What is a pathogen? A microorganism that helps in digestion A microorganism that causes diseases An organism which is harmed by fungi An organism which is harmed by a virus

Carnivore, consumer

The two words that describe organisms that eat other organisms as food are 'consumer' for those who rely on others for energy and 'decomposer' for those who break down waste materials and dead organisms.

The two words that describe an organism that eats other organisms as food are consumer and decomposer. Consumers are organisms that cannot produce their own food and rely on other organisms for energy. They include animals, some bacteria, and a few plants such as the pitcher plant. Consumers can be further divided into herbivores (like rabbits that eat plants), carnivores (like lions that eat other animals), omnivores (like humans that eat both plants and animals), and scavengers (like hyenas that eat dead animals). On the other hand, decomposers play a role in breaking down dead organisms and waste materials, thereby releasing nutrients back into the ecosystem. Examples of decomposers include fungi and certain bacteria.

The age pyramid with the largest base of pre-reproductive population is typically observed in countries with rapid population growth.

The age pyramid with the largest base of pre-reproductive population is typically observed in countries with rapid population growth, particularly in underdeveloped countries where individuals do not live to old age due to less-than-optimal living conditions. These countries often have a pyramidal age structure diagram, indicating a preponderance of younger individuals, many of whom are of reproductive age or will be soon.

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The age pyramid of economically underdeveloped countries tends to exhibit the largest base of pre-reproductive population. This comes from a high birth rate, but also a lower life expectancy. In contrast, developed countries usually have a smaller pre-reproductive population due to lower birth rates and higher life expectancies.

The age pyramid that has the largest base of pre-reproductive population is typically observed in economically underdeveloped countries. Age structure diagrams for these populations often have a pyramidal shape, indicative of a large young and pre-reproductive population. However, fewer of these individuals reach old age because of poor living conditions. For instance, in many parts of Africa and Asia where economic development is lower, there's a large preponderance of younger individuals (Figure 36.17).

On the contrary, developed countries like the United States and Italy exhibit a different age structure. These populations have a flatter structure or even a 'bulging' pyramid shape due to lower birth rates and higher life expectancy. Therefore, there's a lesser percentage of their population in the pre-reproductive age group (Figures 13.7 and 20.5).

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Charles Darwin:

Charles Darwin was an English biologist, naturalist and others. He contributed to science in many different way, but he's most regarded for his evolution theory which can be found in his famous book, On the Origin of Species.

Evolution, Darwinism:

When he first published his book many people thought he was crazy and that his theory was a total blasphemy, and they even created what we would now call a meme, as we can see in the first image. Turns out, the book was published in  1859, which meant he had enough evidence to prove his theory due to the fact that in 1831 he did his famous voyage in the HMS Beagle to the Galapagos, where he studied different species of finches.

But, going deeper in to the theory, he suggested that animals developed in tiny steps as natural selection went causing modifications to their genes so that they could be more competitive in their environment. That was also part of his proposal to how new species originated - at one point, so many changes would have occurred that the product of natural selection would be a total new species.

A visual way of representing his theory would be with the famous "monkey-scale" where we can see how our upright and non-hairy appearance originated, as we can see in the second image.

Hope it helped,

BiologiaMagister

Blood clotting is a positive feedback.

All the physiological process occurring in the body are monitored by two types of mechanism called negative feedback and positive feedback.  

Positive feedback is the reaction which occurs with the feedback from the actions the system has performed. The blood clot occurs with palette formation which is regulated with the blood lose (continuous feedback).

Negative feedback is a reaction that is the invert of the change distinguished, meaning it capacities to decrease the change. A change is recognized by a receptor and an effector is made to incite a contrary impact which facilitates further reaction.  

The physiological process such as shivering, sweating and digestion are examples of negative feedback.

Increased use of nuclear energy is increased power sources to other places.

the answer is A. because the roads are black and take in more light which makes the area hotter

Answer:

The correct answer is option A, that is, urban areas absorb more of the Sun’s radiation.

Explanation:

The cause for the urban regions exhibiting a warmer climate in comparison to the mountainous regions is the maximum captivation of the radiation of the Sun by these regions. This is termed as the urban heat island effect. This results in the air to be warmer in comparison to the other regions.  

There are various causes related to the elevation in the temperature. One of the causes is exhibiting a huge number of roads and buildings in the urban regions. This takes part in the captivation of the heat from the Sun. Another cause is the absence of green plants, which absorbs the heat and the cools the surrounding.  

it’s food i have to have 20 characters so

Biotic factors are the living components of an ecosystem.

I believe the correct answer is C food. Food meaning plants, berries, and living consumable organisms.

The correct answer is (D) 99.9%

Deoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. There are more than three million differences between the genome of two persons. Humans share 99.9 percent of their genome sequence with each others.

Pretty sure they have 36 calories per a tbsp.

Answer:

C

Explanation:

Human genome project remains the world's largest collaborative biological project that determined the sequence of human genome and the genes that it contains. The sequencing holds benefits for many fields, for example human evolution, molecular medicine etc. This project through its sequencing helped to understand diseases including identification of mutations linked to different forms for cancer, advancement in forensic applied sciences, agriculture , bioprocessing etc.

The sun was formed by a rotating cloud of gas and a bunch of dust called the solar nebula.

The sun is not a planet it is a star so how is a star created there are 3 Types of stars Blue,Red and yellow dome are made by star Collision

Answer:

-

Explanation:

I dont see anything.

the answer is B. bicarbonate  hydrogen ion concentration increasing in the blood.

An increase of carbon dioxide in the tissues will result in:pH of the blood increasing.

pH of the blood increase when carbon dioxide in the tissues  increase.

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During the lunar month, the Moon goes through all its phases. You can see the phases drawn in the image below. Just like the Earth, half of the Moon is lit by the Sun while the other half is in darkness. The phases we see result from the angle the Moon makes with the Sun as viewed from Earth.

hope this helps :)

Moon is the natural satellite of the Earth, which rotates and revolves around the Earth. The moon reflects the sunlight, which makes it visible to the Earth.

The different phases of the moon are seen due to the revolution of the moon around the earth. It can be explained as:

1. The moon does not have its own light, such that it reflects the sun's light.

2. When the moon revolves around the Earth, it can reflect some portion of the light. The different portions of the illuminated moon result in different phases.

3. The phases of the moon are crescent, gibbous, full moon, waning, and waxing moon.

Thus, the moon when orbits around the Earth and gets reflected at some portions will give rise to different phases.

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The most efficient way to use the plot IS TO GROW CORN AND FEED IT TO SEVERAL COWS TO FEED THE FAMILY.

By growing corns and feeding it to several cows the farmer will be able to feed the cows adequately and they in turn will provide him and his family with enough milk and meat. Apart from this, the farmer will be able to sell the excess milk and meat for money and use the money to buy other things that his family need.

In addition, the wastes from the cow can be used as compost to maintain the fertility of his farm land, thus, he will not have to spend money on fertilizers and the land will serve him for a long period of time.

The level of organization shown by the liver is organ level as the liver is an organ. Thus, the correct option is B.

An organ is made up of multiple tissues that are joined together and perform specific functions that contribute to a major function of the body. For instance, liver, kidney, stomach, etc.  

The liver is the second largest organ in the body and is a part of the digestive system. Liver is made up of several types of tissues which includes hepatic laminae, bile canaliculi, bile duct, hepatic ducts and hepatic sinusoids.

Liver carries out multiple functions related to metabolism and detoxification.

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what are the answer choices?

Answer:

strong winter rainfall maximum

Explanation:

False

Deforestation is the process of loss or destruction of naturally occurring forests.

Anaerobic respiration makes a total of 2 ATP. Aerobic respiration is much more efficient and can produce up to 38 ATP with a single molecule of glucose.

Answer:

catastrophism

gradualism

uniformitarinism

Explanation:

There were several theories associated with evolution. In the theory, evolution was defined as the biological change process that has decedents originate from different ancestors.

Uniformitarinism is the prevailing theory of evolution. It focuses on the formation of the rocks and the earth as we know it today

Gradualism focuses on the gradual change over a long time.

Catastrophism focuses on the catastrophic formation of matter from a mass of matter.

Three ideas about geologic change are Plate Tectonics, Weathering and Erosion, and Climate Change.

1. Plate Tectonics: Plate tectonics is a widely accepted scientific theory that explains how the Earth's lithosphere (the rigid outer layer) is divided into several large plates that move and interact with each other.

These plates can collide, separate, or slide past each other, causing various geological phenomena.

2. Weathering and Erosion: Weathering and erosion are processes that contribute to the transformation and transportation of rocks and landforms.

Weathering refers to the breakdown and alteration of rocks at or near the Earth's surface due to physical, chemical, and biological processes. It includes processes like freeze-thaw cycles, chemical reactions, and the actions of plants and animals.

3. Climate Change: Climate change refers to long-term shifts and variations in global or regional climate patterns. It is driven by various factors, including natural processes and human activities.

Geological evidence, such as ice cores, sediment layers, and fossil records, provide insights into past climate changes that have occurred over millions of years.

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It is A chromosomes

Tell me if the answer is wrong

Answer:

Chromosomes!! just did it on study island

Explanation:

um i think its mechanical. because mechanical science is a field of science that invents technology. and uses principles to do so.

can i get brainiest.

Answer:

The answer is applied science.

The Sun's affect on global warming can mostly be attributed to variations in the near-infrared and visible wavelengths of solar radiation. As previously stated, these types of radiation are absorbed by the lower atmosphere, the oceans, and the land

Final answer:

Solar radiation is absorbed by Earth's surface, causing warming, while some is reflected back into space. It affects the ionosphere by altering its height due to ionization and can disrupt satellites. Additionally, it plays a key role in the greenhouse effect and Earth's radiation balance.

Explanation:

The effect of solar radiation on Earth is extensive, influencing numerous aspects of the environment. When radiation from the sun reaches Earth, it is mostly absorbed by the Earth's surface, which warms our planet. However, some of this energy is reflected back into space by the surface and atmosphere.

Radiation also impacts the ionosphere, a layer high in Earth's atmosphere. The ionosphere's boundary fluctuates between approximately 60 kilometers during the day to about 85 kilometers at night due to the sun's ionization effects. Solar radiation, which includes X-rays and gamma rays, creates ionization levels similar to those during the daytime, and it can even prompt sensitive satellites to shut down their electronics to protect against damage.

Most solar radiation falls within the visible spectrum, but ultraviolet radiation is also significant as it is absorbed on its way to Earth's surface, lessening UV levels experienced on the ground. The Earth emits radiation too, but in longer, infrared wavelengths which are associated with the greenhouse effect. Greenhouse gases absorb this infrared radiation and re-emit it, causing warming of the Earth's surface and lower atmosphere.

The radiation balance of the Earth is critical; the planet must emit as much energy as it absorbs to maintain a stable temperature. When greenhouse gases absorb and re-emit radiation, they contribute to this dynamic balance but also cause global temperatures to rise under certain conditions.

Answer:

photosynthesis is the process that plants go through using energy from the sun to make food for themselves that get passed to the rest of the ecosystem

A genotype is the set of genes in our DNA which is responsible for a particular trait. And a phenotype is the physical expression, or characteristics, of that trait. Like for example, two organisms that have even the minutest difference in their genes are said to have different genotypes.

Hope this helps:)

Phenotype is the term used to describe the morphological, physiological and behavioral characteristics of the individual that we can visualize and that arise through the interaction between the genotype and the environment. The phenotype can be motivated in some situations. For example, let's say your parents have black hair, and you have inherited this characteristic from them. This characteristic is something that we can visualize, that is, it is the phenotype. However, you can change the color of your hair, or your hair may appear lighter due to the action of the sun and the chlorine of the picina.

The genotype, on the other hand, is the term used to describe your genetic makeup based on the genes you have inherited from your country. For example, we can say that your father has black skin represented by the "AA" genes, however your mother has a white skin represented by the "aa" genes, you received a gene from your mother and one from your father, with the genetic makeup (genotype) the "Aa" alleles and the black skin phenotype.

Answer:

Paleozoic

Explanation:

It is during the late Paleozoic era, in the Carboniferous and Permian Periods, approximately 300 million years ago, that this transition occurred. During this period, there were higher global temperatures and tropical swamps dominated land on the Earth. This allowed amphibians to move farther inland.  Later, synapsids and diapsids now dominated the land.

During the Paleozoic era, life began transitioning from the oceans to land. This era was a time of significant evolutionary change, with the emergence of plants and many types of animals onto the terrestrial landscape. So the correct answer to the multiple-choice question is Paleozoic.

The Paleozoic era, which is a part of the Phanerozoic Eon, extended from about 541 million to 252 million years ago and is known for the proliferation of life. Within this era, there was a great diversification of life forms, specifically during the Cambrian period where we see the 'Cambrian explosion' of diverse multicellular organisms. Moreover, it is during the later periods of the Paleozoic era that we observe life-first ventures onto land—evidenced by the earliest land plants and animals like amphibians and insects. Sedimentation, tectonics, and evolutionary evidence found in the fossil records all support this crucial transition period. The Mesozoic and Cenozoic eras followed the Paleozoic, with the Mesozoic known for the era of dinosaurs, and the Cenozoic characterized by mammalian evolution and the rise of modern ecosystems.

I’m pretty sure the correct answer would be A.

Based on option A the transition is just more trees, which gives out more oxygen. B having a massive volcanic eruption can cause certian things to die off and could eventually kill off certian species and forms of air. Example would be killing of the trees. C oil spill in the bay can cause damage by pollution and dieing of species. D acres- wide forest fire. Again that would take away oxygen supply and take away natural habbitates of animals/species. There for the answer would be A.

The Nucleus of a cell carries the genetic material, organized into structures known as chromosomes. Each chromosome contains many genes, which are the main units of heredity.

The part of a cell that carries the genetic material is the Nucleus. The nucleus contains most of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes. Each chromosome carries a lot of genes, the basic physical and functional units of heredity.

Genes are distinct sequences of nucleotides forming part of a chromosome, the order of which determines the order of amino acids within protein molecules. Cell membrane, cell wall and chloroplast do not carry genetic material.

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The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid.