Biomagnification is... concentration of a contaminant stays the same as you move to higher trophic concentration of a contaminant increases as you move to higher trophic level concentration of a contaminant increases as an individual grows concentration of a contaminant stays the same as an individual grows
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Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.
To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.
Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.
Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.
It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.
Explanation:
Related Questions
18. l
Describe an
example of when land reclamation may be
needed on a beach.
****
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Land reclamation on a beach may be necessary for various reasons, including to combat erosion, create new land for development, or protect coastal areas from flooding. An example of when land reclamation may be needed on a beach is when the shoreline is eroding at a rapid pace, threatening the homes and infrastructure built along the coast.
In such a scenario, the beach can be reinforced with various methods such as building a seawall, planting vegetation, or placing large rocks along the shoreline. However, if the erosion continues to worsen, more drastic measures such as land reclamation may be necessary.
Land reclamation involves adding sand, sediment, or other materials to the beach to widen the shore and create a buffer zone between the water and infrastructure. This can involve pumping sand from offshore or trucking in sand from other locations. By creating a wider beach, the force of waves and storms can be absorbed, reducing the impact of erosion on the shoreline.
Overall, land reclamation on a beach is a technique used to protect coastal areas and their infrastructure from the damaging effects of erosion and rising sea levels.
Where in the chloroplast is chlorophyll found?
In the stroma.
Inside the thylakoid inner space (lumen).
Embedded in the thylakoid membranes.
In the Calvin cycle.
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Answer:
The answer would be Embedded in the thylakoid membranes.
Explanation:
The green pigment chlorophyll is located within the thylakoid membrane, and the space between the thylakoid and the chloroplast membranes is called the stroma
Water, air, and sunlight are examples of _____
A organisms
B renewable resources
C nonrenewable resources
D pollution
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Answer: B. Renewable resources
Explanation:
A renewable resource is a resource that will replenish and replace portions of it that are depleted by usage/consumption.
They can provide a continuous source as they replenish in a finite amount of time.
These are all examples of renewable resources.
How many species are found in a community?
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anti-human antibodies (specific for human igg antibodies) with fluorescent molecules covalently attached are used for:
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Using anti-human antibodies (specific for human IgG antibodies) with fluorescent molecules covalently attached are for the detection and quantification of human IgG antibodies in biological samples.
The detection and quantification of human IgG antibodies in biological samples is commonly done in diagnostic tests, such as ELISAs and flow cytometry, to diagnose and monitor diseases and immune responses in patients. The fluorescent molecules allow for easy visualization and quantification of the target antibodies. The presence of human IgG antibodies in various applications, such as immunoassays, flow cytometry, and immunofluorescence microscopy.
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Provide examples For the words highlighted.
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Answer: Ecology - the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Evolution - the process by which new species or populations of living things develop from preexisting forms through successive generations
Organism - an individual animal, plant, or single-celled life form.
Population - all the inhabitants of a particular town, area, or country.
Community - a group of people living in the same place or having a particular characteristic in common.
Ecosystem - a biological community of interacting organisms and their physical environment.
Biosphere - the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Habitat - A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive.
Biotic factor - A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae.
Abiotic factor - An abiotic factor is a nonliving part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water.
Optimal range - Optimal ranges are evidence-based ranges that are associated with the lowest risk of disease and mortality.
Zones of physiological stress- Regions flanking the optimal zone, where organisms can survive but with reduced reproductive success.
Zones of intolerance - Outermost regions in which organisms cannot survive (represents extremes of the limiting factor)
Which cell structure acts like a building frame because it provides support for the cell? A: cell wall. B: Cell membrane. C: DNA. D: nucleus
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Answer: The correct answer is the letter B. Cell membrane.
Explanation: Cell membranes are present in both plants and the animal cell where it provide structural support and protection. The cell wall is only present in plant cells where it provides strength and protection against osmotic pressure. The nucleus works like the cell's control center and regulates cell activities. It is also where the cell's DNA is located.
Cells that have lots of gap junctions must have which of the following properties? Pick one answer
A. They must be able to resist large amounts of shearing forces.
B. They must be able to communicate with each other very rapidly.
C They must be able to form a barrier.
D. They must be able to recycle chemicals that they have released.
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Answer:the correct answer is c because they must form a barrier to prevent the gaps from interfiering with bonding with atoms.
