Pls answer!!
a) Based on this information and the food chain below, what are the implications of
not taking immediate steps to reduce CO2 emissions in the atmosphere? (2 points)
algae → snails — crabs — salmon → man
b) Because killer whales are at the top of many food chains, it may seem as if they
are not at risk of starving if seals die off. Why is this not necessarily true? (2 points)
Answers
Answer:
a) Higher carbon dioxide levels means a rapid growth of Algae, especially toxic blue-green algae that can float to the surface of the water. This growing amount of Algae will expand across the ocean and clutter it. Harmful algal blooms can be harmful to aquatic life, as some produce toxins that can make animals sick, while others can die off in large quantities and deplete oxygen in the water when they decompose. Snails, specifically aqaurium snails, crabs, and salmon do feed on Algae, which could control it to a degree. However, as the ocean becomes more acidic, it could dissolve the shells of crabs and snails, which will cause them to cook in the sun, and therefore die out. As for salmon, studies showed that high CO2 concentrations disturb fish acid-balance, induce stress response, increase nephrocalcinosis incidence, energy metabolism, and feed conversion ratio, and reduces body condition factor, feed intake, and growth. Fish in this condition are very vunerable to dying despite food being all around them. Additionally, fish in those conditions are not suitable for consumption, which means less food for mankind.
b) This is not true. Although they eat sharks, whales, and dolphins, that is just occasional. Seals are their primary meal. As the killer whale is a consumer, it cannot provide food/energy for itself, therefore relying on organisms below it on the food chain. The killer whale predominately consumes seals, being it’s only large predator, killer whales are crucial to the stabilisation of seal population.
Explanation:
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Related Questions
This article discusses a group of scientists who are studying an ecosystem. What ecosystem are the scientists studying?
Answers
Answer:
This article discusses a group of scientists who are studying an ecosystem. What ecosystem are the scientists studying? A the Hudson River ecosystem.
Explanation:
Which of the following statements about the use of antibiotics is NOT true?
Bacteria become resistant to the antibiotics.
O
In the past, they were often prescribed for viral infections which increased the chance
of resistance in the patient.
O Can lead to harmful effects such as becoming addicted to antibiotic treatments.
Antibiotics used in farm animals can travel up the chain increasing the chance of
resistance in consumers.
Answers
the second option I m not to sure
.write the difference between
a.Soil formation and Soil erosion
b.Soil pollution and Soil profile
Answers
A. In soil erosion, the soil is carried away from by the wind or water from the top layer of the ground. Soil formation is making soil. It can be by the deposition of the soil from water or wind.
describe the human sigestive system
Answers
Answer:
Human digestive system, the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract, or the series of structures and organs through which food and liquids pass during their processing into forms absorbable into the bloodstream.
Explanation:
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Is this animal a carnivore or an herbivore? How do its teeth help it obtain food?
Answers
Answer:
This animal is a herbivore. The front teeth help it tear off vegetation, and the back teeth help it chew the plants.
Explanation:
A herbivore's back teeth are adapted to help it chew its high fiber plant diet. The front teeth, however, help it actually put the food in its mouth. The picture below shows a typical goat skull (herbivore), and as you can see, it is similar to the one in your problem. So, that skull is one from a herbivore.
In order to clone a gene, a gene is inserted into a.
Answers
A global examination of the diversity of tunicates, a marine animal that is related to other chordates, is shown in the graph here. The equator displays the greatest number of species of tunicates while the polar regions have fewer. Which statement explains the distribution of tunicates shown in the graph? es
Answers
Answer: A) Tropical regions have more available niches into which new species can occupy.
Explanation: USATestPrep
Answer:
A) Tropical Regions have more available niches into which new species ca occupy.
Explanation:
Bellwork: of the locations of earthquakes over the past 10 years were plotted on a world map, which of the following would be observed?
A. Earthquakes occur with the same frequency everywhere on Earth.
B. Earthquakes generally occur along the edges of tectonic plates.
C. Earthquakes most frequently occur near the middle of continents.
D. Earthquakes do not seem to occur in any consistent pattern.
Answers
Answer: B.
Explanation:
It's not A, because earthquakes happen at different magnitudes depending on how the plates shift beneath them.
It's not C, because tectonic plates are scattered among the earth.
It's not D, since the pattern of earthquakes are dependent on the shifts of tectonic plates.
It's B because tectonic plates are the reason earthquakes happen. Everytime they shift or move, an earthquake occurs. There may be some earthquakes that are not near tectonic plates but the majority are, which is why the question uses the word "generally occur."
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pls help me thank you
Answers
Answer:
Your answer would be:
C.) Muscles
The muscular system is composed of cells called muscle fibers. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Explanation:
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Answer:
C -- Muscles
Explanation:
The muscular system is made up of the bones of the skeleton, muscles, cartilage, tendons, ligaments, and joints.
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During mitosis, the X shaped figures that can be seen in prophase, anaphase and metaphase are called_______.
Answers
Answer:
chromosomes probably....... because X shaped ( are usually condensed form of chromatin) which divide .
Echinoderms are organisms that live on the ocean floor. Echinoderms include sea stars and brittle stars, sea urchins, and sea cucumbers. Sea cucumbers move by swimming or squirting water. Sea stars and brittle stars walk on the sea floor using tube feet. Describe the environment in which these organisms live. Predict the adaptations that would be beneficial to echinoderms for living in this environment.
Answers
ADAPTATIONS
1. They are five- sided radial symmetry
2. They are able to regenerate body parts , and some species of sea stars are even able to grow a new body from a severed arm.
3. They have a water vascular system
Select all that apply B vitamins are required for Multiple select question. chemical breakdown of carbohydrates. synthesis of lipids. protection of cell membranes against oxidative damage. metabolism of amino acids.
Answers
Vitamin B are required for the following :
Protection of cell membranes against oxidative damage metabolism of amino acids.Vitamin BVitamin B is very important for the proper functioning of the body cells in the body by helping with the metabolism process of converting food to energy. Vitamin B helps in the protection and maintenance of healthy skin and all kinds of cells and tissues in the human body.
Vitamin B helps in the rebuilding and creation of new blood cells in the body as well.
Hence we can conclude that Vitamin B are required for the following : Protection of cell membranes against oxidative damage, metabolism of amino acids.
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How does adding carbon dioxide to the ocean affect its pH important to the world or soceity?
Answers
Ultimate impact is disruption of ocean ecosystems which can end up impacting society by negatively effecting our food supply chains and beyond that may have economic impacts.
Which of the following does water pollution affect: surface water, ground Water, or ocean water?
Answers
Answer:
Pollution affects surface water, groundwater, and ocean water
Explanation:
Pollution of surface water can cause degradation of ground-water quality and conversely pollution of ground water can degrade surface water. Thus, effective land and water management requires a clear understanding of the linkages between ground water and surface water as it applies to any given hydrologic setting.
Which change in dna will cause a heritable germline mutation.
Answers
The answer will be :
Paternal exposure to high level of radioactive
it causes heritable germline minisatellite mutation.
What do we call a natural resource if it can be used up faster than it can be replaced?
a: depletable
b: renewable
c: sustainable
Answers
Renewable is energy we can “renew” or “get back”.
Sustainable is if it “sustains” or works for the present and doesn’t affect the future.
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Approximately how many kilograms (kg) of carnivore (secondary consumer) biomass can be supported by a field plot containing 1000 kg of plant material?
Answers
About 10 kilograms (kg) of carnivore biomass can be supported by a field plot containing 1000 kg of plant material.
What is an ecosystem?An ecosystem is a self-supporting system consisting of living and non-living components.
In an ecosystem, a carnivore is a secondary consumer.
In energy flow in an ecosystem, 10% of biomass is transferred from primary producer to primary consumer, 10% from primary consumer to secondary consumers.
Thus, 1% of energy is transferred to the carnivore.
1% of 1000 kg = 10 Kg.
Therefore, 10 kilograms (kg) of carnivore biomass can be supported by a field plot containing 1000 kg of plant material.
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During Taylor's experiment, which piece of data would be qualitative?
mass of the cars
degree of the ramp incline
time in seconds
none are qualitative
Answers
None of the parameters used during Taylor's experiment are qualitative.
What is Qualitative data?This is defined as the data that approximates and characterizes and doesn't involve the use of numbers to quantify. Examples include fur or eye color etc.
The data given are all quantitative data which was why option D was chosen as the most appropriate choice.
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Awnser the science problem
Answers
Answer:
okay
Explanation:
1. When different forces have the same magnitude but go in oppisate direction
2.oppisate direction
3. speed and time
Which portion of a neuron contains all of the organelles?.
Answers
Answer:
dendritic processes and spines
Explanation:
what is Archaebacteria
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Answer:
Archaebacteria is an unicellular microorganisms belonging to the Archaea domain, which are genetically separate from bacteria and eukaryotes and often live in harsh environments.
Explanation:
Answer:
microorganisms that are similar to bacteria in size and simplicity of structure but radically different in molecular organization. They are now believed to constitute an ancient intermediate group between the bacteria and eukaryotes.
Explanation:
The Archaea (or Archea) are a group of single-celled organisms. The name comes from Greek αρχαία, "old ones". They are a major division of living organisms. Archaea are tiny, simple organisms.
Can someone please help with number 37
Answers
Answer:
The answer is (A)
Explanation:
Fertilization of an egg by a sperm normally occurs in the fallopian tubes.
(The actual tube)
What do plantations or farms help people to live?
Answers
Answer:
Plantations and farms provide food for people so there won't be starvation
Two unlinked loci affect mouse fur color. nn or nn mice are agouti. mice with genotype nn are albino because all pigment production is blocked, regardless of the phenotype at the second locus. at the second locus, the a allele (agouti coat) is dominant to the a allele (black coat). what would be the result of a cross between two agouti mice of genotype nnaa?
Answers
The result of a cross between two agouti mice of genotype nnaa are albino offspring because mice with genotype nn are albino (pigment production is blocked by epistasis).
What is epistasis?Epistasis is a genetic phenomenon where the presence of a gene variant alters a phenotype influenced by other genes.
A gene is epistatic when a variant (allele) can alter the expression of another gene in the same signaling pathway.
Epistatic interactions are very common in nature and many traits are influenced by this type of interaction.
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What is the difference between gradualism and punctuated equilibrium?.
Answers
Answer:
The gradualism model depicts evolution as a slow steady process in which organisms change and develop slowly over time. In contrast, the punctuated equilibrium model depicts evolution as long periods of no evolutionary change followed by rapid periods of change.
Explanation:
Answer:
The gradualism model depicts evolution as a slow steady process in which organisms change and develop slowly over time. In contrast, the punctuated equilibrium model depicts evolution as long periods of no evolutionary change followed by rapid periods of change.
Explanation:
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What tools do meteorologists use to predict the weather?.
Answers
Answer:
Automated surface-observing systems. For years, weather conditions were manually observed and recorded each hour. ...
AWIPS. When it's close to zero and snowing. ...
Doppler Radar. Meteorologists use Doppler Radar systems in observing severe storms that might happen. ...
Radiosonde. ...
Supercomputers. ...
Explanation:
I got two wrong one has to switch the, the other one
Answers
Combustion - the burning of fuels and harmful gases in the atmosphere through factories.
decomposition - when skulls and bones are decomposed to give out carbon dioxide.
diffusion - when the the molecules move from a region of higher concentration to a region of lower concentration.
respiration - when person breathes in oxygen and out carbon dioxide.
photosynthesis - is the process where trees make glucose and oxygen with the help of sunlight and mineral and water from soils.
Amoeba Sisters: Video Recap Pedigrees HELP
Answers
Based on inheritance patterns, se_x-linked traits are present on the se_x chromosomes while autosomal traitsare found on the autosomes.
What is a dominant allele?A dominant allele is a copy of a gene which always appears in every generation.
A pedigree is a chart that shows the inheritance of triats in generations of families.
Based on the pedigree given:
The genotype of the individual #1 is XBXb since the offspring are XBXb and XbYIn the pattern of inheritance, all males receive their X chromosome from their mother.
Se_x-linked pedigrees differ from autosomal pedigrees because the traits are located on the se_x chromosomes.
An autosomal dominant trait require only one allele.
Based on the pedigree, the genotype of the offspring are hH, hH and hH based on the genotype of the parents.
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How did richard neumann and vincenzo beltrone feel about the us government action during wartime?
Answers
Richard Neumann and Vincenzo Beltrone delay bad about the government during wartime as their freedoms weren't enjoyed.
What is freedom?It should be noted that freedom simply means the rights that are accorded to an individual
During this period, there were four essential freedoms which are:
Freedom of speech and expression.Freedom of every person to worship God his way.Freedom from want.Freedom from fear.During wartime, the fear was in the heart of millions of people. This was illustrated by both men.
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Which of the following is an example of a PHENOTYPE?
Answers
Answer:
Curly hair would be a type of phenotype
Explanation:
A phenotype is something you could inherit from someone in your family. Curly hair can be something that is maybe inherited throughout the generations.