What is an explanation of why producers are always found at the lowest trophic level?

B.  The sun.  It is the closest star to Earth.  The moon does not heat up the Earth like at all.  The distant stars are too far away to have an effect.  The hot lava is in the Earth so it doesn't affect the surface.

An increase in body temperature has been known since ancient times to be associated with infection and inflammation and elevated body temperature changes the T-cells' membranes which may help mediate the effects of micro-environmental temperature on cell function

Answer:

Some of the species of bacteria do not possess the tendency to work adequately and replicate in the conditions of fever, that is, high temperatures. Thus, the high-temperature condition minimizes the rate of bacterial infections in the body. The majority of the research has also demonstrated that the temporal elevation in the body temperature, at the time of fever, enhances the activity of the cytotoxic T-cells, which plays a substantial role in fighting against the infection.  

electrons don't just fly off into space because charged particles attract each other, keep in mind that alike particles repel off each other.

electromagnetic forces hold the electrons in orbit around the nucleus in the center of the atom. As they move in a repetive motion, they stay close together to stay in line.

Hope this helps!!

The answer to this question is:

Turbidite bed can form in a matter of hours.

Turbidite can't form in the matter of minutes.

Turbidite can't form in the matter of seconds.

Turbidite doen't take that long to form.

Turbidite bed takes hours to form.

I hope this helps! :)

Have a wonderful day!

-LizzyIsTheQueen

Answer:

in a matter of hours

Explanation:

The correct order is:

B. Rain water is stored in rock and seeps into a hairline crack during a rainfall;

E. The temperature falls below 0° Celsius;

D. Rainwater in the rock crack freezes into ice;

C. Because ice occupies more space than water, the ice wedges the crack open:

A. The freeze-thaw cycle continues to deepen the crack until the rock splits into 2 pieces;

The water from the rain gradually manages to weather parts of the rock. As it does, small cracks appear in it. Once there's cracks, the water from the rainfall also starts to store inside the rock. When the colder period of the year comes, and the temperatures fall bellow 0°C, the stored water freezes. The ice starts to spread inside the crack, thus creating pressure inside the rock. As the pressure is becoming bigger and bigger, the rock will eventually crack into two or more pieces.

Answer:

   Rain water is stored in rock and seeps into a hairline crack during a rainfall: It is probable that this rock had small fissures, by where the rain water infiltrated and was stored there.

   The temperature falls below 0° Celsius: As previously stated, frost only occurs when the temperature of a region falls below 0 °C

   Rainwater in the rock crack freezes into ice: At such a low temperature, the water present in the cracks of the stone froze

   Because ice occupies more space than water, the ice wedges the crack open: When the water froze, it turned to ice and expanded in size. Ice takes up more space than water, so ice forced the small cracks in the stone to crack.

   The freeze-thaw cycle continues to deepen the crack until the rock splits into 2 pieces: The freezing causes the ice to expand more and more and this deepens the cracks in the stone.

Explanation:

Ecologists measure the population density by using the Quadrat method and the Mark and Recapture method.

Answer:

They use the method of marking and recapture.

Explanation:

The method of marking and recapture is the most common way that ecologists use to measure population density. To carry out this method, scientists must remove some members of the population and mark them in some way, so that they can be identified later. After correctly marking them, the members return to their original population, where they will mix with the other members of the population for a period of time determined by the ecologist. The important thing is that this time is enough for the marked members to mix with the rest of the population. While waiting for that time to pass, ecologists continue to capture and mark other members of the population until the recapture of the first marked members takes place. In this way, the size of the population will be estimated through the proportion of catches.

The unit of organization that include all the other would be systems. Thus, the correct option would be C.

When it comes to living organisms, the various of levels of organizations are:

Hence, the system is the highest unit of organization that include all other units of organization. From the system, cells, tissues, and organs can be located.

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The abyssopelagic zone is spread on the 83 percent of the total ocean water and it covers the 60 percent of the earth's surface.

the percentage of the oceans floor is found in the abyssopelagic zone is 63%

Answer:

Oak trees performs cellular respiration and photosynthesis so both boxes should be checked

Explanation:

"Plants" (seaweeds are not strictly plants) all can perform photosynthesis, in which they use chlorophyll to convert solar elergy into chemical energy (glucose). But they can also carry out respiration which is the opposite process. In respiration glucose is broken down and its stored energy is released and used as fuel for the organism's processes.

Conversely, animals such as the housefly, the rabbit and the crab in the lower part of the image, can only perform respiration.

Answer:

You’re welcome

Explanation:

It is a protein that prevents a muscle contraction by wrapping around it

Tropomyosin is a protein in skeletal muscle that regulates muscle contraction by covering and uncovering myosin-binding sites on actin filaments. It uncovers these sites when calcium ions bind to the troponin complex, allowing muscle contractions to occur. Without ATP and calcium, tropomyosin returns to its state covering the sites, leading to muscle relaxation.

Tropomyosin is a protein located in skeletal muscle that has a crucial role in muscle contraction. It winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin, effectively stopping premature muscle contraction. When muscle contraction is needed, calcium ions bind to troponin, a protein complex, and cause a change in shape that moves tropomyosin away from the myosin-binding sites.

This movement allows myosin to bind to actin and forms a cross-bridge, initiating muscle contraction. The cycling of cross-bridge formation and breakdown, powered by adenosine triphosphate (ATP), leads to muscle contraction. This process continues until calcium ions and ATP are no longer adequate, at which point tropomyosin returns to its position covering the myosin-binding sites, and the muscle relaxes.

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Organisms need energy to survive, as cells can't survive on their own without it. They need energy for growth, reproduction, movement, and repair. Hope this helps!

Both= Nucleus,cell membrane,Golgi apparatus, ribosomes are found in Both plant and animal cell

Plant cell =  have a cell wall, a large central vacuole, and plastids such as chloroplasts

hope this helps :)

>Physical therapy uses treatments such as heat, massage, and exercise to stimulate nerves and muscles.

>Occupational therapy concentrates on ways to perform activities of daily living.

>Mobility aids include manual and electric wheelchairs and scooters.

>Supportive devices include braces, canes, and walkers.

>Assistive technology such as voice-activated computers, lighting systems, and telephones.

>Adaptive equipment such as special eating utensils and controls for driving a car.

https://my.clevelandclinic.org/health/diseases/15345-paralysis/management-and-treatment

Not similar to matter, flow of energy has a one way flow through living things. On the other hand, matter is recycled within and between ecosystems.  Living things (ecosystems) need nonliving matter as well as energy.  Matter is used to build bodies. It's also needed to carry out the processes of life.  Any nonliving matter that living things need is called a nutrient. Carbon and nitrogen are examples of nutrients.  Unlike energy, matter is recycled in ecosystems.

The ecosystem is a collection of communities of biotic and abiotic nature. The ecosystem channels energy in cyclic pathways and is unidirectional.

Learn more about the way matter cycles by an ecosystem differ from the way at energy flows.

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Sabine river. Red river. rio grande

The three rivers that form borders in Texas are the Rio Grande, Red River, and Sabine River, which border Mexico, Oklahoma, and Louisiana, respectively.

The three Texas rivers that form borders and their neighbouring states are:

Each of these rivers plays a significant role in the geography of Texas, and they have also been important in historical contexts, such as the Texas annexation and border disputes.

Because they are attached to it.

muscle attachment to a joint helps that joint move in the correct direction, like your elbow...

Answer:

No effect.

Explanation:

The mutations that benefit the organisms increase their survival fitness while the mutations that harm them serve to reduce their survival. However, many mutations do not benefit or harm the organisms which means that they do not impart any positive or negative trait that could affect the survival fitness of the organisms. These mutations are neutral mutations.

Answer:

a neutral

Explanation:

look at the screen shot

A group of cells working together to do a job is called tissue.

B i hope it  help you

The amino acid sequencing sometimes reveals the ancestral evolution of the organisms.

Adaptive evolution at the molecular level can be studied by detecting convergent and parallel evolution at the amino acid sequence level. For a set of homologous protein sequences, the ancestral amino acids at all interior nodes of the phylogenetic tree of the proteins can be statistically inferred.

Inconsistent results on the association between evolutionary rates and amino acid composition of proteins have been reported in eukaryotes. However, there are few studies of how amino acid composition can influence evolutionary rates in bacteria. Thus, we constructed linear regression models between composition frequencies of amino acids and evolutionary rates for bacteria.

Compositions of all amino acids can on average explain 21.5% of the variation in evolutionary rates among 273 investigated organisms.

Thus, the amino acid sequences support the evolutionary patterns .

For more information about amino acid,sequencing, visit:

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Answer:

Transfer RNA delivers specific amino acids to the ribosome, matching messenger RNA codons.

The five earth's spheres are biosphere, hydrosphere, atmosphere, geosphere and lithosphere.

An organism like polar bear might react with each of the sphere in the following way:  The bear has its habitat on the land (lithosphere), he eat grasses and other small animals found in the biosphere. It drinks water, which is part of the hydrosphere. It breaths in oxygen and breath out carbon dioxide into the atmosphere. Its wastes is a source of food to decomposers, ( in the geosphere) which breaks it down for plants' use

i believe the answer is the sun

A meteor!

A meteor is a piece of debris that crashes at into the earth. Meteors can be seen on any given night, as they are simply interplanetary material falling into the earths atmosphere. Meteors reach about 3,000 degrees Fahrenheit, and travels at about 30,000 mph. :) Hope this helps!    

The aforementioned phrases in the prompt above is describing this celestial body: C. meteor.

A meteor can be defined as a celestial (astronomical) body that is formed as a result of its high speed entry into interplanetary space or Earth's atmosphere, thereby, producing shooting stars, light and other physical phenomena such as ionization, heat, shock.

In conclusion, a meteor is being described as shooting stars and they mainly showers in the night sky.

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An increase in genetic variation

The answer to this is C.

Answer:

The answer is C

Explanation:

The person on top of me is correct just if you're still not sure is this answer is correct or not.

sorry but where are the examples?

E, D, B

Wind direction is given in terms of where its going and it's never possible to be 100% accurate with weather predictions :)

The accurate statements about weather are:

a. wind direction is given in terms of the direction it blows from.

d. humidity measures the amount of water vapor in the atmosphere.

e. Weather can be described by air temperature, air pressure, wind velocity, and rainfall.

Let's examine each of the statements about weather:

a. Wind direction is given in terms of the direction the wind is blowing from: This statement is accurate. For example, a north wind blows from the north.

b. Weather is a description of the average temperature and precipitation range of a region over time: This statement is inaccurate. That description actually defines climate, not weather. Weather refers to the short-term atmospheric conditions in a specific place at a specific time.

c. With the right tools, weather can be predicted with 100% accuracy five days ahead of time: This statement is inaccurate. Weather prediction is complex and subject to many variables, hence it cannot be predicted with absolute certainty, especially long-term predictions.

d. Humidity is a measure of the amount of water molecules in the atmosphere: This statement is mostly accurate but could be more precisely stated as the amount of water vapor in the air.

e. Weather can be described in terms of characteristics such as air temperature, air pressure, wind velocity, and rainfall: This statement is accurate. These elements are fundamental components used to describe the weather at a given time and place.

Based on the above analysis, the accurate statements are:

Answer:

splitting atoms

Explanation:

Answer:

spitting atoms

Diversity within an ecosystem allows for variation in the species and environment interact with each other.

Diversity within an ecosystem allows for variation in the species and environment interact with each other.