Which type of organism is at the lowest level of the food chain?

omnivore

carnivore

autotroph

heterotroph

Answer:

A and C

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The aorta carries oxygen rich blood away from the heart.

The pulmonary artery transports deoxygenated blood from the heart to the lungs.

The inferior vena cava carries deoxygenated blood from the lower body to the heart.

The coronary artery branches from the aorta and provide oxygen to the heart muscles.

Answer & explanation:

Aorta - carries oxygen rich blood away from the heart.

The aorta contributes to the stability of blood flow by pumping oxygenated blood through the left ventricle.

Pulmonary artery - transports deoxygenated blood from the heart to the lungs.

The pulmonary artery originates from the right ventricle, it forks into the right and left pulmonary arteries.

Lower vena cava - carries deoxygenated blood from lower body to the heart.

This is the largest vein in the body, formed by the two iliac veins.

Coronary artery - branches from aorta and provide oxygen to heart muscles.

It also divides into left and right coronary arteries, where each carries oxygenated blood to different regions of the heart.

Answer:

answer is 1

it would have no food.

Explanation:

Photosynthesis also uses carbon dioxide faster than respiration produces it. Oxygen surplus is released into the air and unused glucose stored in the plant for later use. This is why plants are so important to human and other animals' survival. Without photosynthesis, we wouldn't have oxygen or food to stay alive.

Plant cells respire, just as animal cells do. If they stop respiring, they will die. Remember that respiration is not the same as breathing, so take care - plants do not breathe.

The study of plants is called botany. There are two types of plants and these are flowering plants and nonflowering plants.

The correct answer is A it would have no food.

The oxidation of the biomolecules to make the energy is called respiration.

Photosynthesis also uses carbon dioxide faster than respiration produces it. Oxygen surplus is released into the air and unused glucose is stored in the plant for later use.

This is why plants are so important to human and other animals' survival. Without photosynthesis, we wouldn't have oxygen or food to stay alive. Plant cells respire, just as animal cells do. If they stop respiring, they will die. Remember that respiration is not the same as breathing, so take care - plants do not breathe.

Hence, the correct answer is option A.

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Answer:

Blood vessels in the heart dilate to increase blood pressure.

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[tex]Sofia[/tex]

Answer: Some non specific responses in the body caused by the immune system are the release of body cells. (T-cells, T-killer cells, B-cells, B-Helper cells.)

Explanation:

When your body notices an intruding viruses or bacteria, it initiates a chemical response. (Aka your germacide.) You body has two systems that’s work together to kill these intruders, your non specific defense, and you specifics defense. Each has it’s own jobs. The non specifics job is to release you cells to the targeted area. When a cell is detected, and it gets into your blood your B cells will latch onto it and call your other cells to come kill it. Another way you’re non specific defense gets to work is your skin. You body always has germs on its skin, so it produces a anti germ liquid. Sometimes it doesn’t affect them, and sometimes it does. For the germs it attacks, it actually breaks down the cells cell. It’s like a acid for the germ.

Answer: The answer would be B.

Explanation:

because ....

If scientists make new discoveries about fossils then most likely their results are going to different than Charles. Also, the scientists theory is most likely going to be different as well.

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The answer would be B

Answer:noninfectious

noninfectious

Explanation:

Answer:

noninfectious

Explanation:

Answer:

9. True

Explanation:

Cells make up all living things.

Answer:

Change Will Continue Through This Century and Beyond

Global climate is projected to continue to change over this century and beyond. The magnitude of climate change beyond the next few decades depends primarily on the amount of heat-trapping gases emitted globally, and how sensitive the Earth’s climate is to those emissions.

Temperatures Will Continue to Rise

Because human-induced warming is superimposed on a naturally varying climate, the temperature rise has not been, and will not be, uniform or smooth across the country or over time.

