These structures examples of vestigial structures.
What are the vestigial structures?The vestigial structure is the structures which used to play an important functional role in the body of the ancestor species. But with due to course of evolution the structures have been adapted by the descendants but are functionless. These structures are typically in the rudimentary and degenerative condition. Appendix, wisdom tooth and sinuses are the examples of some of the vestigial structures.
They're vestigial structures (meaning they're "left over" from some ancestor species of the whale). In the whale's ancestor species, the pelvis and femur were functional; over time, as the whale started living in the ocean and they became unnecessary, the pelvis and femur shrunk into what they are now.
Thus, vestigial structures are the answer.
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Answer: vestigial structures
Explanation:
Edge 2023 ;)
Select the correct answer from each drop-down menu. plants are autotrophs because they can prepare their own food. photosynthesis takes place in leaves. leaves contain that allow for the exchange of gases during the process, and also help with the process of .
Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves which contain stomata that allow for the exchange of gases.
What do you mean by Photosynthesis?Photosynthesis may be defined as the process that converts carbon dioxide into glucose in the presence of sunlight.
Leaves of plants possess stomata through which the exchange of gases and loss of water takes place. These pores in the leaves of plants also help in the process of transpiration.
Therefore, it is well described above.
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Answer:
i hope this one helps
Explanation:
The nearsighted person, and describe what the basic optical problem is, and how it can be corrected. Using the terms near or far
associated with the retina, and either a diverging or converging lens,
describea way to help remember which type of lens corrects this defect.
Be sure to include which case you are describing in the subject line.
*please typed the answer
Correction of Nearsightedness (Myopia) using a Diverging Lens
Nearsightedness, also known as myopia, is a common refractive error of the eye that affects a person's ability to see distant objects clearly. In myopia, the basic optical problem lies in the excessive focusing power of the eye, causing the focal point to fall in front of the retina instead of directly on it. This results in distant objects appearing blurry or out of focus.
To correct nearsightedness, a diverging lens is used. A diverging lens is a concave lens that causes light rays to spread out or diverge. When placed in front of the nearsighted eye, the diverging lens helps to decrease the focusing power of the eye by further diverging the incoming light rays before they enter the eye. This adjustment allows the focal point to move backward, aligning it with the retina, and allowing distant objects to be seen more clearly.
To remember which type of lens corrects this defect, we can associate the terms "nearsighted" and "diverging." Since a diverging lens spreads out light rays, it helps to correct the focusing problem associated with nearsightedness. The idea of "diverging" aligns with the goal of moving the focal point backward, away from the eye, and closer to the retina.
In summary, nearsightedness (myopia) is corrected by using a diverging lens, which reduces the focusing power of the eye and allows the focal point to align with the retina. The association between "nearsighted" and "diverging" can help remember that a diverging lens is the appropriate choice for correcting this particular refractive error.
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How many amino acids are found in living organisms?
Answer: There are 20 different amino acids found in living organisms.
Explanation:
4. In his studies of birds in the Galapagos Islands, Charles Darwin observed
that a few bird varieties with similar beak size and shape inhabited a
particular area. Which of the following most likely explains the limited number
of similar varieties?
A. Competition for the same type of food
B. The presence of an excessive number of autotrophs
C. The presence of a disease that attacks birds with similar beaks
D. Competition for specific concentration of oxygen in the atmosphere
The most plausible explanation for the small number of comparable bird species with comparable beak size and shape in a given location is competition for the same sort of food.
Which species of bird did Charles Darwin observe on the Galapagos island?Darwin crossed the globe from 1831 to 1836, examining creatures on many continents and islands. Darwin saw various species of finches with distinctive beak forms on the Galapagos Islands.
What did Darwin learn about the Galapagos birds?Darwin finally postulated that several finch species had evolved on various islands, with their varied beaks serving as an adaptation to various natural habitats or environmental niches. One of the few birds, the woodpecker finch, uses gadgets to help him locate food.
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How is a fish different from a jellyfish?
Jellyfish are forever but fish ain't.
Plus, jellyfish have those tentacle like things attached to thier body and you might confuse em for octopus for that very reason..
but you should really evade confusing em as an octopus cuz octopus might take it as an insult and the next thing you know will be a Kraken taking your house down.. which is pretty tragic :'(
Answer:
Jellyfish and fish have major anatomical differences.
Explanation: Yes, they both swim, but what is truly the difference? Jellyfish have tentacles, whereas fish have fins. Additionally, jellyfish can STING with their tentacles and fish are pretty much harmless to people and other organisms. Also, a jellyfish's swimming pattern is significantly different than a fish's. Biologically, jellyfish and fish are not grouped in the same kingdom, as fish is named "Animalia Chordata", and jellyfish are named "Animalia Linnaeus". Hope that helps :)
HELP The movement of tectonic plates in two different locations is shown below:
Which statement is most likely true?
A) An earthquake may occur in Location A only and a volcanic eruption may occur in Location B only.
B) Subduction may occur in Location A and a volcanic eruption mah occur in Location B only.
C) Subduction may occur in both locations
D) Earthquakes may occur in both location
Why do some organelles have membranes, and some do not?.
The cell organelles may have membranes, and some may not due to differences in their functions. Organelles with membranes perform various functions like enclosing and protecting the organelle’s content while separating it from the rest of the cell.
For instance, some membrane-bound organelles like the nucleus and mitochondria are specialized for their function and require a specific environment to carry out these tasks. Other organelles, such as ribosomes, do not require this protection, and so do not have a membrane.
In conclusion, organelles can be either membrane-bound or non-membrane-bound, and this is related to their functions. Membrane-bound organelles provide the specific environment required for their functions, while non-membrane-bound organelles do not need to be isolated from the rest of the cytoplasm.
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Prompt
Should Zealandia be considered a continent?
Some scientists believe that it should be, while others do not. Use the information you collected to support or reject the claim above. Be sure to cite the evidence you used to classify Zealandia. In addition, include at least two quotes from the text to support your argument. Don’t forget to sum it all up with a concluding sentence.
Claim:
Evidence and Reasoning:
Directions: Read the prompt below. Then, write a well-developed argument to support or reject the claim.
Claim: Zealandia should be classified as a geological continent, rather than an oceanic plate with a collection of continental islands, fragments, and slices.
Explanation:
region of the southwest Pacific Ocean is made up of continental crust. The region has elevated bathymetry relative to surrounding oceanic crust, diverse and silica-rich rocks, and relatively thick and low-velocity crustal structure. Its isolation from Australia and large area support its definition as a continent—Zealandia. Zealandia was formerly part of Gondwana. Today it is 94% submerged, mainly as a result of widespread Late Cretaceous crustal thinning preceding supercontinent breakup and consequent isostatic balance. The identification of Zealandia as a geological continent, rather than a collection of continental islands, fragments, and slices, more correctly represents the geology of this part of Earth. Zealandia provides a fresh context in which to investigate processes of continental rifting, thinning
Earth’s surface is divided into two types of crust, continental and oceanic, and into 14 major tectonic plates (Fig. 1; Holmes, 1965; Bird, 2003). In combination, these divisions provide a powerful descriptive framework in which to understand and investigate Earth’s history and processes. In the past 50 years there has been great emphasis and progress in measuring and modeling aspects of plate tectonics at various scales (e.g., Kearey et al., 2009). Simultaneously, there have been advances in our understanding of continental rifting, continent-ocean boundaries (COBs), and the discovery of a number of micro-continental fragments that were stranded in the ocean basins during supercontinent breakups (e.g., Buck, 1991; Lister et al., 1991; Gaina et al., 2003; Franke, 2013; Eagles et al., 2015). But what about the major continents (Fig. 1)? Continents are Earth’s largest surficial solid objects, and it seems unlikely that a new one could ever be proposed.
Figure 1Figure 1
Simplified map of Earth’s tectonic plates and continents, including Zealandia. Continental shelf areas shown in pale colors. Large igneous province (LIP) submarine plateaus shown by blue dashed lines: AP—Agulhas Plateau; KP—Kerguelen Plateau; OJP—Ontong Java Plateau; MP—Manihiki Plateau; HP—Hikurangi Plateau. Selected microcontinents and continental fragments shown by black dotted lines: Md—Madagascar; Mt—Mauritia; D—Gulden Draak; T—East Tasman; G—Gilbert; B—Bollons; O—South Orkney. Hammer equal area projection.
The Glossary of Geology defines a continent as “one of the Earth’s major land masses, including both dry land and continental shelves” (Neuendorf et al., 2005). It is generally agreed that continents have all the following attributes: (1) high elevation relative to regions floored by oceanic crust; (2) a broad range of siliceous igneous, metamorphic, and sedimentary rocks; (3) thicker crust and lower seismic velocity structure than oceanic crustal regions; and (4) well-defined limits around a large enough area to be considered a continent rather than a microcontinent or continental fragment. The first three points are defining elements of continental crust and are explained in many geoscience textbooks and reviews (e.g., Holmes, 1965; Christensen and Mooney, 1995;
Which statement is FALSE about the Cell Cycle? Question 4 options:
A. During Prophase, the cell fully splits into a parent and a daughter cell.
B. Most of the cell's life is spent in Interphase, growing larger.
C. The stages of the cell cycle repeat themselves.
D. The cytoplasm divides during the process called cytokinesis.
Answer:
the answer is A since the cell splits into two only during the cytokinesis
Answer: I belive its A
Explanation:
Use this dichotomous key to identify the taxonomic order of each insect. (Hint: All of the insects belong to different orders). The information for the first insect has been completed for you.
Answer:
Explanation:
not 100% sure, but I just did it and this is pretty close if not right
Answer:
Same thing as the other person...
mass= 25.4 grams volume 29.8 cubic cm density
Answer:
use the rule it well be 127/149 or 0.85
Cells use the energy available in food to make a final energy-rich compound called.
Foods are degraded in part to create the energy-dense molecule adenosine triphosphate, which is one of the end products (ATP).
The required details for Adenosine triphosphate (ATP), in given paragraph
Adenosine triphosphate (ATP), the energy source, is used by cells to both produce and store energy. An adenine-based nitrogenous base, ribose sugar, and three serially bound phosphate groups make up the nucleoside triphosphate structure of ATP. The organic substance adenosine triphosphate (ATP) supplies energy for a variety of biological functions in living cells, including muscular contraction, nerve impulse transmission, condensate dissolving, and chemical synthesis.
A common term for the "molecular unit of currency" of intracellular energy transfer is ATP, which is present in all known forms of life.
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if a researcher was interested in slowing down the movement of amoebas by disrupting their cell membranes, which protein filaments should she be studying?
To slow down the movement of amoebas by disrupting their cell membranes, a researcher should be studying the actin filaments.
One of the key parts of the cytoskeleton, which keeps cells in their proper shapes and supports them structurally, are actin filaments. Actin filaments perform these tasks as well as assisting in the development of pseudopodia, which are movements used by amoebas. Pseudopodia are extensions of the cell membrane.
The production of pseudopodia by amoebas could be impacted by cell membrane disruption, which in turn could have an impact on how they travel. Actin filaments are essential for cell mobility and serve a crucial role in the development of pseudopodia. Therefore, by preventing amoebas from forming pseudopodia, interrupting the actin filaments could limit their motility.
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the cell membrane is described as highly selective, because it bars the passage of most but not all substances. what structural feature of the membrane acts like gates that allow certain substances, including water, to pass through the membrane?
a. Permanent gaps in the lipid layer
b. Proteins that temporarily dissolve regions of the lipid bilayer
c. Channels in transmembrane proteins embedded in the lipid bilayer
d. Channels in phosphat groups at the outer edges of the lipid bilayer
C because proteins station themselves inside the membranes and act as a tunnel or passage to let bigger molecules in.
What are some threats to biodiversity in the southem Appalachian forests?
A logging
B farming or other land developments
C invasive species
D pollution
E illegal hunting or collecting
F all of these
G none of these
F all of these. They will all harm biodiversity in the southem appalachion forests.
Mention three importance of soil organisms.
Explanation:
soil organisms which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms play an important role in maintaining fertility structure drainage and aeration of soil
what is the difference between intermolecular and intramolecular forces?
Answer:
Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules.
Explanation:
Answer:
Explanation:
The main difference between intermolecular and intramolecular forces is that intermolecular forces exist between the molecules themselves, whereas intramolecular forces exist between atoms within a molecule. Intermolecular forces are formed between molecules and, intra-molecular forces are formed within the molecule. • Intra-molecular forces are much stronger compared to intermolecular forces.
what is the event expected in women during luteal phase?
A. the ovulation phase ends
B. the egg moves down the fallopian tube over several days
C. the follicle develops into a hormone-producing structure called corpus luteum
D. the endometrium starts to develop to receive a fertilized egg should you become pregnant
Answer:
C. the follicle develops into a hormone-producing structure called corpus luteum
Explanation:
The luteal phase is one of the three phases of the menstrual cycle in females (the other being follicular and ovulatory phases). In the luteal phase, which occurs after the egg has been released, the follicle develops into a hormone-producing structure called CORPUS LUTEUM.
Corpus luteum is responsible for producing progesterone hormone, which prepares the uterus for pregnancy. In other words, during the luteal phase, the female reproductive system is preparing itself for another possibility of pregnancy, characterized by the formation of the structure that produces the pregnancy hormone.
(50 points)
Drag each label to the correct location on the image.
Smooth hair is dominant in horses, and curly hair is recessive. Black hair is dominant, and chestnut hair is recessive. If S denotes smooth and s denotes curly, B denotes black and b denotes chestnut, classify the alleles according to their types.
Group (H o m o z y g o u s) (H et e r o z y g o u s) (H om o z y g o u s R e c e s s i v e)
Options (Ss) (ss) (Bb) (bb) (BB) (SS)
Example down below but the answers are wrong
Answer:
yeah
Explanation:
This image summarizes how computers sort and order DNA fragments to produce a final sequence of the genome. Explain how the sequences of many smaller fragments of DNA can be combined into a complete DNA sequence.
Single reads are where one end or the whole of a fragment of DNA is sequenced. These sequences can then be joined together by finding overlapping regions in the sequence to create the full DNA sequence.
Paired-end reads are where both ends of a fragment of DNA are sequenced.
What is the role of computer in DNA sequencing?Computers are faster
DNA sequence codes for the amino acids that form proteins, and the code had been worked out earlier.
At first, DNA sequence was read from a gel and then summarised to amino acids.
Thus, Single reads are where one end or the whole of a fragment of DNA is sequenced.
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5. a) what properties would you expect to observe if you use more borax in your biopolymer synthesis?
The changes in the physical properties of the solution are expected when more borax is added to the biopolymer is an increase in rigidity.
Those polymers produced by living organisms are referred to as biopolymers. Biopolymers include things like lignin, suberin, melanin, etc.
When more borax is added to the biopolymer the biopolymer will grow harder (solid) as more borax is applied because the extra borax encourages the long polymer to join up more with one another.
Therefore, an increase in stiffness is anticipated in the physical properties of biopolymers when more borax is introduced.
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It would have been the best dance ever if the seventh grade fashion police weren't there, staring at me all night like a bunch of eagles. Which part of the sentence is a metaphor?
Answer:fashion police
"Fashion police" is the part of the sentence which represents an example of a metaphor.
What is a Metaphor?A Metaphor may be defined as a figure of speech through a word or phrase that generally denotes one type of object or idea in place of another to suggest a likeness or analogy between them.
The phrase "fashion police" clearly demonstrates an example of a metaphor in the given sentence. It suggests an analogy between the strict work of police through a word fashion.
Therefore, "Fashion police" is the part of the sentence which represents an example of a metaphor.
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Analyze the document "King Andrew the First (c. 1833)” by explaining its "HIPP” (historical context, intended audience, author’s purpose, and author’s point of view). Refer to elements in the image to explain your response.
Answer: Andrew Jackson was a strong president. He used the office to forcefully pursue his agenda. This cartoon is quite famous, coming out around 1833, because of the 1833 removal order. In the cartoon, the president can be seen holding a veto in his hand, and standing on top of the Constitution. He is dressed up as a king, holding - perhaps - too much power. I believe that the intended audience was the people. The people saw him as a king, abusing his powers as a president. The author’s purpose was to show how people truly viewed him. The president’s order to remove federal deposits from the Bank of the United States led to an increase in state debt. The President was strongly criticized because he acted without congressional approval, as a king would.
Explanation: I don't recommend copying word per word, but hopefully this gives you a good start. Add anything you feel you need to, and good luck. You've got this. :3
The analysis of the document "King Andrew the First (c. 1833)” is as follows:
Historical context
It was created during the 1833 removal orderIntended audience
The American publicAuthor's purpose
To show that people truly believed in himAuthor's point of view
First personPresident Andrew Jackson was an enigmatic and strong personality during his tenure as President of the United States of America.
As a result of this, there was a cartoon which was created to help further his agenda. In it, he is depicted holding a veto power on top of the Constitution, while dressed in royal attire.
He wanted to show that he was a man of the people but it was viewed as a person who was wielding too much power than was suitable for a president as he occasionally acted without congressional approval.
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43
-
14
- 0
43
as a decimal rounded to the nearest hundredth.
14
X
Ś
The term for decimal numbers that designate the same portion of a whole or point on a number line is: the fraction
Examples of fractions include 2/5 and 5/1.
Answer ; 43/14 = 3.07
What is Decimal ?The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the term used to describe the method of representing numbers in the decimal system.
How to convert Decimal ?To convert a number from decimal to percent, multiply it by 100, then add the percent symbol. By multiplying the decimal number by 100 and adding%, you can convert a decimal to a percentage. By moving the decimal point two places to the right and adding a percent sign, you may quickly convert a number from decimal to percent.
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Which of the following are forms of cell regulation?
Answer:
the answer is should be C
Significant amounts of phosphorus are found in all locations on Earth except the..
Answer:
Atmosphere
Explanation:
Phosphorus cycle in nature is a unique cycle compared to the other natural biological and chemical cycles such as the carbon, nitrogen, sulfur and water cycles, as there is no gaseous phase in the phosphorous cycle. Due to the prevailing atmospheric temperature and pressure which are not appropriate for the formation of gases associated with phosphorus, the compounds in nature where phosphorus can be found are not gases. Phosphorus can therefore be found majorly in sedimentary rocks.
The atmospheric temperature and pressure are incapable of forming phosphorus compounds, Phosphorus has not been found in the atmosphere.
Phosphorus has been the recycled in the atmosphere within the biosphere, lithosphere, and hydrosphere. In the nature, the phosphorus has been present in the sedimentary rocks, with the absorption by plants and animals.
The phosphorus cycle has been consisted of the weathering, absorption by plants and animals and return to the lithosphere with the decomposition. Since the atmospheric temperature and pressure are incapable of forming phosphorus compounds, Phosphorus has not been found in the atmosphere.
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All of these examples show evidence for evolution because they show
Because they all demonstrate change over time and descended from a common ancestor, these examples all provide proof of evolution.
What proof exists for evolution?In this section, we'll talk about five different sorts of evidence supporting evolution: ancient organism remains, fossil layers, parallels between current animals, similarities in DNA, and embryological similarities.
What are the three basic types of proof for evolution?Fossil evidence, biogeographical evidence, and anatomical evidence were some of the many types of evidence that Darwin utilized to support his theory of evolution by natural selection.
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give effects per problem
no copy pls
Answer:
Deforestation
1) Scientific evidence shows that deforestation provides the conditions for the spread of a variety of deadly diseases, including the Nipah and Lassa viruses, as well as the parasites that cause malaria and Lyme disease.
Population
2) Increasing population growth causes a large number of people to migrate to urban areas with industrialization.This leads to polluted air, water, noise, and the population in big cities and towns.
Oil Spill
3) Oil spills can be extremely harmful to the environment. When oil spills into the oceans, it can cause big problems. It can harm sea creatures, which can make seafood unsafe to eat.
Soil erosion
4) Soil erosion leads to increased pollution and sedimentation in streams and rivers. Soil gets degraded, the risk of erosion increases, and the sediments sweep into rivers and nearby regions, possibly contaminating nearby ecosystems.
Coral reef degradation
5) Coastal areas become increasingly vulnerable to storms, hurricanes, and cyclones when coral reefs perish. The ocean will be unable to absorb as much CO2 without coral reefs, resulting in more CO2 being released into the atmosphere.
Illegal mining
6) Mining can pollute air and drinking water, harm wildlife and habitat, and permanently scar natural landscapes.
_________________________________
A particular group of brain cells seems to provide a basis for observational learning. Researchers call these specialized cells...
answer choices
Efferent neurons
Afferent neurons
Mirror neurons
Motor neurons
Schwann cells
Mirror neurons provide a basis for observational learning.
The discovery of mirror neurons is widely regarded as one of the most significant advancements made in neuroscience over the past ten years. There are many different types of visuospatial neurons, and each one reveals something essential about the way people connect with one another. Mirror neurons are essentially neurons that respond to acts that they watch in other people. When we actually perform the action ourselves, our mirror neurons activate in the same manner as they do when we observe someone else doing it.
They are responsible for a wide variety of other complex human behaviors as well as mental processes, the most well-known of which is imitation. Researchers believe that conditions such as autism may be caused by flaws in the mirror neuron system. This article serves as a concise introduction to the neurons that were responsible for the development of our civilization.
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I have no clue how to do this I need help!