What's the primary reason that mammals and avian dinosaurs thrived in the Paleogene period? A. Plants developed as the main food source for these heterotrophic organisms. B. Their predators had been killed off by the Permian extinction. C. Their predators had been killed off by the Cretaceous-Paleogene extinction. D. The earth significantly warmed, and cold-blooded animals couldn't survive.

A part of the DNA that codes for a functional protein i believe

Answer:

The correct answer is: a part of DNA that codes for a functional protein.

Explanation:

Transcription is the process in which a DNA fragment is used to synthesize an mRNA strand that will later be used to code for a protein.

Not every part of the DNA codes for functional proteins, many fragments will be cut off through a process that occurs right after transcription and is called splicing.

During splicing, the introns (parts that do not code for functional proteins) in the DNA are chopped off, while the exons remain and are stuck together.

The beginning part of the DNA molecule is called a promoter and is where the RNA polymerase binds to in order to start transcription.

The characteristic of life that relies on the sun is using energy. Hence, the third option is correct.

Energy from the sun is captured by organisms like green plants, algae, cyanobacteria, and photosynthetic protists. These organisms perform photosynthesis where they convert solar energy into chemical energy, which is necessary for all living things to survive and carry out various life processes. Furthermore, the availability of light from the sun plays a pivotal role in the evolution of adaptations in these photosynthetic organisms, allowing them to capture light more effectively, especially in environments where light conditions can vary significantly, such as the understory of forests.

ATP

NADPH

the ATP produce will go to the Calvin circle

The force of gravity between two objects is directly affected by the objects' masses and the distance between them, as stated by Newton's Law of Universal Gravitation. Density and volume of the objects don't directly determine the gravitational force.A. The objects' masses and D. The distance between the objects.

The force of gravity between two objects is affected by the following factors: A. The objects' masses and D. The distance between the objects. This concept is described by Newton's Law of Universal Gravitation, which states that the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Therefore, if the mass of any object increases, the gravitational force between them also increases. Conversely, an increase in distance between objects reduces the gravitational force between them. The other options, B. The objects' density and C. The objects' volumes, do not directly affect the force of gravity between two objects.

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Answer:B.Hubble's constant

Explanation:

Astronomers have come up with the most precise measurement to measure the expansionof the universe.

We know the space is expanding and the push behind the swelling of the space is measured by a constant called the "hubble's constant" and it is measured in kilometers per second per megaparsec.

It is a way to measure distance between two stars but scientists think it is not accurate enough and are still looking for more specific and precise measurements

Answer:

The three structures that are most likely found in all fish are: blood, fins, and gills.

Explanation:

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Answer:

fins, gills, blood

Explanation:

Answer:

A

Explanation:

When the surface runoffs are strong enough to cause sediment detachment and if the amount of sediment is within the load limit the runoff can carry, then these conditions are set for rill erosion. The rills are the narrow shallow strips that are formed for in the wake of the runoffs. They are formed from heavy downpours. The runoffs are fast but not as fast and strong as those in gully erosion.

Rill erosion is described as the process where runoff from heavy rainfall forms narrow, shallow channels known as rills across the land. This takes place when the water flows in small streams and erodes the soil, which is a common progression from sheet erosion.

The correct answer to the question is A. Runoff from heavy rainfall forms narrow, shallow channels. This describes rill erosion, a common form of water erosion that often develops from sheet erosion. When runoff water accumulates and flows in small streamlets across the land, it creates these channels known as rills. If left unchecked, they can grow larger and potentially join together to form gullies, which are much deeper and more severe channels.

Rill erosion is distinct from rain splash erosion, where the impact of raindrops displaces soil particles, and from sheet erosion, where a thin film of water removes a uniform layer of soil. Unlike gully erosion, which is characterized by the formation of deep channels due to fast-moving water, rill erosion involves the development of smaller, more numerous channels that can gradually expand.

Answer: Anyone can get any type of cancer, though you happen to be more likely to get it if relatives have, that is not a guarantee you are safe. Cancer occurs when some of your body's cells begin to divide and spread to other parts of your body and in surrounding tissue. Breast cancer is the cells in the breast tissue clumping together to form cancerous tumors. Though some tumors are benign, meaning they are not going to hurt you.I am sorry about the news, prayers.

Answer: because soomeone in your generation probably had it or if you got an infection wit your breast. I kw some people who asks the same questions

Answer:

dish soap, vegetable oil, lamp oil

Explanation:

The substances with higher densities will sink below than those with lower densities.

There are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.

Density is defined as the mass per unit volume of a substance where the symbol used for density is ρ, although the Latin letter D may also be used. Density is defined as mass divided by volume:

[tex]{\displaystyle \rho ={\frac {m}{V}}}[/tex]

where, ρ is density,

m is mass, and

V is volume

In the example above, the liquid is honey which is the densest liquid of the group that was analyzed where water is the second densest liquid analyzed which is heavier than oil and ethyl alcohol, and lighter than honey. Oil floats in water, which has a lower density than it does.

Thus, there are three substances namely oil, honey and water in which the oil with the lowest density floats on the top of the water but the honey with the highest density settles at the bottom.

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Answer:

because you can only grow so much if you keep growing your organs wouldn't be able to keep up with your body

Explanation:

Answer:

When homeostasis is interrupted, your body may correct or worsen the problem based on certain influences, causing the insulin secreation to be stopped, can alter the blood pH, affect digestive system, and other problems.

Explanation:

Ok, when the is and imbalance in a body system, that balance is shifted or disrupted and homeostasis is not maintained, the results may not allow normal functioning of the organism, causing deseases. Disease and cellular malfunction can be caused in two basic ways: by deficiency (when beneficial pathways are blocked) or toxicity (cells have an excess of a toxin that poisons the cell).

And when homeostasis is interrupted, your body may correct or worsen the problem based on certain influences: it can cause diabetes, where the endocrine system has difficulty to maintain the correct blood glucose levels, you might have a problem producing heat from the nutrients you take in, it causes insulin secretion to be stopped, the plasma pH (blood pH) can be altered by respiratory changes in the partial pressure of carbon dioxide, and other systems may present problems as well.

Other systems may respond by, The digestive system, For example, it helps the body maintain equilibrium by providing nutrients to the body and ensuring factors like blood sugars are maintained. The endocrine system also uses antagonistic hormones such as insulin and glucagon to maintain body homeostasis, And Since body systems are interconnected, then if one system fails to maintain homeostasis, then the other body system will be affected and will also attempt to adjust. An example is an increase in temperatures of the body that will affect digestive system because the enzymes of the body should work optimally at body temperatures.

Answer:

Vacuoles

Explanation:

Answer:

Answer:

The correct answer would be 0.589

The Hardy-Weinberg equation is p + q = 1

In addition, the frequencies of p and q in a Hardy-Weinberg population remain the same generations over generations.

The value of q⁸ is given as 0.169

So, the value of q =  ⇒ 0.411

Thus, the value of p = 1 - 0.411 ⇒ 0.589.

So, the expected value of p would be 0.589

The p-value for the next generation of four o'clock plant for the flower color will be 0.589. Thus, the correct option is D.

The Hardy-Weinberg Equilibrium is an important fundamental principal of the population genetics, which states that the genotype frequencies in a population remains constant between the different generations in the absence of any kind of disturbance by the outside factors.

The expected p-value in the next generation can be calculated by Hardy-Weinberg equilibrium through the formula:

p + q = 1

where, p and q are the frequencies of different alleles in a population.

q² = 0.169

q = [tex]\sqrt{0.169}[/tex]

q = 0.411

p + q = 1

p = 1 - q

p = 1 - 0.411

p = 0.589

Therefore, the p-value expected for the next generation will be 0.589.

Therefore, the correct option is D.

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Answer:

Deep Ocean.

Explanation:

This area recives no sunlight at all

Deep Ocean ecosystem receives the least sunlight. An ecosystem is consist of biotic and abiotic organisms.

