It is true to say that "all synapomorphies are homologous traits".
Synapomorphies are shared derived features that are inherited from a common ancestor by two or more taxa. On the other hand, homologous qualities are characteristics that are comparable in both structure and function across various creatures and are also passed down from a common ancestor.
Because synapomorphies are inherited from a common ancestor, they can only be homologous characteristics. As a result, any characteristic that is a synapomorphy must have originated in the taxon in question and been passed on to its offspring. Different lineages may have independently evolved non-homologous characteristics, which means they cannot be synapomorphies.
In conclusion, all homologous qualities are synapomorphies, but not all synapomorphies are homologous traits. Synapomorphies can be used to retrace the evolutionary history of life on Earth and offer significant evidence for understanding the evolutionary links between various species.
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what is the nature of cell-walls in diatoms
Answer:
The cell walls of diatoms are made of silica. Their cell wall construction is known as frustule. It consists of two thin overlapping shells that fit into each other such as a soap box. When the diatoms die, the silica in their cell walls gets deposited in the form of diatomaceous earth.
What happens to the effenciency of the exchange of oxygen in the human body at a high altitude
Answer:
The effiency decreases at higher altitudes
Explanation:
The higher up a person is on a mountain, the thinner the air is due to the lack of plants that can grow. An example of this is Mount Everest. At a certian point on the mountain, called the "Death Zone", the air is too thin to supply enough oxygen to the human body to survive. That's why they bring oxygen tanks with them on their adventures.
PLEASE HELP IM DOING A TEST RN!!
Which of the following describes how the pollen must travel in order for pollination to occur?
Question 18 options:
. from the stigma to the anther
from an anther to the style
from an anther to the stigma
from the stigma to the pollen tube
Answer:
from an anther to the stigma
Explanation:
Answer:
Anther to stigma!
The anther is where the pollen is granulated, and the stigma is the part where they reproduce.
Government agencies regulate most aspects of agricultural safety.
True
False
Answer:
False
Explanation:
how do we know that change is taking place around us ? what is the need to study change ? explain some example
Answer:
Specialisation in the knowledge society and its need
Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.
Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.
Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.
Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.
Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.
Explanation:
Match each term to the appropriate description.
Answer:
Have a great day!
Explanation:
The appropriate term for each description would be ecosystem, community, population, organism, and species respectively.
Definition of ecological terms?An ecosystem is a community of all living organisms interacting with their environment as a system.
A community is a collection of different populations of organisms.
A population is a group of organisms of the same species capable of mating.
Species are a group of organisms that is capable of breeding to produce fertile offspring.
Thus, the term for each description would be ecosystem, community, population, organism, and species respectively.
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The picture shows an organ system in the human body
Brain
Nerve
-Spinal
cord
w
do these organs do in the human body?
O A. They filter pathogens and dead cells out of lymph before it returns
to the blood.
B. They monitor and react to changes in the body and its
environment
C. They release hormones that control the activities of cells and
organs
O D. They identify and destroy things that are foreign or harmful to the
body
Answer:
B
Explanation:
because the nerval system is for sending and capturing signals from the brain to monitor if you had a broken bone so your brain and nerves say you are feeling pain. on rare occasions the nerves will totally skip the pain part and send different information to your brain, like if you broke your finger, it would skip the pain and all you would see is a weird finger.
Explain why society has been developing different renewable resources in favor of
nonrenewable resources in the past few decades.
Answer: Society has been developing different renewable resources in favor of nonrenewable sources in the past decades because natural gas and oil has been used to much that we are running out of nonrenewable sources. So society has been trying to use solar panels, wind panels, and water.
Explanation:
A football is kicked by a player. The ball travels 50 m, to the west when it is caught by another player and that player travels 50 m, south. Create a vector diagram that shows both displacement vectors and the resultant displacement vector of the football.Use the scale of 1 cm of the graph paper = 10 m of motion.
Answer:
The football will hit the ground 2.11 seconds later.
Explanation:y = y0 + v0yt + ½ayt
2
0 = v0sin t + ½ayt
2
0 = t(v0sin + ½ayt)
t = 0 or v0sin + ½ayt = 0
½ayt = – v0sin
=
−20sin
=
−2(18.0)sin(35.0°)
−9.8
Based on your knowledge of the relationship between CO2 and photosynthesis explain why CO2 cycles throughout the year.
Answer:
we breath in Oxygen and breath out CO2 and CO2 destroys the atmosphere
A femur is a leg bone found in a human skeleton. When evaluating the human body's levels of organization, a femur is best classified as —
A.
an organ, because it is part of the skeletal system.
B.
an organ system, because it is composed of many cells.
C.
an organelle, because it is composed of many tissues.
D.
an organism, because it is part of the skeletal system.
Answer:
Option A
Explanation:
The femur is classified as an organ, because it is part of the skeletal system
The level of organization is the order that includes cells, tissues, organs, organ systems, and organisms. The femur is a leg bone which is an organ which is a part of organ system called the skeletal system.
What is skeletal system?The basic framework of body is skeletal system, which is consists of bones, connective tissue, tendons, ligaments, etc.
The four main parts of this system include:
Bone.Ligament.Tendon.Joint.The femur is a leg bone which is an organ that is a part of an organ system called the skeletal system.
Thus, the correct option is A.
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Which type of cell is considered the least complex?
Answer:
tissues.
organs.
organ systems.
organism.
Explanation:
Answer:
the answer would be tissues
science animal cell, please help thanKS ASAP
Answer:
a (so 6)
Explanation:
I hope this is helpful :)
What would happen if there was too much Carbon Dioxide in the atmosphere? What if there were no processes to pull Carbon
Dioxide out of the atmosphere?
Describe how proteins form (polypeptide)
Answer: Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei.
Answer:
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.
What change caused the population increases around point A?
At point A, the birth rate is much higher than the death rate hence there is an increase in the population.
What is the population?The term population has to do with the number of organisms that live in a particular habitat at a particular time. There are two main forces that control the population of a place and this is the birth rate and the death rate.
The birth rate refers to the number of the new individual organisms that are added to the habitat while the death rate refers to the number of organisms that leave the habitat. This could be used to decipher the trend in the population as discussed below.
Given that a population in which the birth rate is far higher than the death rate would experience an explosion, such a population would now grow in leaps and bounds and it would be difficult to contain the number of individuals therein.
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Help me really quick please
Answer:
a
Explanation:
potential energy is highest at its highest point
The genetic makeup of an organism or its combination of alleles
Answer:
Genotype
Explanation:
Germs that cause diseases?
Answer:
There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses. Bacteria are larger than viruses.
Explanation:
which part of the eye is sensitive to light?
Which part of the eye is sensitive to light?
Retinasorry kalo salah
To ligth The sensitive of teh eye
A cell containing 20 chromosomes undergoes mitosis, each daughter cell will have 20 chromosomes
a.True
b.False
Answer:
the answer is true because a cell containing 20 chromosomes undergoes mitosis, each daughter cell will have 20 chromosomes
Which of the following are prokaryotic cells?
A) plants
B) fungi
C) bacteria
D) animals
E) B and C only
fungi, bacteria
If I remember right, eukaryotic means there's more than one, so I believe this answer is right
Which is the last link in the wetlands food chain?
A. Consumers
B. Predators
C. Decomposers
D. Producers
Answer:
BRO THE CORRECT ANSWER IS .... C) DECOMPOSTER
Explanation:
I KNOW IT IS SAME BUT STILL YOU CAN MARK ME AS BRAINIEST
An example of a nucleotide is?
A. cytosine, ribose, and deoxyribose
B. guanine, deoxyribose, and phosphate
C. uracil, deoxyribose, and phosphate
D. thymine, ribose, and phosphate
Answer:
B
Explanation:
A nucleotide always consists of 3 things:
1. A sugar group (either ribose or deoxyribose, ribose if the nucleotide is from RNA, deoxyribose if it is from DNA.
2. A phosphate group
3. A nitrogenous base (A/T/U/C/G) This base depends on whether you have RNA or DNA, U is only for RNA. DNA has either A/T or C/G but never U.
Mitosis a single cell divides to produce two daughter cells what must happen in the original sound of the daughter cells has a complete set of chromosomes
Answer:
Explanation:
In mitosis, when a single cell divide into two daughter cell and each daughter cells have a copy of chromosomes, there must first be the copying of the chromosomes from the parent cell and after that the chromosomes are separated or there is separation of chromosomes into each of the daughter cells.
How does the cardiovascular system deliver nutrients and oxygen to all cells in the body via the flow of blood?
A student flips a light switch but the light does not turn on. Based on this
information, which inference is NOT valid? *
The light switch is broken
The elecrical wire is copper
The electrical connection is broken
The light bulb is burned out
Answer: the electrical wire is copper
Explanation:
syngamy and triple fusion difference
mark me as brainlest
Answer:
Üçlü füzyonda, üçüncü bir sperm çekirdeği, embriyo kesesindeki merkezi hücre ile birleşerek endospermi üretir. Eşleşme ve üçlü füzyon arasındaki temel fark, eşleşmenin bir tür üretici döllenme olduğu, üçlü birleşme ise bir tür bitkisel döllenmedir .İyi Çalışmalar..
Answer:
Syngamy: Syngamy refers to the fusion of gametes in fertilization.
Triple Fusion: Triple fusion refers to the fusion of a sperm cell with the two polar nuclei during the double fertilization in angiosperms.
Type of Fusion
Syngamy: In syngamy, a male gamete fuses with a female gamete.
Triple Fusion: In triple fusion, a male gamete fuses with the central cell.
Result
Syngamy: Syngamy produces the zygote that develops into the embryo.
Triple fusion: Triple fusion produces the endosperm cell that develops into the endosperm.
Ploidy
PloidySyngamy: The result of the syngamy is diploid.
Triple Fusion: The result of the triple fusion is triploid.
Type of Gametes
Type of GametesSyngamy: Both male and female gametes are involved in the syngamy.
Triple Fusion: Only male gametes are involved in the triple fusion.
Type of Fertilization
Syngamy: Syngamy is a generative fertilization.
Triple Fusion: Triple fusion is a vegetative fertilization.
Occurrence
OccurrenceSyngamy: Syngamy occurs in animals and plants.
Triple Fusion: Triple fusion occurs in angiosperms.
Conclusion
Syngamy and triple fusion are two types of events in the sexual reproduction of plants. Syngamy is the fusion of male and female gamete, producing the zygote. Triple fusion is the fusion of a male gamete with the central cell of the female gametophyte, producing the endosperm. The main difference between syngamy and triple fusion is the type of fusion of cells in each event.
I hope it's helpful!
Which is the primary source of stem thickening in plants? xylem vascular cambium internal phloem
state birth control methods according to Islam view?
Answer:
Writings of Muslim jurists make it clear that Islam allows for the use of reversible methods of contraception (birth control), including oral contraceptives (birth control), condoms, coitus interruptus, emergency contraception, injections, subdermal implants, IUDs, spermicides, and diaphragms.
Explanation: