Which example best describes the order of energy flow in an ecosystem?
grass → grasshopper → mouse
rabbit → grass → eagle
sun → grass → eagle
mouse → eagle → grass
grass → grasshopper → mouse
Please help and explain the answer
Answer:
3a- the 1st one
Explanation:
3b- when comparing the genetic codes and looking for differences, the scientists could find the types of mutations that possibly happened, or different changes in the marine snails due to the rise of plastic waste in oceans.
When exponential growth is graphed, the trend line created looks like what letter of the alphabet?
Answer:
Letter J
Explanation:
I learned about this and i vividly remember this fact because it was so random. :)
Membranes are. A. Thin walls are the cells. B. Double-layers of phospholipids. C. Dual layers of Amino Acids D.Made up of waxes and sterols.
Membranes are B. Double-layers of phospholipids. Phospholipids are made up of a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.
Membranes are double layers of phospholipids. In the double-layered membrane, the hydrophilic heads face the outer environment (either the extracellular space or the cytoplasm) while the hydrophobic tails face each other forming the interior of the membrane.
This phospholipid bilayer provides the basic structure of cell membranes, which acts as a barrier to separate the internal cellular environment from the external environment and helps in maintaining the integrity of the cell. In addition to phospholipids, membranes also contain other lipids such as cholesterol, proteins, and carbohydrates, which play important roles in various cellular processes.
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HELP ME PLEASEE forget
Answer:
WAVE #3
Explanation:
Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 0.04 inches (1 millimeter) to more than 62 miles (100 kilometers). They also have the lowest frequencies, from about 3,000 cycles per second, or 3 kilohertz, up to about 300 billion hertz, or 300 gigahertz
Answer:
C
Explanation:
The wavelength is the distance between the peak of one wave and the peak of a second wave. So 3 has the longest wavelength, and 2 has the shortest.
Body cells that contain the full number of chromosomes, 46 in humans, are called
Answer:
somatic cells?
Explanation:
Of the three major types of handwriting characteristics line form includes, smoothness of the lines,
pen pressure, and slant
True or False?
A segmented worm has male and female reproductive organs in each segment. Some use hooks to attach to the intestinal wall. Which type of worm is this
The type of worm that has male and female reproductive organs in each segment and uses hooks to attach to the intestinal wall is a Tapeworm.
Segmented worms, also known as Annelids, are invertebrates characterized by their cylindrical body, segmented structure, and bristle-like appendages. They can be aquatic, terrestrial, or parasitic. The body of a segmented worm is divided into a series of identical, repeated segments or metameres. The segmentation of the body is a crucial feature that distinguishes annelids from other animals. Each segment includes a set of internal and external organs.What is a tapeworm?Tapeworms, also known as cestodes, are a type of parasitic flatworm that reside in the intestines of vertebrates. They are ribbon-like and consist of a long chain of segments known as proglottids, each containing male and female reproductive organs. In each proglottid, the female organs are located in the anterior portion, and the male organs are located in the posterior portion.
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Which best describes the arrangement of phospholipids in a phospholipid bilayer like that found in a cell membrane?
The arrangement of phospholipids in a phospholipid bilayer, like that found in a cell membrane, can be best described as a fluid mosaic model.
In this model, phospholipids form a double layer, also known as a bilayer, where their hydrophilic (water-loving) phosphate heads face the exterior, and their hydrophobic (water-fearing) fatty acid tails face the interior.
This unique structure allows the bilayer to act as a semi-permeable barrier, regulating the movement of substances in and out of the cell. The fluidity of the membrane is vital for various cellular processes such as membrane transport, cell signaling, and the fusion of cells and vesicles.
The fluid mosaic model also incorporates the presence of other membrane components, such as proteins and cholesterol. Integral proteins, which are embedded within the bilayer, can act as channels, receptors, or enzymes, while peripheral proteins attach to the membrane's surface and play a role in signaling or supporting the cell's structure. Cholesterol molecules, interspersed within the bilayer, contribute to membrane fluidity and stability.
In summary, the phospholipid bilayer in a cell membrane is characterized by its fluid mosaic model, where phospholipids, proteins, and cholesterol molecules are arranged in a way that ensures selective permeability, fluidity, and stability for the cell's proper functioning.
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What functional groups will be joined together if alanine and serine molecules combine to form a single molecule?
compare your rf results into groups that used the other extract. which of the pigments were the same in both plants?
Based on the given terms, it can be inferred that the question pertains to a chromatography experiment that was conducted to separate and identify pigments present in two different plant extracts. The pigments under consideration here are most likely the ones involved in photosynthesis, including chlorophylls.
To compare the rf results of the two groups, we need to first understand what rf values represent in chromatography. The rf value is the ratio of the distance traveled by a pigment to the distance traveled by the solvent front. It helps in identifying the specific pigments present in the extract by comparing their rf values with known standards.
