The bones of animal limbs that are similar in structure but have different functions are called homologous structures and are explained through divergent evolution.
What are homologous structures?
Homologous is a word derived from the Greek words - 'Homo' and 'logos' meaning 'same ratio or proportion'. Homologous structures are ones that have similar structures, features, traits, and/or characteristics. In animals, this refers to mostly the body parts such as bones and limb structures.
When it comes to evolutionary biology, homologous structures help map back the ancestors and form possible connections to other animals across species.
When it comes to homologous structures it is referred to as divergent evolution. Divergent evolution involves organisms that seem to have come from the same ancestor but evolved to adapt to their surroundings changing the functions of their similar body structures.
Common examples of homologous structures are the structures of the limbs of humans and a cat.
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What are the 3 columns of spine explain briefly
Answer:
anterior column. Anterior longitudinal ligament (ALL) anterior two-thirds of the vertebral body.
middle column. Posterior one-third of the vertebral body. posterior one-third of the intervertebral disc (annulus fibrosus) ...
posterior column. everything posterior to the PLL. pedicles.
Explanation:
27.
Arrange the words given below in a meaningful sequence.
1. Key 2. Door 3. Lock 4. Room 5. Switch on
A) 5, 1, 2, 4, 3
B) 4, 2, 1, 5, 3
C) 1, 3, 2, 4, 5
D) 1, 2, 3, 5, 4
The correct meaningful sequence for the given words is 1, 3, 2, 4, 5. The correct answer is option C.
The logical order of the words is as follows:Key: The key is needed to unlock or open something.Lock: The lock is where the key is inserted to secure or restrict access to something, such as a door.Door: The door is the entryway or barrier that can be opened or closed using the key and lock.Room: The room is what lies behind the door, a space that can be accessed by unlocking and opening the door.Switch on: Once inside the room, the switch can be turned on to activate the lights or power supply within the room.Therefore, the meaningful sequence that represents the logical flow of actions is 1, 3, 2, 4, 5, which corresponds to option C).For more questions on sequence
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             Q 3 of 5 A pathogen is an organism that: is only found in food. causes spoilage. is in all food. causes disease.
A pathogen is an organism that causes disease and can be present in food, but not all food contains pathogens.
A pathogen is a type of microorganism that causes disease in humans or animals.
Unlike spoilage organisms that simply cause food to go bad, pathogens can cause serious illness and even death in some cases.
Pathogens can be found in many different types of food, including meat, poultry, eggs, dairy products, fruits, and vegetables.
They can be transmitted through contaminated water, soil, or air, as well as through person-to-person contact.
Common examples of foodborne pathogens include Salmonella, Listeria, E. coli, and Campylobacter.
It is important to properly handle and prepare food to reduce the risk of pathogen contamination.
This includes washing hands and surfaces frequently, cooking food to the appropriate temperature, and storing food at the correct temperature.
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Recently, oil from rectangle resulted in a disaster and ecosystems containing many unique species. The potential loss of these species could result in
The potential loss of unique species due to a disaster is referred to as mass extinction. When large numbers of species disappear over a short time period then it is called mass extinction.
Biodiversity threats include burning fossil fuels and deforesting forests and other wildernesses for industrial agriculture. Other human activities, such as wildlife poaching and hunting, can also have serious impacts.
When ecosystem services no longer adequately meet social needs, biodiversity loss can have far-reaching, direct human health consequences. In addition, ecosystem services impact indirectly on livelihoods, incomes, local migration, and, in some cases, political conflict.
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Which statements best describe displacement? Check all that apply.
Displacement is measured along the path an object travels.
Displacement is a measurement that includes direction.
Displacement is the difference between a starting point and an ending point.
Displacement is how far an object travels from starting point to ending point.
O Displacement is measured as a straight line between a starting point and an ending point.
Explanation:
The statements that best describe displacement are:
B. Displacement is a measurement that includes direction.
C. Displacement is the difference between a starting point and an ending point.
E. Displacement is measured as a straight line between a starting point and an ending point.
Which of the following uses of water is the most volume of water in gallons?
Answer:
Explanation:
Globally, 70 percent of freshwater withdrawals are used for agriculture.
Answer:a
Explanation:i got it right on the test
master the content well.
1.3. Answer the following questions by writing the answer next to the question number
(1.3.1-1.3.6.) in the ANSWER BOOK. Write your answers in FULL SENTENCES.
1.3.1. "Public institutions should be transparent in order to avoid corruption and
fraud taking place."
Explain the word 'transparent' as referred to in the above context.
1.3.2. State TWO ways in which young people could be empowered to address
racial discrimination in their schools' environment.
(1 x 2)
(2 x 1)
1.3.3 Suggest TWO practical activities that the youth could use to raise awareness abou
cyber bullying in their school communities.
(2 x 1)
1.3.4. Explain the meaning of cronyism as form of corruption.
(1 x 2)
1.3.5. Briefly explain the term gender imbalance.
(1 x 2)
1.3.6. State TWO positive aspects of change that could take place when learners finish
1.3.1. "Transparent" means open, accountable, and understandable in public institutions' operations and decision-making. Publicising data and actions makes these institutions transparent. Transparency boosts accountability, trust, and fraud prevention.
1.3.2. Two ways teens can oppose classroom racism:
1) Diversity: Students can plan events, groups, and activities that highlight diverse cultures, races, and backgrounds. Learners respect and appreciate.
2) Advocacy and education: Youth can organise seminars, conversations, or campaigns to teach their peers about equality, tolerance, and racial discrimination. They support equality and non-discrimination.
1.3.3. Teens can promote school cyberbullying awareness two ways:
1) Seminars and presentations: Teens can present on cyberbullying, its effects, prevention, and treatment. Experts help pupils discuss.
2) Cyberbullying awareness campaigns: Youth can educate peers through posters, videos, and social media. Facts, stories, and resources can help cyberbullying discussions.
1.3.4. Cronyism occurs when powerful people favour their friends, relatives, or acquaintances without merit or fair competition. It favours friends above talent. Cronyism fosters nepotism, unaccountability, and unfairness.
1.3.5. Underrepresentation imbalances gender. It indicates a big gender difference in business, school, and society. Gender norms, bigotry, and a lack of leadership opportunities hinder women.
1.3.6. Graduation has two advantages:
Self-improvement: Learning, skills, and experiences help students. It boosts confidence to overcome obstacles, make informed choices, and attain goals.
Open doors: Graduation. Employment, education, and income increase. Career aspirations, lifelong learning, and community improvement are easier for learners.
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