What are two examples of decomposers that break down animal skin?

Answer:

When handling isopropyl alcohol in a work environment (to best to avoid any contact with skin) protective clothing should be always be worn, including safety gloves and goggles. The area should also be well-ventilated and have a wash station nearby

The location on Earth that has the least amount of seasonal variation is the Equator (a), because of the smaller changes in solar irradiation.

The purpose of the part of the male reproductive system that is highlighted below is: Transfers sperm cells to the urethra (option A).

Reproductive system is a system of organs within an organism which work together for the purpose of reproduction.

In the male reproductive system, the following organs are involved;

The vas deferens is the duct in the testicle that carries semen from the epididymis to the ejaculatory duct. The labelled structure in this diagram is the vas deferens.

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Answer:

red blood cells, white blood cells and platelets.

Explanation:

red blood cells carry oxygen, white blood cells ward off infection and platelets helps blood to clot

The inner ear is a complex structure responsible for the detection and transmission of sound and the maintenance of balance. It consists of several parts, each with a unique function. The following are parts of the inner ear:

1. Cochlea: The cochlea is a spiral-shaped, fluid-filled structure located in the inner ear. It is responsible for converting sound vibrations into electrical signals that can be interpreted by the brain. The cochlea contains hair cells that are vital for auditory perception.

2. Semicircular Canals: The inner ear contains three semicircular canals, known as the anterior, posterior, and lateral canals. These canals are responsible for detecting rotational movements of the head and contribute to our sense of balance. They are filled with fluid and contain hair cells that detect the movement of the fluid.

3. Lateral Canal: The lateral canal, also known as the horizontal canal, is one of the semicircular canals. It is oriented horizontally and detects movements of the head in a side-to-side direction.

4. Auricle: The auricle, also referred to as the pinna, is the external part of the ear that is visible on the side of the head. While the auricle is not technically part of the inner ear, it plays a role in collecting sound waves and directing them towards the ear canal.

The auditory canal, also known as the ear canal, is not part of the inner ear. It is the passageway that leads from the outer ear to the middle ear, allowing sound waves to reach the eardrum.

In summary, the parts of the inner ear include the cochlea, semicircular canals (including the lateral canal), and the auricle (though it is not technically part of the inner ear). The auditory canal, on the other hand, is part of the outer ear and leads to the middle ear.

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Answer:

sporopollenin

While the exine is composed of sporopollenin, a complex and highly resistant biopolymer containing fatty acids, phenylpropanoids, phenolics and carotenoids, the intine is largely composed of pectin and cellulose.

Explanation:

Answer:

kill many individuals before they can reproduce

No, it would you be able to extract and view DNA from your cheek cells if the order of the procedure changed.

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins.

DNA is a complex, long-chained molecule that contains the genetic blueprint for building and maintaining all living organisms. Found in nearly all cells, DNA carries the instructions needed to create proteins.

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Answer:

1) large amounts of oxygen

Answer:

The presence of inorganic molecules

Explanation:

Early earth had many inorganic molecules in it's atmosphere.

It also had a very low amount of oxygen at first.

There were high levels of ultraviolet radiation due to the absence of the atmosphere.

The nutrient which provide more energy is C. Lipids

Among the given options, lipids provide the most energy per unit mass. Lipids, also known as fats, are a concentrated source of energy in the diet. When metabolized, lipids yield approximately 9 kilocalories (kcal) of energy per gram.

Carbohydrates, including sugars and starches, provide approximately 4 kcal of energy per gram. They are a readily available source of energy for the body, particularly for short-term energy needs. Proteins also provide approximately 4 kcal of energy per gram. However, their primary role is not as an energy source but rather as the building blocks for tissues, enzymes, and other important molecules in the body.

Vitamins, on the other hand, do not provide significant energy. They are essential for various biochemical processes in the body but do not contribute directly to energy production.

It is important to note that while lipids provide the most energy per gram, the overall balance and variety of nutrients in a diet are crucial for maintaining optimal health. Nutrient needs vary based on individual factors, such as age, sex, activity level, and overall health goals. Therefore, Option C is correct.

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Answer:

The scientist might observe that the bacteria is helpful bacteria. The scientist would develop a hypothesis that would test this theory.

Explanation:

Answer:

To break energy or food found inside the egg or seed

Explanation:

The oxygen enters the seed coat as the seed coat softens and it combines with the stored energy of the seed. During early stage, the oxygen is required but the carbon dioxide increases later as

Oxygen and carbon dioxide travels within the seed and egg to :

As the oxygen enters the seed it is absorbed by the seed coating. the seed coating becomes wet and softens due to the oxygen absorption.

The soft seed coating then combines with the energy present in the seed, during this combination/early stage between the seed coating and the energy stored in the seed the Oxygen is most effective.

Hence we can conclude that the main reason Oxygen and carbon dioxide travels within the seed and egg to ; Break the energy or food inside the egg / seed

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Answer:

A) Integral/transmembrane proteins

B)Glycoprotein

C)Glycolipid

D) cholesterol

E)Phospholipid Bilayer

Answer:

because blood is composed of RBCs, WBCs, Plasma, and platelets. It is sticky, opaque liquid, metallic taste, pH 7.35-7.45. Considered a connective tissue because it connects all of the body systems together.

Explanation:

Glucose provides plants with needed food through a process called photosynthesis. This process helps plants convert the energy they take in from sunlight into sugar to help nourish the plant. Photosynthesis occurs when carbon dioxide, water and sunlight are combined. Plants use these to form glucose and oxygen.

Answer:

A

Explanation:

Hotspots can be active volcanoes

The statement which is not true about hotspots is that Hotspots can be active volcanoes. Thus, the correct option for this question is B.

Examples of hotspots are the Hawaiian Hotspot, the Yellowstone Hotspot, the Reunion Hotspot, Iceland Hotspot. These hotspots are found in the ocean, and on continents. These regions significantly create a chain of volcanoes, as a plate moves across a relatively stationary mantle plume.

According to the context of this question, the Hawaii hotspot has created at least 129 volcanoes, so it is an example of a hotspot. These hotspots are found at the edges and somehow within the tectonic plates.

Therefore, the statement which is not true about hotspots is that Hotspots can be active volcanoes. Thus, the correct option for this question is B.

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Answer:

part 1 : 20 chromosomes to form a diploid zygote

20 + 26 = 46 ( diploid).it is called meiosis

part 2 : the flower cell (somatic cell) contains 26 chromosomes then the cell (somatic cell) within the stem of a flower would also contain 26 chromosomes. The process is called mitosis.

:)

Answer:

Saprolegnia parasitizes dying or dead fish, and has a cell wall composed of chitin, unlike the true fungi, which have cell walls composed of cellulose.

Answer:

Mispairing of DNA molecule causes the Frameshift mutations, changes in single base pair nucleotide sequence usually insertion or deletion results in these mutations. Point mutations occur when a single nucleotide is replaced with another nucleotide base.

The whole information coded in the amino acid changes due to a Mutation occurs in the sequence of DNA molecule in a frameshift mutation. The mutation occurs in the sequence of a DNA molecule.

Gene mutation Chromosomal mutation

It is a change in nucleotide sequence, in a particular gene. It is a change in several genes, in the chromosome.

Gene mutation is an only slight structural

Explanation:

hope this helps

The two forms of gene mutations that may result from mistakes in DNA replication and mutagens are point mutations and frameshift mutations. Gene mutations are minor changes that take place in a gene's nucleotide sequence.

The primary distinction between a point mutation and a frameshift mutation is that a point mutation only affects one nucleotide in a gene, whereas a frameshift mutation affects one or more nucleotides and changes the open reading frame of a specific gene. Point mutations are primarily nucleotide substitutions that result in silent, missense, or nonsense mutations. Nucleotide insertion or deletion causes frameshift mutations.

A single nucleotide in DNA may change in a point mutation. The severity of this mutation is often lower than that of a chromosomal change.

A frameshift mutation occurs when one or more nucleotides are deleted or added, changing the base sequence's reading frame.

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The number of formal assessments prescribed for learners per term in Natural Sciences and Technology is two (option B).

Formal assessment is carried out to obtain reliable records that will enable the teacher to determine a learner's overall competence in the Learning Outcomes and Assessment Standards.

Collectively over the year the formal assessment tasks should enable the teacher to make informed, valid judgments about various levels of performance and learner competence in Natural Sciences.

The number of formal assessments that should be prescribed for learners in natural science and technology is 2 per term.

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Predicting stress accumulation based on how recently an earthquake occurred is not the method that has been used to predict earthquakes. The correct option is D.

Earthquakes typically result from subsurface rock breaking unexpectedly and rapid movement along a fault.

The seismic waves that cause the ground to tremble are brought on by this quick release of energy.

When two chunks of the ground abruptly slide past one another, an earthquake results. The fault or fault plane is the area where they slide.

Erratic animal behaviour, such as fearful or puzzled pets, or birdcalls not typically heard at night, can be a clue that an earthquake is about to happen. Water levels in wells or artesian bores suddenly change.

It hasn't been possible to anticipate earthquakes by basing stress accumulation on how recently an earthquake happened.

Thus, the correct option is D.

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Answer:

O unequal success of individuals in surviving and reproducing (natural selection)

Natural selection is the process by which certain traits become more or less common in a population over time due to the differential survival and reproduction of individuals with those traits, which leads to the adaptation of species to their environment.

Most scientists concur that oxygen was likely fermenting in the oceans as a result of cyanobacterial photosynthesis so early as 3 billion years ago, even if it was missing in the atmosphere at the time.

The early Earth was insulated and kept warm at a crucial stage of its development by the greenhouse gases, water vapour, carbon dioxide, and methane. The early atmosphere, however, only included a very little amount of oxygen.

As a result, the oxygen given off by cyanobacteria changed the make-up of a earth's atmosphere, brought about the development of aerobic metabolism, it ultimately facilitated the advent of multicellularity. Oxygen is the primary component on today's Earth, which is much kinder and more beautiful than the early Earth.

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Answer:

aerobic respiration uses oxygen and the steps are: 1. glycolysis 2. Krebs cycle 3. oxidative phosphorylation

anaerobic respiration does not use oxygen and the steps are: 1. glycolysis 2. alcohol fermentation

Explanation:

I do not know the other 2

Ribosomes do not directly create mutations, but cellular mechanisms such as DNA repair and checkpoints help control and minimize the occurrence of mutations.

Ribosomes themselves do not directly create mutations. Mutations, which are changes in DNA sequence, can occur due to errors during DNA replication or from external factors like radiation or certain chemicals. However, the cellular machinery, including ribosomes, plays a role in the control of mutations through various mechanisms. DNA repair mechanisms help identify and correct errors or damage in the DNA sequence, reducing the likelihood of mutations. Additionally, cellular checkpoints and regulatory processes monitor and control cell division, ensuring that accurate DNA replication and distribution occur, minimizing the inheritance of mutations to daughter cells.

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In order to spread awareness about climate change people need to actually listen. Start spreading it through school or in the community for those who are willing to listen. This causes a boomerang effect. Once people hear about it they'll spread it to others and on and on. Making a plan or speech that you can showcase to your city hall, start clubs, posters, and when possible protests. Giving examples or real life situations that could later affect our children and their children. You don't have to do it as a individual but finding that group who wants to do similar changes as you is where you'll have that power and voice. Creating that movement that'll catch everyone's attention.

Answer:

gshwuwhwb2jnene

Explanation:

bahahahahha

Answer:

if im correct then t

he cleavage is a property of minerals that deals with the exterior, which includes the smoothness and flat surface.

While the crystal habit is all about the interior arrangement of the particles that make up the mineral. The crystal habit is an interior property, where there is a specified angle and arrangement of particles of a mineral

Explanation:

The correct answer is C. The role of a centromere is to connect sister chromatids before cell division.

It is the process by which a single cell divides into two or more daughter cells. It is a fundamental process that allows living organisms to grow, develop, and repair tissues. Two types of cell division are : mitosis and meiosis. During cell division, chromosomes need to be replicated and separated into two daughter cells. The replicated chromosomes consist of two identical copies, called sister chromatids, that are held together at the centromere. The centromere is a specialized region of the chromosome where the kinetochore, a protein structure, forms and attaches to the spindle fibers that pull the sister chromatids apart during cell division.

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