I need help, please

Answer:

it's C

Explanation:

I've just finished it

Answer: For a population to be in Hardy Weinberg, option 1, 2 , 4 and 5 are very crucial

Explanation: Hardy Weinberg principle of population (equilibrium) focuses on variation in the gene of an individual, this principle states that allele and genotype frequency in a population will remain constant if there are no disturbing factors like; Natural selection, mutation, non random mating etc.

This means that for a genotype of a population to be maintained there should be no selection of mating individuals, mutation should not occur, there should be random mating, and they should remain in the same environment.. This will ensure that individual produced in next generation looks like their parents.

Replicated chromosomes finish moving towards the poles in Anaphase stage of Mitosis.

Explanation:

The mitosis is the process of cell division producing daughter cells which are identical and has the same number of chromosomes in each as the parent cell.

There are four stages of mitosis, including, Prophase, the initial phase where the cell is being prepared for the mitosis. Next is the Metaphase, second phase, where the replication or duplication of chromosome takes place.

Third in line is the Anaphase, where the duplicated chromosome is pulled on the sides by the centrosome spindle fibres which let the chromosome move and this phase ends with the finishing of shift or move.

Then is the Telophase, fourth and the last phase, when the division has been completed with the two daughter cell out of one parent cell with identical results.

Answer:

ok

Explanation:

The following options have changed viscosity of honey

A. The temperature of honey by heating it in water

B. The consistency of honey by adding sugar to it

D. The temperature of honey by laying it out in the sun

Explanation:

: The temperature of honey by heating it in water

~Sarah Robinsen

Explanation:

three adaptations in the day would be a good sense of hearing,camoflouge and a good sense of vision

two adaptations for nocturnal animals would be an adaptation to see in the dark. another adaptation would be burrowing or a way to hide during the day as to not be caught.

Answer:

Explanation:o relative page

Answer:

Relative age

Explanation:

The way I used to think of relatives as like a family. The bottom layer is the oldest and it works it way up. Then I relate faults and things like that as well.

Answer:

Preserving the habitat of an endangered species is important to its protection. Little brown bats live in a wide range of habitats. They live in forests and mountains, and even form colonies in buildings, attics, and other artificial structures that humans could be affecting. Sadly, many bats are under severe threat from increasing human pressure. Habitat loss, climate change, roost destruction, disease, deforestation, guano mining, disturbance and persecution, and increasing numbers of wind farms are all causes of bats declining because of us.

Explanation:

I hope this helps! :}

Answer:

Preserving endangered species' habitats is crucial for their protection. Little brown bats inhabit various environments, including forests, mountains, and artificial structures. However, they face severe threats from human activities such as habitat loss, climate change, roost destruction, disease, deforestation, guano mining, disturbance, persecution, and wind farms.

Explanation:

Answer:

Slime molds, decompose decaying matter. The animal-like protists must "eat" or ingest food.

Explanation:

Slime molds, being fungus-like protists, feed on decaying organic matter by moving slowly over it and engulfing it directly when nutrients are abundant and forming a collective slug to release spores when food is scarce.

How Slime Molds Obtain Food:

Slime molds are fungus-like protists that can be found in environments such as rotting logs and compost piles, where they feed on decaying organic matter. These organisms adjust their feeding behavior based on the availability of food. When nutrients are plentiful, cellular slime molds exist as individual amoeboid cells that absorb food by phagocytosis. However, during scarce food conditions, they form a collective mass, a behavior exemplified by the dog vomit slime mold, which glides along on secretions to engulf food.

More specifically, when food resources are depleted, the independent amoeboid cells conglomerate into a slug-like structure. Within this slug, certain cells create a 2-3 millimeter stalk, sacrificing themselves in the process. Others form a fruiting body that releases haploid spores. These spores then have the opportunity to germinate in moist environments, potentially starting the cycle over again. A typical genus representing cellular slime molds is Dictyostelium, generally found in damp forest soil.

Precipitation occurs because of the water present in the atmosphere.It occurs when the water droplets fall from the sky out of the air saturated with water vapor.

Explanation:

Various forms of perception are rainfall,snow, sleet, ice pellets dew, frost, and hail.

Precipitation is less likely to occur because of

Answer:

All of the cells in the body expect red blood cells has a copy of our dna. At conception the person receives dna from both their father and their mother. We each have 23 pairs of chromosomes. Each pair one was from the father nd one from the mother. The chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited. When a sperm fertilizes an egg the embryo now contains two copies of each autosome one form father and one from the mothe

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Explanation:

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What must be true about the person labeled "A"?

A. It is a male with at least one dominant allele.

B. It is a male with two dominant alleles.

C. It is a female with at least one dominant allele.

D. It is a female with two dominant alleles.

Its a male with atleast one dominant allele.

Option A.

The gene for the attached earlobe is recessive while the gene for the free earlobes is dominant. In the phylogenetic tree, we can see that both the father and mother aren't having attached earlobes. So both of them are having atleast one dominant allele which makes them have free earlobe.

In the F1 offsprings, one of the female and a male is having free earlobes. So both of them have atleast one dominant allele. The 2nd female is having an attached earlobe. So both the recessive allele have come form one parent each. So both of them are heterozygous.

Thus, the male marked as A atleast have one dominant allele. He can be a homozygous dominant, but the probability is 25%.

Answer:

tempature

weather

strartophere

decreases

increases

Explanation:

bc i got it right

Answer: True

Explanation:

The term scientists use when comparing the properties of solids, liquids, and gases is States of Matter. These states are characterized by different properties such as shape and volume, and molecule behavior.

The term scientists use when comparing the properties of solids, liquids and gases is called States of Matter. These three states are the most common and are characterized by different properties. Solids have a definite shape and volume, liquids only have a definite volume, and gases have no definite shape or volume. Their molecules behave differently, which accounts for their different physical properties. For example, in a solid, the molecules are tightly packed together and vibrate around a fixed point, while in a gas, the molecules have more freedom and move around at high speeds.

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Answer:

Methionine, Glutamic Acid, Serine, Arginine, STOP

Explanation:

The correct answer is Methionine, Glutamic Acid, Serine, Arginine, STOP.

The amino acids coded in the piece of mRNA are Methionine, Glutamic Acid, Serine, and Arginine.

AUG - Methionine

GAA -Glutamic Acid

UCU -Serine

AGG - Arginine

UAG- STOP

The genetic code is hard and fast of three-letter mixtures of nucleotides known as codons, every of which corresponds to a particular amino acid or forestall signal. The idea of codons changed into first defined through Francis Crick and his colleagues in 1961.

Thus concluded that A piece of mRNA has the code AUG GAA UCU AGG UAG has Methionine, Glycine, Serine, Aspartic Acid, STOP

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A silent mutation is a change in the DNA sequence that does not alter the amino acid sequence of a protein, maintaining the protein's functionality. This occurs due to the genetic code's redundancy, where various codons can encode the same amino acid. These mutations are undetectable without genetic sequencing.

A silent mutation occurs when a change in the nucleotide sequence of DNA results in a new codon, but that codon still encodes the same amino acid. This redundancy in the genetic code allows for such mutations to be "silent," as they do not alter the amino acid sequence of the protein being produced. Hence, the mutation is considered silent in the sense that it has no observable effect on the protein's function or the organism's phenotype.

Because most amino acids are encoded by multiple codons, a change, particularly in the third base of a codon, often does not change the encoded amino acid. For instance, if the TCT codon for serine is mutated to TCC, TCA, or TCG, serine is still encoded, making the mutation silent. Such mutations are only detectable through sequencing of the gene or its mRNA, as they cause no change in the protein product.

Population is the term that defines groups of individuals that belong to the same species and live in the same area

Explanation:

In an ecological system, when a group of species of living organisms group and live in a particular locality area, it is referred to the population of that species.

Within an ecological boundary, there can be more than one type of population living in an area and all these different types of the population are interdependent with each other.

Within a population of a species, the individuals of the species interbreed, reproduce, grow and survive among themselves.

Yes, having the Safety Data Sheets (SDS) located on a computer in the employer's office can comply with OSHA requirements as long as employees have easy and immediate access to the information during their work shift.

Under the Occupational Safety and Health Administration (OSHA) guidelines, employers have the responsibility to provide their workers with a safe workplace that has no serious hazards, and to inform workers about chemical hazards through training and methods like chemical information sheets and Safety Data Sheets (SDS). An SDS is a detailed document that provides information about handling, storing, and disposing of chemicals safely. If these SDSs are located on a computer in the employer's office, it can comply with OSHA's requirements, provided that employees have easy, immediate access during their work shift. This access should not be hindered by barriers such as locked doors or needing special permissions, which could delay the retrieval of vital safety information.

The SDS must be readily available and not just during an emergency; workers should also be trained on how to access and interpret the information. The aim is to ensure that every employee comprehends the safety and health hazards of the chemicals and processes they work with to protect themselves, their colleagues, and the surrounding community. Hence, while having SDS on a computer is acceptable, the ease of access and proper training on its use are both critical compliance aspects.

Employers must provide safety data sheets to employees to ensure workplace safety and compliance with OSHA standards in order to fulfill his responsibilities as an employer.

Employers have certain responsibilities under the Occupational Safety and Health Administration (OSHA) to ensure a safe working environment. One of these responsibilities is to inform workers about chemical hazards. This can be done through various methods including training, labels, and providing access to Safety Data Sheets (SDS). According to OSHA requirements, an employer is supposed to make SDS readily available to employees when they are in their work area(s). Therefore, having the sheets only on a computer in the employer's office does not seem to comply unless workers have immediate and unimpeded access to that computer at all times during their work shift.

Safety Data Sheets contain critical information on handling chemicals safely, potential dangers, and procedures for emergencies. Employers must also provide adequate training in understanding and using these data sheets effectively. This all forms part of an employer's obligation to minimize health risks in the workplace, which includes making employees aware of hazards and ensuring they understand the risks associated with their job, particularly when working with hazardous materials.

Answer:

A

Explanation:

Water near the equator is warmer because of direct sunlight. Water near the poles is cold and dense. Warm water moves toward the poles and cold water moves toward the equator.

(Just took the test if this helps)

Water near the equator is warmer because of direct sunlight. Water near the poles is cold and dense. Warm water moves toward the poles and cold water moves toward the equator. Option (A) is correct.

Heat is transferred by convection, which is the large-scale movement of molecules inside gases and liquids. Conduction is used to move heat from the object to the fluid initially, but fluid motion is responsible for the bulk of the heat transfer.

Convection is an important phenomenon that aids in temperature circulation and lessens abrupt temperature changes by redistributing energy from hotter to colder regions of the Earth.

In our weather, convection throughout the atmosphere is frequently seen. As the Earth's surface warms from the sun, for instance, the air above it warms and rises. If the circumstances permit, this air may continue to climb while cooling and generating cumulus clouds.

Therefore, Option (A) is correct regarding flow of heat.

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Answer:

Explanation:The content of a vaccine includes; antigens,stabilizes,antibiotics, adjuvants,preservatives and also residual by products from

the production process

Answer:

B. Vaporizing

Explanation:

Answer:

there is an association between the number of mitochondria in muscle cells and energy production

Explanation:

Mitochondria generate energy by generating adenosine triphosphate (ATP), which is referred to as the "molecular unit of currency" of the cell since this molecule provides energy for diverse cellular processes

The most appropriate and correct answers to complete each paragraph respectively are:

1. An atom refers to the smallest, indivisible unit made up of matter and forms all chemical elements.  

This ultimately implies that, the fundamental building blocks of matter are called: atoms.

