E

Since the 1960s, the Medicare and Medicaid programs have successfully

reduced discrimination against minorities in renting and housing.

increased the number of college graduates among all groups.

reduced the amount of military spending in the national budget.

O increased the number of people who have health insurance.

Answer:

Within an ecosystem, we can identify different levels of organization, such as individuals, populations, communities, and the overall ecosystem.

Explanation:

An individual refers to a single organism, such as a plant or an animal, living within the ecosystem. For example, a squirrel or a tree in your ecosystem would be considered individuals.

Populations are groups of individuals of the same species that live in the same area and interact with one another. For instance, if there is a group of squirrels living in your ecosystem, we can refer to them as a population of squirrels.

Communities include all the populations of different species living together in a specific area. In your ecosystem, there might be various populations, such as squirrels, birds, insects, and plants, interacting and coexisting with one another. Together, they form a community of different organisms.

The ecosystem encompasses both the living organisms (biotic factors) and the non-living components (abiotic factors) in a given area. The abiotic factors include things like sunlight, temperature, water, soil, and air. They influence the distribution and behavior of the organisms within the ecosystem. For example, the availability of sunlight and the temperature range in your ecosystem will affect the growth of plants and the activities of animals.

An ecosystem consists of the interactions between abiotic and biotic components in a specific area. Abiotic components include non-living factors like water, air, sunlight, temperature, and soil, while biotic components include living organisms like plants, animals, and microbes.

Populations of different species of plants, animals, and microbes make up the biotic components of an ecosystem. Each individual organism, whether a plant, animal, or microbe, interacts with its biotic and abiotic surroundings. The community of different species of organisms in an ecosystem all interact with each other to obtain food, shelter, or other necessary resources.

Some species form mutualistic relationships, while others may be in competition with each other for resources. Therefore, the ecosystem that we live in is the local community of living organisms interacting with the abiotic environment. These interactions between abiotic and biotic components of an ecosystem result in complex and dynamic ecosystems that can change over time.

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Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

Answer:

A

Explanation:

is the answer cause it's what life is

Answer:

Alzheimer's disease is a condition that causes dementia. It causes the brain to degenerate and die.

This causes people to decline in their ability to think, socialize, and live independantly.

Answer & Explanation:

Alzheimer's disease is an irreversible, progressive brain disorder that slowly destroys memory and thinking skills and, eventually, the ability to carry out the simplest tasks. It is the most common cause of dementia in older adults. As Alzheimer's disease progresses, people experience greater memory loss and other cognitive difficulties. Problems can include wandering and getting lost, trouble handling money and paying bills, repeating questions, taking longer to complete normal daily tasks, and personality and behavior changes.

Answer:

Three Adaptive features of aquatic plants (hydrophytes) are as follows: a) Underdeveloped conducting tissues (xylem and phloem) are present. b) The plants body covered with waxy substance. c) The stems are long, soft and spongy.

Explanation:

Answer:

Aquatic plants require special adaptations for living submerged in water, or at the water's surface. The most common adaptation is the presence of lightweight internal packing cells, aerenchyma, but floating leaves and finely dissected leaves are also common.

Answer:

The correct answer is : state - dependent memory.

Explanation:

State dependent memories are recollections of memories that are set off or enhanced or increased by an individual's present mind-set in view of the relationship to memories framed when you were in a comparative state.

For example, pleasant memories are all the more effectively or strongly recalled when one is feeling happy and the equivalent goes for negative thoughts and sadness or outrage towards something. In this case Joe having more negative thoughts in response of depression or negative thoughts.

Thus, the correct answer is : state - dependent memory.

Joe's depression caused by pessimistic explanatory style of negative events is due to State dependent memory,

State dependent memory:

It is phenomenon in which people recall more information if their mental or physical state is same as the time event.

Here, pessimistic explanatory style makes Joe to recall depressive events that cause more depressive events to come.

Therefore, Joe's depression caused by pessimistic explanatory style of negative events is due to State dependent memory,

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Answer:

It will freeze.

Explanation:

What happens when you put bottle of water in freezer? It freezes and turns into ice right? Why? Because we take away the heat from the liquid water and this changes it from liquid to ice (solid). Thus, cooling water = making ice (freezing)

She was shocked awake, according to the statement, and the sympathetic nervous system took over.

The best-known function of your sympathetic nervous system is how it reacts to risky or stressful circumstances. Your sympathetic nervous system becomes active in these circumstances to help you escape danger by increasing your heart rate, delivering more blood to your body's oxygen-depleted regions, and other actions.

The hypothalamus triggers the sympathetic nervous system by communicating with the adrenal glands via the autonomic nerves following an amygdala distress signal. Epinephrine, often known as adrenaline, is released into the bloodstream by these glands as a response.

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Answer:

In chemistry, Kw is called the dissociation constant or ionization constant of water.

The concentration of H3O+ ions in pure water at 25°C is 10^-7 M . This means that there are 10^-7 M of H3O+ ions in pure water.

Explanation:

Kw is the ion product constant for water, which is the product of the concentrations of hydrogen ions (H+) and hydroxide ions (OH-) in water at a given temperature. At 25°C, Kw has a value of 1.0 x 10^-14. This means that for any aqueous solution at 25°C, the product of the concentrations of H+ and OH- will always equal 1.0 x 10^-14.

In pure water at 25°C, the concentration of H+ ions (also called hydronium ions or H3O+) is equal to the concentration of OH- ions. This is because pure water is neutral, meaning that it has an equal number of positive and negative ions. Therefore, the concentration of H3O+ in pure water at 25°C is also 1.0 x 10^-7 M.

A group of snakes that is unable to cross a river and is separated from a group of snakes on the opposite side is an example of the geographic isolation process (Option B).

The geographic isolation process refers to all types of geographic barriers such as rivers that limit the gene flow between individuals of the same species.

Therefore, with this data, we can see that the geographic isolation process is associated with a limited gene flow in a population due to geographic barriers between individuals.

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Answer:

gene

Explanation:

......... ..... .... ..

Answer:

A, B, C, and D are correct. :)

The first branch of the evolutionary tree is believed to be the separation between prokaryotes (organisms lacking a cell nucleus) and eukaryotes (organisms with a cell nucleus).

The evolutionary tree, also known as the tree of life or phylogenetic tree, represents the evolutionary relationships between all living organisms on Earth. It illustrates the diversification of life over time, showing how different species are related to one another through common ancestors.

1. The first step in understanding the first branch of the evolutionary tree is to recognize that all life on Earth can be classified into three main domains: Bacteria, Archaea, and Eukarya.

2. Among these domains, Bacteria and Archaea are considered prokaryotes, which are single-celled organisms lacking a membrane-bound nucleus. They are believed to have diverged from a common ancestor.

3. Eukarya, on the other hand, comprises organisms with eukaryotic cells, which possess a nucleus surrounded by a membrane. This domain includes all complex organisms such as plants, animals, fungi, and protists.

4. The separation between prokaryotes and eukaryotes is considered the first major branch in the evolutionary tree. It represents a fundamental divergence in cellular structure and complexity.

5. While the exact details and timing of this divergence are still the subject of scientific investigation, it is generally believed to have occurred billions of years ago, early in the history of life on Earth.

6. This initial split paved the way for the subsequent diversification of life, leading to the vast array of species and ecosystems we observe today.

7. It is important to note that the evolutionary tree is a constantly evolving representation of our understanding of the relationships between organisms. New discoveries and advances in scientific knowledge may lead to revisions and refinements of the tree over time.

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The earth's atmosphere can cause global warming because molecules in the atmosphere are warmed by radiation from Earth and retain that heat.

The extremely quick rise in the planet's average surface temperature over the past century is known as global warming, and it is mostly caused by greenhouse gases that are emitted when people burn fossil fuels.Greenhouse gas emissions are the cause of global warming. Carbon dioxide (CO2), methane, and nitrous oxide together account for 72% of all greenhouse gas emissions (NOx). Therefore, carbon dioxide emissions are the main contributor to global warming. Fuels such as oil, natural gas, diesel, organic-diesel, gasoline, organic-petrol, and ethanol must be burned in order to release CO2. Within the previous 50 years, CO2 emissions have substantially grown and continue to rise by about 3% year.

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Answer:

Not testable

Explanation:

There's really no way you can prove that with a scientific experiement.

Answer:

Not testable

Explanation:

Every scientific question must be testable. There are no scientific tools that can prove ghosts exist. Instead, this question is based on beliefs, opinions, and in some cases - religion. Thus, this is not a testable question, which means it is not scientific either.

The particles of the substance initially had high Kinetic Energy.​

Gas particles move quickly in all directions and regularly collide with one another and the container's side. The particles gather kinetic energy and accelerate as the temperature rises. The particles' real average speed is influenced by their mass and temperature.

In liquids, particles are quite close together and move with random motion throughout the container. Due to the closer proximity of the particles, collisions between them happen more frequently than in gases even if particles are moving quickly in all directions.

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Answer:

The theory of evolution seemed to go against religious teachings that God made the Earth and created all living things, as they knew them. Christians believed that God had created humans 'in his own image', that humans were superior to all other creatures and had a soul that is immortal.

Explanation:

Answer:

The theory of evolution seemed to go against religious teachings that God made the Earth and created all living things, as they knew them. Christians believed that God had created humans 'in his own image', that humans were superior to all other creatures and had a soul that is immortal.

Explanation:

but evolution is a myth

Answer:

Higher the altitude, the thinner the atmosphere gets. The total heat content of a system is directly related to the amount of matter present, so it is cooler at higher elevations.

Here cooler means decrease in temperature.

Answer: When a main sequence star begins to run out of hydrogen fuel, the star becomes a red giant or a red super giant. THE DEATH OF A LOW OR MEDIUM MASS STAR After a low or medium mass or star has become a red giant the outer parts grow bigger and drift into space, forming a cloud of gas called a planetary nebula.

hope this helps

Answer:

D. transported to the other parts of the cell by the endoplasmic reticulum from ribosomes.

Answer:The electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons across a membrane. The electron transport chain is built up of peptides, enzymes, and other molecules

Explanation:give brianlest

Answer:

Medical definitions for electron transport

The successive passage of electrons from one cytochrome or flavoprotein to another by a series of oxidation-reduction reactions during the aerobic production of ATP, with the electrons originating from an oxidizable substrate and passing to molecular oxygen.

Answer: population

Explanation: because there are a lot of birds living there like there a lot of people in a city that's also a population example

Explanation: Latex is found within the plant's circulation system. It's not released until there's a broken leaf or the plant is broken in some manner. When the leaves or stems are broken, it releases a milky white substance that can cause a reaction in latex-allergic individuals.

None of the craft supplies will dissolve when water soaks the supplies and is therefore denoted as option D.

This is referred to as the process in which a solute is merged with a solvent thereby forming a solution and it varies according to certain properties and features.

The supplies such as beads, feathers, and crayons are all incapable of forming a solution with water as a result of their molecular structures and their non polar parts which is why they are referred to as being insoluble substances.

On the other hand substances like salt, sugar are capable of dissolving in water and forming a solution which are referred to as soluble substances which is therefore the reason why option D was chosen as the most appropriate choice.

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Answer:

Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.

Explanation:

Answer:

Darwin's greatest contribution to science is that he completed the Copernican Revolution by drawing out for biology the notion of nature as a system of matter in motion governed by natural laws. With Darwin's discovery of natural selection, the origin and adaptations of organisms were brought into the realm of science

1- Your trips on the Beagle to investigate species

2- The origin of species

3 - Theory of evolution

4- Natural Selection

5- Other contributions of Charles Darwin to science

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The correct answer is B. The rate of decomposition would increase. The organic matter contained in forests will be decomposed, which would release more carbon dioxide to the atmosphere.

The long, bushy tail of the raccoon may be a selective advantage for this species because the bushy tail helps keep the face warm during a snowstorm (Option d). In addition, it may serve as camouflage and also may act to communicate with other members of the population.

An evolutionary selective advantage is a feature in a species that confer an advantage to survive and reproduce in a particular environmental condition, which may be associated such as in this case to the tail in raccoons.

Therefore, with this data, we can see that an evolutionary selective advantage is any phenotypic feature that enhances the survival and or reproductive rate of individuals in a population or species.

Complete question:

The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?

selective advantage only applies to populations

the opossum  tail can grab onto a tree for balance

tail fur does not have an impact on survival

the bushy tail helps keep the face warm during a snowstorm

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