What is the variable in a scientific experiment that is affected by another variable, called the independent variable?

A) independent variable
B) dependent variable
C) hypothesis
D) control group

Inadequate sunlight prevents coral reefs from surviving below the euphotic zone.

The majority of coral reefs are found nearby in shallow water. Due of this, they are particularly susceptible to the negative consequences of human activity, both directly via the exploitation of reef resources and indirectly through the effects of nearby human activities on land and in the coastal zone. The social, cultural, and economic fabric of local coastal communities is intricately intertwined with many of the human activities that harm coral reefs.

Numerous local risks to coral reefs exist, such as:

Physical harm or devastation caused by recreational overuse, coastal development, dredging, quarrying, harmful fishing methods and equipment, boat anchors and groundings, etc (touching or removing corals).

Land-based pollution that makes its way into coastal waterways There are several pollution kinds and sources from land-based activities.

1.sedimentation

2. Nutrients

3. pathogen

4. Toxic substances

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Answer:

Pilar ended up conforming to this particular social setting's negativity.

Explanation:

Pilar's co-workers do not show support for the causes in which she participates, on the contrary, they underestimate her and denigrate the capacities she has and the possibility of being rewarded for the hard work she intends to do. This does generate an environment full of negativity, which can harm everyone involved. The fact that Pilar, overcoming this environment, winning the prize and giving a sincere speech, regardless of what her colleagues said, shows that she got used to and adapted to a place with this type of negativity.

Answer:

1.LONG LEGS TO KEEP AWAY FROM THE LAND BECAUSE ITS REALLY HOT

2. SHORT FUR OR FEATHERS

3. LIGHT COLORED COATS TO KEEP THE SUN FROM REFLECTING OFF OF YOU SO THAT YOU AREN'T HOT

An infectious particle made only of protein is called a C)prion. Prions are misfolded proteins which have the ability to transmit their misfolded shape into normal variants of the same protein. So,correct option is C.

Prions describe a few lethal and contagious neuro degenerative illnesses in people and numerous other animals. It isn't understood what makes an ordinary protein misfold, however the subsequent unusual three-layered structure presents irresistible properties by falling close by protein particles into a similar shape.

The word prion is gotten from the expression "proteinaceous irresistible particle". In contrast with any remaining referred to irresistible specialists like viroids, infections, microorganisms, growths, and parasites, all of which contain nucleic acids (DNA, RNA, or both), the conjectured job of a protein as an irresistible specialist remains conversely.

Hence,correct option is C.

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(Complete question) is:

An infectious particle made only of protein is called a what?

a)virus

b)lipid

c)prion

d)bacteria

Answer:

When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms

Explanation:

Yan lang po ang alam ko

Answer:

Nobody was there to water them so they all died. No I do not think they could be revived or recover.

Explanation:

none needed

Answer:

Breathing rate increases to provide the body (exercising muscles) with oxygen at a higher rate. Heart rate increases to deliver the oxygen (and glucose) to the respiring muscles more efficiently

Answer:

In these cases, genetic drift can result in the loss of rare alleles and decrease the gene pool. Genetic drift can cause a new population to be generally distinct from it's original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.

Answer:

b)the total amount of energy released by an earthquake

Answer:

semiricular notch that dives the head of the crayfish from the abdomen

If the protein sample does not migrate in the gel, it may be because of insufficient buffer in the outer buffer chambers, the electrophoresis cell is not connected to the power supply, and the tape at the bottom of precast gel cassette was not removed.

Gel electrophoresis is a technique for separating and analyzing macromolecules such as DNA, RNA, and proteins based on their size and charge. A gel is put in an electrophoresis tank in the technique, and an electrical field is applied to it. Because of the electrical charge, the macromolecules will move through the gel at various speeds. The molecules are separated based on size and charge, resulting in different bands of macromolecules within the gel.

The following are some of the factors that could be contributing to the issue of protein sample not migrating in the gel:

Insufficient buffer in the outer buffer chamber

Electrophoresis cell is not connected to the power supply

Insufficient buffer in the inner buffer chamber

The tape at the bottom of precast gel cassette was not removed

The amount of protein loaded in the well is not sufficientThe gel is not submerged in the buffer entirely.

The sample is loaded incorrectly into the well or not loaded properly.

The sample is too concentrated.

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Compared to the tropical rainforests, the temperate rainforests generally have  more broad-leaf trees.

In general, temperate rainforests have more broad-leaf trees than tropical rainforests do. It is as a result of the rainforest's significantly lower average temperature as compared to tropical rainforests.

In order to create distinct layers of vegetation, groups of plants with identical size and life form are referred to as synechiae. Synechiae can be found in greater numbers in tropical rainforests than in other types of ecosystems. They comprise both mechanically dependent synechiae, such as climbers, stranglers, epiphytes, and parasitic plants, as well as mechanically independent species, whose stems are self-supporting. The tropical rainforest contains a unique assortment of different-sized trees, and these trees create numerous canopies beneath the top layer, albeit they are not usually easily distinguishable as distinct layers.

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The DNA fingerprinting technique that examines the length variation of DNA repeat sequences in human DNA is called Variable Number Tandem Repeat (VNTR) analysis.

VNTRs are DNA regions that comprise short, repeating nucleotide sequences. Because the number of repeats at a specific VNTR locus can differ between people, it is a useful tool for DNA profiling.

VNTR research entails amplifying VNTR regions with PCR and then sorting the amplified fragments by size with gel electrophoresis.

Unique DNA profiles can be produced by comparing the size and number of amplified fragments between different people, which can then be used for identification and other purposes.

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Answer:

Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.

Answer:

Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.

Answer:

72

Explanation:

18ft on 2 sides, 18 + 18 = 36. 44 - 36 = 8, 8/2=4.

So, you would have to do 18 x 4 which equals to 72.  

Hope this helps :D

Answer:

epigenetic changed are reversible and do not change your DNA sequence, but they can change how your body reads a

DNA sequence

The professor gave samples from seven fern species and one moss. The most likely reason of her giving the moss sample is to serve as an outgroup. An outgroup is a taxon that is closely related to, but not a member of, the group being studied.

It serves as a reference point for comparison, providing a basis for identifying the shared and derived characters that distinguish the members of the ingroup (the group being studied) from other taxa. By comparing the characters of the ingroup and outgroup, one can identify which characters are unique to the ingroup and which have been inherited from a common ancestor. In this case, the lily is not an orchid species but is closely related to orchids, so it is a suitable outgroup for constructing a phylogenetic tree of orchids. By comparing the characters of the orchids and the lily, one can identify which characteristics are unique to the orchids and which have been inherited from a common ancestor. This allows for the identification of shared derived characters, which can be used to group the orchids into related clades on the phylogenetic tree.

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The given question is incomplete. The complete question is as follows:

Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?

A. to see if the lily and the orchids show all the same shared derived characters

B. to see if the lily is a cryptic orchid species

C. to serve as an outgroup

D. to demonstrate likely homoplasies

d. Iron-deficiency anemia.

hope it helps!!

Answer:

I think it's a

Explanation:

The shortness of breath an night swears

The answers are that the geological process responsible for fossils being found on high mountains today is called Orogeny Tectonics. With no radioactive isotopes, the Earth's geography would be vastly different and void of life. If radioactivity produced twice as much heat the earth would become unstable.

The discovery of fossil ammonites within rocks at the highest mountains on Earth is due to orogenic plate tectonics. Plate tectonics is the name we use to describe a process in which pieces of the earth's crust move and often slam into each other, causing one of these to pile onto the other.

This can lead to the formation of mountains and mountain ranges. This process helps to explain why fossils of ammonites known to dwell in the ocean can be found in mountains.

