Answer:
Xylem & Phloem are two types of vascular tissue found in plants.
Answer:
The vascular system is made up of two conducting tissues, xylem and phloem, which conduct water and photosynthetic products respectively.
Explanation:
Which process makes a copy of a DNA
molecule?
A. mutation
B. replication
C. transcription
D. translation
Answer:
replication
Explanation:
makes cope of itself during cell division
If hair color, eye color, and the presence or absence of freckles were consistently inherited together, the best explanation would be that _____.
the genes for these characters are linked on the same chromosome
PLEASE ANSWER ASAP - Why are many producers needed to support a smaller number of consumers in food pyramids?
A) Because a tremendous amount of energy is lost as one moves up trophic levels.
B) Because of the exponential increase in energy gained as one moves up the trophic.
C) Because even though there is a greater number of organisms at the uppermost trophic levels, their total energy needs are far greater than those of all species combined at the lower trophic levels.
D) Because the total mass of the consumer level is far greater than that of the producers.
Answer:
A
Explanation:
Because the number of energy is lowering down as it leveled up in pyramid.
Many producers needed to support a smaller number of consumers in food pyramids because a tremendous amount of energy is lost as one moves up trophic levels, as in option A.
What is energy in an ecosystem?The energy available to an ecosystem originates from the sun and is captured by photosynthetic organisms such as plants. These organisms convert light energy into chemical energy through photosynthesis, and this energy is stored in the form of organic molecules like carbohydrates, lipids, and proteins. These organic molecules serve as food for other organisms in the ecosystem, including herbivores, carnivores, and decomposers. However, as energy moves up the food chain from one trophic level to the next, much of it is lost due to inefficiencies in energy transfer and cellular respiration.
Hence, many producers needed to support a smaller number of consumers in food pyramids because a tremendous amount of energy is lost as one moves up trophic levels, as in option A.
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what are the 3 categories of nutrients?
Answer:
I thought there were only two; macronutrients and micronutrients
Explanation:
fats, carbohydrates and proteins
what does cell differentiation most regulated by?
Answer:
The process of cell differentiation results in the production of many types of cells, including germ, somatic, and stem cells. Cell differentiation is most directly regulated by: ATP.
Explanation:
How is the male reproductive system different from other body systems? it is not necessary for an individual's survival. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.
The difference between the male reproductive system to other body systems is it isn’t necessary for vital signs.
What is the male reproductive system?The male reproductive system consists of the testes, prostate gland, vas deference, and urethra.
Its main functions are to produce male hormones and transport and produce sperms.
It is a necessary system to show the signs and characters of males.
Thus, the correct option is A, it isn’t necessary for vital signs.
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Answer: The answer is A: It is not necessary for an individual's survival
Explanation:
Took the test edge 2022
Word an explanation of an event in nature has occurred
Answer:
the answer to that question is incident
What do these two changes have in common?
What these two changes have in common is : ( B ) Both are caused by heating
Similarities between gasoline engine and bakinf cookiesWhen baking cookies a reasonable amount of heat energy is expended to convert the mixed recipes into baked cookies also an engine using gasoline to power a car requires heat energy to convert it the gasoline into mechanicla energy.
Hence we can conclude that the common thing with these two channges is Both are caused by heating.
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Pe work , at least 4 sentences
Hi! Happy to help with this!
OKAY! So there are seven main muscle groups involved in running.
HamstringsGlutealsHip Flexors (Also known as Tenor Fasciae Latae "FTL)AbdominalsCalvesAnterior TibialisQuadsNow that the seven main muscle groups are named, onto the locations.
Quads are located on the side of the thigh. The Anterior Tibialis' are located on the outside surface of the tibia.Calves can be found behind the shin bone, on the back of the lower leg.The abdominal muscles are located between the ribs & pelvis.The Hip Flexors are located in the pelvic area on the front top part of the thigh.The gluteals can be found on the back portion of the hip bone and at the top of the thigh bone. Overall, the portion of it is in the buttocks. The hamstrings is located at the back of the thigh to below the knee.ONTO THE HEALTH RELATED COMPONENT
Cardiovascular fitness is the health related component being improved. They're also improvements in flexibility, muscular strength, and endurance. The body's composition is improved since this type of health related component actually causes weight loss and muscle gain.
The model shows the flow of energy at each trophic level.
Which trophic level contains the most energy, and why?
A Producers; they have the largest number of individuals of all the trophic levels.
B Primary consumers; they have the most variety of plants from which to obtain energy.
C Secondary consumers; they release the least amount of energy into the next trophic level.
D. Tertiary consumers; they have the smallest number of individuals that need to collect energy.
Answer:
Producers
Explanation:
They get their energy directly from the sun, meaning they have the most. As if goes up the food chain, energy is lost.
Typically, amides will hydrolyze under ________ conditions than esters.
Typically, amides will hydrolyze under More vigorous conditions than esters
What are Amides ?Amides are inorganic compounds that contain the group C(O)NH₂, It is derived by replacing a hydrogen atom by a metal which contains NH2−.
Amides require strong conditions for the process of hydrolysis with acid when compared to hydrolysis of esters with acid.
