Answer:
Autotroph or producers
Explanation:
An organism that produces its own food is a autotroph
suggests that children are active learners who essentially socialize
themselves.
1) Gender schema theory
2) The autobiographical author
3) Theory of mind
4) Social learning theory
Answer: gender schema theory
Explanation:
Suggest that children are active learners who essentially socialize themselves by Gender schema theory.
What do you mean by Gender schema theory?Gender schema theory may be defined as a concept that children understand regarding male and female positions and roles from the culture in which they live.
Gender schema theory deals with the principle of socialization among young children. It is the basis of learning the concept and functions associated with societies.
Therefore, suggest that children are active learners who essentially socialize themselves by Gender schema theory.
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Which factor correlated with human populations losing skin pigmentation? (1 point)
O moving away from the poles
moving away from mountainous environments
moving away from shaded environments
moving away from the equator
Explanation:
moving away from shaded environment
The main factor correlated with human populations losing skin pigmentation is moving away from the equator.
What is melanin?Melanin is a specific protein associated with skin pigmentation in humans and mammals in general.
In humans, melanin levels are related to the amount of solar radiation, which is a consequence of latitude.In regions of low latitude, melanin levels are higher than in high latitude regions.In conclusion, the main factor correlated with human populations losing skin pigmentation is moving away from the equator.
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The most abundant element in earths continental crust by weight is
The most abundant element in earths continental crust by weight is oxygen.
1.What are the three different patterns of leaf attachment?
2. What is the purpose of a plants stem?
3.What are the differences in the kinds of stems?
4. What are the parts of stems?
5.What are roots and what are the functions of roots?
Answer:
1) alternate, opposite and whorled
2) the primary functions Of the stem are to support the leafs to conduct water and minerals to leafs, where they can be converted into usable products by photosynthesis
3) stesms stores food, water, and nutrients. cells of steam , meristems, produce new living tissues. underground stem, aerial stem and subaerial steam are three different stem
4) the are six elements 1 nodes 2 internodes 3 terminal or apical bud 4 lateral or axillary bud 5 petiole 6 pedecel. while the two organd are 7 leaves and 8 flowers
5) roots = in botany that parts of vascular plant normally underground FUNCTIONS are anchorage of plant absorption of water and dissolved minerals and conditions of these to stem, and storage of reserve foods
Explanation:
well that took longer than expected
A bottle of concentrated 20 M ammonia solution needs to be diluted to
1 M strength for laboratory use. In order to make up 1 L of 1 M
ammonia solution, how much concentrated ammonia must be diluted?
Answer:
The aim of question is to know about molarity of ammonia solution 25% . ... If you have 17 g NH3 in 1000 ml H2O, you have a 1M NH3. ... Can you not titrate it using standardised acid? ... Mass concentration of ammonia in stock solution = ... So 1 M means 35.04gr in a liter of water and because the solution ...
9 answers
·
Top answer:
The ammonia solution (NH3) of 25% means 25 gr NH3 in 100 ml water.
Explanation:
Why might scientists have additional questions to answer at the end of an
investigation?
It is not enough to be in the presence of a pathogen like a bacteria or virus, there also needs to be an environment in which the pathogen can grow.
a. True
b. False
Sometimes an organ can be replaced by moving it from one part of the body to another. This can be done, for example, to replace damaged skin or joints. In these cases: rejection of the transplanted organ would not be expected. antibodies would be generated against the transplanted organ. antigens would be generated against the transplanted organ. immunosuppressant drugs would be required to prevent transplant rejection. rejection of the transplanted organ would still be expected.
Answer:
rejection of the transplanted organ would not be expected.
Explanation:
Organs can be defined as specialized body tissues united to perform specific functions in living organisms. Some examples of organs found in humans are brain, bladder, kidney, heart, intestine, eyes, lungs, liver, etc.
In the field of Medicine and Surgery, an organ is sometimes replaced for specific reasons, by moving it from one part of the body to another; this process is generally referred to as a transplant. Thus, it's mainly done to replace damaged skin or joints in the body of a living organism such as humans.