Radioactive isotopes, or better yet, the decaying of radioactive isotopes, are responsible for generating most of the Earth's internal heat. The internal heat of the earth is the driving force of plate tectonics and without it, much of the geological activities responsible for the earth's current geography would not have happened.

Radioactive isotopes were vital in allowing for the conditions of the earth at the time that life evolved, and the heat they produce allows the earth to have a molten core and thus generate a magnetic field for protection.

Now, if the heat produced by radioactive isotopes were to double, the  Earth's internal temperature would nearly double. Since this heat is the driving force for plate tectonics, we can expect a sharp increase in the number of earthquakes and volcanic eruptions. These can, in turn, cause tsunamis and changes to the earth's global temperature. Mountains would form continuously and continents may break apart. This instability would make life on earth's surface improbable.

Therefore, the geological process responsible for fossils being found on high mountains today is called Orogeny Tectonics. Without radioactive isotopes, the Earth's geography would be vastly different and void of life. Radioactivity producing twice as much heat would make the earth very unstable.

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Answer:

enzyme= amylase

substrate = molecules

products= sugar molecules

I thinks that's the answer

They are little soft bodied insect. They suck the plant's nutritious liquid and if they are in large number, they can kill the plants.

Answer:

1 and 3

Explanation:

Answer:

1,3 &4

Explanation:

I took the test

Answer:

b. Mosquitoes

Explanation:

Mosquitoes are an R-selected species.

Oxygen molecules were added to the environment through autotrophic activity. The origin of life on Earth is explained by the heterotroph hypothesis.

According to the so-called heterotrophic hypothesis, life originated from an organic soup of tiny molecules either transported to Earth by alien objects or created through gas-gas reactions caused by lightning.

The heterotroph hypothesis states that the first cells were likely heterotrophic and would have devoured organic molecules created in the absence of cells. These cells would have required to produce energy through a process known as fermentation.

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A physical construction that accurately represents something unseen, too small or large, or an idea is called a model.

A model is a physical construction or representation that accurately depicts something that is either unseen, too small or too large to be observed under normal circumstances, or an abstract idea. Models serve as tools for understanding complex concepts, phenomena, or systems by providing a tangible representation that can be studied, analyzed, and manipulated. In the scientific realm, models are extensively used to study microscopic structures, such as atoms and molecules, which are too small to be directly observed. For example, the ball-and-stick or space-filling models represent the spatial arrangement and bonding patterns of atoms within molecules. These models allow scientists to visualize and comprehend the molecular structure, aiding in the understanding of chemical reactions and properties.

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pine trees, redwoods, and conifers belong in gymnosperms plant group.

The gymnosperms are a clade of seed-producing crops that involves conifers, cycads, Ginkgo, and gnetophytes. They form the clade Gymnospermae, and the living members of this clade are known as Acrogymnospermae. The term gymnosperm is derived from the Greek compound word o, which literally means "nked seeds."

Gymnosperms are a small class of plants that do not flower and produce "nked seeds." This implies that the seeds are generated on the reproductive structure's surface rather than within it, as in fruit.

Conifers (pines, cypresses, and relatives) are by far the most numerous group of living gymnosperms, followed by cycads, gnetophytes (Gnetum, Ephedra, and Welwitschia), and Ginkgo biloba (a single living species). Gymnosperms are dioecious in about 65% of cases, but conifers are mostly entirely monoecious.

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Answer:

D

Explanation:

The statement that illustrates bias in scientific research is an ecologist publishes data funded by a construction company that supports their original hypothesis that endangered animal's territory is not endangered (option C)

In scientific research, bias can occur when the results or processes are manipulated on purpose. This usually occurs if:

Scientific research occurs in situation B because it is convenient for the construction company to show that endangered animal's territory is not endangered as this would allow the company to build in certain areas and therefore, they are likely to manipulate the results of this research.

According to this, option B shows scientific bias. On the other hand, other options do not show bias because in these the results do not seem to be manipulated.

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