which of the following are considered a current theory in science
a. conservation of momentum
b. gravity
c. evolution
d. none of the above
Answer: C: Evolution
Explanation:
Because it controls the pituitary gland, the brain's _____ ultimately controls the endocrine system.
The brain's hypothalamus controls the endocrine system by regulating the pituitary gland, which is the master gland responsible for the secretion of hormones that affect other glands and bodily functions.
Because it controls the pituitary gland, the brain's hypothalamus ultimately controls the endocrine system. The hypothalamus is a critical part of the brain that provides a link between the nervous and endocrine systems by controlling the pituitary gland, also known as the "master gland".
This master gland secretes various hormones that influence other endocrine glands such as the thyroid gland and pancreas, which are responsible for essential physiological processes like growth, metabolism, sexual maturation, reproduction, body temperature, and blood pressure regulation. The pituitary gland produces several hormones, including growth hormone, endorphins for pain relief, and hormones that regulate fluid levels in the body, exemplifying its central role in the body's hormonal regulation.
Unlike mammals, fish A. release carbon dioxide. B. need oxygen to survive. C. can take in oxygen from the air. D. utilize gills for gas exchange.
The word part "brady-" in "bradycardia" is considered what part of a medical term?
The correct term for the word part ""brady-"" in ""bradycardia"" is a prefix.
In medical terminology, words are often constructed from a combination of prefixes, suffixes, and root words.
The prefix ""brady-"" is derived from the Greek word ""bradys,"" which means slow. It is used in medical terms to indicate a condition characterized by slowness or a reduced rate. In the case of ""bradycardia,"" the term refers to an abnormally slow heart rate. The prefix ""brady-"" combined with the root word ""cardia,"" which pertains to the heart, clearly describes the condition as a slow heart rate.Prefixes are an essential component of medical terminology as they modify the meaning of the root word and help to specify the exact nature of the medical condition or procedure being described.
Which cell type below is not an example of a somatic cell?
Select one:
a. brain cell
b. kidney cell
c. skin cell
d. sperm cell
1. Which statement best describes saturation? A. Saturation refers to the total rainfall for a year. B. Saturation occurs only in hot, dry climates. C. Saturation refers to the lack of rainfall on a given day. D. Saturation is reached when the amount of water vapor in the air has reached the maximum amount.
Which statement best describes saturation?
Saturation is reached when the amount of water vapor in the air has reached the maximum amount.
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What advantages do flowers give angiosperms over gymnosperms?
what are the 3 types of variables ?
Electrical stimulation of a human’s medial forebrain bundle typically can be expected to produce a subsequence experience of:
Electrical stimulation of a human’s medial forebrain bundle typically can be expected to produce a subsequence experience of the analysis.
It is an instance of medial forebrain package deal of MFB. It is a neural pathway that has filaments from the basal olfactory districts, the peri amygdaloid locale, and the septal cores, and further strands from brainstem areas, inclusive of the ventral tegmental zone.
What is seperate evaluation ?Separate evaluation of every affected person continually confirmed a frequency based sample with a DBS-brought about boom of PPI at 60 Hz and unchanged PPI at 20 or one hundred thirty Hz, compared to sham stimulation.
Thus it is well explianed.
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Which of these minerals would you use to make wallboard for the interior walls of your house?
The mineral used to make wallboard for house interior walls is gypsum (option c).
To make wallboard for the interior walls of a house, you would use the mineral gypsum (option c). Gypsum, or calcium sulfate dihydrate, is a sulfate mineral that is used in construction materials such as plaster and drywall. Wallboard made from gypsum is commonly referred to as sheetrock.
If you were building a house with a basement, you would typically prefer the dominant clay mineral of the soil on your lot to be kaolinite rather than bentonite. Kaolinite is a clay mineral that is less prone to swelling and water absorption compared to bentonite, making it more stable and preferable for a foundation.
Explain how a GIS can model the relationship between a natural resource and an observed change. Include an example of a change in the availability of a specific natural resource and a specific observation of nature.
Answer:
Water in a river can be traced through GIS
Explanation:
With the improvement in observational tool, GIS technique has proved exceptionally helpful in tracing the natural resources. The pixels number and color help us to trace the changes in quantity as well as quality.
For example -
Suppose, a river and its channel is being traced through GIS.
In year 1991, the number of pixels covering a certain area and of sky blue color signifies large volume , area of water and its good quality respectively
However, after 10 years image of same are may show a change in previous observation such as reduction in number of blue pixels and also change in color from blue to red signifying increase in pollution level.
GIS can be used in analyzing the data that are related to the place where a natural resource is gotten.
A geographic information system is important as it helps in the capturing, storage, and display of the data that are related to a particular position on the surface of the Earth.When natural resources are found in an area, the geographic information system can be used in getting further information about the area. A geographic information system can also be used in the management of natural resources as they give spatial data which are necessary to know the disasters that have taken place in such an area before.In conclusion, GIS is beneficial in natural resource management.
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How do living things use each type of nucleic acid
The emt shows correct understanding of the circulatory system when he identifies the primary function of the heart as:
What organ would blood clots from the lower legs have to pass through to get to the lungs?
What is a group of cells working together called?
A group of cells working together are called TISSUES
LEVEL OF ORGANIZATION:
The level of organization of life is structured in such a way that life is arranged from the simplest to the most complex. The level of organizations of life are as follows:CELL: Cell is the simplest and basic unit of life. TISSUE: Tissue is a collection or group of cells working together.ORGAN: Organs are a group of tissues performing similar function.
ORGAN SYSTEM: System is a group of organs working closely together to perform a function.
The order from simplest to most complex is as follows:
Cell → Tissue → Organs → Organ system
Hence, a group of cells working together are called TISSUES.
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The _____ are pure forms of matter that cannot be broken down into simplier substances.
How deep below Earth's surface do rocks melt?
Match each word with its synonym
Tiles: prevalent , requisite, propagate
pairs: necessary, widespread, spread
Please someone help
Prevalent = Widespread
Requisite = Necessary
Propagate = Spread
John tyndall discovered that intermittent boiling (cycles of heating and cooling) can kill bacterial endospores. this is a result of
What structure is found in both plant and bacterial cells have but not animal cells?
The structure that is found in both plant and bacterial cells but not animal cells is the cell wall. Animal cells have cell membranes instead of a well-developed cell wall.
What do you mean by Plant cell?A Plant cell may be defined as a eukaryotic cell that possesses a true nucleus and certain organelles to accomplish specific functions.
Both plant and bacterial cells are surrounded by a rigid cell wall. The cell wall serves to protect the cells and give them shape. Cell walls in plants are made up of cellulose, while cell walls of bacteria are made up of peptidoglycan.
Therefore, the structure that is found in both plant and bacterial cells but not animal cells is the cell wall. Animal cells have cell membranes instead of a well-developed cell wall.
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Succession is _______. a. harmful to ecosystems b. a natural recovery process c. unnecessary for ecosystem recovery d. a one-time event
Succession is a natural recovery process. So, the correct option is (B).
What is an ecosystem?Ecosystem is the study of interaction between population or organisms and the environment. It is the structural and functional unit of ecology.
Examples of ecosystems are: aquatic ecosystem, coral reef, desert, forest, human ecosystem, littoral zone, marine ecosystem, rainforest, savanna, urban ecosystem and others.
It consists of two components:
1. Abiotic components
2. Biotic components
1. Abiotic components- It consists of non-living components. For Eg., rocks, soil, minerals, water sources, and the local atmosphere.
2. Biotic Components- it consists of living components which are of two types- Prokaryotic and eukaryotic cells. Eukaryotes having membrane bound organelles while prokaryotes lack membrane bound organelles.
Thus, succession is a natural recovery process. So, the correct option is (B).
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Based on water temperatures, currents, and the potential kelp forest locations, identify one location where upwelling is most likely to take place. Explain your reasoning
The most likely location for upwelling would be a coastal area with the right combination of wind patterns, ocean currents, bathymetry, and the presence of kelp forests, all of which point to the presence of nutrient-rich, cold water being upwelled to the surface.
Upwelling typically occurs at the coast where wind-driven currents move away from the land, allowing deeper, colder, and nutrient-rich water to rise up and replace the surface water. This phenomenon is common in areas with persistent winds that blow parallel to the coastline in a direction that causes the surface water to move offshore due to the Coriolis effect. The Coriolis effect is a force that acts on objects moving in a rotating system, such as the Earth, and it causes the water to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
Kelp forests are often found in these areas because they thrive on the abundant nutrients brought to the surface by upwelling. The ideal location for upwelling would therefore be a coastal region with:
1. Persistent winds that blow parallel to the coastline and in the correct direction to push surface water offshore.
2. A steep continental shelf that allows deep water to be brought up closer to the surface.
3. Cooler sea surface temperatures, which can indicate the presence of upwelled water.
4. The presence of kelp forests, which are indicators of nutrient-rich waters.
By analysing these factors, one can determine the most likely location for upwelling. For example, if the potential kelp forest locations are found along a western coast of a continent in the Northern Hemisphere, and there is evidence of cooler sea surface temperatures and persistent northward winds, then this area would be a prime candidate for upwelling. The cold, nutrient-rich water rising to the surface would support the growth of kelp forests, and the presence of these forests would in turn help maintain the upwelling conditions by providing a physical structure that can dampen wave energy and reduce the mixing of the water column, allowing for more efficient nutrient utilization by the kelp.
The passing of traits from parents to their children is a biological process called _____.
Answer: Heredity
Explanation: I took the PE test
Which process occurs only in autotrophic organisms? Calvin cycle chemiosmosis Krebs cycle proton pump mechanism
Bob is curious about why his white bread grows mold so quickly. So he asks a question, does some research, creates a hypothesis, and sets up his experiment. He wants to see if his white bread will grow mold in the refrigerator. So he takes one piece of bread and puts it in the refrigerator. He records how much mold grows on the bread each day. He concludes that it takes his bread 10 days to grow mold in the refrigerator. What is Bob missing in his experiment?
A. More Research
B. A Dependent Variable
C. A Control Group
D. An Independent Variable
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Which Information Processing Model pillar does the scenario describe? Jack got a flat tire while driving. He did not know how to change it, so he had to wait for his dad to come help. Jack watched how his dad put the new one on. Jack was riding with his friend the following week when they got another flat. This time, Jack was able to change the tire by himself.
A. Thinking
B. Analysis of Stimuli
C. Situational Modification
D. Obstacle Evaluation
The Information Processing Model pillar described by Jack’s scenario is C. Situational Modification, as he applied the knowledge gained from observing his dad to a new situation.
The scenario describing Jack learning to change a tire after observing his dad corresponds to C. Situational Modification in the Information Processing Model pillars. This pillar pertains to how an individual may use the knowledge or skills acquired from previous experiences to adapt to new situations. In the given scenario, Jack encountered a flat tire, did not know how to change it, and observed his dad performing the task. The following week, when faced with a similar situation, Jack was able to apply what he had learned through observation and successfully changed the tire himself. This showcases his ability to modify his response to the situation based on the information he processed during the first event.
Science differs from other disciplines, such as history and the arts, because science relies on A. facts. B. testing explanations. C. observations. D. theories.
Answer:
B. testing explanations
Explanation:
Aristotle defines science as "knowledge of causes by causes. It is demonstrative knowledge".
Science consists of three components: observation, experimentation and laws. It aims at the union between theoretical knowledge, practice and technique. It does not use assumptions, but verification after applying the scientific method.
In short, science is the knowledge that explains phenomena according to laws that have been verified by experimental methods. Accordingly, we can say that what differs science from other subjects such as arts and history is that science depends on testing explanations.
What is the correct sequence of order in an organism from smallest to largest?
Glands that have lost contact with a body surface are called ____________ , and secrete their products into capillary rich interstitial spaces for quick distribution throughout the body.
A nurse teaches an elderly client safety tip to prevent falls. which physiologic change may have occurred in the client