Hence, in these cases, rejection of the transplanted organ would not be expected because an examination and matching of the organ is carried out by the medical professionals before transplant.
Organisms produced as a result of mitosis exhibit a great deal of genetic variation.
Answer:
false
Explanation:
What is the relationship among force, mass, motion and speed of motion?
Answer:
Ye haw
Explanation:
Newton's second law of motion seems simple enough: Push on an object of a certain mass, and it accelerates based on the amount of force and mass. A small force with a large mass results in a slow acceleration, and a large force with a small mass gives a fast acceleration
What is the Precambrian time A) 4 billion years between the first eon and the last won B) the first won C) the last eon D) the first three eons
Explanation:
The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. The Precambrian Era comprises all of geologic time prior to 600 million years ago.
An agricultural extension (______) helps farmers and producers stay informed about current practices and technologies
Answer:
agent
Explanation:
e d g e n u i t y
What did the experiments of Griffith and Avery show about genetic information ?
Answer:
Griffith and Avery studied bacteria and mice. Their S and R experiment revealed that DNA stores and transmits genetic information from one generation of bacteria to another. Chromosomes consist of protein and DNA, but mainly DNA.
Explanation:
The experiments performed by Griffith and Avery showed that the genetic material which is being passed on from parents to offspring is DNA.
What was Griffith and Avery experiment?The experiment performed by Griffith and Avery is known as "Transforming principle". This experiment was performed to prove the genetic material of the cell.
The experiments performed by Griffith and Avery proved that the DNA (Deoxyribonucleic acid) of the heat-killed S strain bacteria was responsible for the development of pneumonia in mice that were infected with the heat-killed S and live R-strain bacteria. They concluded that the DNA of the bacteria of the S-strain bacteria was passed on the next generation to the offspring, which was able to infect lungs.
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5. The ____
controls the rate of breathing.
Answer: respiratory control centers
Explanation: respiratory control centers: The medulla which sends signals to the muscles involved in breathing, and the pons which controls the rate of breathing.The medulla oblongata is the primary respiratory control center. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.
Answer:
medulla oblongata
Explanation:
its a part of the raspatory response in your brain
i hope this helps :3
the 10% rule of ecosystems says that only 10% of the energy is passed in to the next trophic level. what happens to the rest of the energy?
A- it goes back into plants
B- we dont know what happens to it
C- it gets released into the environment as heat
Smallholders have historically been for-profit commercial horticulturalists rather than subsistence farmers.
True
False
Answer:
true
Explanation:
plsssssss help
NO LINKS pls
The more diverse an ecosystem is - *
5 points
A) The more threatened its population are
B)The more similar the species will be
C)The more healthy and stable it is
D)The fewer varieties of species are present
Answer: C
Explanation: I took the test hoped this helped :)
Ella and Olivia are sisters. Both sisters are taller than average, but each sister has specific traits the other sister does not. Ella is a competitive swimmer who trains outside in the summer. Her hair is bleached blond by the sun and chlorine in the pool water. Her many hours of practice have made her fit and muscular. Olivia loves to help people and wants to become a nurse someday. She volunteers every week at the nursing home where her great-grandmother lives. She walks the residents to and from their daily activities, and in the evening during dinner, plays the piano beautifully for them. Which of the following traits is inherited? a Piano Skills b Strong muscles c height d sun-bleached hair
Answer:
a
Explanation:
Which of the following statement is correct about about the hierarchy of the taxonomic system currently used to classify organisms
A. Many different classes of organisms belong to the same order
B. All organisms of given phylum belong to the same kingdom
C.Many different families of organisms belong to the same Genus
D. All organisms and given order belong to the same species
Answer:
A
Explanation:
Took the test
The statement 'all organisms of given phylum belong to the same kingdom' is correct about the hierarchy of the taxonomic system (Option B).
In the classification system, the Phylum is a division within the Kingdom.It means that all organisms that form a Phylum are found in the same Kingdom.The current system of biological classification is based on evolutionary and taxonomic features.In conclusion, the statement 'all organisms of given phylum belong to the same kingdom' is correct about the hierarchy of the taxonomic system (Option B).
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You are testing learning and memory in two strains (A and B) of hamsters by determining which hamsters learn and remember how to navigate a maze better. You discover that a strain of hamsters raised in a diverse environment has enhanced memory compared to a strain of hamsters raised in a bare cage. You look at a specific gene that is involved in brain development and is activated during learning and memory. If you use bisulfite treatment and subsequent sequencing to study the methylation pattern is of the promoter for this gene, you find that at the same region of the promoter sequence:
Strain A has the following bisulfite treated sequence: GTACGTTAAACGATCG
Strain A has the following untreated sequence: GTACGTTAAACGATCG
Strain B has the following bisulfite treated sequence: GTATGTTAAATGATTG
Strain B has the following untreated sequence: GTACGTTAAACGATCG
Based on the sequences above, greater levels of transcription for this learning and memory gene more likely occur in which of the strains?
Answer:
The correct answer is - Strain B.
Explanation:
The methylation process is adding the methyl group to the DNA molecule that can alter the activity of the DNA segment without any change in the sequence. Methylation presence in the promotor in a gene can repress the transcription process.
By the sequence given it is clear that strain B is not treated and less likely to methylated whereas strain B is more likely to methylated so the greater transcribe sequence would be - Strain B.
According to the geological record, during which geological time period were the sands and clays underlying Long Island and Staten Island deposited?
Answer:
The correct answer is - Cretaceous period.
Explanation:
The Magothy Formation occurred during the cretaceous period. The Magothy formation is the formation of the consolidated sand and layers of clays deposited beneath Quaternary glacial cover throughout most of Long Island, and the south shore of Staten Island.
This formation is composed of gravel of clay and coarse sands. The thickness ranges between 10 and 200 feet. It is formed above the Raritan Formation which is upper clay and below slit deposits formation.
Arrange these muscle contraction events in the correct order.
1. nerve stimulus
2. myosin attaches to actin causing a twitch
3. acetylcholine binds to receptor
4. calcium channels open
5. sarcoplasmic reticulum releases calcium
6. impulse rides along sarcolemma
7. exocytosis occurs releasing acetylcholine into synaptic cleft
8. calcium binds to troponin moving tropomyosin out of the way
9. impulse enters the cells via the t-tubule
10. acetylcholine vesicles move to endplate
Answer:
1. nerve stimulus
4. calcium channels open
10. acetylcholine vesicles move to endplate
7. exocytosis occurs releasing acetylcholine into synaptic cleft
3. acetylcholine binds to receptor
6. impulse rides along sarcolemma
9. impulse enters the cells via the t-tubule
5. sarcoplasmic reticulum releases calcium
8. calcium binds to troponin moving tropomyosin out of the way
2. myosin attaches to actin causing a twitch
Explanation:
The central nervous system generates an action potential (1) that travels to the muscle fiber activating the calcium channels (4). Calcium triggers vesicles fusion to the presynaptic membrane (10) releasing acetylcholine (Ach) into the synaptic space (7). Once there, Ach binds to its receptors (3) on the postsynaptic membrane of the skeletal muscle fiber, causing ion channels to open. Positively charged sodium ions cross the membrane to get into the muscle fiber (sarcoplasm) and potassium leaves the cell. The difference in charges caused by these ions transport charges positively the muscle fiber membrane (6). It depolarizes. The action potential enters the t-tubules (9) depolarizing the inner portion of the muscle fiber.
Contraction initiates when the action potential depolarizes the inner portion of the muscle fiber. Calcium channels activate in the T tubules membrane, releasing calcium into the sarcolemma (5). At this point, the muscle is at rest, and the tropomyosin is inhibiting the attraction strengths between myosin and actin filaments. Tropomyosin is obstructing binding sites for myosin on the thin filament. When calcium binds to troponin C, troponin T alters the tropomyosin position by moving it and unblocking the binding sites (8). Myosin heads join to the uncovered actin-binding points forming cross-bridges (2), and while doing so, ATP turns into ADP and inorganic phosphate, which is released. Myofilaments slide impulsed by chemical energy collected in myosin heads, producing a power stroke. The power stroke initiates when the myosin cross-bridge binds to actin (2). As they slide, ADP molecules are released. A new ATP links to myosin heads and breaks the bindings to the actin filament. Then ATP splits into ADP and phosphate, and the energy produced is accumulated in the myosin heads, which starts a new binding cycle to actin. Finally, Z-bands are pulled toward each other, shortening the sarcomere and the I-band, producing muscle fiber contraction.
My teacher's notes are jumbled so I can't really answer these properly
Answer:
search up a diagram of an eye simplified
Explanation:
it worked for me
Paleontologists are scientists who study evidence of past life on Earth. Which method do paleontologists most likely use to determine the forms of life that existed millions of years ago?
A. Examine current species of plants and animals
B. examine current species of plants and animals
C. research past species in the library
D. interview older scientists
E. examine fossils records
Answer:
e
Explanation:
.....................
g John Smith is a pig farmer. For the past 5 years, Smith has been adding vitamins and low doses of antibiotics to his pig food; he says that these supplements enhance the growth of the pigs. Within the past year, however, several of his pigs died from infections of common bacteria, which failed to respond to large doses of antibiotics. Can you explain the increased rate of mortality due to infection in Smiths pigs
Answer:
Due to tolerance against antibiotic.
Explanation:
The increased rate of mortality occurs in the pigs due to the bacteria which gets tolerance against the antibiotics. The regular use of same antibiotic kills most of the bacteria but in some bacteria mutation occurs that produces tolerance against the antibiotics and there is no effect of antibiotics on then and they are able to cause infection in the organism that leads to death. So the use of same antibiotics is not good for the pigs, the pig farmer should apply different type of antibiotics due to which the bacteria has zero tolerance.
(a) Describe a method to measure the mean number of weeds per m’in each field.
Answer:
Describes the role of monitoring in adaptive management. ... each vegetation attribute and advice on field techniques and tools are provided. ... If you are using sampling to estimate population sizes or mean values (such as density, ... obtain the true average number of plants per quadrat (4 plants/quadrat).
Explanation:
Quadrat method is the most widely used method for population determination in plants and small immobile organisms.
What are the methods for population determination?The Quadrat method is the most useful method for population determination for immobile organisms such as plants or for very small and slow-moving organisms. The plots used in this method is called quadrats, which may be used to determine the population size and density of a population. Here, each quadrat marks off an area of the same size which is typically, a square area or other shape such as circular or other within the given habitat.
The most accurate way to estimate the weed population is to count the number of plants in an area of known size at a different number of locations. Through the use of a quadrant, which may be square or circular in shape weed plant counts can be carried out.
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factors affecting environment and development
Answer:
Environmental factors affecting plant growth and development include light, temperature, water, humidity, and nutrition. At the time of nurturing a tree, it is important to know how these factors could affect the growth and development of a plant. Knowledge about environmental factors helps the owner promotes proper growth.
PLZ HELP I AM TAKING A QUIZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Are involuntary muscles
A) cardiac
B) smooth
C) skeletal
Answer:
QUESTION:
Are involuntary muscles
A) cardiac
B) smooth
C) skeletal
ANSWER:
muscle governing reflex functions and not under direct voluntary control especially: smooth muscle.
Explanation:
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Prions are
A) proteins coded by genes.
B) strands of nucleic acids encased in a protein coat.
C) viral-infected cells.
D)infectious proteins with no associated nucleic acid.
E) viral nucleic acids integrated into the host chromosomes.
Answer:
D) infectious proteins with no associated nucleic acid.
Explanation: