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Answer:

Wave speed is the distance a wave travels in a given amount of time, such as the number of meters it travels per second. Wave speed is related to wavelength and wave frequency by the equation: Speed = Wavelength x Frequency. This equation can be used to calculate wave speed when wavelength and frequency are known

Explanation:

looked it up

Answer:

v = f λ

v  is wave speed

f  is frequency of the wave

λ  is wavelength

Explanation:

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Answer:

vascular because it has spores

They create replicas of fossils.

Answer:

c

Explanation:

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

Somatic cells are involve in the growth and development of an organism required for repair and regeneration

Somatic cells participate in mitosis and contain the same set of chromosomes, these cells have a diploid set of chromosomes as compared to gametes produced by meiosis and have a haploid set of chromosomes

Somatic cells undergo mutation frequently as compared to germ cells, used for cloning by which an identical clone of an individual is produced

Somatic cell nuclear transfer  is one such process where the nucleus of a somatic cell is transferred to an ovum cell. Somatic cells are used to conserve genetic information of animals.

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H: Schizophrenia

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Answer:

Biodiversity

Explanation:

They will of course exhibit the biodiversity of that given habitat because diversity refers to variation in abroad terms and can be applied to any area.

Tissue system, enables the snake to move forward by pushing against the ground while bending and curling its body. Thus, option C is correct.

The body of a snake is long and slender, and it is separated into four quadrants. Head, esophagus, heart, and trachea make up the first quadrant's major structures.

The second quadrant contains the liver, stomach, and anterior, vascularized region of the lung(s).

A snake has a basic skeleton because it has no arms or legs. Hundreds of ribs extend from the base of the tail to the end of the long, flexible spine that connects the head to the backbone.

This enables the snake to move forward by pushing against the ground while bending and curling its body.

Therefore, tissue system  level of organization is represented by the skeleton of the snake.

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The layer of the atmosphere has the widest variation in temperature: (C). Thermosphere

The Atmosphere can be defined as the layer of gas or layers of gases that covers a planet. it includes all the forms of gasses in a planet.

The thermosphere can be defined as the warmest region in the atmosphere, it varies with respect to the altitude.

In conclusion, The layer of the atmosphere has the widest variation in temperature is the Thermosphere

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Answer:

True

Explanation:

The most common cereal grains that are used is wheat, rice, oats, and corn. WHich can all be high in a protein called prolamins, including vitamin D&E, fiber, iron, and other nutrients.

Answer:

The description about population according ecologists is as follows:

Explanation:

Thre are various ecological aspects studied by the ecologist in the ecosystem and one of them is Population ecology. According the ecolgists all member or total individuals of a particular species present in an ecological community is Population.

There are different asppects of the population ecology that helps in the understanding the population such as size of population, growth of population nter and intra- intractions of population. All these aspects are part of population ecology studied by the ecologists.

Answer:

During Metaphase II, sister chromatids of a homologous pair exchange genetic info

Explanation:

Answer:

During metaphase II, sister chromatids of a homologous pair exchange genetic information

Explanation:

Genotype:BB

Ratio:2/4

Percent:50%

Phenotype:black fur

Genotype:Bb

Ratio:2/4

Percent:50%

Phenotype:black fur

Explanation:

prey

seals and fish

predator shark

Answer:

Tiger shark -> Green sea turtle

Sea slug -> Sea sponge

Explanation:

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Multicellular organisms use mitosis for growth, development, and repair and they also play the role of decomposers. Thus, option B is correct.

Decomposer serve a key role in the nitrogen cycle primarily because they break down plant and animals waste and release nitrogen into the atmosphere.

These processes has been based on the single principle: the difference in density between the components of the mixture. They are often used together to separate heterogeneous mixtures of two types as liquid + solid and immiscible liquids. In this case we have what mixture is the sediments of stones and the water that through the sieve will separate one from the other.

Mining has a large impact on the environment because minerals are contained within the Earth. The long term effects of mining include acid drainage, erosion and dust emissions.

Therefore, Multicellular organisms use mitosis for growth, development, and repair and they also play the role of decomposers. Thus, option B is correct.

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Answer:

The key principles of Mendelian inheritance are summed up by Mendel's three laws: the Law of Independent Assortment, Law of Dominance, and Law of Segregation

Explanation:

__________

Answer:

Mendel's observations from these experiments can be summarized in two principles: According to the principle of segregation, for any particular trait, the pair of alleles of each parent separate and only one allele passes from each parent on to an offspring. Which allele in a parent's pair of alleles is inherited is a matter of chance.

Answer:

2. A

3. C

4. A

5. B

Explanation:

When Rr is round and rr is wrinkle

Answer:

A has 25% wrinkled seeds and 75% rounded seeds

B has 100% rounded seeds

C has 50%rounded seeds and 50% wrinkled

Explination:

Rr is rounded seeds rr is wrinkled seeds

Answer:

[tex]0.1631309437 g/cm^3[/tex]

Explanation:

The formula for density is ρ[tex]=\frac{m}{V}[/tex] (where [tex]m[/tex] represents mass, and [tex]V[/tex] represents volume).

With this formula, we can calculate the density of the object:

ρ [tex]= \frac{22.3g}{136.7cm^3}[/tex]

[tex]=0.1631309437 g/cm^3[/tex]

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Answer:

6 giraffes

Explanation:

If an area can provide 450 pounds of food for the giraffes and the giraffes eat 75 pounds of food per day, you can divide:

450 by 75= 6

6 giraffes is the capacity for that area

Answer:

A

Explanation:

Answer:

A

Explanation:

Water does not regulate body temperature. However, it removes waste, hydrates your body, and allows your blood to flow.

Answer:

a

Explanation:

Answer: Mitochondria

Answer:

This question lacks options, options are: A) Vaccines for MRSA have become not effective because of changes to human immune systems. B) The presence of antibiotics induced the bacterial genomes to mutate and develop resistance to the drug. C) Decreased hospital sanitation practices to save money have resulted in increased presence of resistant staph infections. D) Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades.The correct answer is D.

Explanation:

The susceptibility of the various germs has varied greatly in recent years. Strains that had been consistently susceptible to all antimicrobial agents for decades have now developed resistance to these classic therapies, they have the ability to rapidly develop resistance to the newer antimicrobials. Methicillin Resistant Staphylococci (MRSA) is a clear example of this situation. The mechanism that confers resistance to methicillin is complex, since the bacterium has generated a genetic variation, which is encoded in the mecA gene, by which it modifies the structure of its penicillin-binding or binding protein (PBP2a), This prevents methicillin from adhering to the place where it is going to exert the action of blocking the transpeptidase enzyme (whose function in the bacterial life cycle is to synthesize the bacterial wall).Resistance to methicillin in strains of S. aureus is a growing problem worldwide, and staphylococcus gold is an agent that spreads easily and the behavior of the process is aggressive, with which this agent not only carries resistance to methicillin , but rather all ß-lactam antibiotics, including cephalosporins and carbapenem.

Answer:

D. Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades

Explanation:

Answer:  Here's what I could find:

enzymes

The catalysts of biochemical reactions are enzymes and are responsible for bringing about almost all of the chemical reactions in living organisms.

Explanation: So sorry if this isn't what you need.

Answer:

RNA and proteins

Explanation:

Hope this helps!

Answer:

Yes.

Explanation:

Science.

Answer:

B.

Explanation:

They genetically modify crops to advance their produce.

This will create more and better food for the human population.

And with each plant producing more fruit they will have the plant less of them.

Hope this is correct. Have a great day.

Answer:

B. Genetically modifying crops

Explanation: