The fossil remains of an ancient plant are present in a rock as shown below. the rock is most likely: igneous metamorphic crystallized sedimentary

If the amount of fertilizer applied to plants is increased, then plant growth will increase.

Since out here the independent variable is the variable that's being controlled or changed on reason by the experimenter, It can moreover be thought of as the cause is the fertilizer and the dependent variable is which is the one dependent on the independent variable is the growth of the plant. Here the hypothesis for an observable phenomenon is a proposed explanation or a theory to be utilized in science, one must be able to test it within the frame of a test.  A logical examination is planned to test this hypothesis. Here the Hypothesis is that  If the amount of fertilizer applied to plants is increased, then plant growth  will increase.

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The pyloric sphincter at the base of the stomach regulates the passage of food from there into the small intestine.

The pylorus muscles thicken in pyloric stenosis, preventing food from passing into the infant's small intestine. Pyloric stenosis, an uncommon condition in newborns, prevents food from entering the small intestine.

The pyloric sphincter opens when stomach acidity is higher, and it instantly closes as stomach acidity increases and the acidic contents migrate into the duodenum. 5. Chyme is also ejected into the duodenum as a result of increased osmotic pressure in the stomach.

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Answer:

gain there electrons that they didn't have before

Answer:Causes for food security

Unemployment can also negatively affect a household's food security status. High unemployment rates among low-income populations make it more difficult to meet basic household food needs.

Food Insecurity

Economic Stability.

Education.

Health and Health Care.

Neighborhood and Built Environment.

Social and Community Context.

Explanation: i DIO! would like brainly for this answer

Answer:

A: Dengue fever in a small African town

Explanation:

The term that refers to the main branches from the trachea into each lung is bronch/o. The correct option is A.

The bronchial tree is the branching network of airways within the respiratory system. It starts with the trachea, which is the main airway that connects the throat to the lungs. The trachea then divides into two main bronchi, one for each lung. These main bronchi are also known as primary bronchi. Each primary bronchus further divides into smaller bronchi, which then branch into even smaller bronchioles.

The term "bronch/o" specifically refers to the main branches from the trachea into each lung. It encompasses the primary bronchi and their subsequent divisions within the lungs. These bronchi are responsible for conducting air into the lungs, delivering oxygen to the alveoli (small air sacs in the lungs) for gas exchange.

The other options provided in the question are:

B. bronchiol/o: This term refers to the smaller branches of the bronchial tree, specifically the bronchioles, which are narrower and have thinner walls compared to the bronchi.

C. laryng/o: This term pertains to the larynx, also known as the voice box, which is located at the top of the trachea.

D. pharyng/o: This term relates to the pharynx, which is the throat region connecting the nasal and oral cavities to the larynx and esophagus.

E. trache/o: This term refers to the trachea, which is the main airway that connects the throat to the lungs.

In summary, the main branches from the trachea into each lung are referred to as bronch/o. It is important to distinguish between bronchi and bronchioles, as they represent different levels of branching within the respiratory system. Therefore, the correct option is A.

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The age of the fossil can be estimated using radiocarbon dating. If fossil has a 14C level of 69.0 compared to living organisms, it is approximately 5,730 years old, as that is the half-life of carbon-14.

Organisms are living entities that exhibit various characteristics of life. They can be found in diverse forms, ranging from microscopic single-celled organisms to complex multicellular organisms like plants, animals, and fungi. Organisms possess organized structures, carry out metabolic processes, respond to stimuli, reproduce, and maintain homeostasis. They can occupy different ecological niches and interact with other organisms and their environment. Organisms are part of ecosystems, contributing to the biodiversity and functioning of the natural world. The study of organisms is a fundamental aspect of biology and provides insights into the complexities of life on Earth.

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Answer:

mid range on the mountin or above the water depending on the humidity

Explanation:

Answer:

Clouds are likely to form as air moves up over a mountain because air cools as it rises and clouds are likely to form as air cools. In the diagram below, warm air is moving over a lake and upward along the side of a mountain. ... Clouds do not form in air that does not already have clouds.

Explanation:

Answer:

c. Capillaries

Explanation: is correct/ post protected

Furthermore, expressing only a fraction of genes in each cell saves room because DNA must be unwound from its closely coiled structure to be expressed. Modern cells are more challenging to research because they have more organelles and other components than primordial cells, which have a limited number of organelles.

There are two fundamental principles of modern cell theory: All cells are derived solely from other cells (the principle of biogenesis). Cells are the basic building blocks of creatures. These principles are now central to our comprehension of existence on Earth. Many experts collaborated to develop contemporary cell theory. In 1665, the English scientist Robert Hooke coined the word "cells" to characterize tiny chambers within cork that he witnessed under a microscope.Furthermore, expressing only a fraction of genes in each cell saves room. Hooke compared narrow pieces of cork to "Honey-comb" or "small Boxes or Bladders of Air." Since the development of classical cell theory, technology has advanced, allowing for more precise observations that have resulted in novel cell finds. They're broken—teaches us about the cellular mechanisms that keep us healthy. It also reveals novel approaches to illness treatment.

As a result of the increased number of organelles in contemporary cells, we can infer that they are more challenging to research than primordial cells.

A model that represents a process occurring in a cell is known as a cellular model.

It is a representation of a biological cell, and can be used to study various cellular processes and structures.

Cellular models are commonly used in biological research to gain a better understanding of how cells work and how they are affected by different factors.

There are several different types of cellular models, including cell culture models, organoid models, and tissue engineering models.

Each type of model has its own unique advantages and disadvantages, and the choice of model depends on the specific research question being addressed.

Overall, cellular models are an important tool for understanding the complex processes that occur within cells and for developing new treatments for diseases that affect cellular function.

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Answer:

Defined: the sweet and fleshy product of a tree or other plant that contains seed and can be eaten as food.

These fruits, including the seeds, are eaten by animals who then disperse the seeds when they defecate

Explanation:

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Brown and Goldstein discovered the mechanism of cholesterol uptake by studying fibroblasts from children with familial hypercholesterolemia (option b).

Brown and Goldstein discovered the mechanism of cholesterol uptake by studying fibroblasts from children with familialfamilial hypercholesterolemia.

A chromosomal 19 abnormality causes familial hypercholesterolemia. An autosomal dominant genetic condition known as familial hypercholesterolemia is caused by a mutation in the LDL receptor (LDLR) gene, which is more frequently the cause than the gene for its ligand, apolipoprotein B 100. (APOB).

LDLR, APOB, and PCSK9 gene mutations, which have an impact on how your body manages and eliminates cholesterol from your blood, can result in familial hypercholesterolemia (FH). One of these three genes has been shown to be mutated in about 60–80% of individuals with FH.

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Two phospholipids are positioned in the cell membrane ,the hydrophilic heads will face outward toward the cell’s exterior and inward toward the cell’s interior. The fatty acids will be tail-to-tail in the center of the membrane.

A phospholipid generally has a head and a tail. The head of the molecule has a phosphate group and is hydrophilic in nature, it is soluble in water. The tail of the molecule is made up of two fatty acids, which are hydrophobic and do not dissolve in water.

Hence, Two layers of phospholipids where the outer layer has the hydrophilic heads facing toward the outside of the cell and the inner layer have the hydrophobic tails facing toward the inside of the cell.

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Answer:

Explanation:

B. It unzips DNA's double helix by breaking the hydrogen bonds connecting nitrogenous bases.

The function of the enzyme helicase in DNA replication is to separate the two strands of DNA by breaking the hydrogen bonds between the nitrogenous bases. This process is essential for DNA replication because it creates two template strands that can be used for the synthesis of new complementary strands during DNA replication. Helicase plays a crucial role in unwinding the double helix structure of DNA and initiating the replication process.

Helicase enzyme unzips the double stranded DNA by breaking the hydrogen bonds between them. So, option (B) is correct.

DNA replication is the process in which double stranded DNA make copies of itself which are identical.

Helicase - They are the class of enzymes which catalyzes the hydrogen bonds present between the double stranded DNA. This results in the formation of the single stranded DNA which act as a template for the DNA replication. It unzips the DNA.

They also play important role in the DNA repair and recombination.

Therefore, option (B) Helicase enzyme unzips the double stranded DNA by breaking the hydrogen bonds between them is correct.

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A: Single-cell recording is the type of neurophysiological technique that would allow to assess the hypothesis in a living animal.

Single-cell recording is a neurophysiological technique that involves recording the electrical activity of a single neuron in a living animal. By recording the activity of a specific neuron while presenting the animal with stimuli of different colors, the researchers can determine whether the neuron is processing information about color.

This technique provides a high level of spatial and temporal resolution and can help to establish a causal relationship between the activity of a specific neuron and a particular sensory or perceptual experience.

"

Complete question

you have isolated a neuron in the occipital lobes that you believe is responsible for processing information about color. what type of neurophysiological technique would allow you to assess this hypothesis in a living animal? select one:

Single-cell recording

histology

Golgi stain

electrical stimulation

"

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Answer:

A. thymine (T)

Explanation:

Adenine (A) pairs with Thymine (T) as DNA pairs.

Explanation:

The species that would be least related to B. borealis (Sei Whale) would be the African Elephant (Loxodonta africana).

