How did ancient organisms change the Earth’s atmosphere?

Answer:

oceanic crust and continental crust

Explanation:

Answer:

Theres oceanic and continential

Explanation:

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Answer:

Larger organisms have the same size cells as we do. They just have many more of them.

Explanation:

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Due to their size, they contain more regular cells, which aids in the organism's functioning.

The smallest unit in biology that can sustain life on its own and makes up all living things as well as the body's tissues.

After using a very early microscope to examine a piece of cork, Robert Hooke proposed the name "cell" in 1665, derived from the Latin cella, which means "storeroom or chamber."

It is also claimed that he believed the rectangular spaces resembled some monastic cells.

The size of the cells is constant throughout all creatures. A rat's cells won't be bigger than an elephant's. Compared to the number of cells in a rat, it contains more cells. However, the cells are all the same size.

Thus, large organisms such as redwood trees and elephant large as they contain more standard size cells.

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Answer:

4

Explanation:

Answer:

What are the word options?

Explanation:

Answer:

Two plates pushed together create a convergent fault. If one plate is oceanic and the other continental, the edge of the oceanic plate will be pushed down. When two plates move away from each other they create a divergent boundary. When this happens under oceans, new ocean floor is created.

Protein synthesis is the procedure within which cells manufacture proteins. Transcription and translation are the two phases. Transcription is the process through which genetic instructions in DNA are translated to mRNA in the nucleus. It is divided into three stages: initiation, elongation, and conclusion.

Protein Synthesis and Codon Exemplification Protein synthesis is the process of making a protein from a sequence of single amino acids. TRANSCRIPTION is the initial stage of this process, which involves converting a coding section of DNA to messenger RNA (mRNA). The base pair rule is used during transcription to create mRNA from the DNA sequence, except that RNA lacks the nucleotide Thymine and instead contains Uracil. The mRNA then exits the nucleus and travels to a ribosome in the cytoplasm of the cell. A CODON is a message that is read one at a time by the ribosome bases. Each codon represents one amino acid. TRANSLATION is the process of joining together amino acids and folding them into proteins.

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The microfossils that are useful for paleotemperature determination using the oxygen isotope ratios of their shells are foraminifera.

Foraminifera are tiny marine animals that have been living for millions of years. Their shells are made up of calcium carbonate and are well-preserved in sediments. The shells of these microorganisms are widely used in paleoceanography to determine past climatic conditions. Paleoceanography is the study of the history of the oceans in the geological past using sediments and fossils. It helps us to understand how the oceans and climate have changed over time.

Paleotemperature is the measure of the temperature that existed in past geological ages. The temperature is determined by various means, including studying the growth rings of trees, ice cores, and microfossils, and others. Microfossils are microscopic fossils that are found in rocks and sediments that help in reconstructing past environmental and climatic conditions.

Oxygen isotope ratio is the measure of the relative abundance of oxygen isotopes 18O and 16O in a sample. The ratio of the two isotopes changes as a result of temperature changes. The ratio is used to reconstruct past temperature changes.

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Answer:

D.

Explanation:

She's trying to find the affect different shapes have on the distance the plane flies, not the affect different types of paper have on distance. If she were to use different paper for each plane she'd be testing two variables instead of one.

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Answer:

angle of sunlight

Explanation:

im pretty sure its this bc all the other answers greatly affect climate

Answer:

Proteins

Explanation:

These are all examples of proteins

As a protein, insulin is made up of two chains A and B each of these chains have 21 and 30 amino acids.

As a protein, haemoglobin has 4npolypeptides chains. Each of these chains have greater than 140 amino acids. The chains are attached to a heme group.

Albumin is also a protein. It's composition is about 69% of blood protein. It is made by the liver.

Maltose is a disaccharide

Answer:

Biomass

Explanation:

It is the right answer according to biology.

Answer:

C

Explanation:

Minerals, fresh water, and biosphere resources are distributed unevenly around the planet as a result of past geologic processes. ... Mineral, fresh water, ocean, biosphere, and atmosphere resources are limited, and many are not renewable or replaceable over human lifetimes.

The option (C) is correct. Certain minerals form only in specific climates, and not all climates, are the same around the world.

A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.

