Biological evolution is the process by which populations of organisms change over time. How could natural selection lead to the evolution of a species?
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WHY do biofilms form? Please don't tell me HOW it forms. I just want to know WHY it forms.
The biofilm can present one of the most important species of microorganisms, depending on the duration and its location. Gram-positive, Gram-negative and yeast. In addition, the cellular elements may be attached to the biofilm, such as platelets, for example, when the biofilm is installed on the blood-soaked surface.Several factors contribute to the formation of biofilms. The biofilm can present one of the most important species of microorganisms, depending on the duration and its location. Gram-positive, Gram-negative and yeast. In addition, the cellular elements may be attached to the biofilm, such as platelets, for example, when the biofilm is installed on the blood-soaked surface.Several factors contribute to the formation of biofilms, depends primarily on the number and type of cells present in the liquid to which the surface is exposed and the rate of flow of this liquid across the surface. The physical chemical properties of the surface, the nutritional composition and ambient temperature will also interfere with this speed. The presence of antimicrobials in the medium may affect the formation of biofilms.
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Why would damage to the nervous tissue in the spinal cord lead to paraysis
A large stored sugar found in plant roots, fruits and seeds
By what process are animal wastes and dead organisms converted to other nitrogen containing compounds ?
Answer:
Decomposing
Explanation:
When bacteria starts to break down the dead matter from organisms, this is called decomposing
Animal wastes and dead organisms are converted to other nitrogen-containing compounds through ammonification, nitrification, and denitrification, involving various microorganisms that complete the nitrogen cycle.
Animal wastes and dead organisms are converted to other nitrogen-containing compounds through a multi-step process involving different types of microorganisms. First, ammonification occurs, where bacteria and fungi convert organic nitrogen into ammonia (NH3). This ammonia then undergoes nitrification, carried out by bacteria such as Nitrosomonas, turning ammonia into nitrites (NO2) and then into nitrates (NO3). Finally, through the process of denitrification, bacteria like Pseudomonas and Clostridium convert nitrates back into gaseous nitrogen (N2), which re-enters the atmosphere, completing the nitrogen cycle.
explain how triose phosphate is produced and used in the chloroplasts of a plant.
Triose phosphate is produced in chloroplasts through the Calvin cycle in photosynthesis. One molecule is exported for other compounds, and the rest are used to regenerate RuBP.
Explanation:Triose phosphate is produced in the chloroplasts of a plant through the Calvin cycle during photosynthesis. During the regeneration stage of the Calvin cycle, three molecules of triose phosphate are produced from six molecules of G3P (glyceraldehyde-3-phosphate). One molecule of triose phosphate is exported and used in the cytoplasm to form other compounds needed by the plant, while the remaining five molecules are used to regenerate RuBP (ribulose-1,5-bisphosphate), which allows the system to continue fixing carbon dioxide.
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suppose you were getting ready for a soccer game and wantedto have a snack that would give you energy for the entire game which snack should you eat a container of yogurt with some cheese ot hard candy with soda pop
Answer:
The better choice is the yogurt and cheese. Fats like yogurt and cheese have more energy stored in them than sugars do and this energy can sustain you longer.
Explanation:
sample response on edgenuity
which of the following is NOT a principle including in the modern cell theory
Of the following given choices;
I.All cells arise from other cells.
II. All living cells require water for survival.
III. All living things are only composed of cells
The answer is; II and III
While these are also characteristics of cells, cell theory, a historic (17th century)theory, was used proved that cells emanated from other cells. The theory is accredited to Matthias Schleiden and Theodor Schwann. It was a major disapproval from the previously popular theory of spontaneous generation.
The other tenets of this theory include;
All living organisms are composed of one or more cells.
The cell is the basic unit of structure and organization in organisms.
Which most closely defines habitat?
A. a role that an organism has within its community
B. a unique environment in which an organism lives
C. how the population makes its living within its community
D. how the population meets its needs within an ecosystem
is not a function of the skeletal system:? a. manufacture of red blood cells b. protection c. support d. synthesis of growth hormones
are organisms that contain more than one cell with membrane-bound organelles and a nucleus.
eukaryotes are organisms that contain more than one cell with membrane-bound organelles and a nucleus.
Eukaryotes are organisms with cells that contain a membrane-bound nucleus and organelles. They can be unicellular or multicellular and are distinct from prokaryotes, which lack a nucleus and membrane-bound organelles. Eukaryotic cells are typically larger and more complex than prokaryotic cells.
Organisms that contain more than one cell with membrane-bound organelles and a nucleus are known as eukaryotes. These organisms can be made up of a single cell or can be multicellular. They are characterized by having a nucleus that contains the organism's genetic material and is surrounded by a complex nuclear membrane. Additionally, eukaryotic cells contain several other membrane-bound organelles, such as mitochondria, endoplasmic reticulum, and Golgi apparatus, which perform specific functions necessary for the cell's survival and operation.
Eukaryotic organisms include a vast array of life forms including protozoa, fungi, plants, and animals. A significant difference between eukaryotes and prokaryotic cells, such as bacteria, is the presence of a nucleus and other membrane-bound organelles in eukaryotes, which are not found in prokaryotes. Eukaryotic cells are typically larger than prokaryotic cells and are the building blocks of complex organisms.
