please help :( I’m really stuck

Answer:

[tex]\boxed {\boxed {\sf B. \ A \ population \ of \ wolves \ was \ introduced \ to \ Yellowstone \ National \ Park }}[/tex]

Explanation:

Let's evaluate each choice. Remember we are looking for an event to decrease the genetic variation and population.

A. Yellowstone expanded its borders

B. A population of wolves was introduced

B seems like a good answer, but let's check the others.

C. The amount of disease in the deer population decreased.

D. More grass and shrubs were planted in Yellowstone

The best answer choice is B: A population of wolves was introduced into Yellowstone National Park

Answer:

answer B is correct I just took the test!

In 246 consecutive nasopharyngoscopy examinations, patterns of velopharyngeal (VP) valving and the location of velopharyngeal gaps were examined.

Normal speech production depends heavily on the velopharyngeal valve. The structures that make up this valve are as follows: 

 The coronal pattern of closure predominated (68%) and was followed by circular (23%), circular with a Passavant's ridge (5%) patterns, as well as sagittal (4%) patterns. In 181 patients, gaps were discovered, in 121, they were deemed typical (centrally located), in 28, they were in one of the lateral aspects of the valve, and in 32, they were attributed to abnormalities in the anatomy or function of the posterior border of the soft palate or to the shape of the adenoid tissue. Patients with a coronal valving pattern tended to have abnormal results. These findings highlight additional concerns regarding the care of patients with unusual valving issues.

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Explanation:

Natural selection occurs in specific populations of organisms because of several factors. It begins with overproduction. Overproduction by definition, in biology, means that each generation has more offspring than can be supported by the environment. Because of this, competition takes place for limited resources. Individuals have traits that are passed down to offspring. Some of these traits give individuals an advantage when it comes to surviving to reproduce. The organisms with these traits are more likely to live and have offspring who will inherit the helpful traits.

Hello user!

Cellular Respiration Equation is,

Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O

Also if u even forget what is the equation of it just remember that it is the opposite of photosynthesis

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules and complex structures into adenosine triphosphate (ATP), and then release waste products. Remember when complex substances are broken down into simpler it releases energy. The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae. plz mark brainlist

Cellular Respiration Equation is,

Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O

Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.

Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.

There are three main steps of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation.

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Answer:

There isn't really any.

Explanation:

Except it give you fun little facts that are actually really cool

The median for the number of snails of the 30 segments of this Alabama creek is equal to C. 21.

In Mathematics, a median can be defined as the middle number (center) of a sorted data set, which is when the data set is arranged in from the greatest to least or the least to greatest.

First of all, we would sort the number of snails from the least to greatest as follows:

1, 4, 6, 8, 9, 10, 11, 12, 15, 15, 16, 17, 18, 20, 21, 21, 23, 23, 24, 24, 24, 25, 29, 29, 32, 32, 33, 36, 40, 40.

The median for the number of snails of the 30 segments is the average of the 15th and 16th number:

Median = (21 + 21)/2

Median = 42/2

Median = 21.

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The increased heart failure risk and sudden cardiac death are associated with Pathological cardiac hypertrophy.

Many transcription factors and miRNAs were implicated in cardiac hypertrophy, and In gene expression regulation their high combinatorial action is becoming more clear.  Parallel expression profiles for messenger RNA (mRNA)  and miRNAs were integrated from an in vitro model of cardiac hypertrophy with experimentally validated interactions from seven curated databases in order to build the cardiac hypertrophy-related transcription factors  -miRNA regulatory network. Based on Borda count aggregation of distinct network-based properties they suggested a completely unsupervised technique to identify core regulatory elements.

By combining node scores derived from  active pathways, motif-based centrality, and k-shell index which  was able to prioritize biologically meaningful  transcription factors   and miRNAs as central nodes in the point potential active and  network regulatory pathways  in cardiac hypertrophy. Moreover, we identified recurrent associations in the crosstalk feed-forward loop motifs between transcription factors and miRNAs.Most transcription factors and miRNAs were immersed in specific  interconnection patterns.

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Answer: b) They cannot be fully terrestrial

Explanation:

I took the test

Amphibians are different from reptiles because the amphibians do not breathe using lungs however reptiles have lungs which help them breathe on land. Thus, the correct option is A.

Amphibians are the four-limbed, ectothermic vertebrates who belongs to the Amphibia class of Phylum Vertebrata. All the living amphibians belong to the group Lissamphibia. They inhabit a wide range of habitats, with most of the species living within terrestrial, fossorial, or freshwater aquatic ecosystems.

Amphibians are different from reptiles in characteristics such as amphibians lay eggs in the water, and their young ones have gills which help them to survive in the water. They venture onto land only when fully mature. Reptiles, on the other hand, have adapted to live completely on the dry land. They are viviparous and breathe through lungs and not gills.

Therefore, the correct option is A.

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Answer:

If that were true, then the first thing that would happen when the sun disappeared is that Earth, along with all the other planets, would go flying off into space. It would be complete and utter chaos in our solar system. ... Therefore, we would still see the sun in our sky eight minutes after it was gone.