Moreover, the major minerals, which are used and stored in large quantities in the body, are calcium, chloride, magnesium, phosphorus, potassium, sodium, and sulfur. The trace minerals are just as vital to our health as the major minerals, but we don't need large amounts.

Therefore, economic minerals are used in a wide range of applications related to construction, manufacturing, agriculture and energy supply. Economic minerals include: Energy minerals used to produce electricity, fuel for transportation, heating for homes and offices and in the manufacture of plastics.

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Which of the following is a type of active transport?

Active Transport is the term used to describe the processes of moving materials through the cell membrane that requires the use of energy. There are three main types of Active Transport: The Sodium-Potassium pump, Exocytosis, and Endocytosis.

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The answer is option (B) they have no effect on fitness. The new proteins do not affect the fitness of offspring.

New proteins do not directly affect children's fitness, as fitness is determined by a combination of genetics, diet, and physical activity. However, new proteins can indirectly affect fitness of children through their influence on the diet.

For example, if a new protein provides an alternative to sugary or unhealthy foods, it could result in to improved nutrition and better overall fitness in children. Moreover, if the new protein is designed to increase fat, children may be less likely to overeat or snack on unhealthy foods, which can lead to improved fitness.

Therefore, the indirect effect of new proteins on children's fitness is dependent on their effects on diet and nutrition.

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The principle of cross-cutting relationships states that any geological feature that cuts across or disrupts another feature must be younger than the feature that is disrupted.

Each succeeding layer in a series of undisturbed stratified rocks is younger than the layer below it. As a result, the youngest rocks are at the top of the sequence and the oldest rocks are at the bottom.

According to the inclusions principle, all rock fragments must be older than the parent rock if they are to be included. A clast in a sedimentary rock or a xenolith in an igneous rock, for instance, must be older than the rock that contains them.

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The karyotype of an individual with trisomy 18 is represented as Edward's syndrome. It occurs due to failure of the sister chromatids to separate in mitosis.

The karyotype with trisomy 18 is a genetic disorder. It is also known as Edward's syndrome. In this disorder, a person has a third copy of the material from chromosome 18, instead of the usual 2 copies. Rarely, the extra chromosomal material may be attached to another chromosome i.e., translocation. In most cases, this chromosome is not passed down through the families.

During cell division, chromosomes do not always separate equally into daughter cells which results into one daughter cell with extra chromosome and one daughter cell with no or small stretch of chromosome. This sometimes happens in mitotic division, when the sister chromatids fail to separate out during anaphase. One daughter cell thus ends up with more chromosomes in its nucleus than the other cell.

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Answer:

Gibberellin

Explanation:

I've studied that gibberellin is a plant hormone that promotes cell elongation and division, causing the cells in the leaves to elongate and divide more, this leads to an increase in leaf size.

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The plant hormone that helps in increasing the leaf size is the phytohormone Auxin .

Plants create signalling molecules called plant hormones, which are found in low concentration. All  plant's growth and progression are regulated by plant hormones.

There are basically five types of plant hormones that are considered to be essential for plant growth . They are Auxin , Cytokinin , Gibberellin , ABA , Ethylene .

The Cytokinin and Auxin work together to enhance the development of leaf as both of the phytohormones are responsible to modulate the growth of leaf as well  as controlling the cell cycle . These hormones are considered essential for plant growth and it occur naturally at various concentrations within plants throughout the duration .

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Antibiotics are compounds capable of killing bacteria. This is biotechnology because antibiotics were first isolated from a living origin: mold. ​The correct option is D.

When the body develops a resistance to antibiotics, antibiotic resistance happens. Antibiotic abuse or overuse is what led to antibiotic resistance. When germs develop resistance to medications meant to kill them, it happens.

Because antibiotics are unable to combat bacteria, the bacteria grow and produce illnesses that can result in life-threatening infections, incapacity, or even death.

The overuse or improper use of antibiotics was somehow the cause of all antibiotic resistance. It takes place when the bacteria completely lose their ability to be killed by drugs and instead develop a resistance to them.

Therefore, the correct option is D. antibiotics were first isolated from a living origin: mold. ​

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Answer:

Ecological competition occurs when living organisms, including animals, plants, bacteria and fungi, need the same limited resources to thrive in their shared environment. An ecosystem could collapse if several species needed the same scarce resources to complete their life cycle. Competition will occur between organisms in an ecosystem when their niches overlap, they both try to use the same resource and the resource is in short supply. Animals compete for food, water and space to live. Plants compete for light, water, minerals and root space.

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Answer:

as fare as I can remember oxygen is actually a waste product that is produced at the end of a plant's photosynthesis cycle

Explanation:

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The given statement that sars-cov-2 genome replicates into the host cell is true. It is the property of the RNA dependent RNA polymerase enzyme to replicate the genome as well as carry the transcription.

The SARS-CoV is a novel coronavirus with a big, positive-sense, single-stranded RNA that is roughly 30 thousand nucleotides long and has 14 functional open reading frames (ORFs), of which 2 major ORFs make up the replicase gene, which encodes the proteins needed for viral RNA synthesis. The entire SARS-CoV-2 genome encodes a polyprotein of roughly 7096 residues, including both structural and non-structural proteins (NSPs). Two non-structural proteins, ORF1a and ORF1ab, together with structural proteins, hold the majority of the nucleotide content of the viral genome. Spike glycoprotein mediates the entrance of the coronavirus into host cells (S protein). The homotrimers of the transmembrane spike glycoproteins protrude from the viral surface. Since the spike glycoprotein is essential for coronavirus entrance, it is a desirable antiviral target. The S1 and S2 subunits are two functional subunits that make up the S protein.

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Answer:

Hydrogen bonds

Explanation:

It is important to know that the bases

AT

CG

Are bonded by hydrogen.

Answer:

Invertabrate

Explanation:

Answer:

Invertebrate

Explanation:

Answer:

there is nothing for us to explain

Explanation:

Answer:

I am not completely sure. I would say they are vestigial structures. some use them for display

Explanation:

Answer:

Vestigial Structure

Explanation:

Fibrosis can also cause lung tissue to become thickened and scarred, making it more difficult for the lungs to function properly, and affecting breathing.  Therefore, the correct option is D) fibrosis.

The permanent replacement of normal tissue by scar tissue is called fibrosis. Fibrosis is the replacement of normal tissue with scar tissue that occurs as a result of wound healing or pathological conditions such as chronic inflammation or excessive tissue injury. The excess fibrous tissue that forms scars can result in the development of fibrous tissue bands, which may impede normal function and cause significant health issues such as pulmonary fibrosis, liver cirrhosis, or cardiac fibrosis.

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The statement that best describes the use of a catalyst in a fuel cell is : ( D ) It increases reaction rate

A catalyst in a fuel cell speeds up/facilitates the rate of reaction of oxygen and hydrogen especially at the oxygen electrode of the fuel cell.

Generally catalyst is any substance that increases the rate of a chemical reaction without been used up in the process, while lowering the activation energy required to kickoff the reaction.

Hence we can conclude that the statement that best describes the use of a catalyst is that it increases the reaction rate

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Answer:

The answer is D

Explanation:

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The stain serves teh purpose of improving the visibility of the corynebacterium xerosis  organism.

The bacterium Corynebacterium xerosis can be seen using a straightforward stain. Despite the stain's potential to draw attention to the general morphology and arrangement of the bacteria, it offers no precise details regarding any standout physical stains. Instead, a straightforward stain usually employs a solitary dye to colorize the bacterial cells, making it simpler to see them under a microscope.

Simple stains are used to add contrast and improve visibility, but they don't show any distinctive physical traits or stains that are exclusive to Corynebacterium xerosis.

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The arrangement of circles taht best illustrates the relationship between the genus and species of Canis familiaris, the domestic dog is Option 1 where familiaris is a subset of Canis.

Genus and species are terms used in the scientific classification of living organisms, also known as taxonomy.

A genus is a taxonomic rank used to group together closely related species. It is a level of classification above species and below family. Organisms within the same genus share many similarities in their characteristics, such as their physical features, behavior, and genetic makeup.

A species is the basic unit of classification in biology. It is a group of organisms that share common characteristics and can interbreed to produce fertile offspring. Each species is given a unique two-part scientific name, consisting of its genus name and its species name, such as Homo sapiens for humans or Canis lupus for wolves.

Together, genus and species names form what is called a binomial or scientific name, which is used to refer to a specific organism.

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Answer:

A coffin

Explanation: