What is photosynthesis and what are it’s major components
Using at least three sentences, explain the cycling of energy through the processes of photosynthesis and cellular respiration.
Why is it important to define the limits of an ecosystem and what are some examples of those limits?
How many atoms of Hydrogen are found in water? ( H2O) Explain your answer for full points.
why is it important to learn about energy how do we use it in everyday lives
Sketch what you observe when examining the hay infusion using the low-power lens and the high-power lens.
The "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. With the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. However, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.
When examining a hay infusion, the low-power lens provides an overall view of the sample. In contrast, the high-power lens allows for observing the details of individual organisms and their cellular structures.
Explanation:When examining a hay infusion using the low-power lens, you would observe the overall structure and composition of the sample. This lens provides a wider field of view and allows you to see the macroscopic features of the organisms present. On the other hand, when using the high-power lens, you can observe the details of individual organisms and their cellular structures. This lens has a higher magnification power and is ideal for studying microscopic features.
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melting wax
evaporating gasoline
freezing water
These changes are all examples of
A) nuclear changes.
B) physical changes.
C) chemical changes.
D) energy consumption.
All of these are changes that are not changing any of the make-up of the molecules in any fashion. they are only changing the physical state or appearance. They all are B) Physical Changes
which reason best explains why the cell membrane helps the cell maintain homeostasis
The correct answer is:
A. The cell membrane is selectively permeable.
Explanation:
A selectively permeable cell membrane is a cell membrane that concedes certain molecules, and/or ions to pass inside it by means of active or inactive transport. Cell membrane assumes a vital part in saving up the homeostasis by regulating the substances that infiltrate the phone, either opening the phone or leaving the phone.
Using at least three sentences, explain the cycling of energy through the processes of photosynthesis and cellular respiration .
Answer and explanation;
Photosynthesis and cellular respiration are connected through an important relationship. The products of one process are the reactants of the other.
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide.
Cellular respiration and photosynthesis are important parts of the carbon cycle. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Why aren't we overrun with rabbits? what do you think keep the wild rabbits population in check?
Rabbit populations are controlled by natural predators, diseases like the myxoma virus, habitat loss, and human intervention. Predator-prey dynamics and habitat conservation are key aspects of maintaining the balance of rabbit numbers in the wild.
The wild rabbit population is kept in check by several factors, including natural predators, disease, habitat destruction, and human intervention. Predators such as hawks, stoats, ferrets, weasels, and lynxes play crucial roles in controlling rabbit populations by hunting them for food. For example, the population cycles of the snowshoe rabbit and its predator, the lynx, show how predator-prey interactions can impact rabbit numbers. Disease can also regulate rabbit populations; the myxoma virus outbreak in Australia in the 1950s significantly reduced rabbit numbers, though the population did recover to some extent. Additionally, loss of habitat due to human activities like urbanization, intensive agriculture, and the removal of hedgerows and fencerows, which are crucial for providing shelter and food for rabbits, has led to a decline in their numbers. Conservation efforts and public education about maintaining natural habitats can support the preservation of wildlife, including rabbits and their predators.
The passage of salts into and out of cells is most closely associated with the life process of
A) transport
B) respiration
C) reproduction
D) digestion
Answer: transport
Explanation: why because an activity carried on by every living plant and animal respiration a paramecium absorbs materials from its environment and circulates these materials throughout its cytoplasm.
The passage of salts into and out of cells correlates with the biological process of transport. This process, vital for cell homeostasis, includes active and passive transport mechanisms.
Explanation:The passage of salts into and out of cells is most closely associated with the life process of transport. Transport, in biological terms, is the movement of molecules, such as salts, across cell membranes. This process is essential in maintaining a cell's balance, also known as homeostasis. For example, salts are often moved across cell membranes via active transport, which requires energy, or passive transport, which does not. These mechanisms are critical for life processes such as cellular function, nutrient absorption, and waste removal.
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Describe the relationship between ATP and ADP and the importance of this relationship within a cell. (10 points)
ATP and ADP have a significant energy-providing relationship in cells. When a cell needs energy, ATP is broken down into ADP, releasing energy for the cell's usage. The cell then regenerates ATP from ADP during cellular respiration.
Explanation:The relationship between ATP (Adenosine Triphosphate) and ADP (Adenosine Diphosphate) is essential to the energy dynamics within a cell. ATP is known as the 'energy currency' of the cell because it provides energy for biological processes. When a cell needs energy, it breaks down ATP into ADP and an inorganic phosphate, releasing the energy stored in the bond for the cell to use. The significance of this relationship lies in its ability to maintain the energy balance in a cell.
Once ATP has been converted to ADP, it is crucial that the cell restores ATP for future energy needs. The cell does this in a process known as cellular respiration in which glucose and other nutrients are broken down to regenerate ATP from ADP, hence keeping the cycle of energy extraction and recovery going.
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Evolution _____.
A. doesn't happen below the species.
B. is always caused by mutation.
C. is a slow, gradual change over time.
D. happens very quickly.
 This substance makes up the majority of your cells, and is necessary for them to carry out most of their chemical reactions.
What is it?
A)Carbon B)Oxygen C)Sugar D)Water
Answer:
(D). water.
Explanation:
Water makes up majority of all cells and is the most abundant molecule present in a cell along with other major biomolecules. It accounts for about 70% of total cell mass.
Water is necessary for the cells to perform most of their chemical reactions as it acts as a solvent and helps in transport of dissolved compounds from or into the cells.
Thus, the correct answer is option (D).
plss hurry...
what does it mean to say that diffusion eventually results in equilibrium?
What is the connection between the liver (organ), UV radiation (sunlight), and bone tissue?
what process is responsible for building successive rock layers on earth
deposition
faulting
folding
erosion
a population that increases 5 percent every year is said to be experiencing
Can someone please help me with this question?......
A dichotomous key starts with _____ information and leads to _____ information. A) specific, general B) general, specific C) known, unknown D) major, minor
how many genotypes are possible for the offspring
what is a scientific procedure followed to obtain results for analysis. This is also a means to test a hypothesis.
Why and/or how are invasive species of plants introduced to new foreign areas?
How does water pressure variation at the aspirator affect the sublimation procedure?
Name one example of each macromolecule.
In order for conduction to transfer heat from one object to another, what must be true?
The objects should be far apart.
There must be air circulation.
The objects need to be touching.
Solar energy is required.
Given what you know about global-scale convection cells, where would you travel if you were interested in experiencing warm, plentiful rain?
To experience warm, plentiful rain you would travel to areas near the equator, particularly in the tropical rain belt. This is due to the workings of the global-scale convection cells and Hadley cells that create warm and abundant rainfall in these regions.
Explanation:If you are interested in experiencing warm, plentiful rain, you'd travel to areas near the equator, particularly in the region known as the tropical rain belt which is characterized by global-scale convection cells. For example, parts of East Africa like Kenya, Uganda, and regions around Lake Victoria receive a high amount of rainfall annually due to the effects of these convection cells. Convection is a process where heat is transferred through a gas or a liquid by the bulk movement of heated parts of the substance. In the context of the earth's atmosphere, solar radiation heats the earth's surface more around the equator. This warm air rises creating low pressure areas, causing humid winds to blow in, and as the moist warm air continues to rise, it cools down and eventually condenses causing high rainfall. This condensation and the resultant rainfall release heat into the atmosphere driving more convection creating a continuous cycle.
Another characteristic of the global-scale convection cells, apart from producing a band of heavy rainfall around the equator, is that they also drive global weather patterns. These cells, also known as Hadley cells in the equatorial region, contribute to the overall climate of the tropical regions making them warm and rain plentiful, which is what you would experience if you traveled to that geographical location.
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what did the 1980 Mount Saint Helens volcanic eruptions teach environmental scientists?
Planting Douglas fir trees was essential to recovering the forest.
Salvage logging was essential to protecting the area from fire an insect threats.
Seating the slopes was necessary to prevent erosion.
Many of the initial pioneering species actually survived the eruptions.
Answer: Many of the initial pioneering species actually survived the eruptions.
1980 Mount Saint Helens volcanic eruptions were efficient to teach scientists about the ecological relationships and succession after volcanic activity. Charlie Crisafulli was a ecologists who arrived at the volcanic site along with his colleagues to collect ecological data. He noted the development of ecological relationships across the volcanic landmass. He documented the types, amounts and distribution of surviving organisms, which further took forward the responsibility of colonization and succession.
The steps in the melting of an ice-cream bar kept beside a bonfire are listed below:
Step 1: Heat from the bonfire travels to the ice-cream bar
Step 2: Heat travels from one part of the ice-cream bar to the other parts
Which statement is true?
Heat is transferred by convection in Step 1 and by radiation in Step 2.
Heat is transferred by radiation in Step 1 and by convection in Step 2.
Heat is transferred by conduction in Step 1 and by radiation in Step 2.
Heat is transferred by radiation in Step 1 and by conduction in Step 2.
Answer:
Heat is transferred by radiation in Step 1 and by conduction in Step 2.
Explanation:
The statement which is true is that heat is transferred by radiation in step 1 and by conduction in step 2.
What is conduction?Conduction is defined as a process as a means of which heat is transferred from the hotter end of the body to it's cooler end.Heat flows spontaneously from a body which is hot to a body which is cold.
In the process of conduction,heat flow is within the body and through itself.In solids the conduction of heat is due to the vibrations and collisions of molecules while in liquids and gases it is due to the random motion of the molecules ,
When conduction takes place, heat is usually transferred from one molecule to another as they are in direct contact with each other.There are 2 types of conduction:1) steady state conduction 2) transient conduction.According to the type of energy conduction is of three types:
1) heat conduction
2) electrical conduction
3)sound conduction
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What problem would unlimited cell growth pose for a cell
What process uses atomic particles of carbon and uranium to determine exact age?
Answer:
Radioactive dating
Explanation:
Radioactive dating is also know as radioisotope dating. It is a technique used to find out the age or used to date materials such as rocks or carbon by determining the relative amounts of some radioactive elements present in the specimen. By "age" it is meant by time elapsed from when the mineral specimen was formed.