2. A substance that is made up of the same kind of atoms is called an: element. Some examples of an element are:

3. Unstable elements lose particles because their nucleus have an excess of internal energy (neutron or proton). Thus, this makes them radioactive.

Some examples of an unstable element are:

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Answer:

✔ atoms

✔ element

✔ Unstable

✔ radioactive

Explanation:

I got it right on my assignment

Answer:

there are many causes to why a person drowns but the most common reasons are an inability to swim,  panic in the water,  leaving children unattended near bodies of water,   falling through thin ice, and  alcohol consumption while swimming or on a boat.

Explanation:

Answer:

This answer is in my own words.

The other is from Plato.

Explanation:

Own Words: It first was thought that archaea and eukaryotes were closer than bacteria and eukaryotes. In present day we now have proof that archaea and bacteria helped form complex cells.

Plato answer: It was originally thought that archaea and eukaryotes were more closely related than bacteria and eukaryotes. However, evidence now supports the fact that both archaea and bacteria were responsible for the formation of more complex cells.

The velocity of a stream is influenced by the stream gradient, sediment size, discharge volume, channel geometry, and obstructions or channel roughness, which all contribute to the stream's overall flow characteristics.

Factors Determining the Velocity of a Stream

Several factors contribute to the velocity of a stream, which is the speed at which water moves through a cross-section of the stream. Here are five key factors:

Stream Gradient: The slope or steepness of the stream's course affects velocity. A steeper gradient generally leads to a faster flowing stream.

Sediment Size: Large sediments on the stream bed offer more resistance compared to smaller particles, thus affecting the stream's velocity.

Discharge Volume: The amount of water passing through the stream also impacts its velocity. More discharge typically means higher velocity.

Channel Shape and Size: The geometry of the stream channel influences how water flows, with narrower or shallower channels often leading to faster flows.

Obstructions and Channel Roughness: Presence of vegetation, rocks, and variations in channel smoothness create friction, altering the velocity.

Different aspects such as ground-water movement, stream erosion, and deposition also play a role in water flow dynamics. Understanding these variables is essential for managing water resources and studying ecological systems.

Explanation:

Using a filtering method for the isolation of bacteria, Ivanovsky discovered that filtered sap from diseased plants could transfer the infection to healthy plants. Further researches led Ivanovsky to conclude that the causal agent was an exceedingly small parasitic microorganism that was invisible even under great magnification and that could permeate porcelain filters designed to trap ordinary bacteria.

Final answer:

Dmitri Ivanovski's experiment in 1892 crucially demonstrated that the infectious agent causing tobacco mosaic disease could pass through filters that trapped bacteria, leading to the foundation of virology and the subsequent identification of viruses.

Explanation:

The experiment conducted by Dmitri Ivanovski in 1892 marks a significant milestone in the field of virology. In his groundbreaking experiment, Ivanovski worked on the tobacco mosaic disease, previously believed to be caused by bacteria. He observed that the infectious agent could pass through a porcelain filter designed to trap bacteria. To his surprise, when he applied the filtered sap to healthy tobacco plants, they too became infected. This led Ivanovski to conclude that the agent causing the disease was smaller than bacteria and not visible under the microscope. His work laid the foundation for the discovery of viruses, although he did not identify the infectious agent as a non-living particle, which is how viruses are now classified.

Answer:

The correct option is C) Energy

Explanation:

Energy can be described as the source which is required by every living matter to move and for various metabolic processes. Energy can change from one form to another depending on the metabolic activities which occur on an organism.

Energy is introduced in the environment when photosynthetic organisms make food by using light energy from the sun. The light energy is converted into the bonds present in the glucose molecules. When consumers eat the plants they convert this energy into ATP for carrying out various metabolic processes.

Answer:

d. A

Explanation:

you can determine allales by either recesive (lowercase) or dominant ( uppercase)

Answer: d). A

Explanation: Alleles occur either as recessive or dominant genes. Recessive genes are usually written in lower case while dominant genes are usually written in upper case. for instance, the dominant gene for tallness can be written as T.