Plz help I need help

Answer:

The only organism that doesn't eat prey is prob scavengers, because scavengers eat dead organisms, so I don't rlly think dead organisms are preys :3

Explanation:

:3

Gamates are produced as a result of meiosis

In humans, the products of meiosis are sperm or egg cells ( gamates )

Meiosis is a type of cell division which involves the formation of egg and sperm cells.

In se-xually reproducing organisms, body cells are diploid, meaning they contain two sets of chromosomes. During meiosis, diploid cells undergo DNA replication, followed by two rounds of cell division, producing four haploid s -ex cells.

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Answer:D

Explanation:

100% of the offspring will be homozygous round in this cross.

What is a homozygous?

A homozygous round is an organism that has two identical copies (alleles) of a particular gene that codes for the trait "round." This means the organism will always express the round trait, regardless of the environment or the presence of other alleles.

This is because the round pea plant that is heterozygous still carries two copies of the round gene. When it is crossed with a homozygous round pea plant, all of the offspring will have two copies of the round gene, making them homozygous round.

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Lyosome is an organelle that contains enzymes that breakdown and digest unneeded cellular components, such as damaged organelles.

In controlled experiments the researcher controls the variables involved in the experiment to only observe the interaction between the independent and the dependent ones. Option A) Perform a controlled experiment by increasing and decreasing water temperature and measuring changes in oxygen levels.

The controlled experiment is the one in which the researcher controls all the variables to only observe the interaction between the ones of interest.

In these experiments, the researcher changes voluntarily the state or values of the independent variable to analyze how these changes affect or influence the response of the dependent variable.

All the other variables in the experiment remain constant so they do not affect the results.

In the exposed example, the reseacher wants to know is the change in the water temperature caused the oxygen level to change.

The scientist can voluntarily change temperature and see how oxigen responds to these changes. This is a controlled experiment.

Option A) Perform a controlled experiment by increasing and decreasing water temperature and measuring changes in oxygen levels.

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A Codon is a three letter unit that codes for Amino Acids.There are 64 codons coding for 20 different Aminoacids.

A codon is a trinucleotide sequence in mRNA that codes for Amino acids in a protein.codons are nearly universal in nature more than a codon can be there for same Aminoacid this is called degeneracy.three codons UAA, UAG, UGA are called stop codons.There are 64 different codons: 61 specify amino acids and 3 are used as stop signals.The AUG codon or start codon, is for methionine and it is found at the beginning of every mRNA and indicates the start of a protein.Each codon specifies a single amino acid in a protein.Transcription and translation are processes a cell uses to make all proteins also called Gene expression.

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Answer:

The correct answer is - dynamic and trophic.

Explanation:

A/an dynamic system is linked to lows of energy and cycles of nutrients link the biotic and abiotic components of ecosystems that structure the feeding relationships, or trophic structure of organisms that inhabit them. The trophic structure is the position of the organism in the ecosystem and food chain.

The correct answer is - dynamic and trophic.

Answer:

The Earth rotates from the west to east.  The Sun does not rotate around the Earth, in Thirty minutes. the sun would appear to be in a different part of the sky, and  that is because of the Earth's rotation.

Explanation:

Answer:

The sun is seen in a different part of the sky, but this is due to the rotation of the Earth. The intensity of light and heat changes as the Earth rotates. The speed of the sun changes the angle of the sky in 30 minutes, it is always moving from east to west, so in 30 minutes it will move further west, no matter what time you experiment.

I hope this helps!

The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.

In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:

1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.

2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.

By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.

These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.

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Answer:

cellulose

Explanation:

Answer:

True

Explanation:

Kinetic energy is the energy of mass in motion. The kinetic energy of an object is the energy it has because of its motion.

Answer: the answer is true

Worms help the soil by breaking down organic debris, so if plants are planted in it, they will grow strong and healthy. Worms do this by supplying the soil with the nutrients it needs.

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Antibiotics were accidentally created. It was created then to kill the bacteria present inside the body, and they affect the health of the body.

Antibiotics are antibacterial medication that is used to cure diseases caused by bacteria. They were first created by Alexander Fleming. It was a powerful discovery that is done to kill bacteria.

Antibiotics were proved to be very useful to prevent infection and death from infections.

Thus, inadvertently, antibiotics were developed. At the time, it was developed to eradicate the germs that reside inside the body and compromise bodily health.

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From the list provided, steps in the inquiry process are: B. Prediction and D. Observation. The others do not strictly belong to the inquiry process.

Answer:

50% G+C will have a higher Tm

Explanation:

The Temperature of Melting (Tm) refers to the temperature at which 50% of double-stranded DNA (dsDNA) is changed to single-standard DNA (ssDNA). In the double helix of DNA, Adenine bases always pair with Thymine bases through two hydrogen bonds, whereas Guanine bases always pair with Cytosine bases through three hydrogen bonds. In consequence, a DNA molecule containing a higher GC content is more stable than another DNA molecule containing a lower GC content. The Tm can be calculated as follows = 2 °C(A + T) + 4 °C(G + C) = °C Tm (this equation is useful for oligonucleotides of 14 to 20 base-length).

Answer:

100%

ratio is 40:0

Explanation:

you form a diagram of 1.PP and 2.pp and start to cross the first capital P with the first small p until u cross all of them ,NB u each p should be crossed twice

Answer:

Stress forces push, pull, or twist the rocks in Earth’s surface.

Explanation:

The strategies that include in poster are Respect, Collaboration, Listening and Kindness where learners can create a safe and welcoming environment that celebrates diversity and promotes inclusion.

As a teacher, it is important to promote inclusion in the classroom and create a safe and welcoming environment for all learners. To achieve this, a poster titled “INCLUSION IN OUR CLASSROOMS” can be designed to raise awareness among learners. The poster can be designed with bright colors, images, and fonts to make it attractive and eye-catching.

Four strategies that can be included in the poster are:

Respect: Encourage learners to respect each other's differences and backgrounds. This means not making fun of others for being different and accepting everyone for who they are.

Collaboration: Encourage learners to work together and support each other. This means helping each other with schoolwork and projects, and not leaving anyone out.

Listening: Encourage learners to listen to each other's opinions and ideas. This means being open-minded and respectful of other people's views.

Kindness: Encourage learners to be kind to one another. This means being friendly, helpful, and considerate of others.

For each strategy, learners should be encouraged to behave in a specific way. For example, for the strategy of respect, learners can be encouraged to behave by avoiding negative comments and treating each other with kindness and respect. For collaboration, learners can be encouraged to work together in groups and share their ideas. For listening, learners can be encouraged to pay attention to each other and ask questions to understand each other better. Finally, for kindness, learners can be encouraged to show acts of kindness towards each other, such as helping each other with schoolwork or simply being friendly.

In conclusion, promoting inclusion in the classroom is vital for creating a positive and supportive learning environment. The "INCLUSION IN OUR CLASSROOMS" poster can serve as a reminder for learners to respect, collaborate, listen and be kind to each other. By following these strategies, learners can create a safe and welcoming environment that celebrates diversity and promotes inclusion.

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Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.

Women and noblemen,

Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.

Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.

Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.

Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.

In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.

Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.

To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.

In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.

In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.

Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.

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Here's how you can categorize the terms:

Advantage:

Abundant

Disadvantage:

Reacts with other elements.

Easier to crush.

It should be noted that "harder to crush" is not a disadvantage, as it implies durability and strength, which can be seen as an advantage.

The pattern of evolution being described here is convergent evolution, where two unrelated species develop similar characteristics due to their adaptation to similar environments or ecological niches.

Evolution is the process of change in the inherited characteristics of biological populations over successive generations. This can occur through natural selection, genetic drift, gene flow, and mutation, and can lead to the emergence of new species over time.

Evolution is driven by various factors, including environmental changes, genetic variation, and reproductive success. It is a fundamental concept in biology and provides the framework for understanding the diversity of life on Earth.