Hence we can conclude that Typically, amides will hydrolyze under More vigorous conditions than esters
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What would happen to abiotic factors of an ecosystem if beavers were taken away ?
Answer:
For Example -if a plant is adapted to low temperatures and the specific are where it lives, has a change in its temperature(thanks to global warming!)
this plant will die and this area will no longer support life, which is due to the change in abiotic factor (temperature).
How many thumb widths are there in the length are in your shoe
Answer:
everybodies shoe size is different so the answer will vary from person to person
Explanation:
How does blood travel in the mammalian circulatory system.
Answer:
THIS IS THE ANSWER BUT FROM online:
Blood is pumped from veins of the systemic circuit into the right atrium of the heart, then into the right ventricle. Blood then enters the pulmonary circuit, and is oxygenated by the lungs. From the pulmonary circuit, blood re-enters the heart through the left atrium.
REWORDED BY ME:
Blood is pumped into the right atrium of the heart from veins in the systemic circuit, then into the right ventricle. The blood next enters the pulmonary circuit, where the lungs oxygenate it. The left atrium is where blood returns to the heart from the pulmonary circuit.
Explanation:
I really hope this helped in some way <3 have a good morning:)
hi i dont know what subjects these fall in: (
different for each bullet point, (chem physics, or biology)
- acids and alkalis
- sound
- ecosystems
- atoms, elements and compounds
- energy
hope it helps...!!!
If one parent has type A blood and one parent has type B blood, what blood type is possible for their child
Answer:
The child can either have A,B or AB blood types.
What is the key difference between primary and secondary succession?.
Answer: Primary succession occurs in an environment without previous life, or a barren habitat. Secondary succession occurs in an area that had previously been inhabited but experienced a disturbance, such as a wildfire. The newly created volcanic island has no previous life, and is made of rock, devoid of soil.
Explanation:
How many molecules of carbon dioxide are used up by the plant in producing each molecule of oxygen
River plants have to cope with moving water. plants, like eelgrass, have short wide leaves so they don't get washed away. question 5 options: true false
River plants like eelgrass, will have narrow or thin leaves as an adaptation so they don't get washed away, thus the statement anove is False.
What is an adaptation?An adaptation refers to a structural or behavioral modification that an organism possesses which enables it to survive in its environment.
A river plant will have to cope with the current told the river.
A river plant will o this by minimizing area of contact with the water.
Thus, plants, like eelgrass, have narrow or thin leaves so they don't get washed away.
Therefore, the statement that plants, like eelgrass, have short wide leaves so they don't get washed away is False.
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Microbial proteins with a strong specificity for a target cell that exert extremely powerful, and sometimes deadly, effects on that cell are called
Toxins are microbial proteins with a strong specificity for a target cell that exert extremely powerful and toxic effects on that cell.
What are toxins?Toxins are molecules that are produced by certain organisms which are deadly to other organisms when these organisms come in contact with them.
Toxins are produces mostly by microorganisms as well as some plants and animals such as fishes.
Toxins are mostly proteins products are usually specific for their targets cells.
Therefore, microbial proteins with a strong specificity for a target cell that exert extremely powerful, and sometimes deadly, effects on that cell are called toxins.
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A phylogenetic tree is shown.
Which two organisms are most closely related to each other?
A Pacific electric ray and pufferfish
B pufferfish and swellfish
C zebrafish and mouse
D sharks and human
Answer:
pufferfish and swellfish
Explanation:
they are in the same little catagory thing, meaning they came from the same time period. they are the closest related animals in the diagram. i hope this helped! have an awesome, amazing day! (:
what is a cell division? whats another name for a cell division?
When an organism's tiny building blocks undergo a process of splitting into two parts, that's cell division. Another name for cell division is "mitosis."
If you study biology, you'll learn about cell division, when a cell divides into two smaller "daughter cells." During cell division, all the tiny elements of the cell also divide — including the cell's chromosomes, nucleus, and mitochondria. The new cells are genetically identical to the original cell. In addition to mitosis, the simple division of one cell into two, there's also meiosis, when a cell splits into four new cells, each with half the original number of chromosomes.
Hope I helped: Lemon Lex,
PLEASE HELP ASAP! WILL BRAINLIEST
Location E is located at the Tropic of Cancer, while location F is at the equator. Which location is likely to be warmer at the start of the summer in June?
Location E, because Earth is receiving equal sunlight throughout
Location F, because Earth is receiving equal sunlight throughout
Location E, because Earth's axis is tilted towards the sun
Location F, because Earth's axis is tilted away from the sun
Answer:
The answer is c
Explanation:
The location is likely to be warmer at the start of the summer in June is "location E, because Earth's axis is tilted towards the sun".
What is earth's?The Earth would be the closest planet to the sun and so the only current astronomical object to having life on it.
What is sun?The sun would be in the center of the earth, and even the planets revolve around it. The sun has a spherical form and just a mass of heated plasma, according to experts.
The Earth's northern hemisphere was heated by the sun. In the northern hemisphere, summer means longer daylight hours, the sun being directly overhead, and even the sun's rays hit the ground greater directly, resulting in warmer temperatures. The north pole gets lit up all the time.
