Answer:
With decrease in pH of ocean water, the survival rate of corals, algae, and fish in coral reef reduces.
Explanation:
Coral reefs find difficulty in living in acidic ocean water. It is so because the coral’s shell that is made up of calcium carbonate is unable to sustain in acidic environment.
Not only this the skeleton of snails, clams, algae , fish etc is also made up of calcium carbonate. Increased acidity leads to death of these species.
Thus, the lower is the pH of ocean water, the higher is its acidity and hence the lower is the probability of survival of corals, algae, and fish in the coral reef
pH is among the limiting factors that might affect coral, algae and other species. A decrease in water pH causes an increase in acidity, which leads coral, algae, and fish in the coral reef to death.
What is the relationship between corals and algae?
Corals are translucid or white, but they look brightly colored because they host symbionts with colorful photosynthetic pigments . They can host different organisms that live on and among them, giving place to an amazing ecosystem.
One of these organisms is the photosynthetic unicellular microalgae, called zooxanteles. Corals provide shelter and protection to the algae, while algae provide nitrogenated nutrients, sugars, and color to the corals.
This symbiotic relationship allows corals to grow in different environments that are poor in nitrogen or other nutrients, such as the tropical clear waters.
What are the limiting factors of corals and algae?Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.
Some of these factors are water, temperature, pH, salinity, and radiation.
When changes in any of these factors occur, corals react to these changes losing these algae and becoming translucid again.
pH is a significant limiting factor for coral survival because their calcium-carbonated shell is sensitive to acidic environments.
When there is a decrease in oceanic pH, occurs an increase in water acidity, causing coral, algae, and other organisms death.
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An autopsy report for a deceased individual lists natural causes as the manner of death. Which is the most likely cause of death?
asphyxia
heart attack
blunt force trauma
sharp force trauma
Final answer:
The most likely cause of death listed under natural causes in an autopsy report is a heart attack. Heart attacks, or myocardial infarctions, occur due to the obstruction of blood flow in the coronary arteries, leading to the death of heart tissue.
Explanation:
When an autopsy report states that an individual died of natural causes, it usually refers to health issues that arise from within the body, not caused by external factors. In this context, the most likely cause of death would be a heart attack, which is the blockage of blood flow to heart muscle tissues potentially resulting in the death of cardiac muscle fibers.
Heart attacks fall under the category of coronary artery disease, which is the leading cause of death worldwide. This condition, called myocardial infarction, occurs when the buildup of plaque in the arteries obstructs blood flow, causing ischemia and subsequent death of cardiac tissues. In contrast, asphyxia, blunt force trauma, and sharp force trauma are typically considered unnatural causes of death and often result from external factors such as accidents, injuries, or violence, which do not align with the classification of natural causes.
Do more-complex organisms always have more chromosomes than simpler organisms do? How do you know?
Answer:
no
Explanation:
More complex organisms often have larger genomes, but there are some very complicated organisms with very small genomes and likewise some surprisingly simple organisms with very large genomes.
The complexity of an organism doesn't determine the number of chromosomes, therefore, more-complex organisms don't always more chromosomes than the simpler organisms.
Chromosomes refer to the thread-like structures that can be found in the nucleus of plant and animal cells. Every chromosome consists of protein and DNA.
The complexity of an organism doesn't determine the number of chromosomes than it'll will have. There are organisms that have one cell and have several chromosomes than more-complex organisms. Therefore, the number of chromosomes doesn't correlate with the complexity of the organism.
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WILL MARK BRAINLIEST!!!
Which are present when freezing rain occurs? SELECT TWO OPTIONS!!!
A. ice pellets
B. snowflakes
C. cold surfaces
D. liquid precipitation
E. warm temperatures
Answer: A and C
Explanation: Ice pellets fall from the sky and stick to cold surfaces
discuss the impact of the extinction of grasshopper in the ecosystem?
Which of the following explains when a recessive gene is passed on?
when a genetic mutation occurs
when the trait is in its second generation
when the father exhibits the recessiv
when both parents possess the recessive allele
Answer:
D) "when both parents possess the recessive allele"
Explanation:
explain in your own words, what a ring species is. How do adjacent populations interact throughout the ring
Final answer:
Ring species illustrate the process of speciation through geographical separation, where adjacent populations can interbreed around a physical barrier but the two end populations become so genetically distinct they no longer can, exemplified by the California salamander genus Ensatina.
Explanation:
A ring species is a fascinating demonstration of evolution in action, showcasing how populations of the same species can diverge genetically over geographical distances to the extent that they become distinct species. In essence, ring species provide a unique insight into allopatric and peripatric speciation, where populations are separated by geographic barriers. As these populations spread out, they form a ring around a physical barrier, interbreeding with adjacent populations throughout the ring. However, when the populations at the two ends of the ring meet, they are often no longer able to interbreed due to the significant evolutionary changes that have occurred, thereby fulfilling the criteria for being considered separate species. This scenario illustrates the continuous nature of population variation and the ambiguity in defining species boundaries. The California salamander genus Ensatina is often cited as an example of ring speciation.
which of the following images shows a transition from the biosphere to the geosphere?
Answer:
Image D
Explanation:
Marine plants and algae are a part of the biosphere while sediment is part of the Earth and the geosphere.
A transition from the biosphere to the geosphere is represented in the - D. image D.
The biosphere:
is one of the zones of the earth or the ecosystem that include all the living organisms present in the earth.It also includes all organisms that live in or on marine, air, and land.In this sphere living beings interact with one anotherThe Lithosphere or geosphere:
It is the outer rigid part of the earth that includes the upper portion of the mantle, crust, and outer part of the earth.It makes up to 60% of the earthIt is also called the geosphere.Interaction between both:
The geosphere provides water, and nutrients from soil and hydrosphere to the plants to the biosphere.after the death of the living organisms, they bury them in the soil that leads to the formation of sediments.Thus, A transition from the biosphere to the geosphere is represented in the - D. image D.
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what is the energy in electron- volts (eV) of a photon of green light that has a wavelength of 520nm? (1.0 m = 1.0 x 10^-9m)
a. 3.8 x 10^-19eV
b. 3.4 x 10^-40 eV
c. 2.4eV
d. 2.2 x 10^-21 eV
Answer: c not sure tho
Explanation:
There are 2000 Hydrilla individuals per square kilometer in a certain area of a body of
water. With this information you can determine a population's density.
O
A. True
O
B. False
Answer:true
Explanation:
Final answer:
The statement that there are 2000 Hydrilla individuals per square kilometer is true for determining population density.
Explanation:
The statement that there are 2000 Hydrilla individuals per square kilometer in a certain body of water allows us to determine a population's density. This is true, as population density is defined as the number of individuals per unit area. Different methods, such as life tables, mark and recapture, and quadrat sampling, can be used to estimate population size and density. In this scenario, the individual count of Hydrilla is given, and no further calculations are necessary to determine the population density, which is 2000 individuals per square kilometer.
What are food webs and food chains dependent on?
Answer:
a complex series of feeding relationships with many organisms interacting and depending on each other
Explanation:
Answer the following questions:
a. How many chromosomes does the tasmanian devil have in all? Are these the haploid or diploid?
b. How many pairs of chromosomes does the tasmanian devil have? Haploid or diploid?
c. The last pair of chromosomes are the _________. The previous pairs are called the _____.
d. If the tasmanian devil has ______, then it is a boy. If the tasmanian devil has ______, then it will be a female.
e. What would happen if a human had an extra chromosome? What is that called?
f. Could receiving extra chromosomes happen to the tasmanian devil? Why or why not? Use your past knowledge of important processes you have already learned about.
The following questions are answered below.
Explanation:
a. They have 14 chromosomes that occurs in 7 pairs which has X and Y sex chromosomes. They are diploid.
b. They have 7 pairs of chromosomes that includes X and Y sex chromosomes. They are diploid.
c. The last pair of chromosomes are the sex chromosomes. The previous pairs are called the autosomes.
d. If the Tasmanian devil has 14 chromosomes , then it is a boy. If the Tasmanian devil has 28 chromosomes , then it will be a female.
e. The one extra chromosomes are the egg or sperm that means three in fertilized egg. They are called as Trisomy.
f. The Tasmanian devil's will not get Down syndrome but some times there may be trisomy if there are three chromosomes instead of two.