Convergent evolution, is where two unrelated species develop similar characteristics due to their adaptation to similar environments or ecological niches.

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Answer: yup. That, and water or air.

Explanation:

Answer:

Thylakoid membrane

Explanation:

There are three "layers" of a chloroplast. The inner layer, the outer layer and the Thylakoid membrane is the third and internal membrane system.

I hope this helped!

Answer:

Explanation:

1. Collect cheek cells

2. Burst cells open to release DNA

3. Isolate concentrated DNA

4. Separate DNA from proteins and debris

Answer:

Hyperventilating can only increase a person's oxygen levels in the body by only three to five percent because the body has a natural mechanism to regulate the levels of oxygen and carbon dioxide in the blood. When a person hyperventilates, they exhale more carbon dioxide than they inhale, which leads to a decrease in carbon dioxide in the blood. This decrease in carbon dioxide causes the blood vessels to constrict, which reduces the amount of oxygen that can be delivered to the body's tissues. This is why hyperventilating can only increase a person's oxygen levels in the body by a small amount.

Column A                         Column B

1. Amoeba:                        Not distinct shape

2. Paramecium:                Cilia for locomotion, Endocytosis and exocytosis, Food into gullet via cilia, each daughter cell has one or two flagella

3. Euglena:                       Flagella for locomotion, Light sensitive eyespot, Macronucleus and micronucleus, Consumer or producer

4. Volvox:                         Colonial form, Photosynthetic colony

Amoeba: They are unicellular and exhibit the phenomenon of pseudopodia (false feet) for both food intake and movement. They lack a definite shape, and their body structure is flexible.

Paramecium: They are unicellular and have a fixed shape. They move using cilia and possess a primitive mouth, called a cytostome, which leads to a gullet, where food is ingested and digested.

Euglena: They are unicellular and have a characteristic shape, with a flagellum that helps them move. They have a red pigment, called an eyespot, that is sensitive to light and allows them to locate light for photosynthesis. They can be both heterotrophic or autotrophic.

Volvox: They are colonial green algae, with individual cells living together in a spherical colony. They are photosynthetic and move using flagella. Each cell in the colony has two flagella, one for movement and one for directing the colony's movement towards light sources.

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Answer:

They are the same species.

Explanation:

Full question: How come some similar animals are different species, while with domestic dogs, wildly dissimilar types are considered different breeds?

-- Z. Kornberg, Jerusalem

Michael Bruford, a professor of biological sciences at Cardiff University in Wales, explains the thought process behind this seeming double standard.

Scientists have been distinguishing between species on the basis of how they look, behave or live since recorded history began. However, two famous scientists stand out in terms of how we perceive species differences today: Carl Linnaeus, an 18th-century Swedish naturalist, and Charles Darwin. Linnaeus was the first person to formulate a single approach for describing species in a hierarchical manner according to their similarity, using his binomial nomenclature of genus followed by species (Homo sapiens, for instance). Darwin was among the first people, and certainly the most celebrated among them, to develop a credible theory on how species evolve (via natural selection). Both of these scientists' insights underpin most of what modern science utilizes when studying species and speciation.

Currently species are still primarily distinguished by their appearance, but it is becoming very clear that looks don't always tell us all we need to know about whether two organisms are different. Many so-called cryptic species exist that, to the untrained eye, look very similar or even identical to another organism--commonly found, for example, in nocturnal mammals such as bats and bush babies. If the two mated, however, they may never be able to produce viable offspring; this, in fact, is the primary criterion for dividing similar organisms into different species. Because of these red herrings--and also because the process of describing species is very long and labor-intensive--scientists are increasingly turning to DNA to assist them in identifying and describing species.

Hello!

\(\large\boxed{F = 100N}\)

Use the equation F = m · a (Newton's Second Law) to solve:

We are given the mass and acceleration, so plug these values into the equation:

F = 0.05 · 2000

F = 100 N