Answer is A.The changes in species composition in a community over time as species colonize and area.
Plant succession is the evolution of plant communities at a barren place over time beginning from pioneer species to climax vegetation. The plant community changes the soil and micro-climate at each stage of the succession. This helps to establish another group of species. This means as the succession develops one community of plants is replaced by another and eventually a climax community is reached where the vegetation is in a state of equilibrium with the environment and there is no further addition of new species
The changes in species composition in a community over time as species colonize and area. The correct option is A.
Option B describes the process of speciation through natural selection, which is not specifically related to succession. Speciation involves the evolution of new species from a common ancestor over long periods of time, whereas succession is focused on changes in community composition and structure.
Option C is not entirely accurate, as option B is not a description of succession.
Option D describes the reduction of biodiversity over time, which is not the primary focus of succession. Succession can lead to changes in species composition and biodiversity, but it does not inherently imply a reduction in biodiversity. In fact, as succession progresses, biodiversity can increase as new species establish themselves and fill ecological niches.
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The only process that can change a gene's dna and therefore give rise to new genetic variations in a species is __________.
Which animals are selected for use in pastoral nomadism? why are they selected?
A particular bird species found in North America obtains most of its food energy by catching and eating insects. A mutation arises in this bird population that increases the length of its beak. Although many mutations are harmful, this particular mutation has increased the ability of the bird to catch and eat certain insects. Which of these is the MOST LIKELY outcome of this mutation?
d Individual birds with the mutation will be more likely to survive and reproduce than birds without the mutation.
Which best describes the top and bottom images of muscle contraction?
The top image is more relaxed than the bottom image.
The top image has greater actin-myosin interactions than the bottom image.
The bottom image is more relaxed than the top image.
The bottom image has fewer overlaps than the top image.
Julia had a sibling who died because of a genetic disease as an infant. Before having children, she and her husband Tobias get genetic testing and counseling. They are unlucky.
For the GAA gene, Julia has one normal allele and one totally non-functional allele. Tobias has one normal allele and one totally non-functional allele.
If any of their offspring test positive for Pompe disease, when are symptoms likely to develop (remember, both parents have one non-functioning allele, 0%GAA)?
1.) Before the age of nine months
2.) Anytime during adolescence up through middle adulthood.
The right answer is A.
It turns out that this family possesses in their gene the infantile form of Pompe disease, so the disease will appear early in the offspring.
Pompe disease is caused by a deficiency of lysosomal acid α-glucosidase resulting from mutations in the GAA gene. The clinical spectrum ranges from a rapidly fatal multisystem disorder (classical, beginning before 1 year) to less severe myopathy in adults.
Advantages of the emergence of manualized therapies with empirical support include
What elements make up molecules of sugar?
a.carbon and hydrogen
b.carbon, hydrogen, oxygen, and nitrogen
c.carbon, hydrogen, and oxygen
d.carbon, oxygen, and nitrogen
Which of these conditions is likely to worsen due to strong odors in the environment?
Asthma
Diabetes
High blood pressure
Heart disease
Asthma i have it hope i helped :)
This is the period of during which an embryo develops in the uterus from conception until birth.
Answer:
Gestation
Explanation:
Which two minerals are thought to assist with the functions of insulin? iron and copper?
Occlusion of the left anterior descending artery during a myocardial infarction would interrupt blood supply to which structures?
Which of the following things contain organic molecules?
lettuce
ketchup
butter
All of the choices are correct.
Answer:
The correct answer is - all the choices are correct.
Explanation:
The organic molecules are characterized as molecules that are built around chains of carbon atoms that are molecules of life. The major four organic molecules that joint to form a fundamental unit of life which is cell is - nucleic acid, proteins, lipids, and carbohydrates.
All three options have one of the organic molecules in it. Thus, the correct answer is - all the choices are correct.
A cell's mitochondria cease to function, and the cell has no more energy. will all the transport across the plasma membrane stop?
A cell's mitochondria cease to function, and the cell has no more energy. No, the transport will not stop but the transport will be helpful with the help of energy that is the ATP molecules are transferred in order to give the energy.
What is the cell organelle that provides the energy for the cell ?The cell organelle that provides the energy for the cell organelle is the mitochondria.
In case the cells are not able to get the transportation for certain molecules but there is a need for the transport then in that case certain helpers will help the molecules.
Carrier proteins are the proteins that help in the transportation of molecules from one extracellular medium to intracellular or vice versa. ATP helps in the transportation of such molecules where the molecules are helping to certain passing mechanisms.
Facilitated diffusion is one such help to it and reverse osmosis as well.
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How does an f+ cell differ from an hfr cell? how does an f+ cell differ from an hfr cell? hfr strains have the f plasmid integrated into the chromosome. f+ cells have no plasmids. hfr cells cannot perform conjugation. hfr strains can no longer reproduce?
In summary , the most difference between an F+ cell and an Hfr cell are the area of the F plasmid (extrachromosomal vs. coordinates into the chromosome) and the degree of DNA exchange amid conjugation.
Bacterial cell explained.
An F+ cell and an Hfr cell are both sorts of bacterial cells that have the F plasmid, too known as the richness calculate. In any case, there are critical contrasts between them:
F+ Cell (F-Positive Cell):
An F+ cell carries the F plasmid as an extrachromosomal circular DNA atom partitioned from the bacterial chromosome.The F plasmid in an F+ cell can duplicate autonomously and is competent of conjugation, which is the exchange of hereditary fabric to a beneficiary cell.F+ cells can act as givers amid conjugation and can exchange the F plasmid to an F- (F-negative) cell, changing over it into an F+ cell.Hfr Cell (High-Frequency Recombination Cell):
An Hfr cell moreover carries the F plasmid, but it is coordinates into the bacterial chromosome instead of existing as a isolated plasmid.Integration of the F plasmid into the chromosome comes about in an Hfr strain.Hfr cells have the capacity to perform conjugation and exchange both chromosomal and plasmid DNA to beneficiary cells amid conjugation.However, the exchange of the whole F plasmid from the Hfr cell to the beneficiary cell is regularly fragmented, because it requires the replication and recombination of the coordinates F plasmid with the beneficiary chromosome.
It's imperative to note that Hfr strains can still replicate, and they hold the capacity to perform conjugation. In any case, the total exchange of the F plasmid and chromosomal DNA to the recipient cell seldom happens amid conjugation with Hfr cells.
In summary , the most difference between an F+ cell and an Hfr cell are the area of the F plasmid (extrachromosomal vs. coordinates into the chromosome) and the degree of DNA exchange amid conjugation.
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When reviewing the history of a patient who will be taking an antifungal drug?
Which of the following is true of hydrogen bonds
A. Hydrogen bonds are strong
B.hydrogen bonds make the positive sides of water molecules stick to each other
C.hydrogen bonds are not strong but there are plenty of them in a drop of water.
Hydrogen bonds are not very strong, but there are many of them in a drop of water, making them crucial for the properties of water.
Explanation:The correct answer to the question is that hydrogen bonds are not inherently strong, but there are plenty of them in a drop of water, which makes them vital for water's unique properties (option C). A hydrogen bond is a weak type of force that forms a special type of dipole-dipole attraction which occurs when a hydrogen atom bonded to a strongly electronegative atom exists in the vicinity of another electronegative atom with a lone pair of electrons. Although they are weak when compared to covalent bonds, they are nevertheless very necessary for the properties of water due to their large quantity.
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The nurse is preparing a woman for discharge after a birth and notes the mother's record indicates rh negative and rubella titer is positive. which nursing intervention will the nurse prioritize?
Which response best explains why promoters for the same sigma subunit do not have identical sequences?
All of the Sun’s energy is produced in its core through:
a. fusion
b. fission
c. Hydrolysis
d. hydrogenation
Answer is fusion, according to e2020. Just took the quiz
Answer:
a. fusion
Explanation:
The Sun's energy is produced at its core through a process that is referred to as nuclear fusion. The type of nuclear fusion involved in the production of energy at the Sun's core is known as Hydrogen fusion.
Hydrogen fusion is a nuclear fusion reaction whereby two atoms of hydrogen form or produce four hydrogen nuclei. These four hydrogen nuclei come together or fuse together to form one helium atom. During this reaction, some mass of hydrogen is changed or converted to light energy in the Sun.
the boundary between which two tectonic plates is most similar geologically to the plate boundary at the Mid-Atlantic Ridge?
A) Pacific and Nazca
B)Cocos and Caribbean
C)Nazca and South America
D)Eurasian and Indian-Austrailian
The correct answer for the boundary between which two tectonic plates are most similar to the plate boundary at the Mid -Atlantic Ridge is ( D ) : Eurasian and Indian-Australian
Tectonic plates are parts of the Earth's crust and uppermost mantle which are collectively called lithosphere. tectonic plates are made up of two distinct materials which are:
Ocean crust Continental crustThe plate boundary between two tectonic plates ( Eurasian and Indian Australian boundary ) appears geologically similar to the plate boundary at the Mid-Atlantic Ridge because the Mid-Atlantic Ridge ( divergent plate boundary ) occurs along the plate boundary where the ocean floors are formed as plates separated from each other.
Hence the correct answer from the options is Eurasian and Indian-Australian boundary
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What are responsible for the structure and functions of organisms
Why might a placoderm be more useful index fossil than a cockroach?
Answer:
I got the same question, and was wondering the same thing, so thanks for asking this for me LOL.
Explanation:
A person with blood type a can receive blood from individuals with which blood type(s)?
The condition caused by a parasite living off another organism:
The neurons of the central nervous system are also known as ________.
Final answer:
The neurons of the central nervous system are specialized cells that make up the brain and spinal cord, crucial for processing and transmitting sensory information.
Explanation:
The neurons of the central nervous system are also known as the fundamental building blocks of the central nervous system (CNS), which includes the brain and the spinal cord. The CNS is central because it processes sensory information, like touching a hot stove or seeing a rainbow, and then sends signals for action through the peripheral nervous system (PNS). Neurons are specialized cells that transmit information via electric signals and form connections with other neurons at synapses. There are approximately 100 billion neurons in the human brain, each with the capability of creating numerous synapses. The structure of neurons consists of a dendrite, a soma, and an axon that collectively facilitate the reception and transmission of information within the nervous system.
When an rh-negative mother has been sensitized and is pregnant with an rh-positive fetus, what happens to the fetus?
a. bilirubin deficiency
b. plasma volume depletion
c. profound red cell hemolysis
d. nothing, this is normal?
Try to think of other things that are hybrids