Explanation:
Answer:
Gap junctions are specialized channels that allow direct communication and transfer of small molecules and ions between adjacent cells option A is the correct answer
Explanation:
Gap junctions are composed of connexin proteins that form hexagonal channels, also known as connexons, in the cell membranes of adjacent cells. The connexons of two neighboring cells come together to form a gap junction, creating a direct pathway for communication between the two cells.
Research on gap junctions has led to the development of drugs that can modulate their function, which may have therapeutic applications for various diseases. Additionally, advances in imaging techniques have allowed for the visualization of gap junctions in live cells, providing insights into their structure and function.
In conclusion, gap junctions play a crucial role in intercellular communication, and their study has led to important insights into various physiological processes and disease mechanisms. Further research on gap junctions may lead to the development of new therapeutic approaches for various diseases.
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Summarize the functions of the vertebral column
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Answer:
function of vertebral columnExplanation:
The major function of a vertebral column is to protext the spinal cord,it also provides stiffening for the body and attachment for the pectoral and pelvic girdle and many muscles. In human an additional function is to transmit body weight in walking and standing.
Did lungs first evolve in tetrapods (the first land-dwelling vertebrates)?
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No. Lungs first evolved in fish, long before the emergence of tetrapods, as an adaptation to low-oxygen environments.
Lungs first evolved in fish, specifically in the bony fish lineage, before the emergence of tetrapods. Fish developed lungs as an adaptation to low-oxygen environments, such as stagnant ponds or swamps, which they inhabited. These primitive lungs were simple sacs that allowed fish to gulp air from the surface, extracting oxygen from the air and supplementing their gill respiration. Over time, lungs evolved to become more complex and efficient, and in some fish, such as lungfish, the lungs are the main respiratory organs. When tetrapods emerged and evolved to live on land, they adapted their lungs to breathe air more efficiently, but the basic respiratory mechanism was already present in their fish ancestors.
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Explain how engineering advances have led to scientific discoveries about the moon.
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Answer:
advances in optics leading to the develupment of the hubble telloscope
Explanation:
Also advances in lunar drone for more discoveries and creation of space crafts and rockets
leaf-cutter ants cultivate fungus. the ants keep conditions optimal for fungus growth and carry leaf fragments for the fungus to grow on. then the ants feed on pieces of the fungus. which kind of relationship exists between the fungus and the ants?(1 point) responses consumer/producer consumer/producer predator/prey predator/prey symbiotic symbiotic parasite/host
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The kind of relationship that exists between the fungus and the ants is symbiotic relationship. Leaf-cutter ants cultivate fungus. The ants keep conditions optimal for fungus growth and carry leaf fragments for the fungus to grow on. Then, the ants feed on pieces of the fungus.
The ants and the fungus have a relationship in which both of them receive benefits. The ants are provided with food, while the fungus gets nutrients from the ants' feces. This relationship is called mutualism, a symbiotic relationship in which both parties benefit from each other. The ants are farmer and caretakers of the fungus, which they use to feed their colonies.
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What is true of an "Autotroph" ?
A) Feed on another organism
B) Are consumers
C) Needs another food supply
D) Gets it's energy from non-living resources.
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Answer:
D gets it's energy from nonliving resources
Answer:
D) Gets it's energy from non living resources
Example: Plants
what happens if there is a defect in only one of the four enzymatic steps of the urea cycle? the defect will not result in any change until multiple enzymes in the urea cycle are affected. the defect will not result in any change unless carbamoyl phosphate synthetase is also affected. the defect results in hyperammonemia, which is an elevated blood nh4 level. the defect results in hyperammonemia, which is an elevated blood nh4 level.
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Defects in any of the enzymatic steps in the urea cycle can cause C. These defects cause hyperammonemia, which is an increase in the blood level of NH4.
The urea cycle is part of the nitrogen cycle, namely the conversion of ammonia to urea. In mammals the urea cycle occurs in the liver, the urea product is excreted by the kidneys.
Enzymatic failure at any stage of the urea cycle can be fatal, because there is no other mechanism in the body that can eliminate the toxic properties of ammonia other than being converted into urea. Enzymatic failure of the urea cycle causes symptoms of hyperammonemia, liver damage, mental disability and death.
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Sexual reproduction is dependent upon?
