The sequential replacement of species in a community after a forest fire is:
Answers
The sequential replacement of species in a community after a forest fire is called Secondary Succession.
Secondary succession occur in the order as follows:
Pioneer species>intermediate species>climax community
It occurs in areas where a biological community has already existed but some of that community has been removed by disturbances that did not eliminate all life and nutrients from the environment.
https://brainly.com/question/19315601
#SPJ2
Related Questions
Which of the following term does NOT involve multiple loci. a. Complex traits b. Independent assortment c. Haplotype Recombinant d. Random segregation Trisomy 21. Robertsonian translocation and PKU syndrome are three human phenotypes due to DNA changes in different scales. Which of the following shows the order of DNA alterations, in large to small scales, that cause these phenotypes? a. Robertsonian translocation > trisomy 21 PKU syndrome
b. None of other answers is correct.
c. trisomy 21 > Robertsonian translocation > PKU syndrome d. PKU syndrome > trisomy 21 > Robertsonian translocation
e. PKU syndrome > Robertsonian translocation trisomy 21
Answers
1. c. Haplotype Recombinant.
2. c. trisomy 21 > Robertsonian translocation > PKU syndrome.
1. The term that does not involve multiple loci is c. Haplotype Recombinant. Haplotype refers to a set of genetic variations on a single chromosome, while recombinant refers to the reshuffling of genetic material during meiosis. It does not inherently involve multiple loci, but rather the arrangement of alleles at a single locus.
2. The correct order of DNA alterations, in large to small scales, that cause the phenotypes mentioned is c. trisomy 21 > Robertsonian translocation > PKU syndrome. Trisomy 21 refers to the presence of an extra copy of chromosome 21, resulting in Down syndrome, which is a large-scale alteration involving a whole chromosome. Robertsonian translocation involves the fusion of two acrocentric chromosomes, often resulting in rearrangements and genetic disorders. Phenylketonuria (PKU) syndrome, on the other hand, is caused by alterations in a single gene, resulting in the inability to metabolize phenylalanine. Therefore, the order from large-scale to small-scale DNA alterations is trisomy 21, Robertsonian translocation, and PKU syndrome.
learn more about Robertsonian translocation here:
https://brainly.com/question/30757146
#SPJ11
How are humans immune to infectious diseases after they have already contracted the disease previously? and How do vaccinations work to provide immunity?
Answers
Answer:
Explanation:
Immunity to a disease is achieved through the presence of antibodies to that disease in a person's system. Antibodies are proteins produced by the body to neutralize or destroy toxins or disease-carrying organisms. Antibodies are disease-specific. Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader. A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.
Briefly summarize the difference between Kinetic and Potential Energy
Answers
kinetic energy is energy in motion (using energy for movement)
Kinetic energy can be transferred from one moving object to another, say, in collisions. Potential energy cannot be transferred. Flowing water, such as when falling from a waterfall. Water at the top of a waterfall, before the precipice.
In which does alcoholic fermentation occur?
lactic acid
plant cells
muscle cells
yeast
Answers
Answer:
yeast
Explanation:
hi and see what the following descriptions and your day going to be a long day for me too
which of these is a cause of loss of genetic diversity
Answers
What are the options?
Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?
Answers
Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the treeThe correct option is 3) birds and bats
The functions of the wings of a bat and bird are similar. But the wings of a bird and bat are not similar based on their physical characteristics. Hence, by old classification system, these organisms would not be similar to one another.The bats have a webbed like structure whereas the birds have a feather like structure. Hence, the correct option is bats and birds.
Learn more about classifications:
https://brainly.com/question/26323001
#SPJ4
The complete question is :
Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?
1. crocodiles and insects
2. bats and humans
3. birds and bats
4. humans and crocodiles
The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is
operon that is activated in the presence of
Answers
The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is an inducible operon that is activated in the presence of lactose.
It is a cluster of genes in bacteria that is responsible for the metabolism of lactose. The lactose operon consists of three structural genes, lac Z, lac Y, and lac A, that code for enzymes that break down lactose, and a regulatory region, which includes the promoter, operator, and lac I gene. It functions as a switch that turns genes on or off in response to environmental changes. The regulatory region of the lactose operon contains the operator and the promoter. The operator is a DNA sequence that regulates the expression of the genes by acting as a binding site for the regulatory protein.
The promoter is a DNA sequence that is recognized by RNA polymerase, which initiates the transcription of the genes. The lac I gene codes for a regulatory protein called the lac repressor. The lac repressor binds to the operator region of the lac operon and prevents RNA polymerase from transcribing the genes. In the absence of lactose, the lac repressor is active and the lac operon is turned off.
When lactose is present in the environment, it binds to the lac repressor and changes its conformation, preventing it from binding to the operator. This allows RNA polymerase to bind to the promoter and transcribe the genes necessary for lactose metabolism. Thus, the lactose operon is an inducible operon that is activated in the presence of lactose.
Know more about metabolism of lactose here:
https://brainly.com/question/31443483
#SPJ8
What are two abiotic and two biotic conditions in a coral reef that provide the conditions necessary for it to have high biodiversity?
Answers
Answer:
vbfxb
Explanation:
vgjjg
Hii! I need a good introduction paragraph in my debate paper about why we should NOT make another nuclear power plant. My key points are:
• Cost
• Waste Management
• Safety Concerns
• Nuclear Proliferation
35 points and marking brainliest answer for whoever can write me a strong introduction paragraph! :) thank you!!<3
Answers
The idea of constructing another nuclear power plant has been a topic of discussion for many years. However, there are several compelling reasons why this should not be pursued.
The reasons against a nuclear power plantThe cost of building and maintaining a nuclear power plant is extremely high, and the risks associated with waste management and the potential for accidents or nuclear proliferation pose significant safety concerns.
In addition, the potential dangers of radioactive waste and the difficulties of disposing of it safely make nuclear energy a less desirable option. Given these factors, it is clear that we should not be investing in another nuclear power plant.
Read more about waste management here:
https://brainly.com/question/18480870
#SPJ1
Gamma motor neurons innervate _____________
a. intrafusal skeletal muscle fibers b. extrafusal skeletal musclo fibers c. Cardiac muscle fibers d. smooth muscle cells
If the meesured distance from the spinal nerve root to an EMG electrode on the surface of muscle is 30 cm, the total path iength you would use to caculate conducton volocity would be _____________ cm.
Answers
Gamma motor neurons innervate a. intrafusal skeletal muscle fibers.
The total path length used to calculate conduction velocity in the given scenario would be 60 cm.
What doe these do?Gamma motor neurons are a type of motor neuron that innervate intrafusal skeletal muscle fibers, which are specialized muscle fibers found within muscle spindles. Muscle spindles are sensory organs located within skeletal muscles that detect changes in muscle length and contribute to muscle control and proprioception.
Gamma motor neurons play a crucial role in regulating the sensitivity and responsiveness of muscle spindles. By innervating the intrafusal muscle fibers, gamma motor neurons control the contraction of these fibers, which in turn adjusts the sensitivity of the muscle spindle.
Read mroe on Neurons here https://brainly.com/question/13061744
#SPJ4
How does the flu affect businesses and governments? Could it affect residents’ access to certain resources?
Answers
Answer:
Ofcourse it does
Explanation:
Imagine one person have flu and he or she goes to met someone who is healthy but when they talk other infected person's flu goes to other healthy person and that new infected person goes to another and they go to another and thats how it seperate. But we have solution for this the first infected person need to wear mask so that his or her flu don't pass out to anothers.
identify the enzymes that are required for the synthesis of a glycogen particle starting from glucose 6‑phosphate.
Answers
Enzymes involved in glycogen synthesis from glucose-6-phosphate are Hexokinase, Phosphoglucomutase, Glycogen Synthase, and Branching Enzyme.
Glucose-6-phosphate is the precursor molecule for glycogen synthesis. Four enzymes are needed to make a glycogen particle from glucose 6-phosphate. They are Hexokinase, Phosphoglucomutase, Glycogen Synthase, and Branching Enzyme. Hexokinase catalyzes the phosphorylation of glucose to glucose 6-phosphate. Phosphoglucomutase is responsible for the conversion of glucose 6-phosphate to glucose 1-phosphate.
