the chief concern among conservation biologists trying to protect small populations is:
Answers
Conservation biology is the scientific field dedicated to the conservation of biodiversity, which is the study of the preservation of species, habitats, and ecosystems.Conservation biologists are concerned with preserving the biodiversity of small populations.
In order to safeguard biodiversity, the chief concern among conservation biologists trying to protect small populations is to maintain genetic diversity.The preservation of biodiversity in small populations is critical, and genetic diversity is the most important component of biodiversity. Genetic diversity is the measure of how much genetic variation exists within a population. A small population has fewer genes than a larger population, which can result in inbreeding and a higher incidence of deleterious recessive alleles.
This may lead to inbreeding depression, which is a reduction in the fitness of a population that results from mating between close relatives.In small populations, genetic drift can have a significant impact. Genetic drift is the random change in gene frequencies that occurs due to chance events such as mutations, genetic drift, and migration. Genetic drift can result in the loss of rare or unique alleles. The loss of genetic diversity reduces the adaptability of the population to environmental changes, increasing the likelihood of extinction.To conclude, the chief concern among conservation biologists trying to protect small populations is maintaining genetic diversity in order to safeguard biodiversity and increase the population's adaptability.
To know more about genetic drift visit:-
https://brainly.com/question/30767483
#SPJ11
Related Questions
What does cell fractionation allow a scientist to study?
Answers
Answer:
Cell fractionation allows to study the different parts of a cell in isolation.When the organelles have been isolated, you can see which organelles make the most energy.
Answer:Cell fractionation is a procedure for rupturing cells, separation and suspension of cell constituents in isotonic medium in order to study their structure, chemical composition and function. Cell fractionation involves 3 steps: Extraction, Homogenization and Centrifugation.
Explanation:
what is the first one ? and what is the second one ?
Answers
ff- mother
i am pretty sure just learned it like 3 yrs ago if not then its the opposite
The best method to reduce the threat of overfishing would be to . The risk of oil spills could be reduced by increasing the use of , which should help oil consumption. If an oil spill does occur, could be used to help remove the oil so the ecosystem may more quickly recover.
Answers
Answer:
The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species. The risk of oil spills could be reduced by increasing the use of renewable energy sources , which should help decrease oil consumption . . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.
Explanation:
African penguins, which inhabit the coasts of southern Africa, were classified as an endangered species in 2010. Two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. Overfishing depletes the food supply of African penguins.
The best method to reduce the threat of overfishing would be to____
1. Construct a corridor to connect penguins and fish
2. Limit the harvest of particular fish species
3. perform a population survey on several fish species
The risk of oil spills could be reduced by increasing the use of
1. Natural resources
2. Renewable energy sources
3. Nonrenewable energy sources
, which should help______ oil consumption
1. Increase
2. Decrease
. If an oil spill does occur, __________ could be used to help remove the oil so the ecosystem may more quickly recover.
1. Bioremediation
2.reforesation
3. recycling
Overfishing can be prevented by formulating policies to limit the harvest of fishes on the basis of species they belong to.
Opting for renewable energy, such as solar or wind energy, would greatly reduce the dependence on non-renewable energy sources such as fossil fuels. Reduction in oil dependence will in turn reduce the risk of oil spillage into the environment. as well as reduce oil consumption.
Spilled oil can be removed from the ecosystem by relevant bioremediation processes. Bioremediation involves the use of biological species to clean up pollutants (such as spilled oil) from the environment.
Answer:
blank 1- limit the harvest of particular fish species
blank 2- renewable energy sources
blank 3- decrease
blank 4- bioremediation
The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species. The risk of oil spills could be reduced by increasing the use of renewable energy sources , which should help decrease oil consumption . . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.
Explanation:
What is competition? Give example
Answers
Answer:
Competition is a relationship between organisms that strive for the same resources in the same place. ... Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.
Hope it helps!!!
The first cavity formed during frog development is the ______. A. blastopore B. mouth C. blastocoel D. anus
Answers
During frog development, the blastocoel is the first cavity to form. The zygote's cytoplasm is split into a variety of cells, known as blastomeres, during cleavage.
The embryo, which is a ball of cells around a fluid-filled cavity known as a blastocoel by the time cleavage is complete, is known as a blastula. Frog sperm from a male fertilizes a female's eggs, which she lays in the water. The ensuing zygote undergoes embryonic development to become a free-living tadpole, which later undergoes metamorphosis to become an adult frog, for example, by losing its tail due to programmed cell death, or apoptosis. It has been discovered that the initial cleavage furrow is where the blastocoel first formed.
Learn more about blastocoel here:
https://brainly.com/question/13154012
#SPJ4
The stage of meiosis where the chromosomes do not move apart equally and cause chromosomal abnormalities is
Answers
Answer: anaphase
Explanation: Nondisjunction can occur during anaphase of mitosis, meiosis I, or meiosis II. During anaphase, sister chromatids (or homologous chromosomes for meiosis I), will separate and move to opposite poles of the cell, pulled by microtubules
Hope this helps :)
Which types of rocks can become metamorphic rock?
both igneous and metamorphic rock
both igneous and sedimentary rock
clastic sedimentary rock
clastic or chemical sedimentary rock
Answers
Answer: Your answer is ''Both igneous and sedimentary rock.''
Explanation: They both can form underground and at the surface.
Answer:
B
Explanation:
As the stomach contents enter the duodenum, their low pH stimulates endocrine cells in the lining of the duodenum to secrete the hormone secretin. In response, secretin stimulates the pancreas to release bicarbonate ions into ducts leading to the duodenum. Is this an example of a positive or negative feedback loop? Explain.
Answers
The statement "As the stomach contents enter the duodenum, their low pH stimulates endocrine cells in the lining of the duodenum to secrete the hormone secretin. In response, secretin stimulates the pancreas to release bicarbonate ions into ducts leading to the duodenum" is an example of a negative feedback loop.
What is a feedback loop?A feedback loop is a process in which the product or output of a procedure affects the input or method's response. It happens when a change in one aspect of the system causes a reaction that causes adjustments in a different component of the system, resulting in a chain reaction that can continue until the system reaches a steady state.
A negative feedback loop is one in which a change in a variable results in a response that counters or opposes the original modification. As the name implies, negative feedback aims to reduce changes in the internal and external environment to maintain equilibrium. For example, the human body uses negative feedback loops to maintain a constant body temperature.
A low pH is caused by the stomach contents entering the duodenum, which stimulates endocrine cells in the duodenum lining to secrete the hormone secretin. This hormone causes the pancreas to release bicarbonate ions into ducts leading to the duodenum, as stated in the statement. The bicarbonate ions inactivate the acidic content of the stomach, making the pH of the duodenum rise and reach a neutral level. As a result, the secretion of secretin is decreased, and the body's pH level is maintained in the correct range.
Learn more about feedback loop: https://brainly.com/question/29189523
#SPJ11
How do sensory receptors send messages to the brain?
Via heart cells
Via muscle cells
1
2
Via motor neurons
3
Via sensory neurons
4
Answers
Answer:
4
Explanation:
How do (sensory) receptors send messages to the brain?
Via (sensory) neurons
when dna is being synthesized, if we consider that a replication fork moves at a rate of 1000 bases per second, how many revolutions per minute (rpm) must the dna ahead of the replication fork turn given that there are 10 bp per turn? watch your units; rpm means revolutions per minute.
Answers
when dna is being synthesized, if we consider that a replication fork moves at a rate of 1000 bases per second, how many revolutions per minute (rpm) must the dna ahead of the replication fork turn given that there are 10 bp per turn rpm means revolutions per minute are 6000
We must first need to determine the number of spins made in a minute in order to compute the revolutions per minute (RPM) of the DNA prior to the replication fork.
The replication fork moves 60 seconds * 1000 bases/second, or 60000 bases, in a minute because it moves at a speed of 1000 bases per second.
Given that there are 10 bases every turn, there are 6000 turns made in a minute, or 60000 bases divided by 10 bases per turn.
Therefore, the DNA's RPM just before the replication fork is 6000 twists per minute.
To know more about replication click here:
brainly.com/question/13685752
#SPJ4
2 3 4 Mark this and return H G 5 Which organelle is labeled I? F 10 Mitili A Save and Exit DELL B E C Next 57:10 Submit Sign out
Answers
In the provided diagram, where the organelle labeled "I" is the chloroplast, it signifies the presence of a crucial organelle within plant cells.
Chloroplasts are unique and essential structures responsible for the process of photosynthesis. This intricate process allows plants to convert light energy from the sun into chemical energy in the form of glucose, while also releasing oxygen as a byproduct.