Frost-free Season (and Growing Season) will Lengthen

The length of the frost-free season (and the corresponding growing season) has been increasing nationally since the 1980s, with the largest increases occurring in the western United States, affecting ecosystems and agriculture. Across the United States, the growing season is projected to continue to lengthen.

In a future in which heat-trapping gas emissions continue to grow, increases of a month or more in the lengths of the frost-free and growing seasons are projected across most of the U.S. by the end of the century, with slightly smaller increases in the northern Great Plains. The largest increases in the frost-free season (more than eight weeks) are projected for the western U.S., particularly in high elevation and coastal areas. The increases will be considerably smaller if heat-trapping gas emissions are reduced.

Changes in Precipitation Patterns

Average U.S. precipitation has increased since 1900, but some areas have had increases greater than the national average, and some areas have had decreases. More winter and spring precipitation is projected for the northern United States, and less for the Southwest, over this century.

Projections of future climate over the U.S. suggest that the recent trend towards increased heavy precipitation events will continue. This trend is projected to occur even in regions where total precipitation is expected to decrease, such as the Southwest.

More Droughts and Heat Waves

Droughts in the Southwest and heat waves (periods of abnormally hot weather lasting days to weeks) everywhere are projected to become more intense, and cold waves less intense everywhere.

Summer temperatures are projected to continue rising, and a reduction of soil moisture, which exacerbates heat waves, is projected for much of the western and central U.S. in summer. By the end of this century, what have been once-in-20-year extreme heat days (one-day events) are projected to occur every two or three years over most of the nation.

Hurricanes Will Become Stronger and More Intense

The intensity, frequency and duration of North Atlantic hurricanes, as well as the frequency of the strongest (Category 4 and 5) hurricanes, have all increased since the early 1980s. The relative contributions of human and natural causes to these increases are still uncertain. Hurricane-associated storm intensity and rainfall rates are projected to increase as the climate continues to warm.

Answer:

1. North and south poles are Melting (Slowly)

2. There is less rainfall in the Sahara Dessert

3. Sea levels rising

4. More floods due to risen sea levels

5. Hotter climates

Answer:

if you lose toxins from toxin city

Explanation:

A it is often very pure so groundwater is desirable

Answer: Option A.

It is often pure.

Explanation:

Ground water is the water found underground the or below the Earth surface where it occupies the faces of the soil, fractures of rock formations. It is stored in them and move steadily in this formations.

It is gotten by drilling or digging Wells. Ground water is clean or pure and ready to use because the soil filters the water.

Answer:

cellular respiration

Explanation:

This is when the body consumes  and  sugar and oxygen obtained from food and breathing  to produce waste  like water carbon dioxide when breathing out and sweat

Final answer:

The equation 'sugars + oxygen → carbon dioxide + water' represents cellular respiration, where glucose combines with oxygen to produce carbon dioxide, water, and energy. The reverse process, photosynthesis, is represented by 'carbon dioxide + water → glucose + oxygen', where plants convert CO₂ and H₂O into glucose and O₂ using sunlight.

Explanation:

The process best represented by the chemical equation 'sugars + oxygen → carbon dioxide + water' is cellular respiration. In this biological process, sugar such as glucose (C₆H₁₂O₆) reacts with oxygen (O₂) to produce carbon dioxide (CO₂), water (H₂O), and energy in the form of ATP. The balanced chemical equation for this reaction is C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O. Cellular respiration takes place in the mitochondria of cells and is essential for providing energy to maintain various cellular processes.

On the other hand, the chemical equation 'carbon dioxide + water → glucose + oxygen', which represents the process of photosynthesis, is the reverse of cellular respiration. During photosynthesis, green plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using energy from sunlight. The balanced equation for photosynthesis is written as 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O. Photosynthesis occurs in the chloroplasts of plant cells and contributes to the global oxygen supply while removing carbon dioxide from the atmosphere.

Answer:

maybe 75% of them were purple and 25% were white

Answer:

"Pp" is the most likely genotype of the original 20 full-grown plants

Explanation:

Given

All the 20 full-grown pea plants have purple flowers.

