pls help fast lol
Decide whether each of the following events would
result in primary or secondary succession.
3. A volcano erupts covering land in lava rock:
Type text here
4. Humans clear land for farming:
Type text here.
5. A lake dries up, forming a marsh:
Type text here
6. A wind storm builds new sand dunes:
Type text here
Answers
Answer:
Primary
Secondary
Secondary
Primary
hope this helps <3
The following events would result in primary or secondary succession are:
1. A volcano erupts covering land in lava rock: primary succession.
2. Humans clear land for farming: Secondary succession.
3. A lake dries up, forming a marsh: Secondary succession.
4. A wind storm builds new sand dunes: primary succession.
What are main differences between primary and secondary succession?
Primary succession happens in a region without any initial verdure. Secondary succession occurs in a region with initial verdure. Primary succession is started either due to a biological factor or an outer agent. An external factor initiates secondary succession.
Thus, these are the answer.
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Related Questions
Explain the importance of using engine powered pump for irrigation works.
Answers
Answer and Explanation:
Engine irrigation pumps are used to propel water into the irrigation channels, providing full water supply to agricultural crops. The use of the engine pump has advantages and disadvantages. Among the advantages, we can present the simplicity of operation of these pumps, being easily operated efficiently. They also save energy and are essential for irrigation with more viscous liquids, when necessary. This feature is the main reason for using this type of pump.
Among the disadvantages we can say that these pumps have a slower and less accurate work.
a) Write down two factors they need to keep the same in their investigation
b) Write down the factor they change.
What do they measure to get their results?
water a light
Answers
Answer:
hope it helps mate
Explanation:
a) Two factors they need to keep the same in their investigation are the type of plant they are using and the amount of water and light they give each plant.
b) The factor they change is the amount of water and light they give to each plant.
To get their results, they measure the growth of each plant over a set period of time. They may also measure other factors such as the number of leaves, the height of the plant, or the color of the leaves to determine the overall health of the plant.
a) In their investigation, the students need to keep two factors the same:
1. Temperature: They must maintain a constant temperature of 25°C throughout the experiment.
2. Control substances: They need to keep the substances used in the control situation the same.
b) The factor they change is:
The students change the conditions related to the pH of the reaction mixture, the amount of yeast added, and the type of sugar used.
a) In their investigation, the students need to keep two factors the same:
1. Temperature: They must maintain a constant temperature of 25°C throughout the experiment. This ensures that any changes in the rate of fermentation are solely attributed to the variables they are testing.
2. Control substances: They need to keep the substances used in the control situation the same. This includes using 25 ml of buffer pH 7, 2 grams of sucrose, and 2 grams of yeast. Keeping these constant allows for a baseline comparison against the experimental conditions.
b) The factor they change is:
The variable being tested: The students change the conditions related to the pH of the reaction mixture, the amount of yeast added, and the type of sugar used. These variables are altered to observe their effect on the rate of fermentation.
To obtain their results, the students measure the pressure generated during the fermentation process. They use a Vernier Equipment Pressure sensor connected to a LabPro interface to record the pressure values over time.
By collecting and analyzing the pressure data, they can assess the rate of fermentation under different experimental conditions. The pressure readings indicate the gas produced as a byproduct of fermentation, providing a quantitative measure of the fermentation rate.
This allows the students to determine the optimal conditions for the new fermentation process to be used at the local bakery.
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What is the force that attracts an object toward the center of another object?
O Gravity
O Mass
Matter
Pounds
Answers
Answer:
gravity
Explanation:
because well GRAVITY!!
Ben is a geologist at a state park. The park experiences mild tremors several times a month. Ben has recorded the dates and times of the following tremors:
Date Time Strength of Tremor
(Moment Magnitude Scale)
7/06 18:31 0.4
7/08 2:12 1.1
7/13 11:01 0.8
7/13 22:45 1.2
7/15 5:37 1.1
7/16 13:22 1.3
7/17 1:02 0.9
7/18 12:59 1.4
7/18 20:18 1.1
Which of the following is an observation that Ben has made?
A.
