Which term describes the procedure of selecting a specific group of organisms from an initially heterogeneous population for future breeding purposes? view available hint(s) which term describes the procedure of selecting a specific group of organisms from an initially heterogeneous population for future breeding purposes? narrow-sense heritability (h2) broad-sense heritability (h2) artificial selection selection differential (s)?
Prenatal exposure to cigarette smoke can increase the risk of
Prenatal exposure to cigarette smoke can increase the risk of premature birth, low birth weight, sudden infant death syndrome (SIDS), learning disabilities, behavioral problems, and respiratory issues like asthma.
Explanation:Yes, prenatal exposure to cigarette smoke can increase the risk in numerous ways. It's important to understand that when a pregnant woman smokes, the chemicals from the smoke are passed directly to the fetus through the bloodstream. Such exposure can have detrimental effects on the growth and development of the fetus.
This exposure can lead to an increased risk of premature birth and low birth weight. It can also increase the chances of sudden infant death syndrome (SIDS), as well as developmental issues including learning disabilities and behavioral problems in later life. In addition, it can increase the child's risk of developing respiratory issues, such as asthma.
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The best way to select foods that are vitamin rich is to: read the food labels on processed foods to see the listed vitamins. memorize the recommended values of the vitamins to be eaten daily. select a wide variety of whole foods to get a balance of vitamins. make sure that each food selected is the richest source of a particular vitamin you need.
This is the change in behavioral or feeding patterns by two or more competing populations to reduce interspecific competition.
Answer:
Niche Shift
Explanation:
Niche refers to the totality of habitat, activity pattern and functional role of organisms in the system. It also includes the resources used by organisms. Interspecific competition between two species can be reduced by change in the niche of organisms. Two species that do not share common niche can survive in same habitat. Niche shift includes changes in behaviour or feeding pattern of the competing species.
A condition in which two populations of the same species, over time, can no longer breed with each other to produce live offspring
The answer is isolation.
(5.05 LC) What is one common feature of domain Archaea and domain Bacteria?
Final answer:
The common feature of domain Archaea and domain Bacteria is that they are composed of prokaryotic cells without a nucleus, reproduce asexually, and have a cell wall, though the wall's composition varies between the two.
Explanation:
The common feature of domain Archaea and domain Bacteria is that both are comprised of prokaryotic cells. A key characteristic of prokaryotic cells is that they lack a nucleus. Moreover, organisms in both domains reproduce asexually through cellular division and have their genetic material organized in a single circular chromosome within the nucleoid region of the cell.
Another significant commonality between Archaea and Bacteria is the presence of a cell wall that surrounds the plasma membrane for structural support and protection. However, it is important to note that the cell wall composition differs between the two domains, with Bacteria typically containing peptidoglycan while Archaea have distinct molecules in their cell walls.
Lastly, while both domains consist of single-celled organisms, Archaea are particularly noted for their ability to survive in extreme environments, such as hot springs and salt flats, which is less common for Bacteria.
Agents such as barium sulfate and iodine, which can be administered orally, rectally, intravenously, or in an artery to enhance the real-time imaging of dynamic processes in blood vessels, or peristalsis in the gi tract are called ______________________________ agents.
Radiocontrast agents are substances such as barium sulfate and iodine administered to a patient to improve the real time imaging of dynamic processes in blood vessels, or peristalsis in the gastro intestinal tract. These agents work by absorbing external X-rays that cause low exposure on the X-ray detector.
What percentage of the offspring would be expected to have the same phenotype as the parents ??
The probability is that 50% of the kids will share the same phenotype as their parents because parents pass the character to the offspring.
What is phenotype?Phenotypes include things like height, wing length, and hair color. In addition to measurable traits that may be observed and tested in a lab, phenotypes also include blood cell or hormone levels.
The physical manifestation or makeup of an organism is known as its phenotype. The phenotype is only an organism's outward appearance.
It is the outcome of the interaction of two key elements, namely the environment and genetic makeup (genotype). The phenotype of an organism is constructed and formed when both mix.
Therefore, 50% of the offspring would be expected to have the same phenotype as the parents.
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Final answer:
The expected percentage of offspring with the same phenotype as the parents depends on the genetic cross. For two heterozygous parents, there's a 50% chance, while for a dominant-recessive parent combination, it's 100%.
Explanation:
The percentage of offspring expected to have the same phenotype as their parents can be predicted using the principles of genetics and probability. When considering a cross between two heterozygous parents (Bb and Bb), we find that the offspring have a 25% chance of being homozygous dominant (BB), a 50% chance of being heterozygous (Bb), and a 25% chance of being homozygous recessive (bb). Given that the dominant trait B results in the same phenotype as the heterozygous genotype, there is a 50% chance that the offspring will show the dominant phenotype (purple flowers if B represents purple and b represents white, for example).
In a different scenario, where we have a cross between a homozygous dominant individual (AA) and a homozygous recessive individual (aa), all offspring would be heterozygous (Aa) and express the dominant phenotype, resulting in a 100% chance of offspring having the same phenotype as the dominant parent.
The dodecahedron can be constructed from the repetitive folding of __________.
Answer: regular pentagons
Explanation: apex
How do finches recognize members of their own species? answer key?
Finches recognize members of their own species through distinct evolutionary traits, particularly beak shapes. These traits evolved according to different environmental conditions and food sources, leading to variations among species. Over time, speciation and trait differentiation came to serve as mechanisms for species recognition among finches.
Explanation:Finches can recognize members of their own species through distinct traits and characteristics, particularly from their beak shapes. This trait diversity, as observed by Darwin, arose from the process of evolution by natural selection, based on differing food sources and environments. The finches likely originated from a common ancestor but different traits, such as beak shape, evolved over time according to the different environmental conditions and food sources in the habitats they settled. This is notably demonstrated on the Galápagos island of Daphne Major, where finches with differently sized beaks were observed. Variation in beak shape was inherited, where finches with beaks suited to available food types could survive and reproduce, leading to the evolution of distinct beak shapes in different species.
Moreover, reproductive barriers and mutations over time led these finches to develop into different species. This speciation, alongside the differentiation of traits, can be seen as a mechanism for species recognition among finches. Combined, these factors allow finches to recognize members of their own species.
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How organisms living in aquatic environments are limited by both biotic and abiotic factors?
Alzheimer's disease is a type of _______________ in which an individual's ability to retrieve memories gradually becomes seriously impaired over a period of a few years.
Alzheimer's disease is a type of dementia in which an individual's ability to retrieve memories gradually becomes seriously impaired over a period of a few years.
What in Alzheimer's disease?Alzheimer's disease is the most common cause of dementia. The condition develops gradually, beginning with mild memory loss and possibly increasing to the loss of speech and sense of the surrounding environment.
Alzheimer's disease affects the parts of the brain in charge of thought, memory, and language. It can seriously limit one's ability to perform daily duties.
Alzheimer's does not develop naturally as individuals become older. Memory loss is typically one of the first signs of dementias like Alzheimer's disease.
Therefore, Alzheimer's disease is a type of dementia in which an individual's ability to retrieve memories gradually becomes seriously impaired over a period of a few years.
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BRAINLIESTTTT ASAP!
1. Which statement is true about elements?
They are finite in number.
They are infinite in number.
They combine to form atoms.
They combine to form electrons.
2. Which family in the periodic table has metals that are usually harder than other metals?
Alkali metals
Alkaline earth metals
Lanthanide series
Transition metals
As the embryo develops and undergoes organogenesis, which structures are formed during the third week of development?
The products of the decomposition can diffuse out of the lysosome and into the ____________ or be removed from the cell via the process called ____________ .
Answer:
1. Cytoplasm
2. Exocytosis
Explanation:
Lysosomes are the cell organelles that have hydrolytic enzymes. Phagosomes, the vesicles carrying the large solid particles or undigested materials fuse with lysosomes. The hydrolytic enzymes of lysosomes break down the ingested material. The products of the hydrolysis may be released into the cytoplasm.
Alternatively, exocytosis releases the digested materials out of the cells. A secretory vesicle is formed inside the cell that fuses with the plasma membrane and releases its content outside the cell.
Why is a pinhead sometimes used as an analogy for the early universe?
a) Matter was destroyed during the big bang.
b) At time zero all matter was metallic.
c) At time zero all matter was contained in a very small volume.
d) Matter was rapidly dispersed by the big bang.
Answer is c). At time zero all matter was contained in a very small volume.
All of the matter and energy in the universe was in a region smaller than the head of a pin and all of the energy and matter in the universe suddenly exploded out of a point smaller than the head of a pin.
What abiotic factor is the initial energy source is most food webs?
What anatomical features allow for the expansion of the urinary bladder as it fills with urine?
The correct answer is: visceral muscles of the muscular layer surround the submucosa and provide the urinary bladder its expansion capacity. Visceral muscles are smoothed muscles found lining internal organs and parts such as the stomach and blood vessels. Visceral muscle is originated inside of organs like the stomach, intestines, and blood vessels.
when you swat at a fly, which type of neuron stimulates your arm to move?
A. sensory neuron
B. interneuron
C. motor neuron
D. autonomic neuron
Answer:
The correct answer is option C. "motor neuron".
Explanation:
Motor neurons are nerve cells that allow for muscle and gland movement by following the electrochemical pathway from the brain or spinal cord to their final destination. Motor neurons facilitate muscle contraction and modify proprioceptive sensitivity Therefore, motor neurons are responsible for most of the body movement, including swatting at a fly by stimulating the arms to move.
Before the kiowa domesticated the horse, they used ____ as pack animals.
The presence of bacteria in the bloodstream is referred to as __________. bacteremia septic shock bacterial dimorphism cytokine storm
The kangaroo rat is able to get all of the water it needs through its food and, therefore, never needs to drink liquids. this animal has adapted to survive in which biome?
The kangaroo rat has then adapted to strict survival in hot climates called a desert!
Transformation did not occur when dna was destroyed true or false
The correct answer would be true.
Hope this helps! ;)
Sampling errors contains: select one:
a. selection bias
b. non-response bias
c. measurement errors
d. all of the above
Cells from a developing embryo are transferred from position a to position
b. ordinarily, cells from position a develop into heart muscle, and those from position b develop into skeletal muscle. the transferred cells develop into skeletal muscle. based on these results, one can conclude that
What you is the difference between somatic cells and gametes?
Nuclear plants use radioactive fuel to produce steam which turns a turbine to generate electricity. This is an example of a(n) _____.
Answer:
The answer is Nuclear Technology.
Explanation:
In atomic innovation, the nuclear cores of radioactive fuel experience atomic response. Atomic power is the utilization of atomic responses that discharge atomic vitality to create warm, which most much of the time is then utilized in steam turbines to deliver power in an atomic power plant. Atomic power can be acquired from atomic parting, atomic rot and atomic combination. Atomic innovation at that point produces nuclear vitality and discharges it as power.
Which of the following could be a sequence in the carbon cycle? A. plants take in carbon dioxide and produce glucose animals break down glucose and release carbon dioxide animals consume plants B. animals consume plants plants take in carbon dioxide and produce glucose animals break down glucose and release carbon dioxide C. animals break down glucose and release carbon dioxide animals consume plants plants take in carbon dioxide and produce glucose D. plants take in carbon dioxide and produce glucose animals consume plants animals break down glucose and release carbon dioxide
Plants take in carbon dioxide and produce glucose animals consume plants animals break down glucose and release carbon dioxide.
What is carbon cycle?The carbon cycle is the biogeochemical cycle in which carbon is exchanged among the biosphere, geosphere, hydrosphere, and atmosphere of the Earth. Plants take carbon for making glucose and this glucose is consumed by animals so when the glucose is broken down, carbondioxide releases.
So we can conclude that option D is the correct answer.
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"explain the data used to construct phylogenetic trees"
Final answer:
Phylogenetic trees illustrate the evolutionary relationships among organisms and are constructed using genetic, morphological, and molecular data. The process encompasses various statistical methods such as parsimony and Bayesian analyses, and is organized into clades based on lineage.
Explanation:
The construction of phylogenetic trees is a method used by scientists to depict the evolutionary relationships among organisms. The data used to construct phylogenetic trees can include genetic or genomic information, where modern computer algorithms apply various methods such as parsimony, maximum likelihood, and Bayesian analyses to build these trees. Each method operates on different assumptions and can yield varying results, and even using different software packages with the same data can lead to discrepancies within the same statistical framework. For example, MrBayes and BEAST both utilize Bayesian approaches, yet may produce distinct outcomes.
Aside from genetic data, phylogenetic trees can also be constructed using morphological and molecular characteristics, which are sorted into clades, or monophyletic groups, using a method called cladistics. A clade comprises an ancestor and all its descendants, indicating closer evolutionary relationships.
A long-winged drosophila (fruit fly) female with a gray body mates with a black, short-winged male fly. the phenotypic ratio of the offspring is 1:1:1:1. what is the genotype of the female fly?