The adrenal medulla is different from the remainder of the sympathetic division because __________.

Answer:

Burnable fuels

Explanation:

Answer:

Cancer

Explanation:

It might be said that a genetic mutation that causes abnormal cells that reproduce and divide rapidly, might lead to a cancer. this is associated with an uncontrolled cell growth in a multicellular organism.

(This is an comfirmation for the answer above )

Answer: the conditions at a hydrothermal vent makes it impossible to plants to to grow the need the sun.

Explanation:

Answer:

True.

Explanation:

Answer:

1.pulmonary veins. 2.spleen...

3.antibody 4.systole. 5.haem

Explanation: 1. Veins generally has the role carrying deoxygeneted blood but in our body we have one vein that carries oxygeneted blood ,the important fact to remember is veins take blood into the body .So the vein that carry oxygeneted blood will also carry blood into the heart from lungs and the opening of heart is the left auricle.

2. Spleen is the lymphatic organ close to armpit which helps in defence to body and produces lymph

3.antibody - antibodies are produced by cells of WBC against foreign entity called antigen.

4.systole- the stage of contracted heart is systole and relaxed heart is diastole.

5.heam - the answer is haem because haem means iron and iron imparts redness to blood plasma ,and with globin it form haemoglobin.

The tail of the comet always points away from the sun no matter what direction the comet travels. Because the solar wind always blows out from the sun!

Answer:

True

Explanation:

Altering the stimulus's intensity  is not a way muscle contractions can be graded.

In a graded contraction, you would send the muscle a series of nerve impulses that were higher frequency when you wanted to generate a stronger force. The propagation of impulses would then require more axon brush nerve terminals. An established number of muscle fibers are controlled by each axon brush nerve terminal.

Measurement of muscular strength in persons with a known or suspected neurological disease, such as a stroke, is frequently done using muscle strength grading. However, it can be utilized to help distinguish between real muscular weakness and imbalance or endurance issues in anyone who complains of muscle weakness.

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Most phenotypic traits are complex due to polygenic inheritance and environmental influences.

Phenotypic traits often result from the combined effects of multiple genes (polygenic inheritance) and can be influenced by environmental factors. Punnett Squares, which illustrate single gene pair inheritance, are not suitable for capturing the complexity of such traits. Additionally, environmental factors can interact with genetic factors, leading to variations in trait expression.

To measure complex phenotypic traits, alternative approaches are used. Quantitative measurements, such as height or weight, provide precise numerical values. Statistical analysis helps identify patterns, correlations, and heritability estimates in populations. It involves studying large sample sizes and employing statistical models to understand the contributions of genetic and environmental factors. Molecular genetics advancements have further enhanced our ability to study complex traits at the genetic level.

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Answer:

1. B

2. A

3. C

Explanation:

Answer:

Cell differentiation.

Explanation:

This is because cell differentiation refer to the process where cell changes from one cell types to tissues or organs or even system or specialised cells during a developmental stages to perform functions. It occur in multicellular organisms where zygote changes to tissues or system.

. This occurs through a process called gene expression. Gene expression refer to the combination of genes that can either be expressed or repressed.

Answer:D. And C.

Explanation:

I did it

The characteristics that describe a good index fossil are :

Fossil refers to the remains of dead plants and animals that have accumulated over years or centuries which can be use as fuel, researches, or monuments.

Therefore, The characteristics thatdescribe a good index fossil are :

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The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.

A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.

This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.

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The size of the bacterial population after 80 minutes is 12,000 bacteria. The size of the bacterial population after 5 hours is 96,000 bacteria.

1. Convert the given time to hours:

  - 80 minutes = 80/60 = 1.33 hours

  - 5 hours = 5 hours

2. Determine the number of doubling periods for each time interval:

  - 80 minutes = 1.33 hours -> 1.33 / 0.5 = 2.66 doubling periods

  - 5 hours -> 5 / 0.5 = 10 doubling periods

3. Calculate the population size after each doubling period:

  - For 80 minutes: 1500 bacteria * (\(2^{2.66\)) ≈ 12,000 bacteria

  - For 5 hours: 1500 bacteria * (\(2^{10\)) = 96,000 bacteria

Therefore, the size of the bacterial population after 80 minutes is 12,000 bacteria, and the size of the bacterial population after 5 hours is 96,000 bacteria.

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The statement which best describes the chart is Heat was added to create the product.

What is activation energy?

In the potential energy diagram, the height of the hill between the reactants and the products represents the activation energy for a reaction. The activation energy barrier is another name for the activation energy of a reaction. It is denoted by Ea.

How to reach the activation energy barrier?

Molecules become more energetic and move more quickly as the temperature rises. Therefore, the likelihood that molecules will be moving with the required activation energy for a reaction to occur upon collision increases with increasing temperature.

The statement which best describes the chart is Heat was added to create the product.

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Answer: B.Heat was added to create the product.

Hypothalamus, pineal gland, and thalamus. Sensory abnormalities, visual-field deficiencies, and alterations in behaviour are all potential consequences of thalamic injury.

Thalamus, hypothalamus, subthalamus, and epithalamus are the four principal diencephalon subdivisions. Recognizing sensory stimuli and relaying sensory impulses to the cerebral cortex (apart from olfaction) are the main duties of the thalamus, which is the brain's biggest division.

One of the primary vesicles that create the brain during embryogenesis is the diencephalon. One of the three main germ layers, the ectoderm, is responsible for forming a neural tube during the third week of development.

Here are the structures that make up the diencephalon:

posterior pituitary epithalamus, thalamus, and hypothalamus

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Answer:

It is possible for a perfect flower to be incomplete, but it is not possible for an imperfect flower to be complete.

Explanation:

A flower with male and female parts is called a perfect flower. A flower that is missing male or female parts is an imperfect flower. Plants may have flowers that are complete or incomplete.

The majority of chemist would not find the claim that this form of helium did not release the same number of neutrons as other helium credible because :

The chemists claim is based on conjecture rather than empirical evidence ( B )

The claim made by the chemists is based on conjecture rather than empirical evidence because nuclear fusion is the reaction between  two light nuclei to form  heavy atomic nucleus ( one or more ) . during the reaction between the nuclei the release or absorption of heat reflects the differences in the masses of the reactants and product. It is not dependent on the amount of neutrons released.  

Hence we can conclude that the claim is not credible because the Chemist claim is based on conjecture rather than empirical evidence.

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The system of nuclei visualized in the rostral coronal plane dissection that mediates motor function is the basal ganglia.

The basal ganglia is a group of interconnected subcortical nuclei located deep within the cerebral hemispheres. It plays a crucial role in motor control, coordinating voluntary movements and regulating motor activity. The main nuclei within the basal ganglia include the caudate nucleus, putamen, globus pallidus, substantia nigra, and subthalamic nucleus. In a rostral coronal plane dissection, these nuclei are visualized in their relative positions from anterior to posterior. The basal ganglia receives inputs from the cerebral cortex and thalamus and sends outputs to the motor cortex, thalamus, and brainstem. Dysfunction or damage to the basal ganglia can result in motor disorders such as Parkinson's disease, Huntington's disease, and dystonia.

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A: presence of cell walls B: Ability to obtain nutrients through absorption C: presence of chitin in cell walls D: ability to move

Character A, which separates plants from fungi and animals, is the presence of cell walls. Plants have cell walls composed of cellulose, while fungi and animals do not have cell walls. Character B, Fungi and animals are heterotrophs that obtain nutrients by absorbing organic material from their environment, while plants are autotrophs that can perform photosynthesis.

Character C, that fungi have, but animals don't, is the presence of chitin in their cell walls. Fungi have cell walls made of chitin, while animals do not possess cell walls. Character D, that animals have, but fungi don't, is the ability to move. Animals are generally capable of locomotion, while fungi are non-motile organisms that rely on other means, such as growth and spore dispersal.

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The question is inappropriate; the correct question is:

Eukaryotes Brush up on what you learned about eukaryotes this week! One could easily use the evolutionary tree labeled below to make a dichotomous key to separate the three main eukaryotic kingdoms of Plantae, Fungi, and Animalia. However, the Protista kingdom is a more difficult group to add to a simple key as there are many exceptions (see the right side of the tree). Using the tree above, answer each question below with the correct matching answer. Use each answer only once. 1. What is character A, which separates plants from fungi and animals? 2. What is character B, that both fungi and animals share, but plants don't have? 3. What is Character C, that fungi have, but animals don't? 4. What is character D, that animals have, but fungi don't?

Eukaryotes:

Answer:

c

Explanation:

Answer:

a

Explanation:

Answer:

I THINK it's b but I could be wrong

Answer:

The moon goes through a cycle of eight distinct phases as it orbits around the Earth. These phases result from the changing positions of the Earth, Moon, and Sun relative to each other. Here are the eight phases of the moon:

New Moon: During the new moon phase, the Moon is positioned between the Earth and the Sun, with the side of the Moon facing us not illuminated. From our perspective on Earth, the Moon appears completely dark.

Waxing Crescent: Following the new moon, a small crescent of the Moon becomes visible. This phase is known as the waxing crescent. The illuminated portion of the Moon gradually increases, but it is still a small fraction of the Moon's total surface area.

First Quarter: As the Moon continues its orbit, the first quarter phase is reached. The Moon appears half-illuminated, with the right half visible from the northern hemisphere and the left half visible from the southern hemisphere.

Waxing Gibbous: After the first quarter, the waxing gibbous phase occurs. During this phase, more than half of the Moon is illuminated, but it is not yet a full moon. The illuminated portion continues to grow larger.

Full Moon: The full moon is reached when the Earth is positioned between the Moon and the Sun. The entire side of the Moon facing Earth is fully illuminated, making it appear as a complete circle.

Waning Gibbous: Following the full moon, the Moon enters the waning gibbous phase. The illuminated portion gradually decreases, but more than half of the Moon is still visible.

Third Quarter: The third quarter phase occurs when the Moon has completed three-quarters of its orbit around the Earth. During this phase, the left half of the Moon is visible from the northern hemisphere, while the right half is visible from the southern hemisphere.

Waning Crescent: The final phase of the moon is the waning crescent. Only a small crescent of the Moon is illuminated, gradually decreasing until it reaches the new moon phase again.

It's important to note that the length of each phase varies, with an average duration of approximately 7.4 days. The specific appearance and timing of each phase can be influenced by factors such as the Moon's position in its orbit and the angle at which sunlight reaches it.

Explanation:

Answer:

Yes the Clements successional theory has been subjected to peer review and publication

Yes, the Clements successional theory been subjected to peer review and publication.

Plant succession was characterised by Clements as a developmental process that, during the course of a community, it went through a well-defined series of stages that, in the end, resulted in a mature community, also known as the climax community. The climatic conditions that determined the climax community's existence manifested themselves in the form of an indicator and an expression of that community.

His hypothesis of community formation, sometimes known as plant succession, is what brought Clements the most fame. Even after World War II, Clements' organicism and physiological perspective were still around, albeit in a watered-down version, despite the fact that it was extensively discredited by later ecologists.

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In order to count differential white blood cells, only one blood smear is required.

What is a differential white blood cell count? A differential white blood cell count, also known as a "diff," measures the number of each type of white blood cell in your blood. A diff assists in determining if there is an infection or inflammatory condition in your body, as well as providing insight into other medical concerns.

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