Answer:
The growth and aquatic plants and algae, but also the death of fish and other invertebrates.
Suppose that two distantly related species live in similar environments and share a distinctive characteristic that facilitates survival in their environment but is not found in their immediate ancestors. Based on this information, this distinctive feature most likely represents a character that spread from:______.
a. one species to the other by gene flow.
b. an analogous character.
c. a homologous character.
d. a character that arose by genetic drift.
Based on this information, this distinctive feature most likely represents a character that spread from an ANALOGOUS character. They are present in unrelated species.
What are analogies in evolution?An analogy is a structure observed in unrelated species that emerged as a consequence of adaptation to similar environmental conditions.
Analogous structures often exhibit the same function but they do not have a common evolutionary origin.
Conversely, homo-logies are structures that may or may not have the same function but they are present in a common ancestor.
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What is the blood-sucking creature of puerto rican lore?.
Answer:
Chupacabra
Leaving nothing but blood-soaked fields behind...
The binding of oxygen to hemoglobin differs from the oxygen binding behavior of myoglobin because
The binding of oxygen to hemoglobin differs from the oxygen binding behaviour of myoglobin because oxygen binding to hemoglobin is cooperative.
Hemoglobin - oxygen bindingHemoglobin is the oxygen carrying protein of the blood that is located at the red blood cells. They have high affinity for oxygen.
Myoglobin is found in the muscle cells and they are contain haem proteins which they used to transport and store oxygen in the muscles.
Hemoglobin and myoglobin are two types of globin proteins that serve as oxygen-binding proteins, but binding of oxygen to hemoglobin differs from the oxygen binding behaviour of myoglobin.
This is because binding of oxygen by hemoglobin is cooperative. This means that as hemoglobin binds successive oxygens, the oxygen affinity of the subunits increases. This is opposite for myoglobin.
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In order to predict how much tension a muscle can produce when contracting, it is important to consider the ______ relationship of thick and thin filaments.
The muscles are composed inside mainly of fibers, filaments and proteins, where it is important to consider the length-tension relationship of the thick and thin filaments to know the tension.
What is muscle contraction?It is an organized and natural event that takes place at the level of the muscles when the fibers and proteins inside them come together, and tension is produced in the area.
Characteristics of muscle contractionIn a muscle contraction, a tension is generated that depends on the length-tension relationship, which causes a displacement of the muscle filaments.The proteins actin and myosin join together, and a force is generated so that the final movement is achieved.To know the tension, the muscle changes length and measurable external work is produced from the force and distance traveled.Therefore, we can conclude that the contraction allows us to make movements to reach and carry our extremities to different places.
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Which statement accurately describes the relationship between cytokinesis and mitosis? Mitosis includes interphase and cytokinesis. Cytokinesis precedes mitosis in the cell cycle. Cytokinesis is not a phase of mitosis, but occurs during mitosis. Interphase includes cytokinesis and mitosis.
Mitosis is a type of cell division that produces two alike daughter cells. Cytokinesis is not a phase of mitosis but happens during mitosis.
What are cytokinesis and mitosis?Mitosis is a cell division type that divides the parent cell and the genetic material into two alike daughter cells with the same chromosome numbers.
Cytokinesis is a process by which at the end of the telophase the cytoplasm of the cell starts dividing and results in the formation of the plate in plants and furrows in the animal, dividing the cell equally.
Therefore, option c. Cytokinesis is not a phase of mitosis but occurs during mitosis.
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Answer:
C
Explanation:
just got it right on edge 2022
even though all cells of an organism have the same genes, there is differential gene expression. What does this mean
Answer:
the expression of different sets of genes by cells with the same genome. What percentage of the genes of a typical human cell is expressed at any given time? 20%
The ________ controls when the gene is transcribed by rna polymerase.
Identify an invasive species in your local ecosystem. Discuss how the species adapted to its native environment, including the types of adaptations and adaptive techniques.
Answer:
i live near the Gulf of Mexico so the loin fish would be considered an invasive species but you can go.ogle invasive species in the state that u are in and a lot would pull up to tell u
Explanation:
Invasive species when introduced compete with the native species present in the environment for food and space. One such example of invasive species is Invasive carp.
What is adaptation?Adaptations are the changes in an organism which help them in adjusting more in an ecosystem. Adaptations can be of different types such as structural, physiological, etc depending upon the environment.
When a highly invasive species is introduced, they are more likely to compete with the native species present in the environment. When the population sizes and genetic diversity of native species are large enough, the native species may be able to evolve traits which allow them to co-occur with the invasive species and live in the same ecosystem.
One examples of invasive species is the Invasive carp, which are fast-growing, aggressive, and adaptable fishes that outcompetes the native fish species present in the waterbody for food and habitat in much of the mid-section of the United States.
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Glycolysis requires
ATP.
O sunlight.
O NADP+.
oxygen.
Answer:
Glycolysis requires two molecules of NAD+ per glucose molecule
and in addition the first phase of glycosis reaction requires atp
Explanation:
glycosis doesn't require oxygen
what have more thermal energy?a bathtub at room temperature or a bathtub at 100° F ?
Answer:
Suppose you were to compare a milliliter of water near the boiling point with a bathtub full of water at room temperature. The bathtub contains a billion times as many water molecules, and therefore has a higher total kinetic energy and more heat.
Explanation:
A bathtub at 100°F has more thermal energy than a bathtub at room temperature.
Thermal energy is the energy that an object possesses due to the motion of its particles (atoms and molecules). The higher the temperature of an object, the more kinetic energy its particles have, resulting in greater thermal energy.
In this scenario, comparing a bathtub at room temperature (which is typically around 68-72°F) to a bathtub at 100°F, the bathtub with water at 100°F has higher thermal energy. The reason is that the water molecules in the warmer bathtub are moving more rapidly than in the cooler one. They have greater kinetic energy and are vibrating more vigorously, contributing to a higher thermal energy content.
Even though the absolute temperature difference might not seem large (32°F), the increase in thermal energy is significant due to the exponential relationship between temperature and kinetic energy. As the temperature rises, the molecules' energy increases exponentially, resulting in a notable difference in thermal energy.
In conclusion, the bathtub with water at 100°F has more thermal energy compared to the bathtub at room temperature due to the higher kinetic energy and faster motion of water molecules at the higher temperature. This concept underscores the connection between temperature and thermal energy in understanding the behavior of matter.
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1. What is a mutation?
Answer: A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene
Explanation:
What are the differences between Eukaryotic and Prokaryotic cells?
Answer:
The main difference between the two is that eukaryotic cells have a nucleus, while prokaryotic cells lack a nucleus.
Which can remove carbon dioxide from the atmosphere?
Photosynthesis in plants is a great way to reduce Co2 levels and release o2 and glucose which is a sugar all organisms anywhere need to make energy, which then in used to keep themselves active
Explanation:
2. What is the relationship between dissolved oxygen (D.O.) and
temperature?*
O As the water temperature increases, the D.O. increases.
,
As the water temperature increases, the D.O. decreases.
As the water temperature decreases, the D.O. decreases.
As the water temperature increases, the D.O. stays the same.
Answer: as water temperature increases, D.O decreases
Explanation:
You’re welcome
1. How many different bird species are present in a density of at least one pair per 20 acres at the same time that small trees are the dominant plant category? A. 9 B. 12 C. 13 D. 15
There are 15 different bird species present in a density of at least one pair per 20 acres at the same time that small trees are the dominant plant category.
What is population density?The term population density refers to the number of organisms that are found in a place per unit area covered by the population. This includes both plants and animals.
There are 15 different bird species present in a density of at least one pair per 20 acres at the same time that small trees are the dominant plant category.
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The hydrosphere brings carbon into what type of reservoir?
can someone help me out ?
Based on the carbon cycle, the hydrosphere brings carbon into the ocean reservoir..
What is the hydrosphere?The hydrosphere refers to the part of the earth where water is found.
The hydrosphere includes the oceans, rivers , seas , streams and lakes.
Carbon is stored in the oceans and seas on the form of dissolved carbon.
Therefore, the hydrosphere brings carbon into the ocean reservoir..
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Answer:
In lakes and the ocean, carbon is dissolved in the hydrosphere.
Explanation:
^^
Explain why red blood cells might use up oxygen, if they
have mitochondria.
Need help ASAP
Which element is essential to making up all organic molecules?.
Answer:
This element is carbon.
Explanation:
You might be quick to think the answer is something like hydrogen and oxygen because both form to make water. But understand that the question is not asking about important elements in life, just which element makes up organic molecules. This element happens to be carbon.
It's important to understand that carbon is lucky in that it has 4 valence electrons and is able to bond with other important elements, like F, N, and especially H. The bond between C-H is essential in organic chemistry because it represents the structure of an organic molecule and helps with the IUPAC naming of organic molecules. It also suffices to say that there is a cycle for carbon in the carbon cycle, which transports carbon from one place in our world to the other.
So, it suffices to say that carbon is in fact essential for making up organic molecules.
which factor is most likely to have contributed to the high fertility rate in africa
A lack of access to food
B Many economic opportunities
C high rate of education
D poor access to medical care
10.The green aquatic plant represented in the diagram below was exposed to light for
several hours.
bar
outsid
(80:00
-Bubbles
Light
on.
melo
H20 -
Plant
han. zims12 did w
rollibee
into do
and had
b
Which gas would most likely be found in the greatest amount in the bubbles?
(1) oxygen (2) nitrogen (3) ozone
(4) carbon dioxide
2
Answer:
oxygen
Explanation:
oxygen would most likely be found in the greatest amount in the bubbles
quizlet
Where in a eukaryotic cell would you find chromatin?.
Answer:
Nucleus
Explanation:
The chromatin is located in the nucleus, The answer above is plagiarized so be careful
When the sensory impulses from a receptor organ cross over through the spinal cord to activate effector organs in the opposite limb, the proper term for this phenomenon is ______.
Answer: contralateral
Explanation: Contralateral is a term that references the opposite side of something. 'Contra' means opposite or contrasting while 'lateral' means side. It is usually used in regards to the opposite side of the body from which something occurs. Hope this helps!
The process where DNA is copied is know as
Answer:
Replication
Explanation:
The process that copies DNA is called replication. Replication involves the production of identical helices of DNA from one double-stranded molecule of DNA. Enzymes are vital to DNA replication since they catalyze very important steps in the process.
which is the best description of the characteristics of the asthenosphere?
A. Solid, but flowing like putty
B. Liquid, but dense
C. Solid metal that is hot
D. Brittle metal that is shifting
On earth as a whole what happens to most of the precipitation?.
Answer:
It is returned to the atmosphere through evaporation and transpiration.
Explanation:
Hope this helps! :)
The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. Coli? restriction organism recombinant organism transgenic organism vector organism.
Genetically modified and engineered organisms are that can produce the gene and the product of interest when modified. Escherichia coli is a transgenic organism.
What is a transgenic organism?
A modified organism through the genetic and molecular pathway alteration is called a transgenic organism. Various techniques are employed to alter the genetic mechanism of the organism.
They are prepared by inserting a genetic fragment of interest from some other species by the method of recombination technology and genetic engineering.
The organism in which the insertion and the alteration are done to produce the product of interest are transgenic. Here E.coli get altered by the insertion of the human insulin-producing gene.
Therefore, option C. transgenic organism is correct.
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An artificial method of dispersal seed is (1) Explosion 2) Parachute 3) Censer mechanism 4) Introduction
Answer:
Explosion
Explanation:
Deliberate seed dispersal also occurs as seed bombing.
wikipedia
The __________ is the innermost region of the brain. A. Forebrain B. Midbrain C. Hindbrain D. Brainstem Please select the best answer from the choices provided A B C D.
Answer:
The correct answer is option D, that is, brainstem.
The innermost region of the brain is known as the brainstem, which continues with the spinal cord. It is the part of the brain, which associates the cerebrum with the spinal cord. It comprises the medulla oblongata, pons, and the midbrain. The sensory and the motor neurons pass via the brainstem permitting for the transmission of signals between the spinal cord and the brain.
Explanation:
Which is an example of the Earth's spheres interacting?
SELECT ALL THAT APPLY!
Answer:
All the spheres interact with others spheres. for example , rain(hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and riviers that provide drinking water fore wildlife and humans as well as water for plant growth
Which of the following is not true about Darwin’s book On the Origin of Species? a. He worked on the manuscript for three years. B. It was successful. C. It explained his theory of evolution. D. It was based on his findings in South Africa. Please select the best answer from the choices provided A B C D.
Answer: the other person is correct!!
Explanation:
it is D, took the test, edge 2022