Organisms exhibit homologous structures due to shared evolutionary origins, while analogous structures serve similar functions in unrelated species. Nonliving things are engineered to fulfill specific functions, mirroring the principle of 'form follows function'. Unlike engineered structures, organisms can self-construct and repair, highlighting a key difference between living and nonliving structures.
When comparing the structures of organisms with the structures of nonliving things, such as construction cranes, buildings, ships, airplanes, or bridges, we can observe that both exhibit organization, complexity, and purpose-driven design. In living organisms, structures such as bones and limbs are often homologous structures, meaning they share a common evolutionary origin and can be identified across different species because they exhibit similarities in both form and genetics. For instance, the forelimbs of mammals like humans, cats, and whales all share a basic bone structure, despite their divergent forms and functions.
On the other hand, analogous structures are those which are similar in unrelated organisms due to convergent evolution, serving comparable functions without a common evolutionary origin. An example is the wings of bats and birds; both perform the function of flight but have evolved independently with different bone patterns. In contrast, human-engineered structures are the result of deliberate design processes to fulfill specific functions, such as lifting weights in the case of construction cranes or supporting heavy loads for bridges, showing parallels to the principle of 'form follows function' in biology.
Comparative anatomy has revealed striking similarities between different organisms, reflecting both the diversity and unity of life forms. For instance, a dragonfly's wings and a dolphin's bones both express adaptations for movement, analogous to the structural design of bridges or airplane wings which must support dynamic stresses. However, unlike human-designed structures, living organisms have the unique ability to construct and repair themselves through biological processes, showcasing the profound distinction between biological life and inanimate constructs.
Which organelle prepares proteins into vesicles to transport from one area to another?
A. Golgi apparatus
B. chloroplasts
C. mitochondrion
D. rough endoplasmic reticulum
Which level of organization is made of different types of tissue working together to perform a specific job for your body
all organism have a genetic code carried in molecule called
What are the general mathematical operations you use when converting from SI unit to another
Jack is seeing in onion cell under a microscope. He observes formation of a cell plate he is observing which phase of the cell cycle
You are walking down a wooded path you notice a large depression in the ground that has burn Mark's along the outside. What caused the hole?
Some sort of thing that involved fire. Maybe the wood caught on fire.
Which kind of organism is a heterotroph?
Answer:
Heterotrophs are defined as those organisms that cannot prepare their own food. It is because they cannot carry out the process of photosynthesis. They are depended either directly or indirectly on the producers (autotrophs) as they obtain their food and energy from the autotrophs, in order to survive.
In term of the food chain, the heterotrophs are usually considered as the secondary as well as the tertiary consumers. The heterotrophs include the Herbivores (such as sheep, horse), carnivores (such as lion and tiger) and the omnivores (humans and microbes).
Humans and other heterotrophs get their energy from eating food. What process in human body cells transfers the energy stored in a grilled cheese sandwich to ATP? What chemical equation summarizes this process?
Students planted three bean seeds after several days, they observed that the seeds' roots were growing downward into the soil which type of tropism were the roots displaying
A. Geotropism
B. Thigmotropism
C. Phototropism
D. Photoperiodism
Clear-cut logging is a method of cutting down all the trees in a particular area. This type of logging is MOST LIKEY going to effect which earth process?
A. erosion
B. climate
C. weathering
D. mountain building
Answer:
Erosion
Explanation:
Clearcutting can destroy an area's ecological integrity in a number of ways, including: the destruction of buffer zones which reduce the severity of flooding by absorbing and holding water; the immediate removal of forest canopy, which destroys the habitat for many rainforest-dependent insects and bacteria; the removal ...
Clear-cut logging is most likely going to affect the earth's process of erosion. Therefore, option A is correct.
What is clear-cut logging?Clear-cut logging is most likely going to affect the earth's process of erosion. This is because when all the trees in a particular area are cut down, there is no longer any vegetation to hold the soil in place.
As a result, rainwater and wind can easily erode the soil, leading to increased sedimentation in nearby streams and rivers, and potentially causing flooding and landslides.
Additionally, the removal of trees can alter the hydrological cycle, as there is less transpiration of water from the leaves and less interception of rainfall, which can lead to changes in streamflow and water availability. Therefore, option A is correct.
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Lillian wonders how fast a train can move around a particular curve before it falls off of the track. Which of the following is the best way for Lillian to figure this out?
A.Drive a train along a curve at different speeds until it falls off of the track.
B.Build a model train and track, and test one train going around one curve at different speeds.
C.Build a model train and track, and test one train going around several different curves at one speed.
D.Build a model train and track, and test different-sized trains going around one curve at the same speed.
Answer:
B.Build a model train and track, and test one train going around one curve at different speeds.
Explanation:
If Lillian wants to know how fast a train can move around a specific curve before it falls off the track, she must build a model of train and track and through that model she will test a train traveling through a curve at different speeds. That way she can analyze in detail the phenomenon she wants to observe and get answers.
She should never drive a train along a curve at different speeds until it falls off the track, because that would be very dangerous and irresponsible. For this reason, models are great for people to be able to analyze phenomena and situations that would not be right to analyze in real life.
Why would a diverse community be more resistant to disease, predation, and invasion
what is the function of DNA, and how does the structure of DNA influence its function
DNA serves functions in inheritance and protein synthesis. Its structure, a double helix, determines its function through the arrangement of nucleotides.
Explanation:DNA serves two essential functions: inheritance and protein synthesis. DNA is responsible for passing genetic information from parent to offspring, and it is replicated with high accuracy to maintain the integrity of this information. DNA also directs the construction of proteins necessary for cell growth and reproduction.
The structure of DNA influences its function through the arrangement of nucleotides. DNA is composed of two strands that form a double helix. The sequence of nucleotides along the strands encodes the genetic information. The specific base pairing between nucleotides ensures accurate replication and protein synthesis.
Does anyone know the answer to this ? What happens if you poke a hole in the plastic bottle of a balloon lung model?
A machine will always increase the force required to complete a task.
true or false
What is true about the structure or function of the plasma membrane
A. Large molecules often cross the plasma membrane while inside vesicles
B. Hydrophobic molecules keep the cell from getting too much water
C. The bilayer structure forms a solid boundary that separates the cell from it's enviroment.
D. It is made entirely of intergal proteins
Will mark brainliest
The right answer is A.
This phenomenon is called endocytosis.
Endocytosis is the mechanism of transport of molecules or even particles (viral, bacterial, etc.) to the inside of the cell.
Endocytosis can be performed by all eukaryotic cells except red blood cells.
This membrane mechanism (or quasi-membrane) is very important in the life of a cell, because it allows the internalization of specific molecules through specific receptors in the cell (and in particular in the cytosol), the molecule to "endocyte" being called ligand (eg, the transferrin (ligand) that will bind to specific membrane receptors of transferrin).
The plasma membrane is composed of a bilayer of phospholipid molecules that acts as a barrier between the cell and its environment. Hydrophobic molecules keep the cell from getting too much water. The plasma membrane is not made entirely of integral proteins.
Explanation:The plasma membrane is composed mainly of a bilayer of phospholipid molecules that forms a barrier between the cytoplasm inside the cell and the environment outside the cell. It allows only certain substances to pass in or out of the cell. Some cells have extensions of their plasma membrane with other functions, such as flagella or cilia.
Hydrophobic molecules are important in keeping the cell from getting too much water. Since the interior of the plasma membrane is hydrophobic, it prevents water from freely crossing the membrane.
The plasma membrane is not made entirely of integral proteins. It is primarily composed of phospholipids arranged in a bilayer, with integral proteins embedded within the membrane and peripheral proteins associated with the membrane surface.
describe the arrangement within energy levels of the six electrons of an atom of carbon
A carbon atom has six electrons arranged in two energy levels - 2 in the first, and 4 in the second level.
Explanation:An atom of carbon has six electrons which are arranged in energy levels known as shells or orbital. These energy levels consist of specific numbers of electrons that an atom can accommodate. The first energy level (known as K shell or 1s orbital) can hold 2 electrons, and the next energy level (L shell or 2s orbital & 2p orbital) can hold up to 8 electrons. However, for carbon, there are 2 electrons in the first energy level and 4 electrons in the second. The four electrons in the second energy level are further elaborated as 2 in the 2s orbital and 2 in the 2p orbital.
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how would a Bohr model of a neon atom differ from this model of nitrogen
A Bohr model of a neon atom differs from the model of a nitrogen atom in terms of the number of electrons, electron configuration, and energy levels.
Explanation:A Bohr model of a neon atom differs from the model of a nitrogen atom in several ways:
The number of electrons: Neon has 10 electrons, while nitrogen has 7 electrons.The electron configuration: Neon has the electron configuration of [He]2s22p6, while nitrogen has the electron configuration of [He]2s22p3.The energy levels: Neon has more energy levels compared to nitrogen because it has more electrons. This means that there are more possible orbits for electrons to occupy in a neon atom.Learn more about Bohr model of atoms here:https://brainly.com/question/11872378
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Which location would be relatively warmer during winters, and why?
An inland location, because land cools down slower than water
A coastal location, because water cools down slower than land
An inland location, because land has higher specific heat than water
A coastal location, because land has higher specific heat than water
Answer:
A coastal location, because water cools down slower than land
Explanation:
The water and the earth have specific heat different from each other.
The water heats up more slowly than the earth, but it also cools more slowly than the earth. For this reason, when we go to the beach we realize that the sand is hot, while the water is cold it causes the air currents to blow from the sea to the beach, because the air above the sand is hotter than the air it is. above the water, and the hot air goes on and the cold goes down. During the night, this is reversed, as the water is still hot, and it gets hotter than the sand, which cools faster, reversing the breezes.
In summary, because the water's cooling speed is slower than that of the land, we can say that a coastal location would be a relatively hot spot during the winter, because the land has a higher specific heat than water
in your own words explain John Locke's theory of natural law
Final answer:
John Locke's theory of natural law posits that individuals are born with inalienable rights, such as life, liberty, and property, grounded in a moral order rationality can determine. Contrary to Hobbes' view of an absolute sovereign, Locke believed in more egalitarian natural state conditions that lead to a social contract aimed at preserving these rights. Locke's philosophy significantly influenced democratic governance and individual liberties.
Explanation:
John Locke's Theory of Natural Law
John Locke, an influential English philosopher, articulated a distinct perspective on natural law and the state of nature. He posited that individuals are born with certain inalienable rights, including the rights to life, liberty, and property. Locke believed that these rights are grounded in natural law, which is the moral order discoverable by reason. He saw humans as generally peaceful in the state of nature, capable of realizing and upholding this moral order through rationality.
Locke's perspective diverges from that of Thomas Hobbes, who saw life in the state of nature as 'nasty, brutish, and short,' requiring an absolute sovereign to maintain order. In contrast, Locke envisioned a more cooperative state of nature where people live in a state of equality and with reciprocal power. When forming a government through a social contract, they do so with the intent of preserving these natural rights. Governments that fail to protect these rights are considered illegitimate, and the people have the right to revolt and establish a new, just government based on the principles of natural law.
Locke's ideas on natural rights and government by consent deeply influenced the formation of modern democratic states, including the early government of the United States, promoting the ideals of individual liberty and the rule of law.
Which type of protein, embedded in the plasma membrane, aids reactions of molecules that arrive?
channel
carrier
enzymes
peripheral
What keeps cells from growing to much larger sizes than they do
When a star's nuclear energy runs out, it dies. A star can die in many ways. A _____ is one way a star might die, and it can trigger the beginning of a new star's life cycle.
A flood that covers the meadow and drowns animals and a late Frost that kills young plants are examples of how blank can affect the size of population
Fungi exist primarily in the form of long filaments called _____.
A. mycelium
B. hyphae
C. septa
D. saprophytes
Answer:
fungi exist primarily in the form of long, tubular-like filaments called hyphae. a large amount of these hyphae all branched together make up a mycelia, or plurally mycelium.
Which statement describes a compound machine?
A.
It has movement in only one direction.
B.
It can only be acted on by one force.
C.
It is made up of more than one simple machine.
D.
It makes work more difficult.
Answer: C
Explanation: I took the test, it was correct!
what is the main idea of Darwin's theory of evolution by natural selection?
Darwin's theory of evolution by natural selection suggests that inherited characteristics vary among offspring and those allowing the best competition for resources lead to survival, reproduction, and passing of those traits onto the next generation. Over time, this results in population evolution and increased adaptation to the environment, a process known as 'descent with modification'.
Explanation:The main idea of Darwin's theory of evolution by natural selection involves three principles. First, most characteristics of organisms are inherited from parents to offspring. Second, more offspring are produced than can survive due to limited resources, leading to competition. Third, offspring differ from each other in their inherited characteristics.
Darwin reasoned that offspring inheriting characteristics allowing them to best compete for limited resources will survive, reproducing more than less competitive individuals. Over time, due to these inherited traits being passed onto successive generations with increasing frequency, populations evolve in a process Darwin termed 'descent with modification'. So, the population becomes more adapted to its environment.
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What is algin? is it Diatomaceous earth used as an insulating material,
Brown algae,
A substance produced by brown algae used to thicken foods.
Diatom shells
Answer:
An algin is a substance produced by brown algae used to thicken foods.
Explanation:
Alginic acid is an organic chemical compound found in brown algae. Alginate forms highly viscous solutions in water. An alginate molecule is a copolymer made up of the two sugar units of guluronic acid and mannuronic acid. The ratio of the two sugars to the length of the molecule varies.
Alginate is used in the food industry as a solidifying agent and can in many cases replace gelatin. Therefore, since it is a plant product, it is used in a vegetarian diet.
which organisms can cause contagious diseases
Answer: It is microorganisms I just took the test.
Explanation:
how do you calculate average time