Describe three ways to slow population growth
To slow population growth, we can improve resource use efficiency with technology, change behaviors to promote smaller families and reduced consumption, and redistribute resources more equitably. Achieving Zero Population Growth through maintaining a replacement fertility rate is key, yet requires ethical considerations and humane approaches.
Explanation:To address the question of how to slow population growth, three main strategies have been identified. Firstly, one can use technology to improve the efficiency of resource consumption, thereby reducing the overall ecological footprint per person. Secondly, efforts can be made to change behaviors that contribute to high birth rates and excessive consumption. Thirdly, there is the option to distribute resources more fairly to achieve a balance in consumption needs globally.
Targeting the replacement fertility rate is also essential for achieving Zero Population Growth (ZPG), which occurs when the birth rate equals the death rate. This ensures women have enough children to replace themselves and their partners without contributing to population growth. Adjusting policies and social incentives to encourage family planning and responsible parenting can advance this cause. However, regulation of population growth involves complex ethical considerations and must be approached with sensitivity to human rights and personal choices.
Effective population control may also implement contraceptives, education on family planning, and other reproductive health services widely and equitably. Considering the implications on environmental problems, the regulation of human population towards sustainable numbers could potentially alleviate the strain on natural resources.
Which of the following planets has very little atmosphere?
Answer:Mars, has a thin atmosphere composed of about 95 percent carbon dioxide
Explanation:The leading theory is that Mars' light gravity, coupled with its lack of global magnetic field, left the atmosphere vulnerable to pressure from the solar wind, the constant stream of particles coming from the sun.
Answer:
Explanation:
Mercury’s atmosphere containing oxygen (42%), sodium (29%), hydrogen (22%), helium
(6%), potassium (0.5%) and water vapor.
2. Venus
The atmosphere of Venus is one of the most chemically complex and dynamically active
planetary atmosphere in the solar system. The Venusian atmosphere consist of carbon
dioxide (95.5%), nitrogen (3.5%), sulfur dioxide (0.015%), argon (0.007%), carbon monoxide
(0.002%), helium (0.001%), neon (0.001%).
3. The Earth
The atmosphere of Earth is mainly composed of nitrogen (78.08%) and oxygen (20.95%).
The remaining part of the atmosphere divided into the permanent and the variable
constituents. The permanent constituents consist of the five noble gases, argon, neon,
helium, krypton and xenon also other materials such as carbon dioxide, hydrogen, methane,
nitrous oxide and radon. The variable constituents of the atmosphere are water, carbon
monoxide and ozone.
Which phrase describes members of the domain Eukarya, but does not describe any members of Bacteria or Archaea?
are multicellular
are unicellular
have cell walls
have a cell membrane
Answer:
They are multicellular
Explanation:
did the test
So sorry for being late ;/
Answer:
multicellular
Explanation:
took a test it as correct make me brainlyist answer please
What if a mutation occurred in the human insulin gene and the first codon was changed to CCG? Is
this a silent mutation? Explain how you know.
Yes, this will be a silent mutation.
Explanation:
The mutation which occurred in the human insulin gene where the first codon was changed to CCG will be a silent codon because this will not change the sequence of the amino acid and the amino acids formed will remain the same.
A silent mutation occurs due to base substitutions resulting in a change in the nucleotide that does not impact the amino acid or protein formed once the mRNA is translated. The protein will retains its functional aspects.
The point mutation occurs in only one base. Silent mutations are point mutations that code for the same amino acid as the original codon. In the exposed example, it is a silent mutation.
-----------------------
The mutation would still code for the same amino acid, meaning that it is a silent mutation.
When a change occurs in a single base pair, it is known as a point mutation.
Points mutations might be either silent, missense, or nonsense.
In silent mutations, the resulting mRNA codon codes for the same amino acid as the unmutated sequence. However, if the mutation causes the mRNA codon to code for a different amino acid, this mutation is a missense mutation. Finally, if the mutation causes mRNA codon to be a stop codon, we are referring to a nonsense mutation.In this example, the mutation is a point mutation, and the mutated base causes no change in the amino acid codification. So the protein remains the same.