Some scientists might use the morphological species concept or the ecological species concept instead of the biological species concept to define some species because these concepts can be more practical or useful in certain situations. This could be due to the following reasons:

1. Morphological species concept: This concept focuses on the observable physical characteristics of an organism, such as size, shape, and structure. Scientists may choose this approach when interbreeding information is not available or when organisms reproduce asexually, making the biological species concept (based on reproductive isolation) not applicable.
2. Ecological species concept: This concept defines species based on their ecological niche, meaning their role in the ecosystem and their interaction with the environment. Scientists may opt for this concept when studying species that are closely related but occupy different ecological niches or when focusing on the adaptive significance of certain traits.
Both the morphological and ecological species concepts offer alternative perspectives that may be more relevant or practical for certain research questions or organism types, compared to the biological species concept.

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Answer:

B. Stratosphere

Photosynthesis is a process used by plants, algae, and some bacteria to produce glucose, which is a type of sugar.

In this process, they use energy from sunlight, carbon dioxide (CO2) from the air, and water (H2O) to produce glucose (C6H12O6) and oxygen (O2).

The photosynthesis process takes place in the chloroplasts of plant cells, which contain chlorophyll, a green pigment that absorbs light energy.

The energy absorbed by the chlorophyll is used to convert carbon dioxide and water into glucose and oxygen.

Photosynthesis can be divided into two main stages: the light-dependent reactions and the light-independent reactions.

During the light-dependent reactions, the absorbed light energy is used to produce ATP, a molecule that provides energy for the light-independent reactions.

Oxygen is also produced during this stage.

During the light-independent reactions, the energy stored in ATP is used to convert carbon dioxide into glucose.

This stage does not require light, but it is dependent on the products of the light-dependent reactions.

In summary, photosynthesis is a process used by plants, algae, and some bacteria to produce glucose and oxygen from carbon dioxide, water, and sunlight.

This process is essential for the survival of plants and is also important for the production of oxygen in the atmosphere.

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The degree in which a star appears to move in one hour is 15° and is denoted as option C.

This is referred to as the circular movement of an object around a central axis such as that of the earth which rotates on its axis once a day.

Since the earth rotation takes about  23 hours and 56 minutes and is at an angle of  361° then we can calculate the per hour by the following below:

Since 24 hours = 1 day

Then 361°/24 = 15° then the number of degrees will a star have appeared to move in one hour.

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Answer:.

Explanation:

Subsistence use can be helpful to the ecosystem when practiced in a sustainable manner. It relies on traditional ecological knowledge, helps maintain biodiversity, and promotes conservation practices.

Subsistence use often relies on traditional ecological knowledge, which is based on a deep understanding of the local ecosystem and its dynamics. This knowledge is often passed down from generation to generation, and it enables communities to use natural resources in a way that maintains the health and productivity of the ecosystem. Secondly, subsistence use can help maintain the biodiversity of an ecosystem. By relying on a variety of different natural resources, subsistence communities can help prevent the overexploitation of any one species or resource.

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During winter, lack of water, cold temperatures and reduced sunlight reduce the rate of photosynthesis in evergreen trees such as pine trees.

Pine trees are evergreen trees in that they they are green all year as they do not lose their leaves like other trees. This is because is because they have reduced needle-like leaves which they keep all-year round.

Thus, evergreens are able to photosynthesize even in winter when other trees lose their leaves. However, the rate of photosynthesis is greatly reduced because of winter conditions.

These conditions of factors that reduce the rate of photosynthesis include:

Thus, during winter, lack of water, cold temperatures and reduced sunlight reduce the rate of photosynthesis in evergreen trees such as pine trees.

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Answer:

A) less sunlight B) colder temperatures

Explanation:

In the given case, the bacterium is exhibiting a growth pattern characteristic of a facultative anaerobic bacterium.

The growth pattern in the given case is of facultative anaerobiosis, which is a feature of some types of bacteria that may develop in the presence or lack of oxygen. When oxygen is present, facultatively anaerobic bacteria can employ aerobic respiration using oxygen as the ultimate electron acceptor and when oxygen is missing or present in low concentrations, they can convert to anaerobic respiration using a different final electron acceptor.

Thioglycollate broth, a growth medium that allows both aerobic and anaerobic development, shows that an unidentified bacteria is able to respire aerobically because it is only growing at the top of the tube. Thus, bacteria is therefore displaying a growth pattern that is typical of facultative anaerobic bacterium.

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Explanation:

It led to the discovery of how to prevent cancer cells from dividing

Answer:

A, Bacteria

Explanation: Prokaryotic bacteria are very simple and lack organelles like ER, mitochondria, Golgi, etc.

Fruit flies are the insects that belong to the order, Diptera and are attracted to ripe and decaying fruit sources. If apple is removed from the ecosystem then the population of flies decreases.

An ecosystem is said to be a biological community that is defined by the presence of both abiotic and biotic factors. It involves the interaction between living and non-living things that are linked through the food chain or the biogeochemical cycle.

The population of the fruit flies in the ecosystem depends on and interacts with the fruits that are ripe and decaying. They feed on those fruits. If the fruit like apples is removed then it will affect the fly population decreases as they were dependent on them for survival.

Therefore, the population of fruit flies decreases.

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