Explanation:
because vaccine injected to them produces antibodies which fight against the bacteria
Severe flooding in an area caused a population of minnows to become split into two separate ponds. Prior to the separation, the male minnows all had a moderate number of spots.
Following the separation, the first pond was filled with larger fish that fed on minnows, so male minnows with fewer spots were better able to avoid detection by predators. The minnows in the second pond, however, had very few predators, and female minnows in this pond preferred to mate with males that had the most spots.
After many generations, the two minnow populations evolved into different species and could no longer interbreed.
Fish Species Average # of Spots
Original Species four to six
New Species 1 zero to two
New Species 2 eight to ten
Which of the following best describes why the two minnow populations evolved into separate species?
A.
Natural selection acted upon the traits of the minnows in the first pond only, causing these fish to evolve into a new species with new adaptations.
B.
Natural selection acted upon the traits of the minnows in the second pond only, causing these fish to evolve into a new species with new adaptations.
C.
The same selective pressures were acting upon both populations, leading to a decrease in genetic variation and the formation of two new species.
D.
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.
Darwin’s formula why is it so hard
Answer:
it is hard because u couldn't understand wt ur teacher's teaches u
Darwin's theory has two aspects to it, namely Natural Selection and Adaptation, that work together to shape the inheritance of alleles (forms of a gene) within a given population.
samajne se Sab easy hoga
Over the past four decades, researchers have identified many types of ______. Examples include growth factor receptors, transcription factors, and intracellular signaling proteins
Over the past four decades, researchers have identified many types of oncogenes, including growth factor receptors, transcription factors, and intracellular signaling proteins.
What are oncogenes?These are specific genes in an organism that can cause the formation of cancer. These genes are prone to defects that when activate, signal for a cell to become a tumor. The genes listed in the question are some examples of the types of cells that can be oncogenes.
Therefore, we can confirm that over the past four decades, researchers have identified many types of oncogenes, including growth factor receptors, transcription factors, and intracellular signaling proteins.
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helloooooooooooooooooooooooooooooooooooo
Answer:
hi
Explanation:
How does the shape of a protein relate to its function? Refer to specific details about this case and sickle cell anemia.
Answer: A protein's specific shape determines its function.
Explanation: If the three-dimensional structure of the protein is altered because of a change in the structure of the amino acids, the protein becomes denatured and does not perform its function as expected.
what do the two strands of DNA join together to form
Answer:
the two strands that join together are T-A the other two are G-C.
Explanation:
in dna these two strands pair together to make one
Humans use more fresh water for ________ than for any other purpose.
Answer:
hello.
The answer is “irrigating crops”.
Answer:
Agriculture
Explanation:
Humans use more freshwater for irrigating crops than for any other purpose.
What is the vector for transmission of yellow fever?.
Answer:
It's a virus.
Mosquitoes are the vector for the yellow fever virus.
Spread through Mosquitos making mosquitoes the vector.
Where are the muscles that allow the fingers to bend or straighten?
A.In the forearm
B. In the upper arm
C. In the hand
Can somebody help me me !!!
The most abundant high-energy compound in cells is.
Answer:
Adenosine triphosphate
Explanation:
For which of these reasons is the word expedite a verb?
O A. It can easily be pictured.
O B. It ends in -ite.
O C. It can be broken down into three parts.
O D. It has no antonyms.
Help
Answer:
answer is d
Explanation:
I just guest that hope it's correct
Answer: It ends in -ite.
During cell polarization, what are the two resultant edges called?
Answer:
The leading and trailing edge
Explanation:
Cutting the front edge of each wave's half cycle using leading edge dimming. Trailing edge dimming, on the other hand, eliminates the second half of each wave's half cycle.
~
During cell polarization, the two resultant edges are called the leading edge and the trailing edge.
What do you mean by Cell polarization?Cell polarization may be defined as a phenomenon by which cytoskeletal arrangement, extra- and intracellular signals, and organelle and membrane reorganization occur due to maintaining the cell shape.
Leading-edge works on the front edge and separates the half-wave cycle, while the trailing edge works on the back edge and cuts the second half of the wave.
Therefore, during cell polarization, the two resultant edges are called the leading edge and the trailing edge.
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If two organisms are in the same class, they must also be in the same
Answer:
yes
Explanation:
if they have similar structure they probably related
what is considered as the amount of matter in an object?
A.solid
B.liquid
C.volume
D.matter
What is considered as the amount of matter in an object?
The correct answer is Mass.
~ The right answer isn't included in the given choices. Perhaps the answer should be none of the above? Or letter D. is supposed to be Mass? Mass is known as the amount or measure of matter in an object.
Volume on the other hand is the measure of space that an object/matter occupies.
Flowering plants have two organ system which are
Answer:
Shoot organ system and root organ system
The FBI agents are called "Hoovers," a reference to legendary top-G-man be
Edgar Hoover, but also a clever reference to a vacuum cleaner brand. There
are numerous shots of vacuums being used to gather hair, dead skin cells,
and nails. Why are these materials being collected?
To extract DNA and use DNA fingerprinting to identify who was at
the scene of a crime.
0 To clean up the crime scene because it was really dirty.
To view the specimen under a microscope to determine who was at
the scene of a crime.
O To extract proteins and use protein fingerprinting to identify who was
at the scene of a crime.
We can confirm that the materials being collected at the crime scene are used to extract DNA and use DNA fingerprinting to identify who was at the scene of the crime.
How does DNA help identify suspects?This is due to the fact that the DNA of each individual is unique. Meaning that as long as the FBI has a database to compare it to, they can quickly identify whose DNA it is and confirm their presence at the crime scene.
Therefore, we can confirm that materials being collected at the crime scene are used to extract DNA and use DNA fingerprinting to identify who was at the scene of the crime.
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what physical transformations occurred to allow for the fully aquatic life modern whales have today?
Answer:
Over time whale's descendants spent more and more time in the water and their bodies became adapted for swimming. Their front legs became flippers. A thick layer of fat called blubber replaced their fur coats to keep them warm and streamlined.Explanation:
What is the only form of nitrogen that plants can absorb?.
The only nitrogen plants can absorb is nitrate. Nitrogen assimilation in plants. Plants absorb nitrogen from the soil in the form of nitrate (NO3−) and ammonium (NH4+). In aerobic soils where nitrification can occur, nitrate is usually the predominant form of available nitrogen that is absorbed.
hope this helps!
3.
Which statement is true about oils?
Oils do not contain important nutrients.
Healthy oils are high in saturated fats.
Oils make up their own food group.
Oils are one of the main sources of certain fats.
The statement that is true about oils is that Oils make up their own food group.
What is oil?.Oil refer to a nonpolar chemical liquid that is comprises of hydrocarbons and is both hydrophobic and lipophilic. Oils are flammable and surface active. Most oils are unsaturated lipids and oils are liquid at room temperature.
Therefore, Oils make up their own food group is true about oils because it is part of the six classes of food.
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Answer:
C/ Oils make up their own food
Explanation:
The image shows an aspect of human culture. Which aspect is illustrated in the image?
Answer: language
Explanation: trust me
show your work. This is a science question .
Since the formation of the San Andreas Fault system 25-30 million years ago, the juxtaposition of the Pacific and North American plates has formed many faults in California that accommodate lateral motion between the plates.
hope this helps
The diffusion of water molecules across a semipermeable
membrane and down a concentration gradient is known as
Answer:
Osmosis is the diffusion of water molecules across a semipermeable membrane from an area of lower concentration solution (i.e., higher concentration of water) to an area of higher concentration solution (i.e., lower concentration of water). Water moves into and out of cells by osmosis.
Can someone help me please?
Explanation:
the first one and the last one is transverse
Collaborations between environmental groups and business interests on environmental issues have resulted in successful partnerships. please select the best answer from the choices provided t f
Collaborations on environmental challenges between environmental groups and economic interests have resulted in effective collaborations, it is true.
What are environmental challenges?Due to urbanization and pollution, environmental problems are increasing every day.
The challenges are clean water, fresh air, shortage of food due to overpopulation, decreasing energy, global warming, etc.
To prevent these challenges to increase, many countries together working on it.
Many conferences and collaborations are done and are considered effective.
Thus, the given statement is true.
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Answer:
T
Explanation:
Edge 2022 trust the process
6. Blood type is determined by three alleles, A, B, and O. Use the
punnett square below to answer questions a through c.
a. What is the probability of an offspring with type A blood?
b. What is the probability of an offspring with type O blood?
c. What are the genotypes and phenotypes of the parents?
Answer:
a. AO
b. OO
c. AO and BO
What would be the appearance of a cell that completes mitosis without completing cytokinesis?.
Go to the Model tab at the bottom of the simulation, and select the Star-Planet orbit. Decrease the mass of the Star to the minimum possible amount, and begin the simulation. What happened? Why do you think this happened?
Answer: The orbiting body left the orbit. The gravitational attraction between the two objects was too weak for a stable orbit to form Explanation:Its right!!
Answer: The orbiting body left the orbit. The gravitational attraction between the two objects was too weak for a stable orbit to form.
Explanation:
The fundamental problem of not having enough resources to meet unlimited desires
is called…
A. Underutilization
B. Factors of Production
C. Scarcity
D.Shortage
Answer:
c. Scarcity is the right answer
The respiratory system is lined with a tissue layer known as the mucous membrane. We discussed how this layer helps to alter the incoming air in three important, beneficial ways. Explain the three ways the mucous membranes alter the incoming air and the benefit of each of these alterations
Warming, add moisture and trap depris are the three ways the mucous membranes alter the incoming air.
Role of mucous in breathingNasal mucous membranes are lined with small blood vessels that help to warm as well as humidify the air you breathe. They are also lined with cilia which is a tiny hair-like structures that help to trap the debris that you breathe in during inhalation.
So we can conclude that warming, add moisture and trap depris are the three ways the mucous membranes alter the incoming air.
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Which argument is BEST supported by the information given?
A
The earthworm and lizard evolved at the same time because of the absence of legs and hair
B
The lizard and humans share a common ancestor because of the presence of a backbone and legs.
С
The trout and humans share a common ancestor because of the presence of a backbone.
D
Earthworms were the most recent to evolve because of the absence of the derived characteristics
The lizard and humans share a common ancestor because of the presence of a backbone and legs statement is true.
What is Evolution?Evolution refer to the change or variation in in the characteristics of organisms over several generations and this depends on the process of natural selection.
some Organisms evolved from the same ancestors and they share some similarities in characteristics like hair, legs.
Humans and lizards evolve from same ancestors of over 320 million years ago.
Therefore, The lizard and humans share a common ancestor because of the presence of a backbone and legs statement is true.
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