Which of the following is a __________?

Interphalangeal joint
Elbow joint
Tibiofemoral joint
*All of the above

Answer:

They make animals survive hence developing different mechanisms in order for them to survive at a different biological clock. The main difference between nocturnal and diurnal animals is that nocturnal animals are the animals that are most active during the night time while diurnal animals are animals that are most active during the daytime.

Explanation:

Answer:

The first pictures of the Milky Way were taken on May 20, 1990.

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Answer:

A or C i put my bets on A

Explanation:

Answer:

D

Explanation:

D

Answer:

d. Pectoralis major

Explanation: does NOT

Answer:

c is correct

Explanation:

Answer:

4 option is correct

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Answer:

Nucleus

it is responsible for control all the function

Explanation:

The autonomic nervous system controls internal body processes such as the following:

Blood pressure

Heart and breathing rates

Body temperature

Digestion

Metabolism (thus affecting body weight)

The balance of water and electrolytes (such as sodium and calcium)

The production of body fluids (saliva, sweat, and tears)

Urination

Defecation

Sexual response

So predators cannot see it as well

Explanation:

It will affect their ability to survive because...since Jellyfish bodies are transparent, that means they are less visible to predators or threats. Which will affect their way to survive because since they are less visible to predators, it gives them a better chance for survival since their predators can't see them very well. It also gives them a better chance for survival because hunters won't be able to see them well enough to catch them because they blend in with the water, which is called transparent.

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Answer:

d

Explanation:

Buying a new light bulb will cost money so it is economically inefficient. Cleaning the light surface doesn't increase the light output from the lamp and switching off the bulb means no light at all, therfore the answer is none of the above.

Answer:

1 false

2 true

Explanation:

Answer:

Main Causes of Soil Pollution

1. Industrial Activity. Industrial activity has been the biggest contributor to the problem in the last century, especially since the amount of mining and manufacturing has increased.

2. Agricultural Activities. The utilization of chemicals has gone up tremendously since technology provided us with modern pesticides and fertilizers.

3. Waste Disposal.

Explanation:

got the information from the internet

Answer:

Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.

Explanation:

The de-shelled egg when placed in water swells because the concentration of water molecules outside the egg is much higher than the concentration of water molecules inside the egg, as a result of which endosmosis takes place and water from the beaker enters into the egg.

Answer:

Limiting factors fall into two broad categories: density-dependent factors and density-independent factors. ... Other density-independent factors include hurricanes, pollutants, and seasonal climate extremes. Density-dependent limiting factors tend to be biotic—having to do with living organisms.

Explanation:

The two types of limiting factors are density-dependent factors and density-independent factors. These differ in their influence by the size of a population.

A limiting factor is a variable of a system which causes a noticeable change in the output or another measure of a type of system. These are present in a limited amount.

Limiting factors are of two types: Density-dependent factors and density-independent factors. Density-dependent factors have varying impacts according to the size of the population. Density-dependent factors include food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size. Density-independent factors include temperature, altitude, amount of sunlight, etc.

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Answer:

Gene flow

Explanation:

Answer:

Gene flow is the movement of genes into or out of a population. Such movement may be due to migration of individual organisms that reproduce in their new populations, or to the movement of gametes (e.g., as a consequence of pollen transfer among plants).

Answer:  

High blood pressure, cigarette smoking, and high blood cholesterol are still major contributors to the national epidemic of cardiovascular disease. High blood pressure affects approximately 1 in 3 adults in the United States,3 and only about half of them have it under control.

Explanation:

Answer:

The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.

The correct answer based on the question made in the picture is A. the heart beats abnormlly fast.

Tachycardia is a heart condition in which the heart rate increases over 100 beats per minute. This occurs when cardiac impulses do not work properly and this in the long term can cause severe problems.

There are several types of tachycardia, It is not always a problem, sometimes It can be in response to exercise or stress.

In the types of tachycardia we can find: atrial fibrillation, ventricular tachycardia, atrial flutter, supraventricular tachycardia, ventricular fibrillation.

Therefore, we can confirm that the correct answer based on the question made in the picture is A. the heart beats abnormlly fast.

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Answer:

The small intestine absorbs most digested food molecules, as well as water and minerals, and passes them on to other parts of the body for storage or further chemical change. Specialized cells help absorbed materials cross the intestinal lining into the bloodstream.

Answer:

b

Explanation:

Answer:      monosaccharides

Explanation:

Answer:

Bilateral symmetry display cephalization

Explanation:

Answer: Plants respire at night.

Explanation:

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In Plants photosynthesis can only take place in the presence of sunlight during the day, respiration happens all day long, hence option c is correct.

Plants' respiration is visible at night and day, plants consume oxygen during respiration while also releasing carbon dioxide. Both photosynthesis and respiration take place during the day.

However, only respiration takes place at night, which uses oxygen. A sequence of chemical processes known as cellular respiration converts glucose into ATP, which may then be utilized as energy for a variety of bodily functions.

Glycolysis, citric acid cycle, and oxidative phosphorylation are the three basic processes that take place during cellular respiration.

Therefore photosynthesis takes place during the day but plants respire all the time, hence option c is correct.

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Answer: the answer is C which is “the magmatic pressure decreases“

The magma rises and collects in chambers within the crust and as magma fills the chamber, pressure grows. If the pressure gets high enough  the magma can break through the crust and spew out in a volcanic eruption., but If the pressure is low, do not break the crust. Thus the correct option is C.

Magma is a molten and semi-molten rock mixture present under the surface of the Earth.

This mixture is usually made up of four parts such as a hot liquid base, called the melt,  minerals crystallized by the melt, solid rocks incorporated into the melt from the surrounding confines, and dissolved gases.

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Decomposers play a critical role in the flow of energy through an ecosystem. They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers