Water has a heat of fusion of 6.01 kJ/mol. An iceberg in the Atlantic Ocean near Newfoundland contains 1.27 x 107 mol of water. How much thermal energy does it absorb as it melts? Answer using appropriate significant digits.
How has genetics changed since the time of Mendel?
Answer:
The idea around genetic have changed.
Marianne is comparing two animals: a fruit fly and a fruit bat. She asks, "Do a fruit fly and a fruit bat share a common ancestor in their evolutionary history?" According to evolutionary theory, what is the answer to Marianne's question? A. Yes, because the fruit fly and fruit bat share the common trait of eating fruit. B. No, because the fruit fly is an insect and the fruit bat is a mammal. C. Maybe, depending on specific traits at the organism and cellular levels of both animals. D. Yes, because all living things share a common ancestor.
Answer: c. maybe, depending on specific traits at organism in cellular levels of both animals
Explanation:
Evolutionary history has to do with the processes through which living organisms evolve from their ancestors to their present generations.
It's quite possible for the fruit fly and the fruit bat to share a common ancestor based on their evolutionary history depending on specific traits at the organism and cellular levels of both animals.
Therefore, the correct option is C.
Based on the data in the graph, do you think that these volcanic eruptions were the main contributor to
the change in overall CO, levels at the station? Explain your answer.
Answer:
According to the evidence, these volcanic eruptions were not the cause of the consistent rise in CO2 levels. If they were, CO2 levels would steadily rise and fall. The chart shows that CO2 levels rose even when there was a drop in volcanic activity. That means some other factors are causing the increase in atmospheric CO2.
Explanation:
The other question was wrong- here’s the picture for the question
Answer:
Blue- a change in matter...
Purple-the ability of a substance to combine chemically...
Green-the ability of a substance to burn
Yellow-the ability of matter...
Explanation:
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For this assignment you will be researching the different types of fungi, and reporting on their usefulness. Choose 5 different fungi and report on the following: Name of fungi What are their major characteristics? Do they have one that separates them out from others? Where do they usually grow? Pros and Cons (are they toxic? Are they beneficial to plants? Nitrogen fixers?) Give two uses that they might have
Answer:
Brown rot fungi that produce hydrogen peroxide which attacks cellulose.
Soft rot fungi that produce an enzyme called cellulase which digests cellulose.
White rot fungi that produce enzymes capable of digesting lignin.
Phycomycetes (Algal fungi)
Ascomycetes (Sac fungi)
Basidiomycetes (Club fungi)
Deuteromycetes (imperfect fungi)
here are present different types of fungi. These fungi are classified based on their morphological structure of the mycelium spore formation, fruiting bodies and mode of life cycles. The fungi are divided into five phyla such as: Chytridiomycota, Zygomycota, Glomeromycota, Ascomycota, and Basidiomycota
Explanation:
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1) what is the relationship between the fundamental niche and the realized niche of a species?
PLEASE HELP
The total collection of circumstances that allow an animal (population, species) to live fundamental niche. Realized niche refers to the circumstances that a particular animal really uses.
What connection exists between a species' basic niche and its realised niche?Given its adaptations, the species' possible mode of life is known as the Fundamental Niche. The realised niche can only be the same size as or lower than the basic niche since it results from a species' adaptations as well as from competition with other species.
How do a species' innate niche and its actual niche differ from one another and what keeps them from being the same?When more creatures move in, there is competition for food and mates, or when predators begin to hunt in the area, the fundamental niche becomes smaller.
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Gene-environment interactions that occur during childhood
A) do not effect adulthood
B) may not show noticeable effects until adulthood
C) do not effect childhood
D) do not cause behavioral problems
Answer:
B
Explanation:
may not show noticeable effects until adulthood
Interaction between genes and the environment leads to human health effect. Gene-environment interaction that occurs in childhood may not show noticeable effects until childhood.
What are the examples of gene-environment interaction?Gene-environment interaction is the interaction between genes and related physical and social environment.
Its examples can be:
Organophosphate pesticide and Parkinson's disease.Abuse and anti-social behavior.Asthama and air pollution, etc.This interaction that occurred during childhood may not show its effects until adulthood.
Thus, the correct option is B.
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What animal in the Andes Mountains would be at the top of the food chain A. Rats B. Pumas C. Bears D. Guanacos. Please help
Answer:
im not sure but i think its Guanacos
Explanation:
The animal in the Andes Mountains would be at the top of the food chain - B. Pumas
Food chainthe sequence of movement of energy and matter from one level of an organism to another.
A carnivore that does not have predators is called the top predator and is situated at the top of the chain.
In mountain Andes, the carnivores are puma, lion and other carnivores.
Thus, The animal in the Andes Mountains would be at the top of the food chain - B. Pumas
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The main parts of a working clothes dryer are shown in the diagram.
This appliance dries clothes primarily by converting --
Answer:
electrical energy to heat and mechanical energy
Explanation:
Answer:
Electrical energy to heat and mechanical energy
Explanation:
it uses Mechanical energy when it's MOVING the clothes
Heat in order to DRY it
Electrical in order for it to do all of that
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A wildfire in a forest causes a population of deer to flee to a nearby field. This field is home to a population of rabbits. Which is an effect
of the deer moving to the field?
Answer:
C
Explanation:
They both eat the same thing which is plants this will either cause one of the species to flee to new land with plants or a fight among them for survival
Answer:
Overabundant deer can spell trouble for people, including frequent car collisions and the spread of zoonotic diseases. But deer can also disrupt wildlife communities -- such as forest songbirds -- by eating away their habitat. In a new study, researchers show that areas in the eastern US with high deer numbers tend to have fewer birds that need forest shrubs.
Explanation: 100% plagiarism free
This shows the stages in growth and division in a cell.
Answer:
A growing and dividing cell goes through a series of stages called the cell cycle. The first stages of the cell cycle involve cell growth, then synthesis of DNA. The single strand of DNA that makes up each chromosome produces an exact copy of itself. The cell undergoes a type of cell division called mitosis.
PLEASE HELP ME! ILL MARK BRAINLIEST!
Answer:
ExplanationA coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
Part C-Answer true or false:
a. If a plant cell is placed in a salt solution, the central vacuole will shrink
b. If a red blood cell is placed in distilled water, it will shrink
c. If a plant cell is placed in distilled water, the cell membrane will move away from the cell wall
d. If a red blood cell is placed in a salt solution, the salt will enter the cells, giving them a strange appearance
Match the correct description to the space tools listed below.
Optical Telescope, Refracting Telescope, Reflecting Telescope, Radio Telescope, Satellites, Space Probes, and Spectroscopes
_____________________contain instruments to collect data and travel out of Earth’s orbit to explore places that would be too dangerous for astronomers; instruments vary according to the mission
_____________________ are placed in orbit around Earth with special instruments and telescopes to collect information from space and is sent back to Earth to be interpreted
_____________________ receive radio waves emitted from objects in space (distant stars and galaxies); can receive information in any weather and during day or night
_____________________ collect light from distant stars and separate the light into bands of different colors; astronomers study the bands to identify elements in the star
_____________________collects visible light, and then uses convex lenses or mirrors to focus the light producing larger, brighter images of distant objects in space.
_____________________ collects visible light and uses convex lenses to focus the light and produce images of objects in space
_____________________ collects visible light and uses mirrors to focus the light and produce images of objects in space
Answer:serach on quizlet it is their
Explanation:
If the parent organism has 20 chromosomes in each cell, how many chromosomes will be found in each of its daughter cells?
Answer:
the daughter will have 11 in her cells
the role spindle during mitosis
What layer of skin is composed of soft, flexible keratin?
Cuticle
Cortex
Medulla
Matrix
Answer:
The cuticle is composed of soft flexible keratin
Explanation:
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Which organisms are both heterotrophic and autotrophic?
Answer:
Pitcher Plant ( venus fly trap) has both autotrophic and heterotrophic mode of nutrition. They can prepare their own food like any other plant.
Explanation:
Answer:
Cyanobacteria
Explanation:
This type of bacteria is a heterotrophic and autotrophic organism. They exhibit photoautotrophic nutrition. Sorry for the wait, I had to do some research about this.
-Aslina
How is water consumption a problem when it comes to farming animals?
I need help with this question- I put one answer but need to find the other
Answer:
Proton and Energy
Explanation:
Your answer you choose is correct, you can cross out magma because that connects with lava not, nuclear functions, and vapor, since that connects with the water cycle.
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Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?
the starting point
the direction
the end point
the time per meter
Answer:
B; the direction
Explanation:
Answer:
The direction
Explanation:
I got it right on EDGE 2021 :D
Which type of offspring is most likely the result of asexual reproduction?
A. Offspring that inherit genes from both parents
B. Offspring that inherit only beneficial genes
C. Offspring that are genetically different from each other
D. Offspring that are genetically identical to each other
Answer:
The answer is C
Explanation:
Asexual reproduction occurs in prokaryotic microorganisms (bacteria) and in some eukaryotic single-celled and multi-celled organisms. Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent.
The type of offspring that is most likely the result of asexual reproduction is the offspring that are genetically identical to each other, which is in Option D, as here the offspring are genetically identical to each other and to their parents too.
