A. Crossing over decreases genetic diversity
B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged
C. Homologous chromosomes move to opposite ends of dividing cells
D. The DNA of the diploid cell is copied​

Answer:

Plants

Explanation:

biotic means living

Plants are the only living thing out of the answer choices

Newer oral anticoagulants offer quite a few benefits over usual dealers (e.g. warfarin), however, they are nonetheless related to bleeding risk and currently, there is no validated reversal remedy for them. While there is a little guide for the use of sparkling frozen plasma, and restrained information handy on the outcomes of activated recombinant factor VII, preclinical statistics advocate that prothrombin complicated concentrates (PCCs) can also have possible in this setting. PCCs are presently used to successfully reverse warfarin-induced anticoagulation; however, scientific proof for their use with new oral anticoagulants is lacking, with most of the accessible records coming from preclinical animal studies. Furthermore, there appears to be variation in the capability of different PCCs to reverse the coagulopathy brought about by way of the new anticoagulants, and a lack of correlation between the reversal of laboratory check consequences and the reversal of anticoagulant-induced bleeding. Although there have been encouraging results, care must be taken in generalizing findings from animal fashions and nonbleeding human subjects to the state of affairs in bleeding patients. Ultimately, more evidence supporting anticoagulation reversal for new anticoagulants is needed, specifically related to the remedy of bleeding in human patients in a scientific setting. According to the present-day evidence, the use of PCCs can also be considered a sensible strategy in dire scientific situations; however, a consensus has not yet been reached concerning PCC use or dosing, due to lack of scientific data.

Anticoagulants are drug treatments that assist prevent blood clots. They're given to humans at a excessive threat of getting clots, to limit their probabilities of growing serious stipulations such as strokes and heart attacks. A blood clot is a seal created through the blood to stop bleeding from wounds.

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Answer:

Mountain banshees are large, dragon-like aerial predators Bonding with a banshee and becoming an Ikran Makto is dangerous and required  the banshee or its rider can bond with a new partner should the previous one die

Explanation:

The mountain banshee is a dragon like predator that is due to the fact their predators are larger in size.

A mountain banshee is a large dragon-like aerial predator and is native to pandora. The creature is used for hunting and to travel larger distances.

As the Ikran are also used in battle they are enemies of the species and can attack the open air. They thus become prey to this species as they are much larger in size.

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Answer:

c. Viruses lack machinery for reproduction

Explanation:

brainiest plz

Answer:

B. Viruses cannot lack machinery for reproduction.

Explanation:

Viruses cannot reproduce without a host. However, once they have their host they insert their own genetic codes (protien), and they replicate.

Answer: mitochondria

The grouping that includes turtles, lizards and snakes, crocodiles and alligators, birds, and bats is monophyletic.

Monophyletic taxon : A team composed of a collection of organisms, together with the most current frequent ancestor of all these organisms and all the descendants of that most latest common ancestor. A monophyletic taxon is also called a clade.

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Answer:

The answer is d

Explanation:

Because

Answer:

D is correct

Explanation:

Classifying microorganisms poses a greater challenge compared to higher organisms largely because microorganisms cannot be classified into functional groups based on anatomical characteristics or biological properties.

Classification of living organisms is the process by which living organisms are classified or grouped together based on similarities in structure and function of body parts.

The higher organisms, plants and animals are more easily classified than microorganisms because they not have very similar anatomical or biological characteristics.

In conclusion, classification is the process by which living organisms are placed into classes based in shared features.

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Answer:

Muscular movement in the stomach causes food particles to become even smaller. This is a physical change. Enzymes and digestive juices in the stomach work to chemically break down proteins into amino acids.  This is a chemical change.

Explanation:

hope this helps :D pls mark brainliest :D

Answer:

Texture

Explanation:

Answer:

The immature prefrontal cortex lead to  conflict for teens because the teenagers when they try to use the frontal lobe for reasoning, they tend to overdo it and then giving their brain much work to do. This leads to conflict in teens.

Explanation:

In teens, the prefrontal cortex is immature and develops until the mid-20s of their age. It covers the front part of the frontal lobe. As a result of the immaturity of the prefrontal cortex in teens, they do not think or make decisions like that of adults. When they try to overdo with their immature prefrontal cortex, they end up in conflicts.