The park has several active faults.
B.
On July 8, the tremor in the park measured 1.1 on the moment magnitude scale.
C.
The frequency of the tremors in the park will likely increase over time.
D.
If the tremors become stronger, they will begin to damage structures in the park.
Answers
Answer:
B
Explanation:
study island said so.
The only observation that can be made from the data is that the tremor on July 8 measured 1.1 on the moment magnitude scale. The answer is B. On July 8, the tremor in the park measured 1.1 on the moment magnitude scale.
The other options are not supported by the data. Option A is not supported because there is no evidence that the park has several active faults. Option C is not supported because there is no evidence that the frequency of the tremors in the park will likely increase over time. Option D is not supported because there is no evidence that the tremors will become stronger.
The data only shows that there were several tremors in the park over a period of two weeks. The tremor on July 8 was the strongest, with a magnitude of 1.1 on the moment magnitude scale. The other tremors were all less than 1.1 on the moment magnitude scale.
It is important to note that the moment magnitude scale is a logarithmic scale, so a difference of 0.1 on the scale represents a tenfold increase in energy released. This means that the tremor on July 8 was ten times more powerful than the tremor on July 6.
The data does not show anything about the frequency of the tremors in the park or whether they will become stronger over time. However, the fact that there were several tremors in a two-week period suggests that the park may be located in an area of seismic activity.
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Biochemists developed a compound that they hypothesize will disrupt the ability of the cells to organize centrioles and microtubules. This compound is applied to a group of onion root tip cells. What will serve as the best evidence that the biochemists' hypothesis about this compound is correct?
Answers
The best evidence that the biochemists' hypothesis about this compound is
correct will be lack of growth in the onions.
The centrioles and microtubules are important during the process of cell
division(mitosis) by organisms. They ensure that the cells divide properly
which helps cells to grow.
The compound being hypothesized to disrupting the activities of the
centrioles and microtubules means lack of growth will signify that it is
correct and the most appropriate choice.
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The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?
Answers
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Mitochondria and chloroplasts contain some of the same enzymes and transport systems as bacteria, and are similar in size and shape to bacteria. In addition, they both reproduce by binary fission, similar to bacteria. The presence of double membranes around mitochondria and chloroplasts also supports the theory of endosymbiosis, as this suggests that the organelles were engulfed by the host cell and retained their own membranes.
Finally, mitochondria and chloroplasts have their own DNA, which is circular like bacterial DNA. The DNA of mitochondria and chloroplasts also lacks histones, which are present in eukaryotic DNA, and is more similar to bacterial DNA in terms of gene expression and replication.
Together, these lines of evidence support the theory of endosymbiosis and suggest that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a host cell and evolved into the organelles found in eukaryotic cells today.
which of the following iucn conservation categories would be a priority for protection of a species, compared to others?
Answers
920 species have been prioritized as being Endangered or Critically Endangered (IUCN) AND limited to a single remaining location, including mammals, birds, amphibians, reptiles, conifers, and reef-building corals.
Explain about the IUCN?The IUCN is the foremost authority on the state of nature and the steps that must be taken to protect it. Its expertise are divided into six Commissions: one for ecosystem management, one for social and economic policy, one for environmental law, one for protected areas, and one for education and communication.
The IUCN has grown to be the world's foremost authority on the state of the natural world and the steps that must be taken to protect it since its founding in 1948. For human advancement, economic development, and nature conservation to occur simultaneously, the information and resources that IUCN offers are essential.
The International Union for the Conservation of Nature (IUCN), officially known as the International Union for the Conservation of Nature and Natural Resources and formerly known as the World Conservation Union, is a network of environmental organizations.
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TTT 18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants 19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens 20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera 21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm 22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class 23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium 24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population 26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista 25. Ecology is a biological science that deals with all of the following except C. organism D. none
Answers
All of the options are chemical approaches to control micro-organism excepts: B Disinfectants
19. The scientific name for modern man is: B. Homo sapiens
20. kingdoms are prokaryotic organisms placed D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm
22. taxonomic groups contains closely related organisms A. Genus
23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium
24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi
25. Ecology is a biological science that deals with except: D. none
26. The organism that are consumer is D. Scavengers
What is the chemical approaches to control micro-organismDisinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.
Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.
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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants
19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens
20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm
22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class
23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium
24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population
25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none
26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers
population of squirrels live together in forest an event occurred that caused the population to diverge into two different species over a long period of time which of the following is most likely the event occurred
Answers
A natural disaster.
Explanation:
A natural disaster would most likely have occurred to have the population of squirrels completely diverge from each other in order for them to become two separate species.
If a tornado, flood, earthquake, or another type of a natural disaster were to happen, it may have caused drastic damage to the ecosystem and environment of the squirrels. This would most likely cause the squirrels to split up, or diverge from each other and go to separate places in search of a new home.
Over time, these squirrels will reproduce with their own group. Each new group of squirrels, as they are both in different environments now, will have different adaptations from each other. This will eventually make it so they will never be able to reproduce with each other again if they were to meet, as they are now completely different species of squirrel.
Answer:
ITS B A natural disaster occurred that separated squirrels.
Explanation:
What is the general structure and function of epithelial tissue?
Answers
Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.
Help with these two ?
Answers
Explain:the substrate is the one always being connected in
Explain the movement of water for each of the solutions based on the concentration levels. Write under each visual.
Answers
For a hypotonic solution the movement of water is from the solution to the cell, in isotonic solution there is no net movement and for hypertonic solution the movement of water is from the cell into the solution.
Hypotonic solution is the one where the concentration of solute is less as compared to the cell. This is the reason why movement of water is from solution to the cell and the animal and plant cell become lysed and turgid respectively.
Hypertonic solution is the one where the concentration of solute is more as compared to the cell. This is the reason why movement of water is from cell to the solution and the animal and plant cell become shriveled and plasmolyzed respectively.
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Which is true of pitch?
A: low frequency equals a soft sound
b: low frequency equals a loud sound
C: high frequency equals a high pitch
Answers
Answer:
c
Explanation:
what do these letters mean?TTA-AAC-GAG-CTG-CTA
Answers
A hurricane destroys the bayou where sawgrass grows, which many insects eat.
What would happen to the carrying capacity and why?
Answers
Explanation: This is because these natural disasters are very detrimental to the environments and would decrease life.
Hurricane is a natural disaster that affects the population and their carrying capacity. Natural disaster decreases the carrying capacity of the insects as they were dependent on the sawgrass.
What is carrying capacity?Carrying capacity has been defined as the quantity or the number of the biotic factor or the living being that is supported by the ecosystem without any negative repercussions. It can be said to be the maximum population that a habitat or ecosystem can hold.
The size of the population is maximum only if resources like food, shelter, habitat, reproduction, etc., are available to the organism so that there is no hindrance to their growth and development.
Hurricanes and other natural disasters have been affecting the carrying capacity negatively and have been known to have a detrimental effect on the environment. The destruction in the bayou wipes the sawgrass that was food for the insects. This decreases the population of the insects that were dependent on the sawgrass.
Therefore, a hurricane negatively affects the carrying capacity.
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Match each unhealthy behavior with the correct issue. 1. anorexia2. bulimia3. smoking4. alcohol useA. brittle hairB. cirrhosisC. mouth cancerD. torn esophagus
Answers
1. Anorexia is a disease that causes the person to stop eating due to an intense fear of gaining weight, causing the loss of vital nutrients to the scalp and, therefore, hair loss and brittle hair. So the answer is A. brittle hair.
2. Bulimia is a disease associated to the intense fear of gaining weigh too, but in this case the person purges out all the food they have eaten, causing the veins of the esophagus (which are usually thinner than the ones from the rest of the body) to torn due to too many vomiting episodes. So the answer is D. torn esophagus.
3. Smoking leads the person to consume smoke from tobacco, which is carcinogenic (it can cause cancer) and can seriously affect the mouth as it is through where the smoke comes inside the body. So the answer is C. mouth cancer.
4. Alcohol use directly affects the liver, because the liver is responsile for breaking down alcohol but sometimes there is just too much to break down and it can cause damage to the organ. As cirrhosis is a disease of the liver commonly associated to alcohol use, the answer is B. cirrhosis.
Therefore, the final answer is 1-A, 2-D, 3-C and 4-B.
The _____ is the basic unit of life. Responses A cell B heart
Answers
Answer: The cell is the basic unit of life.
Explanation:
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
In a population the homozygous dominant individual make up 70% of the population while heterozygous ones made up 21% and recessive made up 9%. What are the frequencies of the A and a alleles?
Answers
There are two alleles in a population that influence a specific attribute. Using the letters "A" for the dominant allele and "a" for the recessive allele. A allele frequency is 0.7, whereas frequency of allele is 0.09.
The frequency of the A allele is 0.7, or 70%, since homozygous dominant (AA) genotypes account for 70% of the population. Similarly, since homozygous recessive (aa) alleles make up 9% of the population, we can infer that the frequency of the recessive allele, a, is 0.09, or 9%.
The formula 2pq = frequency of heterozygotes, where p is the frequency of the A allele and q is the frequency of the an allele, can be used to determine the frequency of the heterozygous genotype (Aa).
We know that the frequency of heterozygotes is 0.21, or 21%.
Plugging in the known values:
2 * 0.7 * q = 0.21
Solving for q:
q = 0.15
So, the frequency of the A allele is 0.7, and the frequency of the a allele is 0.09.
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Part E
Do your findings from the energy expenditure calculator correlate to the BEE and caloric requirements calculator? Explain your answer.
Answers
Answer:
Yes, they do correlate. When comparing people of three different weights, the heaviest people had the highest BEE and caloric requirements. High BEE and caloric requirements suggest they need and use more energy than the lighter people do to do the same activities.
Explanation:
Answer:
Yes, they do correlate. When comparing people of three different weights, the heaviest people had the highest BEE and caloric requirements. High BEE and caloric requirements suggest they need and use more energy than the lighter people do to do the same activities.
Explanation:
2. Imagine you have a short, thin stalk of wheat and a tall, full stalk. From
which would you take the seeds and plant a new crop.
Answers
the full stalk of crop should be it.
Which number represents runoff on the hydrologic cycle diagram?
1
2
3
4
Answers
Answer
No. 4
Explanation:
How much more acidic is a pH of 5 compared to a pH of 6?
Answers
A ph of 5 is 10 times more a acidic than a ph of 6.
A ph of 4 is 100 times more acidic than a ph of 6
Why is caffeine used as control solvent in daphnia experiment?
Answers
Answer:
The addition of caffeine increased the heart beats per minute of the Daphnia in each trial. When the caffeine was added, their speed and movement remained the same. A paired T-test was conducted to compare the effect of 5%ethanol on the heart rate of Daphnia.
Explanation:
What does Oort define in our solar system
Answers
What is the pairing of complementary strands of DNA due to hydrogen bonding called out of these options:
1. semi-conservative replication
2. helicase
3. DNA polymerase I
4. lagging strand
5. mitosis
6. Okazaki fragment
7. single-stranded binding proteins
8. leading strand
9. ligase
10. replication fork
11. template strand
12. primase
13. gyrase
14. annealing
15. DNA polymerase III
Answers
The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.
DNA replicationThe biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:
cell division during tissue development and repair, and it also guarantees that each new cell gets a copy of the DNA.A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.
These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.
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A person went to the doctor because he was having a hard time breathing while going up steps The person is most likely having a problem with his__________
1) Digestive system
2) Nervous system
3) Respiratory system
Answers
_____on the blood determine a person's blood type
Answers
Answer:
antigens
Explanation:
A group of squirrels living in the same area and competing for similar resources is called a
Answers
PLSS ANSWER
Which of the following is a way that animals can harm the environment?
Blocking sunlight
Dispersing seeds
Providing shelter
Spreading disease
Answers
Answer:
Spreading Disease
Explanation:
Animals can pick up disease then travel with it spreading it, therefore, harming the environment.