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A gardener crosses a true-breeding tall tomato plant bearing red fruit with a true-breeding dwarf tomato plant with yellow fruit. In tomatoes, tall vine (T) is dominant to dwarf vine (t) and red fruit (R) is dominant to yellow fruit (r).
Predict the phenotypes and genotypes of the F1 generation.
Cross of true breeding dominant and recessive tomato plants will have:
Phenotype ratio in F1 generation is 4:0
genotype ratio in F1 generation is 4:0.
Explanation:
Data given:
Tall vine = dominant TT
dwarf vine = recessive tt
red fruit dominant RR
yellow fruit recessive rr
true breeding tall tomato plant bearing red fruit is TTRR
true breeding dwarf tomato plant bearing yellow fruit = ttrr
the cross is shown in punnet square:
TR TR
tr TtRr TtRr
tr TtRr TtRr
the phenotype ratio- 4:0
the genotype ratio - 4:0
The phenotype is tall vine with red fruit
Genotype is all the progeny are heterozygous dominant.
Answer:
9 tall vine/red fruit; 3 tall vine/yellow fruit; 3 dwarf vine/red fruit; 1 dwarf vine/yellow fruit (9:3:3:1)
Explanation:
I just took this test
The narrowest taxon in the Linnaean system is the genus, order, or species
Answer:
species.
Explanation:
Species < Genus < Family < Order < Class < Phylum < Kingdom
Climate models try to incorporate all the factors that impact Earth's global temperature as variables within the model.
A-True
B-False
Answer:A-true
Explanation:The answer is true because activities on earth influences the climate.
The central vacuole of a plant cell is damaged.
What function is most affected by the damage?
Answer: Storage of Water
Explanation:
Which of the following is not mechanical energy?
A. Kinetic
B. Chemical potential
C. Gravitational potential
D. Elastic potential
Answer:I think c
Explanation:
Final answer:
The option that is not mechanical energy is B, Chemical potential. Mechanical energy includes both kinetic and potential energy (such as gravitational and elastic), but not energy stored in chemical bonds, which is referred to as chemical potential energy.
Explanation:
The question asks which of the listed options is not mechanical energy. Mechanical energy can be either kinetic energy, which is energy due to motion, or potential energy, which is stored energy based on position. Potential energy can be of various types, such as gravitational and elastic. However, chemical potential energy is not considered mechanical energy as it is energy stored in the chemical bonds of substances. Therefore, the correct answer to the question would be option B, Chemical potential
what is the connection between a circadian rhythm and the biological clock
All cells of the body originate from one cell called the zygote. This cell will give rise to all the cells of the body. Based on your knowledge of mitosis and cell differentiation, which of the following statements must be true?
A. All the cells of the body have different parts of the DNA from the original cell.
B. All the cells of the body have the same DNA, but use different parts of it.
C. All the cells of the body are exactly the same as the original zygote cell.
D. All the cells of the body have pieces of the original cell’s organelles
Answer:
B
Explanation:
Different cells use different parts of the DNA strand to perform their functions
Answer: B
Explanation: How does a complex organism such as a human develop from a single cell—a fertilized egg—into the vast array of cell types such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, the process of cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions. All the cells of the body have the same DNA, but use different parts of it.
Euglena will most likely act as consumers when place in an environment that has:
Euglena will act as consumers when there are other organisms for them to eat, and they can also act as primary producers through photosynthesis.
Explanation:Euglena will act as consumers when placed in an environment that has other organisms for them to eat. They can consume other organisms through phagocytosis or absorb solutes from their aquatic environment. Euglena can also act as primary producers by photosynthesizing and using sunlight to synthesize carbohydrates.
Plz help! I will give out BRAINLIEST for best answer
Answer:
===>
Explanation:
Phenotype: Long haired Husky
Genotype possibilities: LL, LL, Ll ,Ll
Probability that offspring is a dwarf: 50%
^ just fill in the punnet square
Which of the following results from cutting down trees?
A. Reduced fish populations
B. Increased cooling
C. Reduced sediment flow
D. Increased erosion
Answer:
D
Explanation:
vegetation on soil protects the soil from erosion because its root hair help bind the soil particles together.
The following results from cutting down trees is Increased erosion.
What are the consequences of deforestation?Consequences of deforestation
Habitat degradation: the removal of vegetation destroys the habitat of several species, which can even lead them to extinction.Erosion: the removal of vegetation also leaves the soil more exposed to the action of the sun, wind and rain, which can trigger its degradation process.The main consequence of deforestation is linked to the environmental imbalance caused by the loss of native vegetation. The removal of vegetation causes a great loss of biodiversity as well as the loss of habitat for animals and plants, and also directly impacts the increase in the number of endangered species.
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Which of the following is one stage of the cell cycle?
Cytoplasm
Cellular respiration
Interphase
Photosynthesis
Answer:
If it is a plant cell it will be photosynthesis. but if it is a animal cell it will be cellular respiration.
Explanation:
If it were up to me i would choose cellular respriation because plant and animals cells both go through it though photosynthesis is the main stage of a plant cell.
Hope this helps
Interphase is stage of the cell cycle.
What is interphase ?
Interphase is the longest phase of the cell cycle which show three sub phases and one checkpoint at each stage.
G₁ phase the cell size increases and becomes double, the raw material for DNA synthesis occur like mRNA and proteins
S phase where the replication of DNA takes place and amount of DNA become double, evenly distributed between daughter cells.
G₂ phase where the cell continues to grow and synthesize proteins. cell prepare itself to move in mitotic phase so it can divide.
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The carbon cycle is a cycle among the carbon reservoirs.What is a carbon reservoir and what are some examples?
Answer:
Explanation:
The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels)
A carbon reservoir is a location or a natural process that stores or releases carbon. The carbon cycle describes the movement of carbon between these reservoirs over time.
What is carbon cycle?The carbon cycle is the exchange of carbon between the Earth's atmosphere, land, ocean, and living organisms.
Carbon can be stored in a variety of reservoirs, such as:
The atmosphere is the world's largest carbon reservoir, containing carbon in the form of carbon dioxide (CO2).
The ocean is a major carbon reservoir because marine organisms use dissolved CO2 in the water during photosynthesis.
Soil: Because it contains organic matter from dead plant and animal material, soil is a significant carbon reservoir.
Fossil fuels: Carbon reservoirs such as coal, oil, and natural gas formed over millions of years from the remains of dead organisms.
Thus, these are the carbon reservoirs.
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These parallel scratches were most likely caused by
Ocean waves
Running water
Wind
Or Glacier ice
Answer:
Glacier ice
Explanation:
It looks like it has scratches that came from ice.
genomic imprinting does not actually involve a change in the genetic sequence of an inherited gene
true or false
Answer:
It should be true! :)
Explanation:
Genomic imprinting is a true epigenetic process that alters gene expression without changing the genetic sequence, often by adding methyl groups to DNA. It results in the selective expression of alleles based on parental origin and is reset in gametes.
The statement that genomic imprinting does not actually involve a change in the genetic sequence of an inherited gene is true. Genomic imprinting is an epigenetic process where the expression of genes is altered without modifying the DNA sequence. This process entails the addition of methyl groups to certain DNA bases, which affects how genes are expressed depending on whether the allele was inherited from the male or female parent. In most cases, this results in the silencing of one parent's allele, allowing only the other parent's allele to be expressed. Imprinted genes can vary in their effect, with some influencing growth and development.
Despite both sons and daughters receiving this epigenetic information, it is erased before the next generation of gametes (sperm or eggs) are formed, ensuring that each individual can reset the epigenetic marks according to their own gender and pass on their own unique pattern of imprinting. The phenomenon of imprinting demonstrates that not all inherited traits are strictly encoded in the gene's nucleotide sequence; some inheritable information is epigenetic.
Predict how each environmental condition—normal, windy, warm, and humid—might
affect the rate of plant transpiration. Rank the conditions from the lowest rate to the
highest rate, with number 1 being the lowest and number 4 being the highest.
Answer:
1) Normal
2) Warm
3) Windy
4) Humid