Answer:

(B) Products like "Tums" neutralize stomach acid because Tums is a base.

Explanation:

If the product neutralizes an acid, that means it must be a base. Acid + Base = Neutral. If you were to consume an product that is acidic, the stomach will end up being overly acid, which is unsafe for the body. If you were to consume a product that is neutral or "normal", the product would not do as much to neutralize the stomach acid, compared to a more basic pH. Tums has a main ingredient of calcium carbonate, CaCO3, a base. This ingredient helps regulate the pH levels for your stomach so that it does not become too acidic.

Answer:

There is a different reason for Earth's seasons. Earth's axis is an imaginary pole going right through the center of Earth from "top" to "bottom.". Earth spins around this pole, making one complete turn each day. That is why we have day and night, and why every part of Earth's surface gets some of each.

Explanation:

Answer:

the Earths rotation

Explanation:

when axis is tilted to the sun, that part of the earth is summer when it is not its winter and spring and fall are between these

Here, the word infinitesimal means tiny. Most cells can only be visualized under a microscope since they are so tiny.

Hence, the correct answer is tiny.

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Answer:

D = M/V

Explanation:

Density is equal to the mass over volume.

Answer:

C.

Explanation:

Volume, no

Milliliters , no

Surface Ratio, come on

The rate of nutrients and waste are exchanged from the cell and the environment depends on surface area to volume ratio.

The amount of square meters of surface area per unit volume is known as surface area to volume ratio.

The surface area to volume ratio becomes smaller as the size of a cell increases.

The exchange takes more time when the surface area to volume ratio is small.

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Answer:

Harvesting is the operation of gathering the useful part or parts of the plant and is carried out at the time when all the nutrients have developed and the edible parts have reached the appropriate degree of maturity.

Threshing or shelling consists of separating the grains, or the shells in the case of groundnuts, from the portion of the plant that holds them.

WINNOWING, the process of separating quality grains from chaff, is a crucial process in the cultivation of paddy. The traditional way of winnowing is making the dried grains fall from a height using shovels and a sieve.

Increase in blood flow to skeletal muscles:

1. Arterial blood pressure changes little during exercise. During exercise, metabolic demands on skeletal muscle increase dramatically. This causes the blood vessels that supply the muscles to dilate, increasing blood flow to the skeletal muscles.

2. The sympathetic nervous system plays an important role in regulating arterial blood pressure and blood flow during exercise, and several key neural mechanisms are involved in altering sympathetic vasomotor outflow.

How does the sympathetic nervous system affect blood flow?

In blood vessels, sympathetic activation narrows arteries and arterioles (resistance vessels), increasing vascular resistance and decreasing distal blood flow. When this occurs throughout the body, vascular resistance increases and arterial pressure rises.

How does the nervous system control blood flow?

Neurological regulation of blood pressure and blood flow depends on cardiovascular centers located in the medulla oblongata. This group of neurons responds to changes in blood pressure, blood oxygen levels, carbon dioxide, and other factors such as pH.

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Answer:

Competition

Explanation:

Competition occurs when many organisms are in search for the same, limiting resource this include food, water,space.

The use of this limited resource by one species decreases availability to the other population especially when there is an increase in population the rate of competition is very high.

Competition reduces the fitness of all the organism and can either be interspecific which is among the same organisms or between different species.

The discussion of irf4 transcription-factor-dependent cd103 cd11b dendritic cells drive mucosal t helper 17 cell differentiation is given in the below paragraph-

The predominant migratory DC population in the small intestinal lamina propria (SI-LP) is composed of CD103(+)CD11b(+) dendritic cells (DCs), although it is yet unknown what these cells do in vivo. Here, we show that intestine CD103(+)CD11b(+) DC survival required IRF4 to function (IRF4). Mice with a DC loss in Irf4 showed decreased numbers of helper T 17 (Th17) cells that secrete IL-17 in the gastrointestinal tract and failed to support Th17 cell development in draining mesenteric lymph nodes (MLN) after immunization. Both CD103(+)CD11b(+) MLN DCs and DC-derived IL-6 were selectively decreased in the latter. Immunized Il6(-/-) mice were unable to sustain Th17 cell development in MLN in vivo, although CD103(+)CD11b(+) MLN DCs were able to do so in vitro.

Findings collectively point to a critical function for IRF4-dependent, IL-6-producing CD103(+)CD11b(+) DCs in intestinal Th17 cell development.

The transformation of a stem cell from one type to a differentiated one is known as cellular differentiation. Usually, the cell transforms into a more focused kind. Multiple instances of differentiation take place while a multicellular creature develops from a straightforward zygote to a complex system of tissues and cell types.

As adult stem cells divide and produce completely differentiated daughter cells during tissue repair and normal cell turnover, differentiation continues throughout maturity. In response to antigen exposure, some differentiation takes place. Size, shape, membrane potential, metabolic activity, and signal responsiveness of a cell all undergo significant changes during differentiation.

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Answer:

Nitrogen cycle

Explanation:

Nitrogen gives nutrients to the soil

Answer:

mitochondria

Explanation:

aerobic is active and energy is produced in the mitochondria so if the mitochondria was damaged it would affect the active transport

In an aerobic cell, active transport is most directly affected by damage to the - Mitochondria as it provides energy for active movement.

Active transport is a movement of particles through the cell membrane against the gradient, or particles too large to move, therefore, they require additional energy to move such substances.

If mitochondria are damage in a cell there will be no energy formation and as active transport requires energy this process will be affected directly.

Thus, the correct answer is - mitochondria.

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Answer:

A. division of the nucleus

Explanation:

Mitosis is a biological process that the cells of all organisms go through in order to replicate and reproduce. It is part of the cell cycle, which is made up of G1, S, G2, and M (mitosis). In G1, the cell is growing; in S, the DNA of the cell is synthesized, or replicated, so we know choice C is wrong; in G2, the cell is being prepared for mitosis; and finally, in M, the cell actually undergoes cell division.

So, we are looking for an answer choice that involves division: either A or D.

At the end of mitosis, there's an additional process called cytokinesis that actually divides the cytoplasm, so the answer can't be D.

Thus, the answer is A.

Answer:

Both nuclei has similar shape and size.

Explanation:

The two nuclei are similar in size and appearance which is formed as a result of mitosis. Mitosis is a type of cell division in which a parent cell divides and produces two daughter cells that are identical to each other in size and shape. When the daughter cells formed the parent nuclei is divided and half part of nucleus is present in each daughter cell.

Prophase is defined as the phase of mitosis during which the mitotic spindle develops and the nuclear envelope fragments.

A kind of cell division known as mitosis occurs when a single cell (the mother) divides into two genetically identical daughter cells. The phase of cell division known as mitosis, when referring to the cell cycle, is when the DNA in the cell's nucleus is split into two identical sets of chromosomes.

In the body, mitosis occurs in three different cell types. They are adult stem cells, somatic cells, and embryonic cells. Somatic cells - In multicellular organisms, somatic cells are the normal cells in the body. Epithelial cells, muscle cells, liver cells, and other types of cells are somatic cells.

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Answer:

THE CROC 2020!!!!!!

Explanation:

Answer:

crocodile will win

Explanation:

hope helps you

Answer:

1. 8000 meters

2. Fossils

Explanation:

1. Rate of southern movement of the plate = 2 cm/year.

In 4000 years, the plate will move a distance of 4000 years * 2 cm/year = 8000 meters

Therefore, the plate will move a distance of 8000 meters south in 4000 years.

2. Wegener in supporting his theory of continental drift used fossils, geologic and glacial evidences. He compared the fossils found in different continents and argued that the presence of fossils of certain animal fossils such as the Lystrosaurus which are found in antarctica, India and South Africa indicates that the continents drifted apart as the Lystrosaurus could not have swam across the ocean to get to these different continents. Also, using geologic evidence by comparing rock structures on opposite sides of the Atlantic ocean, he determined that there were similarities between the rock strata of the Karroo system of South africa with the Santa Carina system in Brazil.