What is the significance of identical offspring in reproduction?Asexual reproduction is a process that results in offspring that are exact copies of the parent organism, as there is no involvement of the sex cells or the gametes, and without genetic recombination, identical offspring are produced. Some of the unicellular and lower-level organisms show this asexual reproduction.
Hence, the type of offspring that is most likely the result of asexual reproduction is the offspring that are genetically identical to each other, which is in Option D, as here the offspring are genetically identical to each other and to their parents too.
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Climate change is forcing many animals to adapt to survive. The tawny owl in Finland is a good example. These creatures come in two colors, brown or pale grey. The cold white winters have traditionally favored the pale grey owls, but over the last 50 years as the winters have become milder with less snow precipitation, researchers noticed a shift in the populations. Which statement is correct and why?
Answer:
Climate change changes the distribution of organisms.
Explanation:
Climate change changes the distribution of organisms because due to climate change, the environment is no longer suitable for many species so the organisms are migrated from that environment to another suitable environment so that's why the pale grey owls population decreases due to change in climatic condition of the environment.
Which of the following molecules does not contain carbon?
A. Proteins
B. Fats
C. Water
D. Sugars
Answer:
proteins are the molecules that does not contain carbon
Water is the molecule that does not contain carbon as it contain hydrogen and oxygen. The correct option is C.
What are molecules?A molecule is a gathering of two or more atoms held together by chemical bonds. As per the context, the term may or may not encompass ions that meet this criterion.
The smallest particle of a substance that possesses all of its physical and chemical properties. One or more atoms make up a molecule.
Water is a simple molecule made up of one oxygen atom bonded to two hydrogen atoms. The bonds are polar covalent or polar bonds due to the higher electronegativity of the oxygen atom.
The molecules that is proteins, carbohydrates, and fats are the ones that contain carbon atom in their composition.
Thus, the correct option is C.
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Which of the following statements is true about catalysts?
a
Catalysts are used up during a chemical reaction.
b
Catalysts lower the activation energy of a chemical reaction.
c
All catalysts are enzymes.
d
Catalysts slow down the rate of chemical reactions.
Answer:
b. Catalysts lower the activation energy of a chemical reaction.
Explanation:
what Helps to maintain the plasma membranes fluidity?
Answer:
If unsaturated fatty acids are compressed, the “kinks” in their tails push adjacent phospholipid molecules away, which helps maintain fluidity in the membrane. The ratio of saturated and unsaturated fatty acids determines the fluidity in the membrane at cold temperatures.
What is the evolution of sex?
Answer:
Sex evolved as an extremely efficient mechanism for producing variation, and this had the major advantage of enabling organisms to adapt to changing environments. Sex did, however, come with a cost. In reproducing asexually, no time nor energy needs to be expended in choosing a mate.
If a mutation helps an offspring survive and reproduce, the mutation can become an____ in future generations.
PLZ I NEED HELP ASAP HELP ME PLZ . 10 POINTS WHOEVER ANSWERS PLZ , I NEED REAL ANSWERS AND DONT RUSH.!!!!!!!!!!
Answer:
An adaptation
Explanation:
If the mutation has a positive effect on the fitness of the offspring, it is called an adaptation.
Write a paragraph explaining how energy flows through an ecosystem.
Be sure to use the following terms:
Energy Pyramid Sun
Trophic Level Producer,
Primary Consumer Decomposer
Secondary Consumer Tertiary Consumer.
Answer:
The living organisms of an ecosystem are related through food chains, which gives rise to trophic levels in an ecosystem. There is a flow of energy from one trophic level to the other in a food chain. Producers bring energy from the sun into the community. Primary consumers eat the producers, which makes them herbivores in most communities. Secondary consumers eat the primary consumers, which makes them carnivores. Tertiary consumers eat the secondary consumers. A final link in the food chain are decomposers, which break down the organic matter of the tertiary consumers (or whichever consumer is at the top of the chain) and release nutrients into the soil. Thus, there is flow of energy from Sun ------> Producer ------> Herbivore -------> Carnivore ------> Decomposers.
How energy flows through an ecosystem is summarized below.
Energy flows through an ecosystem in the following order:
Sun ----> Producer ---> Primary consumer ---> Secondary consumer ---> Tertiary consumer ---> Decomposer.
Some of the energy from the sun is fixed by the producer through a process known as photosynthesis. The producers are usually green plants and photosynthetic bacteria.Primary consumers feed directly on the producers.Secondary consumers feed on the primary consumers.Tertiary consumers feed on the secondary consumers.The decomposers feed on the remains of the tertiary consumers.As the energy flows from producer to the different consumers, and to the decomposer, only about 10% of the energy available in each trophic level move to the next with the rest being lost to heat.
Hence, an energy pyramid is created as we move from the lower trophic level to higher trophic levels.
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