indentify a pioneer species for an area recovering from molten rock:
Answers
A pioneer species for an area recovering from molten rock could be lichens.
How to identify pioneer species?Pioneer species for an area recovering from molten rock are organisms that are able to colonize and establish themselves in harsh, inhospitable environments such as newly formed volcanic islands or lava flows.
These organisms are typically hardy and can survive in environments with little to no soil or nutrients. One example of a pioneer species for an area recovering from molten rock is lichens.
Lichens are a symbiotic association between a fungus and an alga or a cyanobacterium, and they are able to grow and establish themselves on bare rock surfaces. As they grow, they break down the rock, creating soil and making it possible for other plants to eventually establish themselves.
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Related Questions
Traits acquired during an organisms lifetime can be passed down to its offspring true or false
Answers
Answer:
False
Explanation:
An acquired trait is the character developed in an individual as a result of environmental influence. These traits are not coded by the DNA of a living organism and therefore cannot be passed on to future generations.
according to the text, all of the following are forms of microform except:
Answers
Microform is a technology that has been developed to store and preserve information on a small scale. It includes different forms of document reproduction that are on a reduced scale and require magnification to be read. Some examples of microforms are microfilm, microfiche, and ultrafiche. However, the text states that there are forms of microform that are not included in this list. Therefore, it can be concluded that there are other types of microform that have not been mentioned, but they also require magnification to be read and are on a reduced scale.
It is important to note that microform technology has been widely used in libraries and archives to store and preserve information, making it more accessible for research and education purposes.
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as in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. knowing what the different terms mean is essential to understanding and describing the processes occurring in the cell. drag the terms on the left to correctly complete these sentences. not all the terms will be used. view available hint(s)for part a resethelp 1. dna replication produces two identical dna molecules, called blank, which separate during mitosis.target 1 of 8 2. after chromosomes condense, the blank is the region where the identical dna molecules are most tightly attached to each other.target 2 of 8 3. during mitosis, microtubules attach to chromosomes at the .target 3 of 8 4. in dividing cells, most of the cell's growth occurs during .target 4 of 8 5. the blank is a cell structure consisting of microtubules, which forms during early mitosis and plays a role in cell division.target 5 of 8 6. during interphase, most of the nucleus is filled with a complex of dna and protein in a dispersed form called blank.target 6 of 8 7. in most eukaryotes, division of the nucleus is followed by blank, when the rest of the cell divides.target 7 of 8 8. the blank are the organizing centers for microtubules involved in separating chromosomes during mitosis.
Answers
1. DNA replication produces two identical DNA molecules, called SISTER CHROMATID(S), which separate during mitosis.
2. After chromosomes condense, the CENTROMERE(S) is the region where the identical DNA molecules are most tightly attached to each other.
3. During mitosis, microtubules attach to chromosomes at the KINETOCHORE(S)
4. In dividing cells, most of the cell's growth occurs during INTERPHASE
5. The MITOTIC SPINDLE(S) is a cell structure consisting of microtubules, which forms during early mitosis and plays a role in cell division.
6. During interphase, most of the nucleus is filled with a complex of DNA and protein in a dispersed form called CHROMATIN
7. In most eukaryotes, division of the nucleus is followed by CYTOKINESIS, when the rest of the cell divides.
8. The CENTROSOME(S) are the organizing centers for microtubules involved in separating chromosomes during mitosis.
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Full Question:As in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. Knowing what the different terms mean is essential to understanding and describing the processes occurring in the cell.
4. The most likely cause of the overall
change in the level of carbon dioxide from
1960 to 1990 is an increase in the-
360
number of violent storms
number of volcanic eruptions
use of nuclear power
use of fossil fuels
Answers
Answer:
d
Explanation:
maybe, I was pondering between c and d but I think it's d since it produced more co2 than c does
What adverse effects does covering the land with concrete and asphalt create?
1.Natural resources are depleted.
2.The flow of water in rivers is changed.
3.Vegetation and trees cannot grow.
4.Non-native species are introduced to a foreign environment.
Answers
Covering the land with concrete and asphalt creates natural resource depletion, alters water flow, impairs the growth of vegetation, and can cause the growth of invasive species.
Effects of covering lands with concrete and asphaltCovering land with concrete and asphalt has adverse effects on the environment. It depletes natural resources during construction and maintenance.
The impermeable surfaces disrupt the natural water flow, altering rivers and increasing runoff, leading to flooding and erosion. Vegetation and trees struggle to grow as concrete and asphalt prevent sunlight, water, and air from reaching the soil.
This impacts biodiversity, wildlife habitats, and the ability of plants to purify the air and sequester carbon. Additionally, the transportation of materials and equipment for construction can introduce non-native species, causing ecological imbalances. Mitigation efforts and alternative land management practices can help alleviate these effects.
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Nerve impulses for the sense of hearing are initiated in the spiral organ (organ of Corti) and then travel through the _____ to the cochlear nuclei in the _____.
Answers
Answer:
cochlear branch of cranial nerve VIII; medulla oblongata
Explanation:
why do scientist say "Dont panic"
Answers
Answer:
Because you could do something irrational
Explanation:
Can someone please help me? :( I’ll give brainliest!!
Answers
Answer:
I Think it is B
but i can really see what D is saying
are fish capable of drowning?
Answers
Answer:
yeah they need oxygen every once in awhile
hence why you see dolphins and whales surface in the ocean
The cell membrane acts as a barrier between the cell and its environment. Which best describes the type of barrier that the cell membrane forms?
Answers
Answer:
B: Permiable but selective, like a wall with gates.
Explanation:
If you stopped gel electrophoresis halfway during the running time, what would you expect?.
Answers
If you stopped gel electrophoresis halfway through the running time, not all of the pieces in the gel have yet dissociated from one another.
The fragment size is the basis for gel electrophoresis. The distance a piece travels depends on its size; the smaller it is, the farther it travels, and the longer it travels. Therefore, if gel electrophoresis is interrupted midway, the fragments won't be adequately separated.
A laboratory technique called gel electrophoresis is used to divide combinations of DNA, RNA, or proteins based on their molecular sizes. In gel electrophoresis, the molecules that need to be separated are forced through a gel that has tiny pores by an electrical field.
Gel electrophoresis is a method for classifying biological components according to size. These molecules are separated by putting them in a gel with tiny pores and applying an electric field to the gel as a whole.
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In order to reduce the risk of neural tube defects in a developing fetus, the most important time for a woman to consume adequate amounts of folate is Quizlet
Answers
In order to reduce the risk of neural tube defects in a developing fetus, the most important time for a woman to consume adequate amounts of folate is before and during the early stages of pregnancy. It is recommended that women who are planning to become pregnant should begin taking folic acid supplements at least one month prior to conception.
Folate, also known as folic acid, is a B-vitamin that plays a crucial role in the development of the nervous system in a growing fetus. Adequate intake of folate has been linked to a reduced risk of neural tube defects, such as spina bifida and anencephaly.
The neural tube is the structure that eventually develops into the brain and spinal cord. During the early stages of pregnancy this structure is particularly vulnerable to damage from inadequate folate intake. Therefore, it is important for women to consume adequate amounts of folate before and during the early stages of pregnancy.
In addition to taking supplements, folate can also be obtained through a diet that includes foods such as leafy green vegetables, beans, and fortified cereals. Women who are at a higher risk of having a child with neural tube defects, such as those who have had a previous pregnancy affected by a neural tube defect or those who have a family history of neural tube defects, may require higher doses of folic acid supplements and should consult with their healthcare provider.
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How are ocean currents formed?
Answers
Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of seawater that circulate through the ocean.
Answer:
by wind and density
Explanation:
Imagine that a company is planning to build a new factory in your region that will provide hundreds of well-paid jobs, but will cause minor amounts of air pollution within a two-mile radius. Answer the following questions: How would you rate your support for the factory if you lived 50 miles away from its planned location? How would you rate your support for the factory if you only lived one mile away from its planned location? Explain any differences between your answers.
Answers
I'm aware that well-paying jobs would be beneficial to a large number of people, and a tiny bit of air pollution in a restricted region seems like a modest price to pay for employment opportunities. Therefore, if I lived 50 miles away from the proposed industrial location, I would be in favor of the project. However, if I merely lived a mile from the proposed facility, I could be concerned due to potential negative health consequences, offensive odors, and a likely drop in property values. If I merely lived a mile from the factory's proposed location, I would oppose it in light of these worries.
solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Answers
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
A dam is built in a remote area to provide electricity to nearby towns.
What is an unlikely effect of the dam? help!!!
Answers
Answer: option D decreased aquatic life upstream from warmer temperatures.
Explanation:
Answer:
increased fertility of the land downstream
Explanation:
I did the test
A student collects some of the solution from the phloem in the stem of a plant. Which of the following would be present in the liquid?
A) Glucose
B) Starch
C) Amino Acids
D) Cellulose
HELP!!!
Answers
Answer:
D
Explanation:
Epinephrine is a hormone that regulates cellular energy metabolism to break down glycogen into glucose. The signal transduction pathway involves the production of cAMP. If caffeine blocks the activity of cAMP, what would happen to the signal transduction pathway?
The signaling pathway will amplify and produce more glucose.
The signaling pathway will conform to bind to the receptor cells.
The downstream components will be altered and ultimately affect production of glucose.
The downstream components will function normally.
Answers
Answer: The downstream components will be altered and ultimately affect production of glucose.
Explanation: Epinephrine is a hormone that belongs to a class of biomolecules called catecholamines. When it reaches the target cell it binds to a receptor that is connected to an enzyme called adenylate cyclase that converts ATP into cAMP(cyclic adenosine monophosphate). cAMP plays an important role in the phosphorylation of proteins which alters their activity. In this case the activity of the enzyme that hydrolyses glycogen to glucose. When caffeine blocks the activity of cAMP it ultimately inhibits the action of the downstream components.
If caffeine blocks the activity of cAMP, then in the signal transduction pathway the downstream components will be altered and ultimately affect the production of glucose. Thus, the correct option is C.
What is Epinephrine?
Epinephrine is also known as adrenaline. It is a hormone which belongs to a class of biomolecules called catecholamines. When this hormone reaches the target cell it binds to a receptor present on the cell that is connected to an enzyme called the adenylate cyclase which converts ATP into cAMP (cyclic adenosine monophosphate).
cAMP plays an important role in the phosphorylation of proteins in the cell which alters their activity. In this case, the activity of the enzyme that hydrolyses glycogen to glucose. When caffeine blocks the activity of cAMP, it ultimately inhibits the action of the downstream components involved in the signaling pathway.
Therefore, the correct option is C.
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Explain why the null hypothesis Upper H 0 : mu 1 equals mu 2 is equivalent to the null hypothesis Upper H 0 : mu 1 minus mu 2 equals 0. Choose the correct answer below. A. They are equivalent through algebraic manipulation. B. They are equivalent because the null hypothesis, Upper H 0, is always assumed to be true. C. Bydefinition, the null hypothesis is always equal to 0. Therefore, these hypotheses are equivalent. D. The values of mu 1 and mu 2 are equivalent in every population. Therefore, these hypotheses are equivalent.
Answers
The null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0 because they are equivalent through algebraic manipulation (Option A).
A null hypothesis is a hypothesis that is tested for possible rejection under the assumption that it is true. It is generally denoted by H0. A null hypothesis usually states that the two populations under consideration are the same or equal.
Algebraic manipulation is the technique of manipulating algebraic expressions to simplify or prove a mathematical relationship. The null hypothesis Upper H0: μ1 = μ2 can be transformed by subtracting one population mean from the other to get H0: μ1 − μ2 = 0. So the null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0.
Thus, the correct option is A.
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In a segment of double-stranded DNA, complementary bases on opposite strands are connected via ________ bonds.
Answers
The complementary bases on opposite strands of a segment of double-stranded DNA are connected via hydrogen bonds.
The double-stranded DNA molecule is composed of two antiparallel strands that are held together by hydrogen bonds between complementary base pairs. Adenine (A) pairs with thymine (T) via two hydrogen bonds, while guanine (G) pairs with cytosine (C) via three hydrogen bonds.
The hydrogen bonds occur between the nitrogenous bases of the complementary strands, forming a stable and specific interaction between the two strands. The hydrogen bonds between the complementary bases provide the necessary stability to the DNA double helix, allowing it to store and transmit genetic information accurately during cell division and DNA replication.
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Fill in the lab questions about you alien and thinking about genetics!
Did your alien have more or less features in common with your peers? Why do you think so?
Answers
Horses and zebras can be bred to produce a zorse,which is infertile.which is most likely the reason zebras and horses are considered different species
Answers
Answer:
b: their offspring cannot breed
Explanation:
| |
\ . . /
What are the three general classes of neurons that correspond to the three major aspects of nervous system function
Answers
Sensory neurons, motor neurons, and interneurons.
when muscles combine to produce similar motions at a joint, they are called: please choose the correct answer from the following choices, and then select the submit answer button. answer choices agonists. antagonists. isometric. flexors. extensors.
Answers
when muscles combine to produce similar motions at a joint, they are called agonist.
What is muscle?Soft tissues include muscles. Your muscles are made up of numerous elastic fibres. Your body contains more than 600 muscles. The functions of various muscle groups vary. Some muscles enable you to move quickly—like running or jumping—or deftly—like threading a needle. You can breathe or digest food with the help of other muscles. A powerful muscle, your heart beats hundreds of times per day.
Nearly every system and function of the body depends on muscles. Different muscle types aid in:speaking, swallowing, and breathing consuming food and eliminating waste.Moving, remaining seated, and rising straight. the heart and blood arteries pumping blood.
contraction and relaxation of uterine muscles while the mother pushes the baby through the birth canal.
Visual and auditory.
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explain how meitosis and fertilization produces genetic variation during sexual reproduction
Answers
Answer:
Explanation:
Genetic variation is increased by meiosis
During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.
Which structure is an important site for early blood cell formation and is the first of the extraembryonic membranes to form
Answers
Yolk sac is a structure that has a short duration in intrauterine development and is an important site for early blood cell formation.
What is the yolk sac?It is the bag that houses yolk inside and that allows the embryos of certain species to feed in the initial stages of development.
Due to this structure, the embryo receives oxygen and nutrients and can discard its waste, in the case of the human being, the yolk sac fulfills the functions of the circulatory system, until the internal circulation begins to develop.
Therefore, we can conclude that the yolk sac is a structure that has a short duration in intrauterine development and is an important site for early blood cell formation.
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most matter in ecosystems is lost as oxygen
true or false
Answers
Can I put which hazel in my ear
Answers
Answer:
Use an eyedropper to insert several drops of witch hazel into each ear to dry up pus and break up wax and other ear-clogging debris.
Explanation:
I hope this helps:)
1. Discuss how cells store energy and release energy using ATP. Be specific! Draw the ADP/ATP cycle to help with your explanation
please help,I'm stuck and this is due in a few hours q-q
Answers
Answer:
A process called cellular respiration, chemical energy in food is converted into chemical energy that the cell can use, and stores it in molecules of ATP. When the cell needs energy to do work, ATP loses its 3rd phosphate group, releasing energy stored in the bond that the cell can use to do work.
Explanation:
I actually found this perfect example on the internet. Its the first part to your question.
The hydrolysis of the phosphate bonds in the ATP is used by cells to release energy; whereas the conversion of ADP and phosphate to ATP is used to store energy.
Adenosine thiophosphate (ATP) is the energy coin of the cell.
The hydrolysis of the terminal phosphate bond of ATP is an exergonic reaction that releases energy, which is used by cells to carry out different metabolic functions (e.g. growth, differentiation, reproduction, etc).
When one phosphate group of the ATP molecule is removed by hydrolysis, ATP is converted into ADP and phosphate.
Moreover, during cellular respiration, cells catalyze the formation of phosphate bonds when ADP is combined with phosphate to form ATP.
In conclusion, hydrolysis of the phosphate bonds in the ATP is used by cells to release energy; whereas the conversion of ADP and phosphate to ATP is used to store energy.
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Please help me on number 2 and 4 i really need the answer now PLEASE HELP
Answers
The awnser for nombre 2 is d