An ecosystem is consist of biotic and abiotic organisms. There is a major relationship between biotic and abiotic or biotic and biotic components.

The relationship between biotic and biotic components is called food chain, in which one organisms depends on others for their survival and balance the energy flow in the ecosystem. So impact on any one species in the food chain will impact the whole ecosystem.

Thus, Deep Ocean ecosystem receives the least sunlight.

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Answer:

radioactive pytoplasm productin activity.

Explanation:

CUZ LOGIC EXISTS

Protein production will be affected if a toxic chemical destroys the ribosomes.

Explanation:

Ribosomes are a cell structure that makes protein. Protein is one of the most important Biomolecules which is required by the cell to carry out cellular process.

Ribosomes can be discovered gliding inside the cytoplasm or embedded to the endoplasmic reticulum.  The area of the ribosomes in cell figures out what sort of protein it makes.

The protein synthesized by the free floating ribosomes are used by the cell for inter cellular functions, whereas the protein synthesized by the ribosomes embedded on endoplasmic reticulum is used for both inner as well as outer functioning of the cells.  

Answer:

The correct answer is D

Explanation:

1- Most of the protists and all Prokaryotes are unicellular organisms.  

2- Prokaryotes lack a proper nucleus and other membrane-bounded organelles while protists have membrane-bounded nuclei and other organelles.

3- Protists have cytosol where most of the organelles are found.

4- Protists don't have a cell wall while prokaryotes have a cell wall that acts as an extra protection layer. The cell wall of the protists shapes their body.

Answer:

Most protists and all prokaryotes are unicellular. (or D)

Explanation:

I had the question.

Answer: CAPILLARIES

Explanation: Gas exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the blood stream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessel is called capillaries, which are located in the walls of the alveoli.

The peduncle of a flower is equivalent to the flower's stem. It supports the flower and allows for the transportation of nutrients and water to the flower.

The peduncle of a flower is the part that serves as the flower's stem. It is the structure that supports the flower, and is typically located at the top of the plant, extending upwards to hold the flower aloft. Therefore, the correct answer to your question is A. Flower Stem. The peduncle connects the rest of the plant to the flower, allowing nutrients and water to travel from the roots and leaves to the reproductive parts of the flower.

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Answer:

The human body has got five senses that collect information from the outside world.

Explanation:

Below are some of the senses and the information they collect:

Matter

Matter is the physical atoms and molecules of solids, liquids and gases which produces heat energy that we can detect through our sense of touch.

We collect information about gases through smelling.

Space

As far as we can tell from our senses, there are three dimensions of space information collected by our bodies.

We can see light energy which reflects off surfaces.

Time

We create our sense of time internally through interacting with objects or other people.

The body detects external information via five special senses: olfaction, gustation, equilibrium, vision, and hearing, as well as general senses like temperature, pain, pressure, and vibration. These senses work through sensory transduction, converting stimuli into electrical signals.

The human body can detect a variety of sensations from the outside world through specialized sensory systems. We have five special senses: olfaction (smell), gustation (taste), equilibrium (balance and body position), vision, and hearing. These senses allow us to receive information about our environment and help us to interact with it. Additionally, our bodies have general senses, also known as somatosensation, which respond to stimuli such as temperature, pain, pressure, and vibration.

Within our skin are nerve receptors that facilitate our sense of touch. These receptors can detect pressure, hot, cold, and pain. Moreover, humans are capable of detecting approximately 10,000 different odours thanks to our approximately 1,000 types of odour receptor cells. Our vestibular system provides our sense of spatial orientation and balance, while proprioception informs us of the position of our bones, joints, and muscles, which is essential for movement coordination, known as kinesthesia. All sensory systems share a common function: the conversion of stimuli into electrical signals in the nervous system, a process known as sensory transduction.