A)only sperm cells
b)only egg cells
c)sex cells
d)somatic cell
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___________________ homology includes amino acids and DNA sequencing, while homology includes features that are similar in their anatomy
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Molecular homology includes amino acids and DNA sequencing, while anatomical homology includes features that are similar in their anatomy. Homology refers to the characteristic of having a common ancestry or evolutionary origin.
This characteristic can be found both at the anatomical and molecular levels. Homology is the phenomenon where different living organisms have a similar anatomical structure or molecular sequences due to their descent from a common ancestor. Homology is one of the fundamental concepts in evolutionary biology, and it's crucial to understand the evolutionary relationships between different organisms. Anatomical homology refers to the structural similarity between different species, which indicates that they share a common ancestor. Examples of anatomical homologies include the similar bone structure of the limbs in different species, such as human arms, bat wings, and whale fins. Molecular homology refers to the similarity between organisms' molecular sequences. Molecular homology includes amino acids and DNA sequencing,
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what is made of monomer
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Answer:
Carbohydrates, lipids, protein, nucleic acid
Explanation:
which of the following is not a common storage site in the body for iron?
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The brain is not a common storage site in the body for iron.
Where is iron located?Iron plays an integral role in maintaining overall health and wellness throughout our bodies. However contrary to popular belief our brains aren't typically used as major storage sites for this vital nutrient. Instead other organs like the liver and spleen take on this responsibility while also working to regulate levels accordingly.
Even though small amounts of iron may be present elsewhere throughout our bodies' tissues the importance of these critical storage locations cannot be overstated when it comes to maintaining optimal health outcomes over time.
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Complete question:
Which of the following is NOT a common storage site in the body for iron? A) Brain. B) bone marrow. C) spleen. D) liver.
Do you believe that some people have extrasensory perception (ESP)? Why or why not?
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Answer: Many people believe in extra-sensory perception, e.g. the ability to communicate with thoughts, to sense future events or locate radiation with the help of a V-shaped piece of wood. A majority of Americans - 57% - say they believe in psychic phenomena such as ESP (Extra Sensory Perception), telepathy or experiences that can’t be explained by normal means.
Explanation:
The frequency of a wave does not change as it passes from one medium to another. What will most likely happen if a light wave moves from the air into a solid? The wavelength of the light wave will increase. The speed of the light wave will decrease. The wavelength of the light wave will remain the same. 0 The speed of the light wave will remain the same.
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Answer:
I think the answer is B. The speed of the light wave will decrease.
Explanation:
Light waves travel fastest in empty spaces, and slowest in solids.
I hope this helps!
Answer:
B. The Speed Of The Lightwave Will Be Modified As It Enters Another Medium (State Of Matter)
Explanation:
Got it right on edge
Three of the four main stages of the cell cycle occur during which phase of mitosis?
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Answer:
metaphase, anaphase, and telophase.
Explanation:
A student wanted to determine what concentration low, medium, or high of a chemical released from brown algae prevented coral larvae from settling and growing on the algae. Each concentration level of the chemical from one brown alga was added to the water Percent of Larvae Settled of each tank. Tank size, water temperature, and algae species were held constant. A different number and species of larvae were dropped into each tank. After three days, the percent of settled larvae for each concentration of inhibiting chemical was found.
1. Evaluate What are the design flaws in this experiment?How would you change the experiment to make the results more valid?
2. Analyze The student concluded that at all levels the inhibiting chemical affected the rate of settlement of marine larvae. Is this an accurate conclusion based on the data collected? Explain.
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The described experiment contains a number of design issues. The key problems are a lack of a control group, a small sample size, limited replication, and lack of randomization in 0ther words, the experiment should include a control group, be replicated, have the assignment be random, and have a larger sample size to ensure the results are more reliable.
The flaws in the experiment and the analysisThe experiment described has several design flaws that impact the validity of the results. The major flaws include the absence of a control group, limited sample size and replication, lack of information about the inhibiting chemical, and no randomization. To improve the validity of the results, the experiment should include a control group, increase the sample size and replication, randomize the assignment of larvae, provide information about the chemical, and follow standardized protocols.
Based on the information provided, it is not possible to accurately conclude whether the inhibiting chemical affected the settlement rate of marine larvae at all concentration levels. Without a control group and proper statistical analysis, it is difficult to determine the specific impact of the inhibiting chemical.