Which of the following can be used by scientists to date the sediment layer they are found in? Select all that apply.
which atoms are in all carbohydrates?
Carbon, Iron, Oxygen
Carbon, Hydrogen, Oxygen
Carbon, Hydrogen, Nitrogen
Nitrogen, Phosphorus, Oxygen
Evolution occurs by a process called ______. a Mixing b Artificial selection c Natural Selection d Artificial Insemination
Evolution occurs through a process called natural selection. The correct option is c.
What is natural selection?Natural selection is the method by which a species adapts to its surroundings. Natural selection causes evolution when individuals with particular traits have a better chance of surviving than those who are not able to adjust to the changes, and these traits are handed on to succeeding generations.
The strongest survive through natural selection, and the most favored traits endure through evolution. (Finches in the Galapagos, as an example. Birds with color preferences for their nests are one example of evolution.
These connected forces changed the genomes of the adapted organisms, giving them specific advantages over the less adapted ones.
Therefore, the correct option is c. Natural Selection.
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The bacteria in a colony are unable to perform conjugation. How would this hurt the bacterial colony's chance for survival?
The bacteria would be more alike, genetically.
Patty has fish pond in her back yard even though the air temperature outside has change 35 degrees from sunrise to sunset the water temperature in the fish pond has only change 2 degrees the reason for this lack of temperature change in the water is that it has a high
it is 33 because you subtract if that is what the question was
Answer:
The correct answer is it has high specific heat capacity.
Explanation:
The amount of heat energy required in joules to raise the temperature by 1 kelvin of a 1 gm substance is called the specific heat capacity. So substance which have high specific heat capacity requires more heat energy to raise their temperature.
Water has very high specific heat capacity due to having lots of hydrogen bonds that are used to make H₂O molecule. So most of the heat energy is used in breaking the hydrogen bonds between the water molecule which restrict the wide change in the temperature of the water bodies.
So high specific heat capacity means more ability to restrict the change in the temperature. Therefore the correct answer is water has high heat capacity.
who Viewed moving objects from pond water under his microscope and named them “animalcules
Antonie van Leeuwenhoek viewed moving objects from pond water under his microscope and named them “animalcules.
Antonie van Leeuwenhoek was a scientist and the first microscopist to observe protozoa and bacteria. He created microscopes that possess a single high-quality lens of small focal length and isolated tiny animalcules (microbes) from various sources such as pond water, well water and rain water. Through his experiments, he also calculated the sizes of the animalcules.
example (wood, neon gas, water)
1. Neon 2. Water 3. Wood; Out of these 3 substances one is a solid, one a liquid, and one a gas. So going from that, the least organized would be neon since a gaseous substance has particles that have no arrangement . The next water, since it is a liquid with minimal arrangement. The most particle-organized substance would be wood since it is a solid.
Which is *not* a kingdom in the Eukarya domain?
A. Archaea
B.Fungi
C.protista
D.plantae
Answer:
The correct answer is option A, Archaea
Explanation:
The Eukarya domain has four kingdoms primarily - Protista, Fungi, Plantae, and Animalia.
Archaea belongs to the Archaeabacteria kingdom which constitutes of unicellular prokaryotic organsims. In the system of classification , Archaea itself constitutes a domain which is further divided into two subdivisions
a) Crenarchaeota and
b) Euryarchaeota
They are unicellular but their characteristics are very different from the bacteria, thus they constitutes an individual set of organisms.
Following is not a kingdom in the Eukarya domain:
A.) Archaea
What is Eukarya?Eukarya consists of plants, animals, and fungi, as well as protists. Cells have an internal architecture based on the membranes and DNA is inside a nucleus.
Archaea are single-celled microorganisms with structure similar to that of bacteria. These microorganisms do not have cell nuclei and therefore belong to prokaryotes. Archaea are anaerobes that is they live in low oxygen environments.
The domain of Eukarya consists of organisms that have a nucleus. Four kingdoms are : Protista,” Fungi, Plantae, and Animalia. Under the harsh environmental conditions, Archaea contribute to the functioning of the ecosystem by performing functions like nutrient cycling, stress response, and phytohormone biosynthesis.
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Biology. Carbohydrates.
Answer:
Amylase
Explanation:
Which systems have the most influence on behavior? Select all that apply.
endocrine
respiratory
circulatory
integumentary
nervous
Answer:
Endocrine system and Nervous system
Explanation:
Endocrine system and nervous system together work to regulate the behaviour of individuals. In general, sex hormones testosterone and estrogen are responsible for gender specific behavioral differences among males and females. The hormones of adrenal gland determine the behaviour of person under stress conditions. Adrenal gland secretes hormones epinephrine and norepinephrine. These hormones target the sympathetic and parasympathetic division of autonomous nervous system to regulate behaviour of person.
Answer:
endocrine and nervous
Explanation:
The ody ssey ware unit material specifically stated these two only and it was graded correct.
unit 3, assignment 1 under section PHYSIOLOGY. Page 7 of assignment printoff, this answer came from the speaker after the second graphic of the video. and is in the printed transcript of the video.
"Although all organ systems are involved in producing a behavior, the nervous and endocrine systems have the most influence"
And that's what the test wants.
Natural disasters can have positive effects on an ecosystem.
yes, for example, an earth quake while devastating can lead to the formation of a mountain or a valley. or a flood can change a landscape in such a way to make it more inhabitable for the local creatures. while natural disasters can help the ecosystem they can also be horrible for them as well.
Yes it can have positive effects.
which of the following best describes the endosymbiont/ endosymbiotic theory?
A. the theory that states that Eukaryotic cells derived from a symbiotic relationship with prokaryotic cells.
B. The theory that states that prokaryotic cells derived from larger prokaryotic cells
C. The theory that states that eukaryotic cells derived from smaller eukaryotic cells
The best description of the endosymbiont/ endosymbiotic theory is the theory that states that Eukaryotic cells derived from a symbiotic relationship with prokaryotic cells. Thus, option A is correct.
What is endosymbiotic theory?
Endosymbiotic theory is also known as the symbiogenesis or serial endosymbiotic theory which has been leading the evolutionary theory of the cell which are eukaryotic and they from the prokaryotic organisms.
According to the endosymbiotic theory in the eukaryotic cell some of the cell organelles were once known as the prokaryotic microbes. The size of the mitochondria and chloroplast are of the same size.
Prokaryotic cell are known as the undeveloped and there are not as developed as the eukaryotic cell and they are not advance as the eukaryotic cell and they do not have developed cell organelles with them.
Therefore, The best description of the endosymbiont/ endosymbiotic theory is the theory that states that Eukaryotic cells derived from a symbiotic relationship with prokaryotic cells. Thus, option A is correct.
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How can stress be beneficial?
Increasing energy
Decreasing heart rate
Increasing digestion
Increasing immune response
Stress is beneficial because it causes ; ( A ) Increasing energy
Stress is beneficial to the human body in varying ways because stress causes the body to releases certain hormones in response to situations possessing threats to the body.
These hormones leads to increase in heart rate and breathing speed. and this feeds our muscles with the required energy needed to respond to the situation.
Hence we can conclude that stress is beneficial because it causes increasing energy in the human body.
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Which of these is a constructive geologic process? A. erosion B. deposition C. weathering D. transportation
Answer:
B. deposition
Explanation:
Answer:
B HAVE A GOOD DAY
Explanation:
Which process is the opposite of inbreeding
The opposite of inbreeding would be hybridization, because it consists of two different types of animal conceiving a child.
The opposite of inbreeding is outbreeding, which involves breeding individuals who are unrelated or less closely related. Outbreeding helps maintain genetic diversity and can be achieved through practices such as crossbreeding or bringing in unrelated individuals. Examples of outbreeding can be seen in agriculture where farmers practice outbreeding to improve crops or livestock.
Explanation:The opposite of inbreeding is outbreeding. Inbreeding refers to the breeding of individuals who are closely related, such as siblings or parent-offspring. In contrast, outbreeding involves breeding individuals who are unrelated or less closely related.
Outbreeding helps maintain genetic diversity within a population and reduces the risk of inheriting harmful traits caused by recessive alleles. This can be achieved through practices such as bringing in unrelated individuals from other populations or species, or practicing crossbreeding between different individuals.
For example, in agriculture, farmers often practice outbreeding to improve crops or livestock by introducing genetic diversity through crossbreeding or selective breeding with unrelated individuals of the same species.
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Which is a biotic factor that characterizes the desert biome?
A.cacti
B.conifers
C.low annual precipitation
D.high annual precipitation
Which compound does a plant absorb during photosynthesis
Answer: C. Carbon dioxide
Explanation:
The carbon dioxide is the compound that plants absorb from the atmosphere so as to produce carbohydrates as a source of food. This entire process is called as photosynthesis. In photosynthesis carbon dioxide, and water are the reactants which produce carbohydrates and oxygen in the presence of sunlight.
which of the following may be associated with the collision of two sections of continental crust?
A.hot-spot volcanoes
B.earthquakes and a mountain rages
C.earthquakes, volcanoes, and trenches
D.trenches and earthquakes
earthquakes and a mountain range
An ecosystem that occurs within shallow tropical waters and supports an abundance of diversity is called a
An ecosystem that occurs within shallow tropical waters and supports an abundance of diversity is called a coral reef.
What is a coral reef?
Reefs are frequently referred to as the "rainforests of the sea" due to the richness of life that can be found there. The health of coral reefs is essential for about 25% of the ocean's fish.
A coral reef is an ecosystem that develops in shallow tropical waters and harbors a wide range of species. Coral reefs are some of the most significant and substantial components of the marine environment (they even have an impact on our daily lives).
They offer a variety of marine animals food and shelter, and they help shield our shoreline from major tropical cyclones.
Therefore, a coral reef is an ecosystem that develops in shallow tropical waters and harbors a wide range of species.e correct option is
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Describe several physical changes that can be made to a silver spoon. Explain why each is a physical change?
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