Answer:

- prehensile hands and feet

- five digits and opposable thumbs

- flexible and limber shoulders and hips

- big and complex brains

Explanation:

The primates are the most intelligent animals collectively, and they include the most intelligent animal on the planet, the human. All of them share some common characteristics that lead the paleoanthropology to conclude that they share a common ancestor. Most of them have prehensile hands and feet, which is a rare among other groups of animals. Almost all of them have five digits on their hands and feet, possessing opposible thumbs as well, enabling them to grab things. The shoulders and hips are also much different than the other animals, being much more flexible and limber. The most important characteristic maybe is their brain, as it is abnormally large and complex when compared with other animals of the same sizes. Their complex brains enable them to perform numerous things that other animals can't even imagine, and eventually that large brain helped in creating the most intelligent animal on the planet, the human.

Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry: opposable thumbs, forward-facing eyes, flexible hands and feet, and a large brain relative to body size.

Primates share several characteristics that lead paleoanthropology to conclude that they have a common ancestry. Four of these characteristics are:

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B. To orient themselves and to find food

Since they cannot see very well or even at all in some cases, these animals use echolocation instead to orient themselves, to find where they are, and to find food.

C. To attract mates so that they can breed

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

a phenotype is an individual's observable traits. For example a phenotype is black hair or blue eyes.

No, it is not possible for them to have a child with dry earwax. In order for them to have a child with dry earwax, the child must have two recessive alleles in that trait. As the father is the only one who has one, there will be a 50% chance of heterozygous offspring, and a 50% chance of homozygous offspring in the dominant allele - no homozygous offspring in the recessive allele.

Final answer:

No, it is not possible for the child of a man with one dominant and one recessive earwax allele and a woman with two dominant alleles to have dry earwax, as they cannot inherit two recessive alleles in this scenario.

Explanation:

In humans, having wet earwax is a dominant trait while having dry earwax is a recessive trait. The gene for earwax type is located on chromosome 16. A man with one dominant (W) and one recessive (w) allele has wet earwax because the dominant trait is expressed when an individual is heterozygous.

A woman with two dominant alleles (WW) also has wet earwax. When these two individuals have a child, their offspring could have the following genotypes: WW (wet earwax, received a dominant allele from both parents), or Ww (wet earwax, received a dominant allele from one parent and a recessive allele from the other). The possibility of this child having dry earwax (ww) is nonexistent because the woman cannot provide a recessive allele.

Electrical products

Explanation - Polymers of electrical products can be produced in large quantities and low cost. This type of polymer are non-conductive in nature. However, they very high heat resistance property. Polymers for electrical products can mold itself in various shapes and sizes and also can reach very minute areas.

Polymers vary from one item to another. Polymers for commercial packaging is different from polymers of electrical products. Thus, polymers need to be chosen properly according to the use and its effectiveness.  

Synthetic polymers, such as plastics and rubbers, are cost-effective to produce and can be engineered for specific uses, from packaging to structural supports. They often have advantages over their natural counterparts and are essential in everyday life, although their non-biodegradable nature calls for effective recycling practices.

Synthetic polymers can be produced in large quantities at low cost. The commercial production of synthetic polymers, such as plastics and rubbers, offer economic benefits over natural polymers. Through the process of polymerization, monomers are covalently bonded to form these large, complex molecules, which can then be tailored to have specific properties for diverse applications. High molecular mass polymers are used in a wide variety of consumer goods and materials such as clothing, medical devices, and structural supports experiencing corrosive environments.

Some common synthetic polymers include polyethylene, polyvinyl chloride (PVC), and polystyrene, which are derived from petrochemicals and possess properties that make them versatile and durable. Moreover, adding functional groups to polymers can drastically alter their properties. Recycling of polymers, particularly plastics, is important due to their non-biodegradable nature, which poses environmental challenges. This recycling helps minimize the usage of petrochemical resources and reduces environmental damage.

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Answer:When two organisms compete for resources, typically the stronger, faster, or smarter organism wins. If the other organism isn’t able to find resources, it may not survive.

Explanation:

Final answer:

Competition affects weaker organisms within a species by reducing their access to resources necessary for survival, which can lead to lower reproduction rates and the eventual extinction of the less adapted species. Interspecific competition creates selective pressure, influencing evolutionary outcomes like niche specialization or displacement.