One such common pigment would be chlorophyll, which is responsible for absorbing sunlight and converting it into energy for the plant. Both plants would require chlorophyll for photosynthesis, and hence it is likely that this pigment would be present in both extracts. Therefore, based on the given information, it can be concluded that chlorophyll is likely to be one of the pigments that was the same in both plants.
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John wants to test how temperature affects the mass of sugar that can be
dissolved in water. Which of the following factors must be the same between
the control group and the experimental group?
A. The mass of the sugar
B. The temperature of the water
O C. The volume of the water
O D. The time of day
SUMIT
Answer
the mass of the sugar
why would some people consider genetic engineering of cisgenic crops more natural than genetic engineering of transgenic crops
Its the stoopid for mee
Answer:
Public perception has proven to be essential for the approval of genetically modified crops, in particular in Europe. Several surveys and focus group interviews in the United States and Europe clearly show that both intragenic and cisgenic crops are acceptable to a greater number of people than transgenic crops. Some people believe that cisgenesis should not face as much regulatory oversight as genetic modification created through transgenesis as it is possible, if not practical, to transfer alleles among closely related species even by traditional crossing. So, there is a need to use genetic techniques to improve crops over recent decades. Through the use of transgenics, one can produce plants with desired traits and even increased yields. The transgenics would allow for more crops that last longer and withstand pests and diseases.
Hope this helped you!
Explanation:
What are two environmental factors that can affect the function of the enzyme?
Answer:
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.
Explanation:
The beach is a place where a lot of erosion happens. Waves and wind are constantly moving sand from place to place. Which of these landforms could protect communities living near beaches during a hurricane that caused big waves to hit the coast?
A landform that could protect communities living near beaches during a hurricane with big waves hitting the coast is a natural barrier, such as a sand dune system.
Sand dunes are natural barriers that can provide protection to coastal communities during hurricanes and large wave events. These landforms are created by the accumulation of wind-blown sand over time. They act as a buffer between the ocean and land, absorbing and dissipating the energy of incoming waves.
During a hurricane, when big waves hit the coast, sand dunes can serve as a first line of defense, reducing the impact of wave action on the land. The dunes absorb the force of the waves, acting as a barrier that helps to prevent or reduce coastal erosion and flooding.
The vegetation that typically grows on sand dunes, such as beach grasses and shrubs, also plays a vital role in stabilizing the dune system. The plant roots help bind the sand together, enhancing the dune's ability to withstand wave action and erosion.
In addition to sand dunes, other landforms that can provide protection include offshore reefs or barriers, which can help dissipate wave energy before it reaches the shore. However, the specific protective landform would depend on the local geography and coastal characteristics of the area in question.
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the density of water is equal to 1.0 g/cm^{3}. A substance with density equal to 2.1 g/cm^{3} would ____ in water?
Answer:
Sink
Explanation:
Since water density is 1, substances whose density is less than 1 will float while those whose density is less than 1 will sink.
The more the density of the substance approaches 1, the less part will appear above the water level. Scientist discovered that the density of the substance tell exactly where the substance will be placed.
Example, a substance with density 0.1 then 10% will be below the water line while if the density of the substance is 0.9 then 90% of the substance will be below the water line.
Some kinetic energy is always converted into thermal energy by...
a) diffusion
b) friction
c) conduction
Answer:
b
Explanation:
which theoretical perspective proposes that the retina has three types of color receptors, which are sensitive to one of three colors: red, green, or blue?
The trichromatic theory proposes that the retina has three types of color receptors, which are sensitive to one of three colors: red, green, or blue.
The trichromatic theory asserts that there are three distinct cone systems in the eye that perceive three types of color: blue, green, and red. It is based on the combined works of the 19th-century scientists Young and Helmholtz. Every combination of colors that the brain perceives is made up of three colors: blue, green, and red, in accordance with the trichromatic hypothesis.
S-, M-, and L-cones, respectively, are the cones in the brain that correspond to blue, green, and red on a physiological level. Blue-yellow color blindness is caused by the loss of S cones, whereas red-green color blindness is caused by the loss of M or L cones.
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What is articulation mean when talking about college?
Answer:
An articulation agreement guarantees that classes completed at one school will count as credit toward a specific degree program when a student transfers to another college.
Explanation:
Which would least likely be a cause of natural selection?adaptationevolutionoverpopulationvariation
Least likely be a cause of natural selection the correct option is (c).Overpopulation.
The principle of the fittest surviving has to do with natural selection. Natural selection is therefore influenced by adaptation, variety, and overcrowding; those who do not adjust to their new environments due to overpopulation or those whose bodies have not undergone sufficient modification will not survive.
Evolution is a result of natural selection. Natural selection results from evolution. Evolution and natural selection are the same thing. Natural selection and evolution are unrelated. Evolution is a result of natural selection. A individual with sickle cell disease has the HbSS genotype. It is the main driving force of evolution. Charles Darwin's main ideas were written on the board by Veronica, however one of them had an error. The organisms in a population must reproduce since the environment cannot support as many offspring as they generate.
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This year, you grew 200lbs. of tomatoes. You used 20lbs. of organic fertilizer (at $4perlb.), and 100lbs. of compost, (at $2 per lb.). What was the total productivity of your tomato crop?
The total productivity of your tomato crop was -80 lbs., indicating that you experienced a net loss in terms of weight.
To calculate the total productivity of your tomato crop, you need to consider the weight of the tomatoes harvested and the cost of the fertilizer and compost used. The weight of the tomatoes harvested is given as 200 lbs. To calculate the cost of the organic fertilizer, multiply the weight (20 lbs.) by the cost per pound ($4), which gives you a total of $80. To calculate the cost of the compost, multiply the weight (100 lbs.) by the cost per pound ($2), which gives you a total of $200. Now, to find the total productivity, subtract the cost of the fertilizer and compost from the weight of the tomatoes harvested:For more questions on productivity
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what is biology ?????
Answer:
Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
Explanation:
A field of biology may be especially concerned with the investigation of one kind of living thing—for example, the study of birds in ornithology, the study of fishes in ichthyology, or the study of microorganisms in microbiology.
Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
Biology is the science of life and living organisms.
If this is correct please give me brainliest.
In which situation would you see a partial lunar eclipse?
A.
the entire Moon passes through Earth’s shadow
B.
the Moon passes between Earth and the Sun
C.
a portion of the Moon passes through Earth’s shadow
D.
the Moon lies completely outside of Earth’s shadow
The situation would you see a partial lunar eclipse is a portion of the Moon passes through Earth’s shadow option -c is correct answer.
An incomplete lunar eclipse is what?As the name implies, a partial lunar eclipse happens when the Sun, Earth, and Moon aren't exactly lined up. As a result, only a portion of the Moon enters Earth's umbral shadow and is thus completely covered in red light.
a solar eclipse in which some of the sun's direct rays reach the observer because the moon does not completely block the sun's surface or photosphere. : the entire total solar eclipse that occurs outside of the path of totality.
When the Moon passes between the Sun and Earth, a partial solar eclipse occurs, but the Sun, Moon, and Earth are not exactly lined up. The Sun will appear to be partially obscured, taking on the shape of a crescent.
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Which of the following are factors in a marine biome that are not factors in a terrestrial (or land) biome?
water and temperature
dissolved oxygen and salinity
Answer: Dissolved oxygen and Salinity
Explanation: Good luck! :D
Show a cross between a short haired guinea pig (hh) and a longhaired guinea pig (Hh). Begin with a nice and neat punnet square!
(Please help me fill out the punnet square with the picture provided)
Answer:
Here's the punnet square
Explanation:
the top is the longhaired guinea pig (Hh), the side is the short haired guinea pig (hh).
hope this helped.
Traits are determined by the sequence of nucleotides in DNA
O
True
O False
Answer: false
Explanation:
which of the following groups of organisms is most responsible for the majority of primary production on planet earth? choose one:a. chemoheterotrophsb. photoautotrophsc. chemoautotrophsd. photoheterotrophs
Photoautotrophs are the groups of organisms is most responsible for the majority of primary production on planet earth.
Moreover, Photoautotrophs are organisms that use light energy and inorganic carbon to produce organic materials. Eukaryotic photoautotrophs absorb energy through chlorophyll molecules in their chloroplasts, while prokaryotic photoautotrophs utilize the chlorophylls and bacteriochlorophylls present in their cytoplasm. Photoautotrophs include photosynthesizing microorganisms and green plants. Holophytic creatures are sometimes referred to as such. Photoautotrophs include several higher plants trees, corn plants, etc., green algae and cyanobacteria, phytoplankton.
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How can one adjust pacing to keep heart rate in the target zone?
The third option i the correct one: "if the heart rate is above target zone, move to a less cardio-intensive activity". The other options tend to surpass heart target zone as they imply more effort. While the third, suggest to slow motion, without being completely static, in order to allow the heart rate to return to the target zone.
During coal formation, lignite turns into:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
igneous rock.
anthracite coal.
peat.
bituminous coal
Between sub-bituminous and anthracite, bituminous coal is the middle rank. Bituminous coal generally has a high warming (Btu) esteem and is utilized in power age and steel making in the US. The correct answer is Bituminous coal.
Lignite is a dim brown to dark ignitable mineral framed more than a huge number of years by the halfway deterioration of plant material subject to expanded tension and temperature in airless air. Simply put, lignite is the same as coal.
Brown coal, also known as lignite coal, is the lowest-grade coal with the lowest carbon content. Lignite is mostly used to make electricity because it has a high moisture content and low heating value.
The first stage of a coal formation during coalification is lignite, which can eventually transform into bituminous coal, higher-ranking coal. Bituminous coal is shaped from the compaction and warming of natural materials, including lignite, over a significant stretch of time. In comparison to lignite, it has a darker color and a higher energy content.
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This type of tree is not found in the temperate forest because its shallow roots cannot withstand the climate.
A.) beech tree
B.) oak tree
C.) maple tree
D.) palm tree
Explanation:
Maple tree is not found in the temperate forest because its shallow roots cannot withstand the climate.