But when two plants out of these 20 are mated , then the seeds from the cross produced some plants with purple flowers and some with white flowers

This leads to a conclusion that though the 20 plants have purple color , they must be carrier of white color allele.

Thus, genotype of all the 20 pea plant species would be "Pp"

if two "Pp" genotype plants are crossed following offsprings are produced -

P p

P PP Pp

p Pp pp

Since "p" is a recessive allele , therefore when two recessive alleles are together they express their trait.

So, here in this case one out of four offspring is white in color.

I would go with none of the above

All the listed types of RNA (mRNA, tRNA, rRNA) are involved in the translation process, making the correct answer D. none of the above.

Translation is the process of protein synthesis where different types of RNA play essential roles. The three main types of RNA involved in this process are:

Considering the roles of these RNA types in translation, the correct answer is D. none of the above because all the listed types of RNA (mRNA, tRNA, rRNA) are involved in translation.

Answer:

Some organism reproduce by asexual reproduction because it does not requires much energy and is very convenient.

This type of reproduction does not requires two parent. They do not involve the fusion of male and female gamete.

The offspring produced by this process are same and it does not requires much time to produce offspring.

There is no variation in the offspring and the stability of organism produced by asexual reproduction is less as compared to that of sexual.

Final answer:

Organisms reproduce asexually to rapidly produce offspring without needing a mate, resulting in a quickly growing population of genetically identical individuals, which can be beneficial in stable environments but a disadvantage in changing ones.

Explanation:

Some organisms reproduce asexually because this method of reproduction can be very quick and does not require the meeting of male and female organisms. Asexual reproduction allows for the rapid growth of a population since every individual is capable of reproduction, leading to advantages in certain environmental conditions. Asexual reproduction often results in offspring that are exact genetic clones of the parent, which can be beneficial if the parent's traits are well suited to the environment.

However, it also means that all offspring carry the same genetic vulnerabilities, which can be a disadvantage in changing or unpredictable environments. Sexual reproduction introduces genetic variation which can be advantageous for populations in variable environments, as it enhances adaptability and increases the chance of survival against diseases and environmental changes.

Answer:

D) Opposable Thumbs

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D, opposable thumbs

Other organisms don’t

Answer:

The further away an attachment or body part is from the center (shoulder, elbow, wrist, hand, fingers) the more distal it is, and the closer the body part is to the center the more proximal it is.

Explanation:

Final answer:

The hand is distal to the upper arm; 'distal' means farther from the point of attachment to the trunk, whereas 'proximal' means closer.

Explanation:

The hand is distal to the upper arm. The term 'distal' refers to a position in a limb that is farther from the point of attachment to the trunk of the body or the origin. In contrast, 'proximal' describes a position that is nearer to this point of attachment. For instance, the brachium (upper arm) is proximal to the antebrachium (forearm). In the context of the human body's anatomical position, the upper arm, which contains the humerus bone, is between the shoulder and the elbow joints, while the hand is beyond the wrist. Therefore, when comparing the position of the hand relative to the upper arm, the hand is situated distally.

The senses help the body react tostimuli by responding to changes in pressure, temperature, sights, etc. that alert the body to danger. The body reacts to keep itself out of danger or tomaintain homeostasis.

Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.

Answer:

continental drift theory

Explanation:

If we take the shapes of the continents and we compare them, and put them next to each other, we can see that they are an almost perfect match, and that they resemble a puzzle. Also, it is very interesting that there are lot of fossils that are exactly the same, thus the same species, found in multiple different continents. These two clues give us part of the evidence that the continental drift is a real process that has been going on since very early in the geological timeline.

Answer: All parts of a plant are made of cells.

Answer:

All parts of a plant are made of cells.

Explanation:

Cell theory was developed by Sheildien and Schwann. The cell theory states that cell is the functional and structural unit of the living organism. All living organism are made of cell.

The scientists discover that all parts of plants are made of cell. Later, found that not only plants but all the living organism are made of cell. Cell perform all the basic necessities of life. The new cell arise from the pre existing cell.

Thus, the correct answer is option (D).

1.

2. octopus

3. Algae

4. Humans.

5. Limpets.

6. Human.

7. Increase

8. Octopus and Starfish.

Answer:

Explanation:

Genes are the physical and functional unit that determines heredity in humans. They are made of DNA and located in the chromosomes. A chromosome contains a long strand of DNA that has many genes.When mutation of a gene happens, it can result to a genetic disorder.In a single gene disorder, mutation happens on a single gene where as in complex gene disorder, mutation happens on one or more genes.

Answer:

Explanation: Basically everything but are made of chromosomes.

Answer:

lons

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Answer: The correct answer is isotopes.

Explanation:

Isotopes are defined as the chemical species of the same element which has different atomic mass but have same atomic number.

It can also be said that they have different number of neutrons but have same number of protons.

For Example:  [tex]_6^{12}\textrm{C}\text{ and }_6^{14}\textrm{C}[/tex] are the isotopes of carbon. They have 6 and 8 number of neutrons respectively.

Hence, different isotopes of an element will have different number of neutrons.

Answer:: Solar energy absorbed at Earth's surface is radiated back into the atmosphere as heat. As the heat makes its way through the atmosphere and back out to space, greenhouse gases absorb much of it. ... They radiate the heat back to the Earth's surface, to another greenhouse gas molecule, or out to space.

Explanation:

They can only produce cells that are the same as them

Because of the genetic mutation, or the possibility of the offspring have a genetic disorder.

Answer:

These mutations are passed onto the next generation because the offspring are exact genetic clones of their parent. The genetic load of organisms and their populations will increase due to the addition of multiple deleterious mutations and decrease the overall reproductive success and fitness.

Answer:

ancient sharks

Explanation:

Nicholas Steno can be considered as the father of paleontology. In the year of 1666, Steno received a shark specimen caught by two fishermen. Once he started dissecting it, he noticed that the teeth have very interesting shape. They reminded him of the ''tongue stones'' known since the antiquity. In fact, the ''tongue stones'' were actually teeth of ancient sharks, just that the people were not aware of that. Steno was quick to see the similarities, thus he made a conclusion that they have to be connected.

Answer:

A. Moon is between the Sun and Earth

Explanation:

The new moon stage is the faze in which we can not see the Moon from Earth. In this stage, the Moon is lacking from the sky, or rather we can not see it because it is totally dark from the side that is facing the Earth. The reason for this is that the Moon is located between the Sun and the Earth. The Sun is making half of the Moon bright as it always does, but in this stage it is the half of the Moon that is facing the Sun, while the other half that is facing the Earth is totally dark as it doesn't receive any sunlight at that time.

Answer:

i just took test here u go

Explanation:

Answer:

Central

Explanation:

Sensory and motor neurons are connected to the central nervous system.

The central nervous system (CNS) is the section of the nervous system that is made up of the brain and spinal cord. The sensory and motor neurons are connected to the central nervous system. The sensory neurons receive impulses (message) and transmit them from the sense organs to the brain or spinal cord, while the motor neurons transmit impulses from the brain and spinal cord to muscles or glands within the body.

Sensory and motor neurons are both linked to the peripheral nervous system. Sensory neurons transport information from the body's tissues and organs into the central nervous system, while motor neurons transmit signals from the central nervous system to the body's muscles, glands, and organs.

Sensory and motor neurons are connected to the peripheral nervous system. In detail, the peripheral nervous system consists of the nerves and ganglia that lie outside the central nervous system, which includes the brain and spinal cord. Sensory neurons bring information from the body's tissues and organs into the central nervous system, which helps us react to stimuli. In contrast, motor neurons carry signals from the central nervous system to the muscles, glands, and organs in the body to trigger actions like muscle contraction or gland secretion.

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