Glycogen Synthase is the key enzyme that converts glucose 1-phosphate to glycogen. It creates alpha-1,4-glycosidic bonds between glucose molecules. Branching Enzyme is responsible for creating branch points in glycogen. It creates alpha-1,6-glycosidic bonds. These enzymes work together to produce glycogen. Glycogen is stored in liver and muscle cells and is used as a source of energy during times of fasting and exercise.
Learn more about hexokinase here:
https://brainly.com/question/14036058
#SPJ11
If chloroplasts are used to make food through the process of photosynthesis (only in plants),
which organelle is responsible for breaking down that food in order to release the chemical
energy stored in foods [hint: both types of cells have this organelle) I
Answers
Answer:
mitochondria
Explanation:
This term means that the tissue has a large blood supply flowing through it
A . basal
B. hypoxic
C. connective
D. vascular
Answers
Answer:
c. connective tissue
Explanation:
The largest blood vessels are arteries and veins, which have a thick, tough wall of connective tissue and and many layers of smooth muscle cells
Humans and hogs have differences in only 1 out of the 51 amino acids in their insulin proteins. hogs and guinea pigs have differences in 17 out of the 51 amino acids in their insulin proteins. what can be inferred from this information?
Answers
The differences in Hogs and guinea pigs amino acids in their insulin proteins. are more closely related to one another than are humans.
The required details about amino acids is mentioned in below paragraph.
The variation in the amino acid sequence of a protein can be used to determine how closely related two organisms are to one another. It is well recognized that an organism's genes, or DNA sequence, results in proteins. To comprehend the evolutionary evidence and similarities between creatures, the gene or protein is compared between them. As in the instance of hog and human, whose insulin enzymes differ by only one amino acid, the less variation there is, the more closely related the two organisms are to one another. Guinea pig and humans differ in 17 amino acids, hence it is expected that they are not closely related.
These connections aid scientists in addressing urgent problems, like insulin proteins . They boost productivity while eliminating the chance of obtaining the enzyme genes of potential organisms.
To learn about amino acids click here.
https://brainly.com/question/2526971
#SPJ4
The heart is within the ________. Group of answer choices c. posterior (dorsal) cavity d. All of the above b. mediastinum a. cranial cavity
Answers
PLEASE HELP!! WILL GIVE BRAINLIEST!!
Identify the correct term for each definition.
a. the bottom chamber of both sides of the heart
b. the dome-shaped muscle at the base of the chest cavity that contracts and lowers to draw oxygen into the lungs then relaxes and lowers to push carbon dioxide out
c. the liquid part of the blood
d. the protein that colors red blood cells and allows them to carry oxygen to the tissues
e. the passageway out of the body for urine
f. the top chamber of both sides of the heart
g. the tube that carries food to the stomach
h. the two branches of the windpipe that descend to the right and left lungs
i. muscles that operate completely outside of conscious thought
j. tiny blood vessels where pickup of wastes and delivery of oxygen and food takes place tiny filtering units in the kidneys
k. a waste product that is made up of leftover parts of used proteins and is high in nitrogen
l. urea and other waste substances that are collected in the bladder
Answers
Answer:
a-Ventricle
b-Diaphragm
c-Plasma
d-Hemoglobin
e-Urethra
f-Atria
g-Esophagus
h-Bronchi
i- Involuntary muscles
j-Glomerulus
k-Ammonia
l-Urine
Which two scientists theories supported the general consensus of the people and religious teachings of the time
Answers
Answer:
Aristarchus and Aristotle's theories supported the general consensus of the people and religious teachings of the time.
Explanation:
the importance of stem cells is that they are differentiated and can become..
Answers
The importance of stem cells is that they are differentiated and can become daughter cells.
Why are stem cells important in differentiation?Stem cells have the potential to serve as the foundation of treatments for a wide range of illnesses due to their capacity to develop into almost any type of cell in the body. Standardized methods for stem cell cultivation and differentiation will be created as research advances.
In the body, stem cells have the capacity to differentiate into a wide variety of cell types. They act as the body's system for repairs. Adult stem cells and embryonic stem cells are the two primary categories of stem cells.
Therefore, one can say that daughter cells are created when stem cells divide properly in the body or a lab to create more cells. These daughter cells either differentiate into more stem cells or into cells with a more focused purpose.
Learn more about daughter cells from
https://brainly.com/question/14666929
#SPJ1
many people dislike the taste of leafy greens such as kale or mustard greens. this makes sense, because these vegetables activate ____ taste receptors, which are also activated in response to plants that are toxic.
Answers
Many people dislike the taste of leafy greens such as kale or mustard greens. This makes sense because these vegetables activate bitter taste receptors, which are also activated in response to plants that are toxic.
What are taste receptors?
Taste receptors are specialized cells in the mouth that detect different kinds of tastes. Taste receptors are responsible for the sensation of taste. Our tongue is dotted with thousands of taste buds, which contain taste receptors. The human mouth can detect five different types of tastes: sweet, salty, sour, umami (savory), and bitter.
Taste receptors respond to chemical compounds found in the food we eat. Food molecules are recognized by the receptors on the taste buds, which then send a signal to the brain. This signal is then interpreted as a particular taste.
How do taste buds work?
Taste buds are clusters of cells that sense taste. There are many taste buds located on the tongue, as well as in the mouth, throat, and epiglottis. Each taste bud is made up of several different types of cells. The most important of these cells are the taste receptor cells.
Taste receptor cells contain special proteins called taste receptors. These receptors are responsible for detecting the different kinds of tastes. When a taste receptor is activated, it sends a signal to the brain. The brain then processes this signal and interprets it as a particular taste.
What are the different types of taste receptors?
There are several different types of taste receptors. These include sweet, sour, salty, bitter, and umami (savory). Sweet taste receptors are activated by sugars, while sour taste receptors are activated by acids. Salty taste receptors are activated by sodium ions. Bitter taste receptors are activated by certain chemicals found in many plants, while umami receptors are activated by glutamate, an amino acid found in many foods.
Learn more about taste receptors here:
brainly.com/question/5466098
#SPJ11
tuberculosis may be diagnosed using a(n) on sputum (lung fluid) samples. group of answer choices immunochromatographic assay viral hemagglutination test neutralization test direct fluorescent antibody test
Answers
Tuberculosis may be diagnosed using a(n) on sputum (lung fluid) samples Option D. direct fluorescent antibody test.
Tuberculosis (TB) is due to a bacterium called Mycobacterium tuberculosis. The microorganism generally attacks the lungs, however, TB micro organism can assault any part of the body consisting including the kidney, backbone, and mind. no longer is anybody inflamed with TB bacteria becoming ill.
TB ailment has signs based on where in the frame the TB bacteria are growing. TB bacteria typically develop within the lungs and signs and symptoms can include an awful cough that ultimate 3 weeks or longer, ache in the chest, coughing up blood or sputum, weak spot/fatigue, weight reduction, chills, fever, and nighttime sweats.
A route of antibiotics will commonly need to be taken for 6 months. numerous different antibiotics are used due to the fact a few forms of TB are immune to certain antibiotics.
Learn more about Tuberculosis here:-https://brainly.com/question/14391874
#SPJ4
For which of these questionls could a testable hypothesis be developed? Check all that apply.
Do children's heart rates increase at the same speed when walking uphill?
O Is
experimenting with moldy bread more fun than experimenting with yogurt cultures?
D Does temperature affect how long blood can be stored?
How does moisture affect the growth of moss on a tree?
Which of Leeuwenhoek's microscopes was
the coolest?
Done
Intro
Answers
A testable hypothesis could be developed for A. Do children's heart rates increase at the same speed when walking uphill, C. Does temperature affect how long blood can be stored?, and D. How does moisture affect the growth of moss on a tree.
What is a testable hypothesis?A testable hypothesis is a given explanation about a scientific question that may be tested by experimental and or observational procedures.
Therefore, with this data, we can see that a testable hypothesis is an explanation about an issue of the real world used to confirm or reject its assumptions.
Learn more about a testable hypothesis here:
https://brainly.com/question/654258
#SPJ1
What happens during G2 phase?
Answers
Answer:
Chromosomes are checked for errors
Explanation:
a p e x
The transport of particles which requires the use of energy is
Answers
In which stage of mitosis does exchange of genetic material between chromosomes (crossing over) occur?
Answers
Meiosis's pachytene substage of prophase I is when crossing over occurs, but the diplotene substage of prophase I is when it becomes evident. Tetrads will be formed when the homologous chromosomes align with one another.
DNA sequences may be swapped between the homologous chromosomes during this lining up. It facilitates character mixing, resulting in the production of both parental and recombinant forms. Crossing over is the term for the form of genetic recombination that enables the meiotic daughter cells to differ genetically from one another.
Only chromosomes that are homologous can cross across. After meiosis I, cells turn haploid and are no longer capable of crossing across.
To learn more about crossing over click here
brainly.com/question/27256451
#SPJ4
The universe is around 13. 5 billion years old, and homo sapiens could have been argued to have emerged in the last 200,000 years. If you scaled the life of the universe to one day long, starting at midnight and ending at midnight, at what time would homo sapiens emerge?.
Answers
Following this analogy, homo sapiens would appear at 23:59:58:72.
13.5 billion years is equal to \(13.5 x 10^{9}\) years.
200,000 years is equal to \(2 x 10^{5}\) years.
We can do a proportion:
\(13.5x10^{9} : 24 h = 2x10^{5} : X\\ X=24 h * 2x10^{5}/13.5x10^{9} = 3.56 x 10^{-4}h\\\)
Because 1 hour has 3600 seconds, we can make the following proportion:
\(1 hour : 3600 s = 3.56x10^{-4}h : X\\X = 3.56x10^{-4}h * 3600 s / 1 h = 1.28 s\)
This means that, if 13.5 billion years lasted 24 hours, 200,000 years would last 1.28 seconds. This does seem like a very small number for an immense period of time like 200,000 years, but it does put into perspective all the time that has passed since the creation of the universe.
So, homo sapiens would emerge 1.28 seconds before midnight or at
23:59:58:72.
You can learn more about homo sapiens here:
brainly.com/question/1597581
#SPJ4
adaptation in cockroach
Answers
Answer:
Fast running. Cockroaches have long, slender legs that allow them to run very quickly. ...
Resilient exoskeleton. ...
Ability to go without food and water for long periods. ...
Low-profile body shape. ...
Advanced sensory system. ...
Adaptive breeding behavior. ...
Resistance to pesticides. ...
Ability to live in various habitats.
Explanation:
Recall the formula of glucose is C6H12O6. How many carbon, oxygen, and hydrogen
atoms will you need for three glucose molecules?
Answers
I think
1.
In the early 1900s, Thomas Hunt Morgan was among the first scientists to contribute to the chromosome theory of heredity. Morgan’s investigations into heredity in fruit flies led him to propose that the event represented in the diagram sometimes occurs.
Which statement about the event represented in the diagram is valid?
Answers
Answer:
"The genes for all organisms are composed of the same building blocks"
Explanation:
The statement about the event presented in the diagram sometimes occurs - D. The event provides genetic diversity in eukaryotic cells.
The given event in the diagram is known as crossing over which takes place during the process of meiosis.
Crossing over takes place during the pachytene stage of Prophase I of Meiosis I where the non-sister chromatids of homologous chromosomes exchange genetic material
this results in the recombination of the genetic material and creates a new genetic combination.
Thus, genetic variations occur which can be beneficial to the offspring.
Thus, the statement about the event presented in the diagram sometimes occurs - D. The event provides genetic diversity in the eukaryotic cell.
HELPPPPPPPPPPPPPOPPPPSBJAJAJANA
Answers
Answer:A
Explanation: Choice A is correct
Answer:
A
Explanation:
Choice A is correct out of all the options