A comparison between the settlement rates observed in the presence of the inhibiting chemical and those in the control group, along with appropriate statistical tests, is necessary to make an accurate conclusion. Further analysis, such as effect sizes and confidence intervals, would provide a more comprehensive understanding of the relationship between the inhibiting chemical and larval settlement rates.
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What types of organism (nutritional processing method) comprise a lichen?
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Answer:
below
Explanation:
A lichen is a composite organism that arises from a mutualistic association between a fungus and an alga or a cyanobacterium. The fungal component of the lichen is called the mycobiont, while the algal or cyanobacterial component is called the photobiont.
The photobiont is photosynthetic and provides organic compounds to the mycobiont, while the mycobiont provides a protected environment and absorbs nutrients and water from the surroundings. This mutualistic relationship allows lichens to survive in a wide range of environmental conditions, including areas where neither the fungus nor the photobiont could survive alone.
Therefore, the nutritional processing method of a lichen is a combination of photosynthesis by the photobiont and absorption of nutrients and water by the mycobiont.
A lichen is a composite organism that consists of a fungus and an alga or a cyanobacterium living in a mutualistic relationship.
The nutritional processing method in lichens is known as symbiosis, where the fungus provides a protective environment and absorbs water and nutrients for the alga or cyanobacterium, while the photosynthetic partner provides energy-rich organic compounds for the fungus. This unique nutritional strategy allows lichens to grow in harsh and nutrient-poor environments, making them important pioneer species in ecological succession.
The fungal partner provides structural support and protection, while the photosynthetic partner provides organic compounds through photosynthesis. Lichens are typically classified based on the fungal partner, and the nutritional processing method of the fungal partner is heterotrophic, meaning it obtains its nutrients from other organisms. However, the photosynthetic partner in the lichen provides organic compounds through photosynthesis, allowing the fungal partner to indirectly obtain nutrients. So, lichens can be considered as mixotrophic organisms.
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mention three benefits of being able to effectively communicate with your teachers
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Answer:
1. if you are struggling with a concept/assignment/etc. you can easily get help
2. If you have a religious belief/IED/etc to not be able to do an assignment you can easily find ways to work around this and find alternative assignments
3. being able to communicate with a teacher if you have a 504 plan can be helpful as the teacher may need to know something about the reason for the 504 plan to better help you
What is a pedigree? Please choose the correct answer from the following choices, and then select the submit answer button.
a) a tool to document harmful traits only
b) a type of family tree that can help answer questions about genes and their inheritance patterns
c) a cross between animals other than humans
d) a type of genetic test to determine probability of inheritance
e) a way of following genotypes that are the same as the phenotype
Answers
Answer:
b
Explanation:
A pedigree is a genetic representation of a family tree that diagrams the inheritance of a trait or disease though several generations
Answer:
B
Explanation:
What threatens the existence of a chimpanzee species?
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Answer:
The primary threats to chimpanzees are habitat destruction, hunting, and disease. The increasing human population is encroaching ever deeper into even protected areas of chimpanzee habitats, and large scale logging is now a major threat to the forest primates of Africa.
Explanation:
Answer:
* Habitat destruction
* Hunting
* Disease
A negative feedback system is used until the blood ____________ and osmolarity return to normal levels.
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A negative feedback system is used until the blood volume and osmolarity return to normal levels.
A negative feedback system is a biological mechanism that helps to maintain homeostasis by counteracting any deviation from the normal set point.
In the context of blood regulation, a negative feedback system is utilized to regulate blood volume and osmolarity.
When there is an increase in blood volume and osmolarity due to dehydration or excess salt intake, the body responds by activating the hypothalamic-pituitary-adrenal axis (HPA axis) to release antidiuretic hormone (ADH) from the posterior pituitary gland.
ADH acts on the kidney tubules to reabsorb water, thus decreasing urine output and increasing blood volume.
Once the blood volume and osmolarity return to normal levels, the negative feedback system is turned off, and ADH secretion decreases, leading to increased urine output and a return to normal blood volume and osmolarity.
Therefore, the answer to the question is that a negative feedback system is used until the blood volume and osmolarity return to normal levels.
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Do convection currents of thermal energy form in Earth’s crust?
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Am I correct?
*CORRECT ANSWERS BELOW ONLY PLEASE*
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Describe an approach for understanding global systems and the changes they undergo.
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To understand the global systems and the changes they undergo in a better way, we can use a model to represent the various ecological processes that occur within the biosphere. One example of a model that we can use is the earth systems model.