Answer is D. A chemical signal is transmitted between the cells of two organisms
Intercellular communication is a process of communication between two cells of the same organism. The two cells communicate when a single molecule is received by a signal reception at a short distance or long distance to produce cellular response.
Transmission of a chemical signal between the cells of two different organisms is not an example of intercelluar communication.
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[ :blank: ] is the gradual change in the types of species that live in a community. This can include primary and secondary situations.
Answer:
Evolution and/ or mutations can cause change within species over time
Answer:
succession
Explanation:
hope it helps
Why does the phase of the moon affect tides
Answer:
When lunar and solar tides act against each other, the result is unusually small tides, called neap tides. There is a new Moon or a full Moon about every two weeks, so that's how often we see large spring tides. When the gravitational pull of the Sun and Moon are combined, you get more extreme high and low tides.
Explanation:
Marble is a metamorphic rock. Describe how a metamorphic rock.
Answer:
The metamorphic rocks are the secondary rocks that are formed when a rock undergoes changes due to the changing heat and pressure conditions. They are derived from either sedimentary or igneous or other metamorphic rocks. For example, Quartzite, Marble, Schist and Gneiss.
The metamorphic rock marble is formed when the sedimentary rock named limestone undergoes changes because of the increase in the temperature and pressure condition. Marble is widely used in the sculptures, paving stones, and also to make monuments.
What are examples of symbiotic relationships with Golden Lion Tamarins?
What are the two common types of microscopes and what are the differences between them?
Brightfield microscopes and light microscopes are the two common types of microscopes. Brightfield microscopes produce a dark image on a bright background and are commonly used in laboratories. Light microscopes encompass various types and use light to visualize images in diagnostics and research.
Explanation:The two common types of microscopes are brightfield microscopes and light microscopes.
Brightfield microscopes are compound microscopes that produce a dark image on a bright background. They are commonly used in laboratories and can have either a single eyepiece (monocular) or two eyepieces (binocular).
Light microscopes encompass various types such as brightfield microscopes, darkfield microscopes, phase-contrast microscopes, differential interference contrast microscopes, fluorescence microscopes, confocal scanning laser microscopes, and two-photon microscopes. These microscopes use light to visualize images and are used in diagnostics and research.
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How do scientific knowledge change over time? and what impact do these changes have on society?
Which statement best defines a cell?
A, an independent functional unit of life
B, a crystal-like structure that exists in all living things
C, the smallest organelle of all living organisms
D, the basic unit of structure and function in all living things
The statement that best defines a cell is as follows:
It is the basic unit of structure and function in all living things.Thus, the correct option for this question is D.
Who discovered the cell?An English Scientist Robert Hooke in 1665 first discovered a dead cell in a thin slice of the bottle under a microscope. Antony Von Leeuwenhoek discovered the living cell in 1674 with the help of an improved version of microscope.
The word Cell is derived from the Latin word Cellula which refers to a little room. All living organisms are made up of cells. So, the cell is considered the basic structural and functional unit of life.
Apart from this, two famous scientists named M. J. Schleiden and T. Schwann after a detailed study of plant and animal cells discovered a theory known as Cell theory.
Therefore, the basic unit of structure and function in all living things is a statement that best defines a cell. Thus, the correct option for this question is D.
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what is a factor that affects soil development
3. How do living things contribute to the water cycle?
The four valence electrons of a carbon atom are in its innermost/outermost energy level
Valence electrons are defined as the electrons are present in the last shell of the atom and are available for bonding.
The valence electrons of carbon are present in the outermost shell of carbon.
The valence electrons of carbon can be explained as:
The carbon has four valence electrons in its outermost shell. the carbon is a tetravalent atom, which can make four bonds to complete its octet. The atomic number of carbon is 6, which means in shell 'K', it has 2 electrons, and L shell has 4 electrons. Thus, a carbon atom will require four electrons to complete its octet.
Thus, carbon has 4 electrons in its outermost shell or energy level.
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The end products of fermentation in yeast are
a. carbon dioxide and water
b. glucose and oxygen
c. carbon dioxide and alcohol
d. alcohol and oxygen.
summer occurs when earth is closest to the sun and winter occurs when earth is farthest from the sun true or false
Please Help me. i have this due tomorrow. its been a bad day for me:
D: Pleaseeee
With these explanations, we have determined that Diagrams A and B represent single elements, Diagram D represents a compound, and Diagram C represents a mixture. Diagrams A and D differ in that A is a pure element with identical atoms, while D is a compound with atoms of two different elements bonded together.
To answer the questions based on the diagrams provided in the image, let's go through them one by one:
Question 2: Interpret Diagrams
Which diagram or diagrams represent a single element? Explain.
Answer:
- Diagram A represents a single element because all the balls (atoms) are of the same color, indicating they are all atoms of the same element.
- Diagram B also represents a single element, with all the balls being the same color, indicating they are the same kind of atom.
Question 3: Compare and Contrast
How do the atoms in Diagram A differ from those in Diagram D?
Answer:
- In Diagram A, all the atoms are the same color, indicating they are all of the same element. There is no indication of bonding or interaction between the atoms.
- In Diagram D, there are atoms of two different colors, indicating two different kinds of atoms. The arrangement suggests that the atoms are bonded, forming molecules of a compound.
Question 4: Apply Concepts
Which diagram or diagrams represent a mixture? Explain.
Answer:
- Diagram C represents a mixture because it contains balls (atoms) of more than one color, indicating more than one kind of atom, but there is no indication that the different atoms are bonded to each other, which suggests a physical combination rather than a chemical one.
The density of a quart of water and a teaspoon of water are?
Which biome contains many low growing plants that stay close to the ground for warmth? A) tundra B) savanna C) deciduous forest Eliminate D) tropical rain forest
i think it is tundra
Tundra biome contains many low growing plants that stay close to the ground for warmth.
What is a Tundra Biome?The tundra is a cold, treeless biome found in the northern hemisphere, characterized by long, harsh winters and short, cool summers. The ground is permanently frozen, with a layer of moss, lichen, and a few hardy plant species such as mosses, lichens, and shrubs adapting to these conditions.
Wildlife in the tundra includes species such as caribou, Arctic foxes, and migratory birds. Despite its inhospitable climate, the tundra plays a critical role in the global ecosystem, acting as a carbon sink and helping regulate the Earth's climate. However, the tundra is also vulnerable to the impacts of climate change, with rising temperatures causing changes in the timing and duration of seasons, affecting the plants and animals that call it home.
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A student brings a specimen and claims it is a living organism . explain how a microscope could be used to determine if the specimen is a living thing .
Most female frogs lay their eggs in water. Male frogs release their sperm into the water to fertilize the eggs,This is an example of?
Answer:
external fertilization
Explanation:
What system does kidney disease affect? A. circulatory system B. respiratory system C. excretory system D. nervous system
NEED ANSWER RIGHT NOW PLEASE!!!!
The answer is C. Hope I'm not too late, haven't been on Brainly much.
How can a single cell bacterium grow and reproduce exponentially
Single cell bacteria can grow and reproduce exponentially through binary fission, a process where one cell divides into two. Under ideal conditions, this can result in a large population increase, from 1000 to over 16 billion in just 24 hours. This results in a J-shaped growth curve showing the accelerating rate of growth.
A single cell bacterium can grow and reproduce exponentially through a process called binary fission. In ideal conditions, such as when a bacterial population is provided with an unlimited supply of nutrients, one bacterium can divide into two. This division can take as little as 20 minutes to an hour for many bacterial species, including E. coli. When 1000 bacteria are placed in a large flask with plenty of nutrients, the number of bacteria will double after just an hour. This exponential growth results in a geometric progression of population size because each successive generation doubles in number. The rate at which the population grows is accelerating, meaning that more organisms are added with each new generation.
For example, after one hour, 1000 bacteria become 2000. After two hours, the 2000 bacteria would become 4000, after three hours 8000, and so on. This exponential growth would result in the number of bacteria skyrocketing from 1000 to more than 16 billion in just one day, assuming they could divide every hour. Such rapid growth produces a J-shaped curve when the population size is plotted over time, illustrating the accelerating growth rate.
How do organisms contribute to the carbon cycle?
A. through metabolic processes
B. through the diffusion of hydrogen ions
C. by reflecting light
D. by splitting water molecules
Answer: A. Through metabolic processes.
Explanation:
Carbon is a chief component of the biomolecules present in the organisms. Also it is released in the form of product in the metabolic process called respiraton into the atmosphere. The plants take up carbon in the form of carbon dioxide from the atmosphere for conducting a metabolic process called photosynthesis. This maintains the balance of carbon in nature and in carbon cycle.
based on their chemical formulas, which of these compounds is not likely to be an ionic compound: KBr, SO2, or AlCl3? explain your answer.
Sulfur dioxide (SO₂) is not likely to be an ionic compound because it is composed of two nonmetals, sulfur and oxygen, making it a covalent compound.
To determine which of the compounds KBr, SO₂, or AlCl₃ is not likely to be an ionic compound, we look at the types of elements involved. Ionic compounds are typically formed between metals and nonmetals. Potassium bromide (KBr) and aluminum chloride (AlCl₃) both have metals (K and Al, respectively) and nonmetals (Br and Cl, respectively), so both are likely ionic. However, sulfur dioxide (SO₂) consists of two nonmetals, sulfur (S) and oxygen (O), suggesting that it is not ionic but a covalent compound.
If an intercellular signal relies on some type of receptor to enter the cell, what happens next?
A. The signal produces an enzyme that spreads the message.
B. The signal is decoded by a hormone and then recoded for the ribosomes
C. The signal is transferred to an adjacent cell where it is interpreted.
D. The signal is delivered and intracellular communication takes over.
The correct answer is option C. The signal is transferred to an adjacent cell where it is interpreted.
The cell signals are produced in many forms. The intercellular signals, which rely on the receptors to produce their effects, are generally secreted in the close proximity of the receptor cells. These signal molecules are transferred to the adjacent cells, where it binds to the receptor and binding of the molecules to the receptor causes the activation of the recipient cells.
What provides instructions to a eukaryotic about living and growing
What is the source of nearly all of the energy for producers and consumers? A) oxygen B) plants C) sunlight D) water
4. If a single-celled saltwater organism is placed in freshwater, it will not be able to survive. Which statement explains why this is true? *
1 point
A The organism’s cell will absorb too much water through osmosis.
B The organism’s cell will release too many hydrogen ions through diffusion.
C The organism’s cell will release too much water through facilitated diffusion.
D The organism’s cell will absorb too many sodium ions through osmosis
Write a Definition for cellular respiration in your own words.
t. Write a Definition for cellular respiration in your own words.
2. What Living things carry on the process of cellular respiration?
3. Write the chemical equation for cellular respiration identifying thereactants and products.
Final answer:
Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy. Living things that carry out cellular respiration include plants, animals, and microorganisms.
Explanation:
Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy in the form of ATP. It is the process through which living organisms obtain energy from their food.
Living things that carry on the process of cellular respiration include plants, animals, and microorganisms.
The chemical equation for cellular respiration is: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP. The reactants are glucose (C₆H₁₂O₆) and oxygen (O₂), and the products are carbon dioxide (CO₂), water (H₂O), and ATP.
Classify the following as either a specific or a nonspecific defense of the body's immune system.
• skin
• macrophages
• bacteria • mucous
• fever
• B cells • T cells
• antibodies
how do you classify the defenses as non-specific defense and specific defense?
The Phoenix area of the Southwestern desert typically receives 8 inches of precipitation yearly, in two seasonal patterns. Even though it is an arid region, it has high biological diversity. Thin-leaf trees abound, such as palo verde and desert ironwoods. Wide varieties of cactus thrive, including the cholla, p-r-i-c-k-l-y pear, and saguaro. Wildlife includes insects, reptiles, many bird species, small rodents, and other mammals. Which element in the Southwestern desert ecosystem is abiotic?
A.Populations can have negative effects on their environment.
B.Populations can affect the size of other populations.
C.Populations have no effect on their environment.
D.Populations can adapt to changes in the environment.
The element in the Southwestern desert ecosystem is abiotic a Rainstorm.
This is further explained below
What is a rainstorm?A rainstorm can be simply defined as a meteorological condition characterized by high winds and heavy rain
In conclusion, The rainstorm is an element in the Southwestern desert ecosystem that is abiotic.
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Final answer:
The abiotic element in the Southwestern desert ecosystem is the low and unpredictable precipitation. This affects both plant and animal adaptations, making them suited to the arid conditions.
Explanation:
The element in the Southwestern desert ecosystem that is abiotic is the precipitation pattern. Abiotic factors are the non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. In the Southwestern desert, low and unpredictable precipitation is a significant abiotic factor that influences the biome. This arid region receives only about 8 inches of precipitation yearly, often in two seasonal patterns. The vegetation and animal diversity is closely adapted to these challenging conditions. For instance, plants such as cacti, sagebrush, and mesquite have deep roots, reduced foliage, and water-storing stems, while many animals exhibit nocturnal behavior or burrowing to escape the heat and retain moisture.
What is the meaning of life.
Hello There!
The question you asked can be thought of as a subjective question.
Now, many people have a different view of life. Each religion has slightly different beliefs about how the world began. In my opinion, the meaning of life is how you can make it, and who you want to be as a person in society. Nobody can decide what things you should or should not do except for you. Life is about being happy with yourself. In life, you are meant to discover who you are and learn more about yourself.
Where on earth are single-celled organisms generally found?