Chloroplasts possess a distinctive double membrane structure. The inner membrane surrounds the stroma, a semi-fluid matrix containing enzymes, DNA, and ribosomes. Within the stroma, a system of interconnected membranous sacs called thylakoids is present. These thylakoids are organized into stacks called grana, and they contain the pigment chlorophyll.
Chlorophyll is the key player in photosynthesis as it absorbs light energy. When light is absorbed, chlorophyll initiates a series of chemical reactions in the thylakoid membranes, resulting in the conversion of light energy into chemical energy.
This energy is used to generate ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are crucial for the synthesis of glucose.
Overall, chloroplasts are key organelles that enable plants to capture and convert sunlight into energy-rich molecules, ultimately sustaining life on Earth.
Their structural organization, containing chlorophyll and facilitating photosynthesis, illustrates the remarkable adaptation of plants to their environment and their vital role in global ecosystems.
Know more about Chloroplasts here:
https://brainly.com/question/1741612
#SPJ8
The complete question is :
Consider this plant cell.
Which organelle is labeled I?
Jill is doing an experiment on the movement of pill bugs she will place the pill bugs on flat surfaces covered with different materials to see how the texture of each material affects the bugs movement how can you use her imagination in this experiment A to replicate another student's procedure exactly B to think of different kinds of materials to use C to carefully record the results as they happen D to follow the steps of the procedure precisely
A. B. C. D. what do you think
Answers
Answer:
b
Explanation:
i got it right with my answer on apex
Jill can use her imagination by thinking of different kinds of materials to be utilized in this experiment. Thus, the correct option is B.
What is an Experiment?An experiment may be defined as a specific arrangement of instruments, scientific methodology for an event and make a discovery, test a hypothesis, or demonstrate a known fact.
Jill wants to illustrate how the texture of each material affects the movements of bugs. So, she required different kinds of materials in the demonstration of her experiment.
Therefore, the correct option for this question is B.
To learn more about Scientific experiments, refer to the link:
https://brainly.com/question/17274244
#SPJ2
all peptide hormone synthesis requires gene activation that produces mrna (true/false)
Answers
True. All peptide hormone synthesis involves gene activation, leading to the production of mRNA. Peptide hormones are synthesized as large precursor molecules known as preprohormones, which are cleaved into smaller prohormones and eventually into mature hormones.
The synthesis and secretion of these hormones are tightly regulated, with the gene activation being a crucial step in the process. Once the gene is activated, mRNA is transcribed from the DNA template, which is then translated into the protein precursor of the hormone. The precursor undergoes further processing and modification before being secreted as a mature hormone.
Peptide hormone synthesis generally requires gene activation to produce mRNA. This is because peptide hormones are typically synthesized by ribosomes that translate mRNA transcripts produced from genes. The genes for peptide hormones are usually activated in response to specific physiological stimuli, such as stress or changes in blood glucose levels, which trigger the release of signaling molecules that activate intracellular signaling pathways. These signaling pathways lead to changes in the activity of transcription factors that bind to specific DNA sequences in the regulatory regions of the hormone genes, leading to the activation of transcription and the production of mRNA. Once synthesized, the mRNA is transported to ribosomes, where it is translated into the peptide hormone by the process of protein synthesis.
To know more about DNA
brainly.com/question/264225
#SPJ11
What the answers to this question
Answers
Answer:
A
Explanation:
Alde
an estimated 70% of cases of foodborne illness are either undiagnosed or misdiagnosed because they are caused by , which are difficult to detect. multiple choice question. fungi bacteria viruses bacteria
Answers
70% of cases of foodborne illness are either undiagnosed or misdiagnosed because they are caused by Bacteria.
Bacteria is one of the main causes of foodborne illness, and it is estimated that 70% of these cases are either undiagnosed or misdiagnosed due to the difficulty in detecting bacteria in food. Bacteria can be spread through contaminated food and water, and can cause a wide range of symptoms ranging from stomach pain to vomiting and diarrhea.
There are a variety of methods used to detect and identify bacteria in food, including culture testing and nucleic acid amplification tests. In order to prevent foodborne illnesses, it is important to ensure that food is properly stored, handled, and cooked in order to prevent the growth and spread of bacteria. Additionally, if someone suspects they have contracted a foodborne illness, they should seek medical help and be tested for bacteria.
To know more about Bacteria click on below link:
https://brainly.com/question/8008968#
#SPJ11
One of the major advantages of transforming bacteria with a plasmid that contains DNA of interest is to amplify the DNA. What other laboratory technique can be used to achieve the same result
Answers
Polymerase Chain Reaction (PCR) is another laboratory technique that can be used to amplify DNA of interest.
Polymerase Chain Reaction (PCR) is one of the most important techniques in molecular biology. It is widely used for amplifying a specific DNA sequence. PCR can be used to generate a large number of copies of a DNA segment from a small amount of DNA. PCR is a simple, rapid, and highly sensitive technique for DNA amplification.
PCR uses a thermostable DNA polymerase enzyme, such as Taq polymerase, to catalyze the synthesis of new DNA strands. PCR can amplify a DNA sequence up to a billion times in just a few hours. PCR has many applications in molecular biology, such as gene cloning, DNA sequencing, and gene expression analysis. PCR is a valuable laboratory technique for amplifying DNA of interest in a specific manner without the use of bacteria.
Learn more about gene cloning here:
https://brainly.com/question/16931107
#SPJ11
Proper segregation of plasmids into daughter cells may incorporate which of the following strategies?
(choose appropriate response(s)
A. Random partitioning due to high copy number
B. Polymerization of a filament that binds to, and physically separates plasmids
C. Post-segregational killing via toxin / antitoxin system
D. Handcuffing
Answers
The required reactions for plasmids to properly segregate into daughter cells might be:
B. Polymerization of a plasmid-binding and -physically-separating filament: Some plasmids encode partitioning mechanisms that result in filaments or other structures that bind to plasmids and physically separate them during cell division. Plasmid distribution to daughter cells is ensured by doing this.
C. Plasmid maintenance is ensured by the toxin/antitoxin systems found in many plasmids, which prevent post-segregational death. While the antitoxin is created by the plasmid-containing cells, the toxin only affects cells that lack plasmids. This process fosters correct segregation during cell division and supports the survival of cells that retain the plasmid.
D. Handcuffing: When plasmids create proteins that directly interact with one another, they are said to be "handcuffed" together. This physical connection ensures that plasmids are distributed equally to daughter cells during cell division.
A. High-copy number plasmids may enhance the likelihood of correct segregation, however random partitioning by itself is not a reliable tactic. To assure the precise distribution of plasmids to daughter cells, additional processes, such as those outlined above, are frequently used.
As a result, B, C, and D are the right answers for the proper segregation of plasmids into daughter cells.
To learn more about plasmids here
https://brainly.com/question/31765340
#SPJ4
what are the two key neurotransmitters located in the nigra striatal region of the brain that play a major role in motor control
Answers
Answer:
Dopamine
Explanation:
his is found in substantia nigra pars compacta. Most of the dopamine neurons of the substantia nigra project to the striatum, a part basal ganglia, forming a pathway called the nigrostriatal dopamine pathway that is important in the stimulation of movement.
What are weedicides?
Answers
Weedicides are the chemicals which are sprayed over the fields to get rid of weeds.
Which idea is not in the correct position on the chart?
A Biomass Fuels
B. Natural gas
C. Wind D. Geothermal energy
Answers
Answer: natural gas and Biomass Fuels
hope this helps :)
What is shown in the image below?
A food web titled Chesapeake Bay Waterbird Food Web. It shows a very complex food web with many different food chains of various species displayed in 5 categories. Primary Producers: phytoplankton, S A V, vegetation. Herbivores: zooplankton, benthic invertebrates, herbivorous ducks, geese and mute swans. Primary consumers: small planktivorous fish, bivalves. Secondary consumers: gulls and terns, wading birds, large piscivorous fish, sea ducks, tundra swan. Tertiary consumers: osprey, bald eagle.
food chain
trophic chain
food web
energy web
Answers
Answer:
food web
Explanation:
The interrelated feeding interactions between creatures in an environment are referred to as a food web. The highest abundance of organisms frequently occurs at the lowest levels of these interactions, which are connected by an energy transfer.
Food web of American estuaries don't get much bigger than the Chesapeake Bay. Food web in the Chesapeake Bay, its tributaries, and the Coastal Bays are home to a wide variety of plants and animals, each of which has particular habitat needs in terms of things like food, light, temperature, water, nutrients, shelter, and other elements. During different phases of their life cycles, certain species use distinct environments in food web. For food, all living things are interdependent. Examining the relationships between species that eat one another helps us to understand how interconnected all organisms, including humans, are.
Learn more about Food web
https://brainly.com/question/2233704
#SPJ9
Label the following diagram of chromosomes that have undergone crossing-over. recombined chromosome Ο parental chromosome Θ Ο Θ Ο after cytokinesis 11 (gametes) metaphase II metaphase!
Answers
Answer:
k
Explanation:
Recombinant chromosomes are chromosomes that have undergone crossing-over.
When homologous chromosomes exchange genetic material during meiosis, the process is called crossing-over or genetic recombination. By transferring genetic information between maternal and paternal chromosomes, this process encourages genetic diversity. The recombined chromosomes contain DNA from both the paternal and maternal chromosomes after crossing over. Interchangeable segments are formed due to physical breakage and rejoining between non-sister chromatids of homologous chromosomes.
Learn more about crossing over here:
https://brainly.com/question/31863061
#SPJ6
What are silver carp strengths and weaknesses?
Answers
List the three processes involved in the formation of urine in order. 1. tubular secretion 2. tubular reabsorption 3. glomerular filtration
Answers
In this question, We list the three processes involved in the formation of urine in order. 1. glomerular filtration 2. tubular reabsorption 3. tubular secretion
Steps of urine production
Inside the renal capsule, the blood undergoes strong pressure, which causes the output of the so-called glomerular filtrate (or initial urine), a liquid similar in composition to blood plasma. This process is called filtration. The filtrate is mainly made up of water, urea, glucose, salts and amino acids. It is important to remember that blood cells and some larger proteins do not pass into the capsule.
After leaving the renal capsule, the filtrate passes through the length of the nephric tubule and water and useful substances are reabsorbed into the body. These substances go back into the bloodstream. Most of the reabsorption occurs in the proximal tubule region.
In the tubules, the process of secretion also takes place, in which some metabolites and drugs are carried from the blood vessels into the tube.
After passing through the entire nephric tubule, we have the filtrate transformed into urine.
With the information obtained, we list the three processes involved in the formation of urine in order. 1. glomerular filtration 2. tubular reabsorption 3. tubular secretion
Learn more about renal capsule in brainly.com/question/4170677
What does Boyle's law say about the relationship between the pressure
and volume of a gas?
Answers
Answer:
This empirical relation, formulated by the physicist Robert Boyle in 1662, states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form, PV = k, a constant.
Explanation:
Taking antibiotics for viral infections has no positive impact on individual health because viruses are not killed by antibiotics. What negative impact does the unnecessary use of antibiotics have on public health?
Answers
Answer:
Unnecessary use of antibiotics induces the formation of antibiotic-resistant bacterial species making treatment of bacterial infections more difficult. This also increases the costs on the healthcare system
With rare exceptions, which of the following characteristics do plants share?
a) unicellular
b) flowering
c) prokaryotes
d) autotrphic
Answers
Help me plz
What is an everyday problem you could use the scientific method to solve? Include what steps of the method would look like for this problem.
Answers
Answer:
observation : a toaster doesn't work
question : is something wrong with the electrical outlet
hypothesis : something is wrong with the outlet my coffee maker also won't work and plug into it
experiment : I plug my coffee maker into the outlet
result : a coffee maker works
2nd result : my toaster is broken
what is the work of mitochondria in human body
Answers
Explanation:
the main thing that a mitochondria does in the human body is produce a small molecule called adenosine triphosphate (ATP). and ATP's main goal is to transfer and store energy in the human body.
make sure to ask if you need any further guidance :)
Transcription and translation differ in prokaryotes versus eukaryotes in which way?.
Answers
Transcription and translation are the processes which results into formation of mRNA and proteins in the cell. These are different in prokaryotes than that of eukaryotes.
What is transcription and translation?
Transcription is the process of formation of mRNA from the DNA in the nucleus of cell. Translation is the process of formation of proteins in the ribosomes of cell.
In eukaryotes, Transcription of mRNA requires RNA polymerase enzyme whereas in prokaryotes, RNA polymerase is not required in the process of transcription. The process of Translation of the prokaryotic mRNA can occur as the mRNA is transcribed, which is not possible in eukaryotes.
Learn more about Transcription here:
https://brainly.com/question/14136689
#SPJ2