Hope this helps! :) )

The inner membrane of the mitochondria in muscle cells should have more folds to increase the surface area, that will allow the production of more ATP.

Mitochondria is the double membranous cell organelle, found in eukaryotes. The inner membrane has various folding called cristae to increase the surface area. It also exhibits the ATP synthase enzyme, therefore due to folding the ATP synthesis process is maximized by many folds.

ATP is the energy currency of the cell. Its full form is Adenosine Triphosphate. The cell breaks down glucose to form the ATP and perform all the vital processes in the body.

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Answer:

I think B

Explanation:

A dosen't make sense. If you are asexual you are not attracted to either gender. So, you could not reproduce unless (*cOuGH cOuGh*) ya get it.

Answer: plasma membrane

Explanation: an outer covering that separates the cell's interior from its surrounding environment.

Answer:

All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ribosomes, particles that synthesize proteins. However, prokaryotes differ from eukaryotic cells in several ways.

Explanation:

HOPE THIS HELPSSS

In the phase of wound healing, collagen closes the gap between tissues, and scar tissue forms. This phase is called the Remodelling phase because collagen continues to increase, and the tissue begins to contract with the help of fibroblasts, which adds strength to the new tissue.

However, gradually excessive collagen in the fibrin framework can cause scar tissue formation.

Therefore, at the injury site, the fibrin in blood stops the blood flow and provides mechanical support to the collagens, a protein that helps close the gap between injured tissues and gives strength to the newly formed tissue. This phase continues for six or more months. Thus, it is called as remodel or remodelling phase.

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Answer:

We depend on forest for our survival, from the air we breathe to the wood we use. Besides providing habitats for animals and livelihoods for humans, forests also offer watershed protection, prevent soil erosion and mitigate climate change

Answer:

Under unfavourable conditions, microorganisms form a cyst around themselves.

The particles gather kinetic energy and accelerate as the temperature rises. The actual average speed of the particles is influenced by both their mass and temperature; at a given temperature, larger particles travel more slowly than lighter ones.

A particle or an item that is in motion has a sort of energy called kinetic energy. When work, which entails the transfer of energy, is done on an object by applying a net force, that object acquires kinetic energy.

The relationship between a substance's temperature and its average particle kinetic energy is direct. These particles must move more quickly as the temperature rises because their mass is constant.

Therefore, increasing thermal energy affect kinetic energy AND the rate of particle movement.

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Answer:

The splitting of context es and better envirnment for them more adaptfull  

Explanation:

Answer:

Explanation:

B orC

Answer:

Fruit stems seeds stomata can i have brainiest

Explanation:

Answer:

C) Fruit, Stems, Seeds, Stomata. ❤

Answer:

B

Explanation:

Answer

The seasons of the year, location of low and high pressure systems and air temperature all affect when and where a jet stream travels. Jet streams form a border between hot and cold air.

Explanation:

brainlist??

Answer:

B ISS

Explanation:

The ISS is a cooperation of the worlds largest nations and can have Russian astronauts, Americans and Italians i believe

There are several ways for an archaeologist to determine the relative age of an ancient artifact on a dig.

The first one is relative dating. In this process, the archaeologist has to assume that the sites lower layers are assumed to be older than those that lie above them because of stratification. Assumptions can be wrong that is why it is not widely accepted.

The second one is carbon dating. It is one the most accurate and widely use dating techniques. The archaeologists use the amount radioactive carbon decay to determine the artifact's date.

There are other techniques as well like Thermoluminescence dating, and Dendochronology.

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Answer:

species

Explanation:

please mark me brainliest and 5 star

Answer: The answer is sample 1 if I’m not mistaken

Explanation:

Because it is :) but yeah...

sample 1 mutation will cause translation to stop. nonsense mutation can cause the termination of translation

Mutations are defined as  the change in the nucleotide sequence of genetic material due to different process such as substitution, deletion or insertion of the nucleotides leading to changed or faulty protein.

The type of mutations leads to the early and delayed termination of the transcription of a gene, mutation of a single nucleotide leads to termination of transcription otherwise called as nonsense mutation.

If a mutation shows no effect on the protein, known as the silent mutation.

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Answer:

19.00

Explanation:

the answer is d because in most periodic table the atomic mass is below

Answer:

19 (D)

Explanation:

It is the one with the 19 on the periodic table and it is atomic below it.

If scientists want to solve an environmental problem, they are most likely to use the scientific method.

The scientific method is defined as a series of sequential steps used by scientists to collect empirical data and evidence that serves to raise questions that emerged from observations of the real world.

In conclusion, if scientists want to solve an environmental problem, they are most likely to use the scientific method.

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Another method for lowering the risk of breast cancer in mutation carriers is chemotherapy.

The greatest potential benefit has been linked to risk-reducing surgery for women who have a gene mutation that increases their risk of breast cancer.

An inherited cancer-predisposition condition is the hereditary breast and ovarian cancer (HBOC) syndrome. Affected people are far more likely to acquire specific types of cancer, especially ovarian cancer in women and breast cancer in both men and women.

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