differenciate between vertebrates and inverte brates with example​

Answer:

diffusion

Explanation:

diffusion occur from lower concentration to higher concentration

Answer:

DNA: thymine, deoxyribose, large molecule, stay in the nucleus

RNA: single strand, uracil, leave the nucleus, small molecule

Explanation:

As for single strand, it's well known that DNA has two strands while RNA has one.

For the description that asks about thymine, you have to remember the nucleotide bases in DNA and RNA. Remember that DNA's bases are A, C, T, and G, while RNA has all the same bases except for T (which stands for thymine). In RNA, the thymine is replaced with uracil, usually abbreviated as U. That sorts out the descriptions that ask for thymine and uracil.

To figure out the one that asks for deoxyribose, remember that DNA has deoxyribose and RNA has ribose (hence why DNA is deoxyribonucleic acid while RNA is just ribonucleic acid.)

For the large molecule/small molecule ones and the questions that ask about the size of the molecule, remember that DNA is a way bigger molecule than RNA and that RNA is small enough to leave the nucleus, while DNA is much too valuable to the cell to be able to leave the nucleus.

Hope this helps!

If you had access to these scientists, what questions would you ask them in order to clarify evidence of the factors that have caused the rise in global temperatures over the past century therefore the two questions which will be asked using two different perspectives include:

This refers to the long-term shifts in temperatures and weather patterns caused by different factors such as global warming via emission of greenhouse gases.

The questions which would be asked  from a person who might be in agreement with the scientists is how it affects the people for a clearer explanation on its effect.

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Answer

La historia de la Tierra no ha sido una evolución gradual desde que nació hace más de 4.500 millones de años, como una bola incandescente, hasta el actual planeta azul lleno de una vida compleja y diversa.

Answer:

C Comets

Explanation:

Chaparral and savannas temperate broadleaf forests are biomes are maintained by fire.

A biome is described as a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate.

Chaparral or Mediterranean forests, woodlands, and shrub is a temperate biome that is composed of a variety of different types of terrain including plains.

A savanna is described as a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome.

There is not enough rain falls on a savanna to support forests hence they are also known as tropical grasslands.

In conclusion, we have that Chaparral and savannas temperate broadleaf forests are biomes that are maintained by fire.

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Answer:

Hope this helps

Answer: A

Explanation:

It has the highest temperature + brightness

Answer: Three key parts of the recipe for evolution are variation, selection, and inheritance.

Explanation:

VARIATION:- The first part of the recipe is variation. Variation refers to the differences that exist between individuals within a SPECIES. These variations can be caused byGENETIC MUTATION, environmental factors, or a combination of both. Some variations may be advantageous and provide a better chance of survival, while others may be disadvantageous and decrease the chances of survival.

Selection: The second part of the recipe is selection. Selection refers to the process by which individuals with advantageous variations are more likely to survive and reproduce, passing on their advantageous traits to their offspring. This is known as natural selection, and it is the driving force behind evolution.

Inheritance: The third part of the recipe is inheritance. Inheritance refers to the passing down of genetic traits from one generation to the next. Offspring inherit genetic traits from their parents, including any advantageous variations that their parents may have had.

The reason it must aim for the fish in a slightly different place than where the fish appears to be located is option D: Light waves are refracted as they travel from air to water.

Light slows down when it transitions from less dense air into more dense glass or water. The light ray changes direction as a result of the slowing of the light. Refraction is brought on by a change in the light's speed.

We know that when light tends to bends away from the normal when it reaches the air, which is why the pelican must dive in front of the horizontally oriented image of the fish because of the law of refraction.

So, The angle at which the light exits the water from the fish bends it away from the normal, giving the impression that the fish is closer to the surface.

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See full question below

A pelican hunts fish in the water. As the pelican flies above the water’s surface, why must it aim for the fish in a slightly different place than where the fish appears to be located?

answer choices

Light reflects off the fish, except for light of the wavelength the fish absorbs, making the fish hard to see.

Water absorbs most of the light, so not much light reaches the pelican’s eyes.

Energy from the ocean waves is transferred to the light waves.

Light waves are refracted as they travel from air to water.

Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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If DNA polymerase does not match base pairs correctly during DNA replication, D) mutations could occur in all daughter cells.

DNA polymerase plays a crucial role in ensuring accurate DNA replication by correctly pairing nucleotides. If mismatches occur and are not repaired, they can lead to permanent changes in the DNA sequence. These mutations can be passed on to all daughter cells during cell division, potentially impacting their genetic information. Accumulation of mutations in cells can disrupt normal cellular processes, affect gene function, and increase the risk of genetic disorders or the development of cancer.

Therefore, the accurate matching of base pairs by DNA polymerase is vital to maintain the integrity of the genetic material during replication. The correct option is D).

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Answer:

true

Explanation:

Adenosine triphosphate is broken into adenosine diphosphate, giving off energy in the process. This occurs during both cellular respiration and photosynthesis.

Answer:

TRue

Explanation:

ATP is the energy carrying molecule that is found in the cells of all living things

Half will have red flowers and half will have white flowers (option c).

In camellia plants, flower color is controlled by a single gene with codominant alleles. In this case, one parent plant has red flowers (R), while the other parent plant has white flowers (WW).

When two organisms with codominant alleles are crossed, both alleles are expressed equally in the offspring. Therefore, in this cross, the offspring will inherit one allele for red flowers (R) from the red-flowered parent and one allele for white flowers (W) from the white-flowered parent.

The possible combinations of alleles that the offspring can inherit are RW and RW.

When the alleles RW and RW combine, the resulting genotypes are RR (red-flowered) and RW (pink-flowered). However, since the allele for white flowers (W) is recessive to the allele for red flowers (R), the plants with the RW genotype will exhibit the dominant red flower phenotype.

Therefore, half of the offspring will have the RR genotype and display red flowers, while the other half will have the RW genotype and also display red flowers. None of the offspring will have the WW genotype, so there won't be any white flowers.

Hence, the expected phenotypes of the offspring of this cross are that half will have red flowers and half will have white flowers. Thus, the correct option is c.

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The correct probabilities are;

Red flowers  - 25%

White flowers - 25%

Pink Flowers  - 50%

A Punnett square is a visual tool for estimating the likelihood that offspring will receive particular features from their parents. It is named for British geneticist Reginald Punnett, who created the idea in the early 20th century.

We can see the colors of the flowers from the Punnet square shown in the image attached here as;

Red flowers  - 25%

White flowers - 25%

Pink Flowers  - 50%

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According to the problem, the moose are the main prey for wolves on this isolated island. Now, notice that a food shortage resulting from wolves eating too many moose keeps the wolf population in check. This means that the predator-prey relationship controls the population size of both species because the predators keep the prey population under control and the size of the population of prey limits the number of predators an ecosystem can support.

We can conclude that the correct answer is:

The relationship controls the population size of both species.

Answer:

The relationship controls the population size of both species.

Explanation:

Corn kernels' color and shape are coded by diallelic genes expressing complete dominance. The genotype of individuals carrying Yellow kernels and a smooth shape phenotype can be either ppSS or ppSs.

Complete dominance refers to the inheritance pattern in which the dominant allele of a gene completely masks the expression of the recessive allele.

The presence of at least one dominant allele is enough to express the dominant trait. This becomes evident in heterozygous individuals.

In the exposed example, two traits are involved. One of them is the kernel color and the other one is the kernel shape.

Genes coding for each of the traits express complete dominance,

If a corn plant had Yellow kernels and a smooth seed shape, it is expressing the recessive phenotype for color (pp) and the dominant phenotype for shape (SS or Ss), so the possible genotypes are,

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Complete question

In corn, purple kernels are dominant to yellow kernels, and smooth kernels are dominant to wrinkled kernels.

The following letters were selected to represent each of the possible alleles:

Color

Kernel shape

If a corn plant had Yellow kernels and a smooth seed shape, what could it's possible genotype be? Choose all that apply.

Group of answer choices

Answer:

Environmental stimulus: The days are becoming shorter. Response: The bear consumes more food, and its heart rate decreases.

Explanation:

I took the quiz

Answer:

An energy pyramid is useful in quantifying the transfer of energy from one organism to another along a food chain. Energy is higher at the bottom of the pyramid, but it decreases as you move up through the trophic levels. Namely, as energy flows through the various trophic levels, some energy is normally dissipated as heat at each level.

Explanation:

Your in collage and don't know this that was a biology question

But yah boom answer

During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.

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Answer:

The condensed form of DNA that can be seen with a microscope as it prepares for cell division is called chromatin.