Explanation:

Competition affects weaker organisms of a species by placing them at a disadvantage when it comes to survival and reproduction. When two species "fight" over a resource, the species that is less adapted may get fewer resources, leading to lower survival rates and possibly extinction of that species. Moreover, even the winning species experiences a negative impact as valuable resources and energy are used up in the process of competition. Interspecific competition acts as a selective pressure, which can lead to different outcomes including niche specialization or the complete displacement of the less competitive species.

anaerobic respiration does not require oxygen so, option C is right answer

Answer:

It's C. Anaerobic respiration does not require oxygen.

Explanation:

C because Aerobic respiration cannot occur without oxygen. Anaerobic respiration occurs in the absence of oxygen. Both processes consume glucose, produce ATP, and release energy.

Bill Nye's demonstration of removing blocks from a tower likely aimed to illustrate physics concepts such as structural integrity, distribution of forces, and stability and balance through the visual and interactive element of the blocks' arrangement.

When Bill Nye was removing some of the blocks in his tower of blocks, he was likely trying to demonstrate principles related to physics, such as the structural integrity of designs, the distribution of forces, or the concept of stability and balance.

For example, by removing blocks from different parts of the tower, he may have been showing how forces are distributed throughout a structure and what happens when that distribution is disrupted. The demonstration would illustrate that certain blocks, much like certain elements within a physical system, play a critical role in maintaining the overall stability and integrity of the structure. When these are removed or altered, it can lead to a collapse or change in the structure's behavior. The lesson behind such an experiment is foundational in understanding concepts like center of gravity, load-bearing capacity, and the importance of proper material and design in architecture and engineering.

Answer: Weakens the image of stars

Explanation: Chromatic aberration is the defect in lens occurs when the light beam deflected by the lens is dispersed in its constituent colors. When the light beam deflected by the lens is dispersed in its constituent colors the image formed by the lens is not just a single point image it scatters images according to different colors of the light. There are two types of chromatic aberration Lateral chromatic aberration:The images formed in lateral chromatic aberration the image of stars is shifted to sideways of the real appearance of star.Longitudinal chromatic aberrationThe images formed in longitudinal chromatic aberration the image of stars is enlarged longitudinally to the real appearance of star. Thus, the image formed in this case is weaken longitudinallyWhen stars are observed from the earth the due to longitudinal chromatic aberration the image of star is weaken.

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Answer: Organisms use inorganic compounds to convert carbon compounds.

Explanation: Chemosynthesis is the process by which food is made by bacteria using chemicals as the energy source, rather than sunlight.

Answer: Photosynthesis and chemosynthesis. ... Chemosynthesis is the process by which food (glucose) is made by bacteria using chemicals as the energy source, rather than sunlight. Chemosynthesis occurs around hydrothermal vents and methane seeps in the deep sea where sunlight is absent

The correct term that describes a species that has far fewer members today than in the past is D. threatened.

A species is considered threatened when its population has declined significantly compared to historical levels, and it is at risk of becoming endangered if the factors causing the decline are not addressed. This term indicates that the species is facing serious threats to its survival, which could be due to habitat loss, overexploitation, pollution, invasive species, disease, or climate change.

Option A, restored, refers to a species that has been brought back from a state of decline to a healthier population size, often through conservation efforts.

Option B, specialized, describes a species that has evolved to fill a specific ecological niche, often with a very particular set of adaptations for its habitat or food source. This term does not necessarily imply anything about the species' population size.

Option C, protected, refers to a species that is legally safeguarded by measures such as laws, regulations, or international agreements to prevent it from becoming extinct. While protection is often afforded to threatened species, the term protected itself does not indicate a decline in population size, only that measures are in place to prevent such a decline.

The correct answer is option (D). Threatened term describes a species that has far fewer members today than in the past.

When a species is considered threatened, it means that the species is at risk of becoming endangered in the near future.

The other options do not accurately describe a species with a drastically reduced population:

A. Restored -

B. Specialized -

C. Protected -