Therefore, the correct answer will be option (C).
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A neuron membrane potential moves from -90 mV to -80 mV in response to a brief stimulation. We would term this change in potential as a(n)
Answer:
What behavior is observed if the voltage across a neuronal membrane is set to -20 mV? The voltage-gated sodium and potassium channels both remain closed. The sodium channel opens, and Na+ ions flow out.
The membrane begins to depolarize when an external stimulus is applied. The membrane voltage begins a rapid rise toward +30 mV. The membrane voltage starts to return to a negative value. Repolarization continues past the resting membrane voltage, resulting in hyperpolarization
A neuron membrane potential moves from -90 mV to -80 mV in response to a brief stimulation this change in potential as a(n) Depolarization.
What is Hyperpolarization ?Hyperpolarization is while the membrane ability turns into extra terrible at a selected spot at the neuron's membrane, whilst depolarization is while the membrane ability turns into much less terrible (extra high quality).
Depolarization. A depolarization refers to a motion of the resting membrane ability in a extra high quality direction (in the direction of zero mV).
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Which researcher theorized that hypnosis comes about as a form of roleplay between hypnotist and subject? a. ernest hilgard b. theodore sarbin c. theodore barber d. milton erickson
Milton Erickson is the researcher who theorized the hypnosis that comes out form the roleplay between hypnotist and subject.
What do you mean by Hypnosis?Hypnosis may be defined as a state that corresponds to sleep but is caused by a person whose directions are readily accepted by the subject.
Milton Erickson performed a lot of research on the concept of hypnotism. He specializes in hypnotism and the unconscious state of mind to a larger extent.
Therefore, Milton Erickson is the researcher who theorized the hypnosis that comes out form the roleplay between hypnotist and subject.
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2. A hypothesis is an educated guess based upon observation. It is an
explanation of a single event based upon what is observed. A hypothesis has not
been proved but can be supported by experimentation.
a) Suppose that out of 10 trees planted in a yard, only five survived. What kind of
hypothesis could you make about this observation or event? Remember that a
hypothesis needs to have a certain format. (2 points)
I
Answer:
I could make a hypothesis like the other five didn't have enough sunlight
Explanation:
I would say that because the five could have been in the shade. it could have also been that they didn't get enough water
Answer:
Brainliest pls
Explanation:
Based upon the experience with the trees, I’d make the hypothesis that my yard was not sustainable enough to support all of the trees, so only half lived.
Write characteristic and function about plastids
Explanation:
CHARACTERISTICS : Plastids are double-membrane organelles that are found in the cells of plants and algae. Plastids are responsible for the manufacturing and storing of food. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell. Plastid is a membrane-bound organelle found in the cell of plants, algae and a few eukaryotic cells.FUNCTION : Plastids are the cytoplasmic organelles found only in plant cells. On the basis of pigments present, plastids are of three types: (i) Leucoplasts (colourless plastids) (ii) Chloroplasts (green coloured plastids)(iii) Chromoplasts (coloured plastids other than green). Leucoplasts are for storage of starch grain and oil drops. Such colourless plastids are present in underground roots, stems. Chloroplasts are mainly for photosynthesis. They are present in leaves. Chromoplasts are responsible for the characteristic colour of flower and fruit. They are involved in attracting insects, various vectors for pollination and for fruit dispersal.In the debate on global warming, what changes are listed as a result of burning fossil fuels? (select all that apply)
Question 4 options:
rising sea levels
stable temperatures from year to year
extreme weather
glacier melting
When it comes to global warming, some of its associated effects include rising sea levels, extreme weather events, and melting glaciers.
Global warmingGlobal warming refers to the rise in the average global temperature as a result of an increase in the concentration of greenhouse gases in the atmosphere.
Burning of fossil fuels increases the level of greenhouse gases such as carbon dioxide and oxides of sulfur in the atmosphere. These gases form a radiation absorbing blanket over the atmosphere and prevent reflected radiation from the sun from returning back to space.
The increase in global temperature results in the melting of the polar ice caps and glaciers with the water being discharged into the various seas of the world. Thus, causing a rise in their normal levels.
Increase in global temperature also causes extreme weather events such as drought, flooding, etc, as a result of erratic climate.
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Answer: Global warming, some of the effects of global include rising sea levels, extreme weather events, and melting glaciers
One characteristic shared by Bacteria and ____________ is the presence of ester bonds in their membrane lipids.
In three to five sentences, construct an argument for the claim that natural selection leads to evolution. Provide evidence for this claim, and be sure to explain how an organism shows the four parts of the process of natural selection. You may use any organism with the exception of bacteria and antibiotic resistance
Answer:
Natural selection leads to evolution due to the way reproduction works. In the example of European moths during the industrial revolution, we can see this clearly. When the industrial revolution was going, there was more pollution, hence darkening the skies and leaving ash. Moths, which before were white with occasional black spots dominated the area until pollution effected their environment. Whiter moths were eaten by bird who could easily see them against the black trees and skies. These moths could no longer reproduce, they were dead. Moths with more black could survive longer to reproduce because they were harder to see. As time went along, the moths turned mostly black, showing an example of evolution.