6. why do different asteroids reflect a different percent of the light falling on them?

Answer:

A multicellular organism develops from a single cell (the zygote) into a collection of many different cell types, organized into tissues and organs. ... During development, cells use both intrinsic, or inherited, information and extrinsic signals from neighbors to "decide on" their behavior and identity.

Explanation:

Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions

Answer:

What they said ^^

Explanation:

Answer:

Bombing of Hiroshima

Explanation:

This made him want to study the science of life

Answer:

C

Explanation:

when hurricanes encounter land masses, they lessen in intensity. thus option C is correct.

Hurricanes are the storms  come with a rotating wind speed of 74 miles per hour.

rotating wind swirls across the warm water of the tropics and comes with a terrifying force. This force blasts causes destruction and even death.

Hurricanes are nature’s most destructive storms as they bring heavy rains, deadly waves and fierce winds, these leave their mark on the earth by ripping up trees, causing floods, and destroying homes.

Tornado winds are  violent and stronger than hurricane winds which is last longer and cover up to 500000 square miles of land.

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If tallness is dominant, a man who is homozygous for tall would have the genotype TT. In this case, both alleles inherited from his parents would be for tallness. Therefore, all of his gametes would contain a T allele.

The possible gamete combinations for a homozygous dominant individual (like the one described in this scenario) are limited to a single type. In this case, the man's gametes would all contain a T allele, as there are no alternative alleles present to be passed on during gamete formation. So, all of his gametes would be T, and the resulting offspring of his mating would all inherit a T allele from him.

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Answer:

c

Explanation:

Adaptation is a heritable behavioral, morphological, or physiological trait that has emerged through natural selection to preserve or improve an organism's fitness. Therefore, option (C) is correct.

The term "adaptation" refers to a behavioral, morphological, or physiological trait that is inherited and has developed as a result of natural selection to maintain or improve an organism's fitness in response to a specific set of environmental conditions. Adaptation can be thought of as a heritable trait.

One useful illustration is the capacity to conceal oneself. Camouflage is an adaptation that helps an organism blend in with its surroundings so that it is not obvious to other organisms in those same circumstances. The organism is also able to protect itself from the hostile environment thanks to its adaptations.

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Genes are the segment of DNA that contain the information to synthesize a specific protein molecule.

DNA stands for Deoxyribonucleic Acid. It is the genetic material that contains the information for the synthesis of various type of proteins that give an organism several trait. DNA structure is composed of two strands present in a helical form.

Protein is the biopolymer composed of amino acids as the monomer. It is the functional form of genes that perform various functions inside the living body. These functions include transport, enzymes, signaling, structural, etc. Proteins can be of two types based on their structure: fibrous and globular.

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Levees are beneficial to human settlements by preventing rivers from flooding their banks as often. Thus, the correct option is A.

Levees may be characterized as a natural or synthetic barrier that precludes and obstructs the water from running where we don't want it to move.

Levees are constructed when water compels the depositions to the flank of a river. They function as a natural barricade and control floods.

Levees control the flow of water from proceeding into the regions where there is a human settlement. They dissuade the rivers from flooding cities in a hurricane or storm or any other natural calamity overflow.

Therefore, the correct option for this question is A.

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Answer:

the genotype of the man would be Dd

Explanation:

Heterozygous means having to different alleles (ex. Ff) so the mans genotype would be Dd

A converging neural circuit is one that concentrates or directs a large number of incoming impulses to a relatively small number of neurons.

The neuron is the basic structural and functional component of the nervous system. Excitatory neurons and inhibitory neurons are the two main categories of neurons. Together, these two varieties of neurons enable the brain to transmit and receive impulses. Action potentials are produced by excitatory circuits, while action potentials are suppressed or prevented from being produced by other neural network cells by inhibitory circuits.

Multiple sensory receptors are connected to a single ganglion cell in a convergence circuit. This implies that each receptor cell's sensory information is not sent to the brain in the same way Instead of carrying its own message all the way to the brain, it is somewhat condensed and converged to fewer neurons.

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Answer:

1. HETEROzygous - Having 2 diff.alleles for a gene

2. Dominant - Allele whose trait is always expressed

3.Recessive - Allele whose trait is hidden unless paired.......

4. genotype - the genetic makeup of an individual

5.phenotype - the physical charact.of a trait

6.honozygous - having 2 identical alleles for a gene

The rugosity of a coral reef results in increased water turbulence relative to adjacent sandy benthos True

An underwater environment known as a coral reef is characterized by corals that construct reefs. Coral polyp colonies are bound together by calcium carbonate to build reefs. Stony corals, whose polyps gather together, make up the majority of coral reefs.

Sea anemones and jellyfish are members of the animal phylum Cnidaria, and coral is a member of the class Anthozoa. Contrary to sea anemones, corals develop tough carbonate exoskeletons that serve as the coral's support and defense. The majority of reefs thrive in warm, shallow, clear, bright, and turbulent water. At the beginning of the Early Ordovician, 485 million years ago, b first emerged, replacing the microbial and sponge reefs of the Cambrian.

Shallow coral reefs make up some of the planet's most diversified ecosystems and are sometimes referred to as underwater rainforests.

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The digestive system can be thought of as a long tube with 2 major openings that is mouth and anus, which suggests that option C is the right answer.

Digestive system is the organ system in the body which produces enzymes and other juices to digest the food that we take in. These enzymes break the complex particles into smaller ones. The first opening of digestive system comes form the mouth itself while the next opening goes towards the anus. Alimentary canal, mouth, esophagus, stomach, small intestine, large intestine etc. are the main parts of digestive system. Millions of microscopic finger-like projections called villi line the inside of the small intestine.

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The question is as follows,

A marine ecosystem is represented below (you will find the image in the attached files).

- Decomposers

6) Top carnivore:  sharks, dolphins, albatross

5) Third-level carnivores: squid

4) Second-level carnivores: larger fish

3) First-level carnivores: juvenile stages of fish, jellyfish, crustaceans, and sea stars

2) Herbivore: zooplankton and cockles

1) Primary producers: phytoplankton and seaweed

- Sun provides energy to producers

What is lost to the environment at each of the trophic levels of this ecosystem?

In a trophic web, 10% of a link's energy is transferred to the following link, and the other 90% dissipates to the environment as heat. The answer is heat.

The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones.

The ones placed at lower levels pass energy to the ones at the higher levels.

Organisms at each level feed on the preceding one and become food for the next one.

Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.

Any change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.

From the energy that reaches the Earth's surface, only 0.1 or 1% is absorbed by autotroph organisms.

This small percentage of energy flows through all organisms in the ecosystem -from autotrophs to heter0trophs- until it dissipates in the environment.

Only 10% of energy is transferred from one level to the next one. The remaining 90% is dissipated as heat to the environment. This assessment is called The 10% rule.

This rule states that only about 10% of the energy stored as biomass at one trophic level, ends up as biomass at the next trophic level.

The progressive reduction of energy determines the number of trophic levels (4 or 5).

Heat is lost to the environment at each of the trophic levels of this ecosystem.

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Answer:

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Cs-134 has three fewer neutrons than Cs-137. Cs is element 55, meaning these isotopes have 79 and 82 neutrons, respectively.

P-32 has one more neutron than P-31. P-32 has 17 neutrons, and P-31 has 16.

Solution:

The four types of chromosomal structural abnormalities can be grouped into the following two groups:

Balanced structural anomalies:

1. Translocations: simple or complex movement of chromosome fragments or whole chromosomes. Chromosome breaks and a part of it is attached to a different chromosome.

2. Inversion: where the chromosomal region is flipped so that it points in the opposite direction. That is, part of a chromosome breaks off at two points and the segment in between turns upside down and then rejoins the same chromosome.

Unbalanced structural anomalies:

3. Duplication: where part of a chromosome is copied. This means that a part of the chromosome is duplicated or has two copies. The result is additional chromosomal material.

4. Deletion: where part of a chromosome is removed. That is, there is DNA loss.

Sydney's uterine tube scarring, which reduced the diameter by 75%, could lead to several potential effects. One significant impact is a higher risk of ectopic pregnancy, as the reduced diameter makes it difficult for a fertilized egg to pass through and implant in the uterus.

Additionally, the scarring may hinder the movement of sperm, making it harder for the sperm to reach the egg, thus reducing her chances of conception. This may ultimately contribute to fertility issues or even infertility in severe cases.

Lastly, if the uterine tubes become partially or completely blocked due to the scarring, Sydney may experience pelvic pain or an increased likelihood of infections. Overall, the scarring in her uterine tubes may impact her reproductive health and ability to conceive.

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Bioluminescence is a form of chemiluminescence, which really is simply a chemical reaction that produces light.

It cannot be an endothermic or an exothermic reaction. It emits heatless light rather than heat. Excess energy is released into the atmosphere during an exothermic reaction, often in the form of heat. In the particular instance of bioluminescence, however, the surplus power is light.

The chemical reaction which produces bioluminescence necessitates the use of two distinct chemicals: luciferin and then either luciferase as well as photoprotein. Luciferin is really the compound that generates light. Luciferin is the substrate in a chemical reaction. This same arrangement of luciferin molecules causes the bioluminescent colour (yellow throughout fireflies, greenish in lanternfish). Some bioluminescent organisms cannot produce luciferin. Instead, it is absorbed by other organisms, as either food or as part of a symbiotic relationship.

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Springfield's nickname is "Queen City of the Ozarks" as well as "The 417" after the area code for the city. It is also known as the "Birthplace of Route 66". It is home to three universities, Missouri State University, Drury University, and Evangel University.

Explanation:

Here it is.Mark me as brainliest please if u are satisfied with this.

Summary. The linear Rna of SARS-CoV-2 is about 30,000 nucleotides long. Genetic mutations in can be found using whole genome sequencing. the genome of SARS-CoV-2.

Importantly, the SARS-genome CoV-2's size fluctuates from 29.8 kb and 29.9 kb, or its genome structure is similar to that of known CoVs; its 5′ and over two-thirds of a genome is made up of orf1ab genes that encode orf1abpolyproteins, whereas the 3′ one-third is made up of structural protein genes.

Real-time RT PCR is used to identify SARS-CoV-2; for specific assay information, see techniques. Negative outcomes do not rule out COVID-19 and shouldn't be the only factor considered when making patient treatment decisions. The clinical observations, patient information, and epidemiological data must be integrated with negative results.

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Obstructed blood flow through the liver resulting in ascites and esophageal varices is a condition known as portal hypertension.

Portal hypertension is a medical condition characterized by increased pressure in the portal venous system, which carries blood from the gastrointestinal tract, spleen, and pancreas to the liver. This increased pressure is usually caused by liver diseases, such as cirrhosis, where there is scarring and fibrosis of the liver tissue.

When blood flow through the liver is obstructed, the pressure in the portal vein rises, leading to various complications. One of the common manifestations of portal hypertension is the development of ascites, which is the accumulation of fluid in the abdominal cavity. The increased pressure causes fluid to leak out of blood vessels and accumulate in the peritoneal cavity.

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Answer:

Genetic engineering is accomplished in three basic steps.

These are

(1) The isolation of DNA fragments from a donor organism;

(2) The insertion of an isolated donor DNA fragment into a vector genome and

(3) The growth of a recombinant vector in an appropriate host.

Explanation:

Stages of genetic engineering include:

Genetic engineering is a method of modifying or manipulating the DNA of organisms to change their characteristics or create new ones. Here are the six steps of genetic engineering:

1. Identification of target gene

2. Isolation of the target gene

3. Insertion of the target gene into a vector

4. Transformation of host cells

5. Selection and screening of transformed cell

6. Verification of gene expression

Finally, the expression of the target gene is verified to ensure that it is functioning properly and producing the desired trait or characteristic in the organism.

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This behavior is known as brood parasitism, where a bird lays its eggs in the nest of another species, forcing that species to raise the young.

Brood parasitism occurs when a bird, known as the parasitic bird, lays its eggs in the nest of another bird species, the host bird. This behavior is observed in certain bird species, such as cuckoos and cowbirds.

It is an adaptation strategy to conserve energy and resources, as it eliminates the need for building and maintaining their own nests, and frees up time and energy for other activities, such as foraging and mating. Additionally, brood parasitism can also reduce the risks of predation and parasitism for the brood parasites, as they can lay their eggs in the nests of species with better defenses against these threats.

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Answer:

D. All of the above

Explanation: Research has proven that ;

A scientific law is the description of an observed phenomenon but It doesn't explain why the phenomenon exists( or what causes it.)

Answer:b

Explanation:

Answer:

Feedback loop

Explanation:

A feedback loop is a process in which the body tends to return to homeostasis if it deviates from normal conditions.

A feedback loop consists o three components a receptor, a control center and an effector.

There are two types of feedback loops namely, positive feedback loop and negative feedback loop.

In a negative feedback loop, the effect of the stimulus is to shut off the original stimulus or reduce its intensity, while in positive feedback loop, intensifies a change in the body's physiological condition.

The correct option is Light reflects off the object and reaches our eyes.

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If a child is being created through the fusion of a normal egg with a sperm under laboratory conditions then there will be a potential risk in the child's risk of genetic abnormalities and mitochondrial DNA.

Fertilization is a process which involves the fusion of an eff along with a sperm inside the human body and this process results in the formation of a zygote which eventually gives rise to an organism. However, if this is done under lab conditions, it can lead to some issues.

The child can have a different mitochondrial DNA profile than a child who is conceived naturally by fertilization and this can have serious implications in the child's health. The child can also have a higher risk of having certain genetic abnormalities.

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The consequences of oxygenic photosynthesis are to produce carbohydrates, light energy transfers electrons from water (H2O) taken up by plant roots to CO2.

Oxygenic photosynthesis is defined as a non-cyclic photosynthetic electron chain in which water serves as the initial electron donor and, as a result, molecular oxygen is liberated as a byproduct.

An oxygenic photosynthesis is defined as the phototrophic process in which light energy is captured and converted to ATP without oxygen production.

Thus, the  consequences of oxygenic photosynthesis are to produce carbohydrates, light energy transfers electrons from water (H2O) taken up by plant roots to CO2.

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