Answer: Plant grass and lay straw at the sites.
Explanation:
Runoff is a flow over of water or any other liquid over a surface causing erosion. The flow of water is of high speed and rapid. It is not absorbed by the soil.
Plant grass and lay straw at the sites is the correct option this is because of the fact that the grass and lay straw will absorb the runoff water and prevent the erosion.
Answer: the third option
Explanation:
Which structures regulate water loss and gas exchange in the leaves of plants
Final answer:
Stomata and guard cells are the primary structures in leaves that regulate water loss and gas exchange, with the waxy cuticle and trichomes providing additional support in minimizing transpiration and protecting the leaf.
Explanation:
The structures that regulate water loss and gas exchange in the leaves of plants are known as stomata and guard cells. The stomata are small openings primarily located on the underside of the leaf to minimize water loss. These stomata enable the exchange of gases, allowing carbon dioxide in and letting oxygen out for the process of photosynthesis. Guard cells flank each stoma and are responsible for their opening and closing. They react to various environmental cues like light intensity, leaf water status, and carbon dioxide concentrations, helping to maintain a balance between efficient photosynthesis and conservation of water.
In addition to stomata and guard cells, the leaves are covered by a waxy cuticle which also serves to prevent water loss. Other structures like trichomes, which are hair-like structures on the epidermal surface of the leaf, contribute to reducing water loss through transpiration, increasing solar reflectance, and storing compounds that fend off herbivores.
Certain neurons seem to be wired to detect certain angles, lines, edges, and movements. for example, we can quickly detect the features of a human face and interpret the expression on that face. the nerve cells that respond to these specific features are called:
Answer:
feature detectors
Explanation:
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edit: spelling
what is biotechnology
Biotechnology is the exploitation of biological processes for industrial and other purposes, especially the genetic manipulation of microorganisms. The exploitation of biological processes for industrial and other purposes, especially the genetic manipulation of microorganisms for the production of antibiotics, hormones, etc.
Biotechnology can be defined as the controlled and deliberate manipulation of biological systems for the efficient manufacture or processing of useful products. The fact that living organisms have evolved such an enormous spectrum of biological capabilities means that by choosing appropriate organisms it is possible to obtain a wide variety of substances, many of which are useful to man as food, fuel and medicines. Over the past 30 years, biologists have increasingly applied the methods of physics, chemistry and mathematics in order to gain precise knowledge, at the molecular level, of how living cells make these substances. By combining this newly-gained knowledge with the methods of engineering and science, what has emerged is the concept of biotechnology which embraces all of the above-mentioned disciplines.
Biotechnology is the use of organisms and biological processes to create technological applications that serve human needs, particularly in the areas of agriculture, medicine, and food science.
Biotechnology is the application of technology to manipulate the genetic material of living organisms to produce new products or improve existing ones. This field combines various aspects of biology with cutting-edge technology to create products that benefit humanity in fields such as agriculture, food science, and medicine. Through methods like genetic engineering, scientists can create crops with higher yields, plants that can resist pests and advanced medical treatments like gene therapy.
Biotechnology is not a new concept; in fact, humans have utilized this science in simpler forms throughout history, such as in the making of cheese, wine, yogurt, and beer using microorganisms like yeast. However, modern advancements allow for more precise alterations at the genetic level. This enables the production of antibiotics, the cultivation of cell cultures for research, and the potential for curing genetic disorders through gene therapy.
How does planting trees help maintain the supply of forestland for a longer period of time?
A.Planting increases the supply of wood.
B.Planting increases the cost of wood.
C.Planting reduces the demand for wood.
D.Planting reduces the consumption of wood.
Answer:
A. Planting increases the supply of wood. (APEX)
Explanation:
Which of the following remains relatively constant in an ecosystem? A.number of organisms B.amount of matter C.number of species
Answer:
It is amount of matter
Explanation:
The amount of matter remains relatively constant in an ecosystem. Thus, the correct option for this question is B.
What is an ecosystem?An ecosystem may be characterized as a type of place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, space, resource, mating partners, etc.
The amount of matter within the ecosystem always remains constant. It neither gets eliminated nor added to the ecosystem, although it gets changed from one form to another during the life cycle of an organism.
The organisms within an established ecosystem interact and form relationships with each other over time. This interdependence allows ecosystems to remain relatively stable for hundreds and sometimes thousands of years.
Therefore, the amount of matter remains relatively constant in an ecosystem. Thus, the correct option for this question is B.
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how does DNA evidence support the theory of evolution
Long-term memories that are with you for a lifetime are called ________ memories. long-term memories that are with you for a lifetime are called ________ memories. consolidated reflexive secondary multilobar tertiary
Genes that come together with different alleles are called _____.
You flip on a lamp switch what type of energy is used
What type of mutation is most likely to result from the deamination of cytosine in a gc base pair (if left unrepaired)?
A drop of whiskey on your tongue can be detected in your arm in:
Answer:
The correct answer is seven seconds.
Explanation:
When an individual consumes an alcoholic beverage, about twenty percent of the alcohol gets captivated in the stomach and the rest eighty percent get absorbed in the small intestine. The rate of the absorption of alcohol relies upon many things, that is, the concentration of the alcohol in the beverage, the kind of drink, and that whether the stomach is full or empty as food slows down the absorption of alcohol.
After getting absorbed, the alcohol moves into the bloodstream and gets dissolved in the water of the blood. The blood mediates alcohol all through the body. From the blood, the alcohol then enters and gets dissolved in the water within each and every tissue of the body.
If one takes a whiskey shot and holds it on the tongue than that whiskey moves through the walls of the tongue, the esophagus and then eventually the stomach. However, a shot of whiskey can be detected in the arms when is consumed on an empty stomach, and It touches every prime section of the body within 2 minutes.
What spf sunscreen should you use to exercise outside?a. at least 15?
Answer: Atleast 15 spf
Explanation:
SPF can be defined as the sun protection formula which is applied on the part of the part of the body which is going to be exposed in the sun.
Before 15 minutes to going out in the sunlight, sun protection formula should be applied on the bare skin.
The Different types of SPF protects different percentage of sunlight and the body is protected from the harmful UV rays of the sun that tans the body, spoils the texture of the skin and protects from skin cancer.
A spf 15 will protect 93% of the sun rays falling on it which is good if going out for exercise.
Which term describes the number of waves that pass a given point in a given time?
A. Crest
B.Frequency
C. Trough
D. Wavelength
The property of water that accounts for the ability of liquid water to absorb large amounts of heat and change relatively little in temperature is called
What is the spread of desert like conditions called?
The tip of the heart that lies on the diaphragm and points to the left of the body is the
The current system of classification includes which three domains?
If the mass of a material is 43 grams and the volume of the material is 11 cm 3, what would the density of the material be?
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The gravitational strength on Earth is greater than the gravitational strength on Mars. Which statement is correct?
The weight of an object will be greater on Earth than Mars.
The weight of an object will be greater on Mars than Earth.
The mass of an object will be greater on Earth than Mars.
The mass of an object will be greater on Mars than Earth.
Answer:
A:The weight of an object will be greater on Earth then on Mars.
Explanation:
Which term is used to classify amino acids in the diet? essential unessential partially essential moderately essential rarely essential?
All but one factor contributes to water pollution. That factor is
Two species of ant compete for limited resources in a front yard until only one species is able to remain. this is an example of __________.
Sara and juan conducted an experiment to test which soil would be best for growing plants. they planted bean seeds in four pots and placed the pots in the sunlight. each pot had a different type of soil. they used all three types of soil seen in the jar: sand, silt, and clay. they also made a mixture of soil using equal parts of sand, silt, and clay. once the seeds were planted, the watered the pots every day and tracked the seed germination and plant growth. what was the dependent variable in the experiment
The dependent variable in the Sara and Juan experiment was seed germination and therefore plant growth.
What is the dependent variable?The dependent variable is the experimental variable we need to measure in the experiment.
The independent variable does not change along with the experimental conditions.In conclusion, the dependent variable in the Sara and Juan experiment was seed germination and therefore plant growth.
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A client, age 87, with major depression undergoes a sixth electroconvulsive therapy (ect) treatment. when assessing the client immediately after ect, the nurse expects to find:
The nurse found a transitory short and long term memory loss and confusion. Electroconvulsive therapy is a kind of a procedure that done under general anesthesia, this procedure can changes the brain chemistry by giving the patient a small electric current that will pass through the brain intentionally making a small fast seizure. That’s why there are some side effects is memory loss, some memory problem improve after the treatment ends.
According to the Köppen climate classification system, _____.
dry climates include large savannas
highland climates have very low mean temperatures
humid mid-latitude climates have little precipitation
humid tropical climates do not experience winters
Humid mid-latitude climates have little precipitation occurs in koppen classification. Thus, the correct option is C.
What is Koppen climate classification system?According to Koppen climate classification system, humid tropical climates do not experience winter. The koppen climate classification system uses mean monthly and annual values of precipitation and temperature to classify a climate.
The humid tropical climate classification has a mean temperature of above 18 degrees Celsius and the precipitation can be more than 200 cm/year. This climate does not experience winter.
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How do lichens alter the abiotic environments to favor the establishment of other species of plants?
A. They are a good food source for pollinators.
B. They reflect sunlight to help then to grow.
C. They break down rock and form soil.
The correct answer is C. They break down rock and form soil.
The lichens are an example which shows mutualism and they are found in every biome of the Earth.
The lichens have algae and fungus associated with them and they live in a mutualistic relationship with each other. Lichens can grow on soil where no other species can grow like rocks, barren soils and they enrich the soil on dying where other plants and trees can grow.
Lichens being pioneer species change the environment by building up the soil and liberating nutrients. Also the lichens contribute to the chemical weathering of the soil releasing phosphate along with erosion and weather conditions.
When the simple plants die, the wildflowers and other plants start growing replacing lichens or mosses.
From the given information it can be concluded that lichens alter the abiotic environment and favor other species of plants to grow by breaking down rocks from soil and providing nutrients.
Where does mechanical breakdown of food occurs?
Cooking oil lipids consist of long, unsaturated hydrocarbon chains. would you expect these molecules to form membranes spontaneously? why or why not?
Cooking oil lipids consisting of long, unsaturated hydrocarbon chains are not expected to spontaneously form membranes. Membranes require phospholipids with both polar heads and nonpolar tails, which are not present in cooking oil lipids.
Explanation:Long, unsaturated hydrocarbon chains in cooking oil lipids make them unlikely to form membranes spontaneously. Membranes are typically composed of phospholipids, which have a polar head and nonpolar tails. While cooking oil lipids do have nonpolar hydrocarbon chains, they do not possess the polar head that is necessary for the formation of membranes. Therefore, they are not capable of forming membranes on their own.
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If a cell containing 8 chromosomes divides by mitosis, how many chromosomes will be in each daughter cell
If a cell containing eight (8) chromosomes divides by mitosis, the number of chromosomes that would be in each daughter cell is: eight (8).
Cell division refers to a process through which a living cell changes from a generalized cell type into a specialized cell type for performing specific functions or tasks in the body of a living organism.
Basically, the two (2) types of cell division include the following:
Meiosis.Mitosis.Mitosis can be defined as a cell division or duplication through which a single parent cell produces two (2) genetically identical daughter cells.
During mitotic division, the two (2) genetically identical daughter cells produced by a single parent cell have the same number of chromosomes as their parent cell; this process is referred to as duplication division.
In conclusion, if a cell containing eight (8) chromosomes divides by mitosis, the number of chromosomes that would be in each daughter cell is eight (8).
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Cholesterol, though it is not an energy molecule, has importance in the body because it ________. cholesterol, though it is not an energy molecule, has importance in the body because it ________. helps provide essential nutrients to the brain and lungs helps mobilize fats during periods of starvation is a stabilizing component of the plasma membranes and is the parent molecule of steroid hormones enters the glycolytic pathway without being altered
Final answer:
Cholesterol is vital for the body as it is integral to cell membrane stability and functions as a precursor to steroid hormones, vitamin D, and bile salts necessary for fat digestion.
Explanation:
Cholesterol, though it is not an energy molecule, has importance in the body because it is a stabilizing component of the plasma membranes and is the parent molecule of steroid hormones. Cholesterol is essential for the proper functioning of the body, despite its negative reputation among laypeople.
It not only supports the structure of plasma membranes in animal cells but also serves as a precursor for vital biological molecules such as hormones (testosterone, estrogen, progesterone), vitamin D, and bile salts which are crucial for emulsification and absorption of fats. Additionally, cholesterol is involved in signaling processes and is a key component in nerve cells.