Explanation:

Answer:

It is 25% less

Explanation:

That is all i can say

A close comparison of the 20% solution to the 45% solution shows that the 20% solution is actually less than 50% of the 45% solution.  

Thus, the result of the comparison shows that there is more sugar in the 45% solution than there is in the 20% sugar solution.

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The correct answer for this question will be option D.

Calcium-41 = 3.12×\(10^8\) atoms

Potassium-41 = 4.69×\(10^9\) atoms

As stated in the question,

Half life of isotope of Ca-14 which decays into K-14 = 1.03 × \(10^5\) years

Therefore, after 1.03 × \(10^5\) years (1 half life)

Ca-41 will be 50%

and, K-41 will be 50%

After 2.06 × \(10^5\) years (2 half lives)

Ca-41 will be 25%

K-41 will be 75%

After 3.09 × \(10^5\) years (3 half lives)

Ca-41 will be 12.5%

K-41 will be 87.5%

After 4.12 × \(10^5\) years (4 half lives)

Ca-41 will be 6.25%

K-41 will be 93.75%

After 4.12 × \(10^5\) years,

Ca-41 = 6.25/100 × 5×\(10^9\)

= 3.12 × \(10^8\) atoms

K-41 = 93.75/100 × 5×\(10^9\)

= 4.69 × \(10^9\) atoms

Therefore, option D is correct.

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Here is an analysis of the changes in vegetation and species diversity based on the data:

In the first years after logging, the area was dominated by grasses, with 32 species present after 1 year. Shrubs and trees were initially absent. This indicates that grasses rapidly colonized the disturbed area after logging.

Over time, the number of grass species declined as shrubs and trees became established. Shrubs first appeared after 5 years and gradually increased, with 18 species present after 45 years. Trees were absent for the first 15 years but then increased to 24 species after 45 years.

The total number of species showed a steady increase over the 45 years, from 32 species initially to a maximum of 77 species after 45 years. This indicates that species diversity was low immediately following the disturbance but gradually recovered and surpassed the original diversity levels.

The pattern of changes suggests that after the initial disturbance of logging, grasses were the first vegetation to recover and colonize the open area. Then over time, shrubs and trees established and the plant community transitioned from grasses to shrubs to trees. This successional progression from early to later species resulted in an overall increase in species diversity as different types of plants colonized the area.

In summary, the key conclusions supported by the data are:

Answer:

a food chain shows how the organisms are related with each other by the food they eat.

Explanation:

1.3.1. "Transparent" means open, accountable, and understandable in public institutions' operations and decision-making. Publicising data and actions makes these institutions transparent. Transparency boosts accountability, trust, and fraud prevention.

1.3.2. Two ways teens can oppose classroom racism:

1) Diversity: Students can plan events, groups, and activities that highlight diverse cultures, races, and backgrounds. Learners respect and appreciate.

2) Advocacy and education: Youth can organise seminars, conversations, or campaigns to teach their peers about equality, tolerance, and racial discrimination. They support equality and non-discrimination.

1.3.3. Teens can promote school cyberbullying awareness two ways:

1) Seminars and presentations: Teens can present on cyberbullying, its effects, prevention, and treatment. Experts help pupils discuss.

2) Cyberbullying awareness campaigns: Youth can educate peers through posters, videos, and social media. Facts, stories, and resources can help cyberbullying discussions.

1.3.4. Cronyism occurs when powerful people favour their friends, relatives, or acquaintances without merit or fair competition. It favours friends above talent. Cronyism fosters nepotism, unaccountability, and unfairness.

1.3.5. Underrepresentation imbalances gender. It indicates a big gender difference in business, school, and society. Gender norms, bigotry, and a lack of leadership opportunities hinder women.

1.3.6. Graduation has two advantages:

Self-improvement: Learning, skills, and experiences help students. It boosts confidence to overcome obstacles, make informed choices, and attain goals.

Open doors: Graduation. Employment, education, and income increase. Career aspirations, lifelong learning, and community improvement are easier for learners.

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Answer:

yes

Explanation:

over the years animals have developed different traits they learned from each other and observed by humans

Answer:

The Heart rate would decrease

Explanation:

The Heart rate is expected to decrease, as calcium influx in blocked , since the threshold membrane potential can not be reached so quickly so the action potential will take place in longer time leading to decreased heart rate.