gases causes depletion of ozone layer in the atmosphere which is responsible for prevention of ultraviolet rays coming to the earth. The burning of fossil fuels in the vehicles and industries produces huge amount of carbondioxide gas that is released in the atmosphere that allows the sunlight to the earth but block its way after reflection which remain suspended in the lower surface causes increase in temperature which leads to global warming.
Divergent plates move _________ from each other. This causes _______ to form as well as mid-ocean ridges.
Provide one reason that preventing fusion of multiple sperm with one egg in sea urchins has provided a survival advantage over evolutionary time
Answer:
To produce a healthy offspring.
Explanation:
To make a healthy offspring is the reason that is responsible for preventing fusion of multiple sperm with one egg in sea urchins because if more sperm are fused with one egg, faulty segregation of chromosomes occurs during cell division that leads to the production of nondiploid cells due to which no further development occurs. So by avoiding such type of faults in the cell, only one sperm will fuse with egg not multiple sperms.
That is one reason that preventing the fusion of multiple sperm with one egg in sea urchins has provided a survival advantage over evolutionary time to produce healthful offspring.
To make a healthful offspring is a purpose this is liable for stopping the fusion of more than one sperm with one egg in sea urchins due to the fact if greater sperm are fused with one egg, defective segregation of chromosomes happens for the duration of the molecular department that results in the manufacturing of nondiploid cells because of which no similar improvement happens. So through averting such sort of faults withinside the molecular, best one sperm will fuse with egg now no longer more than one sperms.
What are offspring?The making of the reproduction is a brand new organism produced through one or greater parents.
Thus it is clearly explained above.
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What happens in the cytoplasm?
Answer:
see below :)
Explanation:
The cytoplasm functions to support cellular molecules and organelles. Many cellular functions such as protein synthesis and mitosis.
Answer:
hello
Explanation:
The cytoplasm functions to support cellular molecules and organelles. Many cellular functions such as protein synthesis and mitosis.
A color blind woman marries a man who s not color blind. All of their sons are color blind but none of their daughters
3. What is the general pattern of current flow and temperature within the Atlantic basin?
Answer:
Have both clockwise and anticlockwise directions and warmer temperature.
Explanation:
Atlantic oceans have a circular pattern of surface currents that moves in the clockwise direction in the Northern Hemisphere and counterclockwise direction in the Southern Hemisphere while on the other hand, the temperature of the Atlantic basin is warm and having high salinity in the water. The Atlantic Ocean has about 9 degrees Celsius more warmer than the water of Pacific Ocean that leads to the warmer climate of Atlantic basins.
Vanillin, a compound in vanilla bean, is used for flavoring ice cream. The chemical formula for this compound is C8H8O3.
What elements make up this compound? Check all that apply.
Answer:
Hydrogen, Carbon, Oxygen
Explanation:
H- hydrogen
C- carbon
O- oxygen
hope this helps
Photosynthesis takes in the __________ specifically in a green pigment called _________. In this process ______ gas is consumed along with ________ using __________ as an energy source; producing then a big molecule called ______________ and __________ gas as waste products.
Answer:
sunlight, chlorophyll,carbindioxide, water, sunlight, oxygen and glucose.
Answer:
sunlight, chlorophyll,carbindioxide, water, sunlight, oxygen and glucose.
Explanation:
Hope this helps
The layers of the atmosphere are determined based upon air temperature, which has to do with the energy of the molecules in the air. Where does this energy originally come from?
Answer:
The layers of the atmosphere are determined based upon air temperature, which has to do with the energy of the molecules in the air. Where does this energy originally come from?
Explanation:
The layers of the atmosphere are determined based on air temperature, the energy in the air molecules comes from the sun, which increases the temperature of the atmosphere.
What are the layers of atmospheres?There are different layers of the atmosphere. There are seven layers of atmosphere. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
The sun is the only source of energy for the atmosphere. It provides heat or thermal energy and which is acquired by different molecules and these molecules convert this energy into other forms of energy.
Thus, the energy contained in the molecules of the air is derived from the sun, which raises the temperature of the atmosphere, which in turn determines the layers of the atmosphere.
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What are the chances of a child with a pink body?
Answer:
very high
Explanation:
A big-toed elephant with long eyelashes has children with a small-toed elephant with short eyelashes. All of the
children have big toes and long eyelashes.
1. What are the genotypes of the parents?
2. If two children mate, what phenotypic ratios are expected in the grandchildren?
Answer:
the big toed elephant and long eyelash is TT (t being toes), and EE (eyelashes), and the other parent is tt, ee.
part 2, the gran kids will have 3/4 chance to be big eyelash and big toenail and 1/4 to be small eyelashes and small toenails.
Explanation:
why is cell division of prokaryotic cells less complicated than in eukaryotic cells
Answer:
The sexual organisms to develop from single cell.
Explanation:
A ________ can contain many ecosystems?
A. habitat
B. ecosystem
C. biome
D. population
Answer:
C. Biome
Explanation:
Hope this helps!
Take a subject of origins or a question you have and write a minimum of 500 words as a research project. Be sure to list all references and resources as part of your bibliography. Other information can be found at a library or other reference source. (It has to be the creation theory because I go to a christian school.)
Answer:
Life on Earth began more than 3 billion years ago, evolving from the most basic of microbes into a dazzling array of complexity over time. But how did the first organisms on the only known home to life in the universe develop from the primordial soup? One theory involved a "shocking" start. Another idea is utterly chilling. And one theory is out of this world! Inside you'll learn just how mysterious this all is, as we reveal the different scientific theories on the origins of life on Earth.Electric sparks can generate amino acids and sugars from an atmosphere loaded with water, methane, ammonia and hydrogen, as was shown in the famous Miller-Urey experiment reported in 1953, suggesting that lightning might have helped create the key building blocks of life on Earth in its early days. Over millions of years, larger and more complex molecules could form. Although research since then has revealed the early atmosphere of Earth was actually hydrogen-poor, scientists have suggested that volcanic clouds in the early atmosphere might have held methane, ammonia and hydrogen and been filled with lightning as well. The first molecules of life might have met on clay, according to an idea elaborated by organic chemist Alexander Graham Cairns-Smith at the University of Glasgow in Scotland. These surfaces might not only have concentrated these organic compounds together, but also helped organize them into patterns much like our genes do now. The main role of DNA is to store information on how other molecules should be arranged. Genetic sequences in DNA are essentially instructions on how amino acids should be arranged in proteins. Cairns-Smith suggests that mineral crystals in clay could have arranged organic molecules into organized patterns. After a while, organic molecules took over this job and organized themselves.
Explanation:
v-FLIPs are viral proteins that were first identified as modulators of apoptosis; they contain two death effector domains, which are also found in some initiator caspases such as procaspase-8. These v-FLIP proteins can be recruited to the DISC through the binding of the death effector domain to similar domains in the adaptor proteins but are otherwise catalytically inactive. What do you think is the effect of v-FLIP expression in the host cell?A. It promotes apoptosis mainly via the extrinsic pathway.B. It inhibits the extrinsic pathway of apoptosis.C. It activates only the mitochondrial pathway of apoptosis.D. It inhibits the intrinsic pathway of apoptosis.E. It enhances the caspase cascades in both the intrinsic and extrinsic pathways.
Answer:
B. It inhibits the extrinsic pathway of apoptosis
Explanation:
Apoptosis is a cellular pathway that leads to programmed cell death. Viral FLICE-inhibitory proteins (FLIPs) bind to the adaptor proteins and block the interaction between the DISC complex with the caspase-8 protease enzyme, which triggers apoptotic cell death. In consequence, cells become resistant to Fas-mediated apoptosis, a pathway initiated by the FADD protein which is known to recruit caspase-8.
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All human beings differ from one another by roughly what percentage of their total DNA?
Answer:
1%
Explanation:
Hope that helps
PLEASE HELP!!
What government entity was created to set industry standards for water quality?
Department of Agriculture
National Oceanic and Atmospheric Administration
Environmental Protection Agency
Answer: Environmental Protection Agency
Explanation:
How does the circulatory system work as a defense system?
Answer: It provides protection of the body by white blood cells, antibodies, and complement proteins that circulate in the blood and defend the body against foreign microbes and toxins. Clotting mechanisms are also present that protect the body from blood loss after injuries.
Answer:
The human circulatory system has a complex network of blood vessels that reach all parts of the body. This extensive network supplies the cells, tissues, and organs with oxygen and nutrients, and removes carbon dioxide and waste compounds.
hope this helps!
Explanation:
Which three types of electromagnetic waves have longer wavelengths than the waves that make up visible light?
radio waves, gamma rays, X-rays
gamma rays, infrared light, X-rays
microwaves, radio waves, infrared light
infrared light, ultraviolet light, microwaves
Answer:
Micro waves, radio waves, and infared light
Explanation:
The three types of electromagnetic waves that have longer wavelengths than the waves that make up visible light are microwaves, radio waves, infrared light.
What is electromagnetic wave?Electromagnetic waves are waves that are formed from oscillations of particles that are propagated Simultaneously through space and variations of electric and magnetic field intensity. Examples are radio waves,X rays, visible lights infrared, visible light.
Therefore, The three types of electromagnetic waves that have longer wavelengths than the waves that make up visible light are microwaves, radio waves, infrared light.
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Answer:
cc
Explanation:
Anyone know this? Not sure if my answer is right
Answer:
I'm sure you right.
C.) Photosynthesis.Explanation:
I checked the chemical equation as well as the diagram, and it looks accurate.
The chemical equation for photosynthesis is:
6CO2+6H2O → C6H12O6+6O2.
So your answer is correct.
In plants, photosynthesis is used to convert light energy from sunlight into chemical energy (glucose).
Carbon dioxide, water, and light are used to make glucose and oxygen.
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Good luck foe.
Lb
What are the three types of forests age and structure?
Answer:
Tropical rain forests grow around the equator in South America, Africa, and Southeast Asia, The temperature is stable year-round, around 27°C (60° Fahrenheit). As you can tell from the name, it rains a lot in these forests. Most tropical forests receive at least 200 cm (80 inches) of rain in a year. Tropical forests generally have a rainy and dry season. Temperate forests occur in the next latitude ring, in North America, northeastern Asia, and Europe, temperature ranges from -30 to 30°C (-22 to 86 F) and the forests receive 75-150 cm (30-60 in) of precipitation per year,
Explanation:
An adaptation is:
A) a physical characteristic that an organism develops during its life in response to
environmental change.
B) the Way that an organism acts when under high selective pressures.
C) an inherited trait that helps an organism to survive and reproduce in its environment.
D) a chemical change in the DNA of an organism that produces variation of genes.
Answer:
C
Explanation:
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When a system transforms energy from one type to another, the system always experiences
A
energy loss through heat.
B
energy gain through light.
C
mass gain through nuclear reaction.
D
mass loss through chemical reaction.
Answer:
A energy loss through heat
When a system transforms energy from one type to another, the system always experiences energy loss through heat. So the correct option is A.
What is meant by energy loss?Energy is lost when it is changed from one form to another, transported from one location to another, or transferred from one system to another. As a result, part of the energy intake gets transformed into an amorphous form of energy, such as heat, when energy is transformed into a new form.
Functionally, unless one is purposefully converting energy into heat, it is nearly hard to convert all of the energy input into the output energy (like in a heater).
The energy that enters power lines always outweighs the energy that exits at the opposite end of the power lines whenever electrical energy is transferred by power lines.
Processes are never 100% efficient because of energy losses.
As it travels, energy changes significantly and assumes a variety of forms. Every conversion it passes through results in some sort of energy "loss."
Even if this energy doesn't truly vanish, part of it changes into forms that we can't utilize or don't want to use. Therefore the correct option is A.
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Answer: D
Almost completely sure it is D
Explanation:
Since the rats are the main source of food, then there will be a decrease in all the species the base off of that one source of food.
Which phrase best describes the nucleus? a. The site of lipid and steroid production b. The site of protein production c. The organelle that produces ATP d. The organelle that houses DNA
Answer: D
Explanation:
The nucleus is the organelle that houses DNA
A describes the smooth ER. B is a protein. C is the mitochondria.
What are some negative impacts of having this life cycle that might have contributed to a decline in the dragonfly population?
Answer:
Dragonflies are important for our environment.
Explanation:
Dragon flies belongs to the ancient family of insects. They are found on every parts of the world and have been from around 300 millions years ago. There are more than 5000 different species of them found in different parts of the world. Conserving dragonflies is important as they considered as a valuable environmental indicators.
Dragon flies are found in the areas where water is available and near grasslands. Their life cycle is an example of an incomplete metamorphosis. The dragon flies lays their eggs near the water or in the water. Dragon flies spends most of the life time as a nymph in the water where they turn into an adult and leave the water. The dragon flies rely on the aquatic ecosystems all through their life. Thus dragonflies are an important indicators of the environment and water quality.
Most of the life cycle of the dragon flies depend on the availability of water and its quality. Polluting water and destroying their habitat will result in the decline of the population of the dragon flies.