what is a trophic level
each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.
Answer:
The trophic level of an organism is the position it occupies in a food web. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves.
please help me ( •᷄⌓•᷅ )
list three types of geographic barriers that may lead to the geographic isolation of a species.
Answer:
The Formation of a mountain range, The movement of a glacier, and the division of a large lake into many smaller lakes. Speciation can also occur if genetic changes cause two populations to become unable to mate with each other, even though they aren't geographically isolated.
Explanation:
The substrate in the C test tubes is
You are the proud owner of a purebred herd of Pietrain pigs. Pietrain is a lean breed of pigs, but it has a high frequency of Porcine Stress Syndrome (PSS). PSS has a major locus that controls its presence. There may be several modifier loci that affect the degree of PSS, they only have an effect if the PSS allele is present. The pigs can be screened for the presence of the allele by exposure to halothane gas. Stress susceptible pigs become rigid. There is now also a DNA marker to test for the PSS gene. Genetic Model HH = normal Hh = normal hh = exhibit PSS (react to Halothane 1 pts a) You test 100 random pigs in your herd for the PSS gene. 10 of them react to the gas What are the allelic frequencies in you herd? p =frequency of H = _________ q = frequency of h = _________
Answer:
p = 0.684
q = 0.316
Explanation:
Due to technical problems, you will find the complete explanation in the attached file.
HeLP PLZZZ. How was the elasticity related to the bounciness of a ball?
Answer:
elasticity is the ability of an object or material to resume its normal shape after being stretched or compressed; stretchiness.
For a ball to bounce, it must be made from materials with high elasticity so that they can maintain their shape instead of absorbing the impact of a toss, by changing shape. The elastic properties reduce the amount of deformity that comes from an impact, making it more effective at bouncing.
Explanation:
The bouncing of a ball mainly depends on two major factors one is the elasticity of the material of the ball and the other the force at which it is bound.
The elasticity is the ability of the material to resisting against distortion or change such as squeezing, stretching, and return to its original form again.
The elasticity is different for the different materials.Ruber is more elastic in comparison to metal, plastic, or marble.The ball bounce if dropped from a particular height due to its elastic property.When the ball hit the surface it squeezed and due to its elasticity, it returns to its original shape and rebound and bounce.Thus, the correct answer is - elasticity leads to an elastic collision and ball bounces.
Learn more about elasticity:
https://brainly.com/question/20323098
1. Seventy-seven thousand fans filled the stadium. As the
(11) fourth quarter began, only thirty-nine thousand, four
hundred remained. How many fans left before the fourth
quarter began?
Answer:
37,600
Explanation:
A scientist collected data using four different instruments. She organized her
results in a table, with the measurements from each instrument in a separate
column. The actual value is 10.9. Which column shows low precision and
high accuracy?
1
2
3
4
10.89.8
17.8 6.4
11.4 12.48.2
5.8
11.2 11.2 8.6
6.2
11.4 10.4 18.4 6.2
11.2 10.6 6.6
5.6
O A. 3
Ο Ο Ο
B. 1
C. 2
O D. 4
Answer: C.
Explanation:
9.8
12.4
11.2
10.4
10.6
How are carbohydrates broken down by living organisms?
Answer:
During digestion, starches and sugars are broken down both mechanically (e.g. through chewing) and chemically (e.g. by enzymes) into the single units glucose, fructose, and/or galactose, which are absorbed into the blood stream and transported for use as energy throughout the body.
You need to determine which degradable material to use as a tissue engineering scaffold for repair of a critical-sized bone defect. (A critical-size defect is one that will not heal unaided.) You are planning to seed the scaffold with cells then implant it into the defect. While the cells proliferate and generate bone, the scaffold will degrade and create void space into which the new tissue may grow. What
The question bus incomplete, below is the complete question;
You need to determine which degradable material to use as a tissue engineering scaffold for repair of a critical-sized bone defect. (A critical-size defect is one that will not heal unaided.) You are planning to seed the scaffold with cells then implant it into the defect. While the cells proliferate and generate bone, the scaffold will degrade and create void space into which the new tissue may grow. What degradation method would you prefer for this scaffold material and why ?
(Hydrolytic vs Enzymatic degradation, Bulk vs Surface degradation).
The correct answer to the question is Degradation via Hydrolysis.
This Degradation via Hydrolysis will be most preferred and suitable in this application because,as a result of the aqueous environment between the patients, the lack of need for placing a target on the degradation areas (Since it is implanted into the site that has defect, it is accessible by water because it is already localized).
The bulk degradation of the scaffold will also be considered because since the overall dimensions will be consistent, over a given period of time.
But if the material underwent surface degradation, the implant could loosen up before there is sufficient tissue repair has developed or even fall out of the defect..
Or any cells that are seeded can equally detached itself from the scaffold.
People's choices can have a positive or negative effect on their health. Describe one positive choice and one negative health choice a person could make. Be sure to explain how each could impact an individual's health and, if applicable, the health of others.
Answer:
try eating foods that have a unique taste that may appeal to you but are still healthy
Explanation:
One positive choice someone can make would be drinking more water. One negative choice someone can make would be smoking too many cigarettes. Drinking more water can boost your health by decreasing chances of digestive problems and increasing blood pressure. Also, smoking too many cigarettes can lead to heart diseases, lung diseases, and diabetes.
At which temperature does the motion of atoms and molecules stop?
0°C
0 C
0°K
0 K
Answer:
0 K
Explanation:
0 K represents Absolute Zero, which is when all atoms and molecules would stop moving.
Which of the following properties is considered the "true color" of a mineral?
a) luster
b) shine
c) streak
d) radioactivity
Answer:
C
Explanation:
i think cause i read about it long time ago
Do butterflies have one cell or multiple cells ?
Answer: Multiple
Explanation:
They start with around 50 and can grow up to 50,000.
Answer:
Multiple.
Explanation:
They have 2 types as well, scale cells and socket cells.
Question 3
9 pts
If you are pushing a box toward your friend with a force of 20 N, and your friend is pushing the box
toward you with a force of 30 N, what will happen to the box?
The box will move toward your friend with a force of 10N.
The box will move toward you with a force of 50 N.
The box will move toward you with a force of 10 N
The box will move toward your friend with a force of 50 N.
Answer:
The box will move toward you with a force of 10N
Explanation:
If you and your friend are pushing the same box with the same amount of force, those two forces will balance each other out, and the box won't move. In the question, 20N will cancel each other out, and there will be 10N. Your friend is pushing the box with more force than you, so it will move toward you with the remaining force of 10N
How does altitude affect climate patterns in a region?
Areas at high elevations have cooler temperatures.
Air continues to warm as it rises to a higher elevation.
Tropical regions do not have many differences in altitude.
High-altitude areas have less variation in seasonal temperatures.
Answer:
A. Areas at high elevations have cooler temperatures.
Explanation:
I got it right on EDGE 2021
Answer:
A. Areas at high elevations have cooler temperatures.
Explanation:
it's correct trust
Polymers...
A. can be dissembled and reassembled.
B. are consumed in reactions.
C. are fixed in shape forever.
+
Answer:
your answer is C. are fixed in shape forever
Part A Why are Northeast Pacific populations of transient and resident killer whales thought to represent different ecotypes rather than different species? View Available Hint(s) Why are Northeast Pacific populations of transient and resident killer whales thought to represent different ecotypes rather than different species? Transient killer whales prey on marine mammals, while resident killer whales prey on Chinook salmon. Transient and resident killer whales learn specific methods of hunting from older whales in their pods. Transient and resident killer whales differ in feeding culture but can mate and produce viable offspring in captivity. Transient and resident killer whales have different patterns of communication.
Answer:
Transient killer whales prey on marine mammals, while resident killer whales prey on Chinook salmon
Explanation:
Remember, the term "ecotypes" is used to refer specifically to the observable differences found in the various kinds of whales, which includes their breeding populations, their language of communication, social structure, the type of food they eat, and their hunting behavior.
Thus, in the case of transient and resident killer whales in the Northeast Pacific, they are thought to represent different ecotypes rather than different species the Transient killer whales prey (feed) on marine mammals, while resident killer whales prey on Chinook salmon. Also, whales are generally thought to belong to the same species.
Bees and birds visit flowers in search of pollen and nectar. In the process flowers are pollinated. What type of relationship is
represented?
A) mutualism
B)parasitism
C)commensalism
Answer:
This is A) mutualism because both species get something out of it : )
what glues together molecules in adhesion and cohesion?
Answer:
The water molecules property’s called polarity
Explanation:
11) Which two structures are found ONLY in plant cells?
Answer:
cell walls and chloroplasts
What are oligosaccharides used for?
Answer:
Fructo-oligosaccharides are made up of plant sugars linked in chains. They are taken from asparagus, Jerusalem artichokes, and soybeans, or produced in the laboratory. People use these sugars to make medicine. Fructo-oligosaccharides are used for constipation, traveler's diarrhea, and high cholesterol levels.
extract from my encyclopedia
Hope it helps ;)
Well, They are made for making medicines. A lot of people use it to lose wait and also to stop constipation. Some foods like artichokes, onions and asparagus include oligosaccharides.
I hope this helped! :)
5 common skin condition
Answer:
Hey mate here is ur answer....
Explanation:
Five ways to look after ur skin..
1. Never keep them dry use a normal moisturizer.
2. Always dry ur skin with a soft towel.
3. Use sunscreen whenever going out
4. drink enough water to keep ur skin hydrated
5. Don't use too much creams. use only when needed
which change of state involves an increase in energy as a matter change from one the next?
Answer: States Of Matter
Explanation:
Why does a water molecule, on average, stay in the ocean 333 times longer than in the atmosphere?
A)
it rains more over the ocean
B)
water cycles through the ocean much faster than the atmosphere
C)
evaporation happens only on the surface of the ocean
D)
water cycles through the atmosphere much faster than the ocean
The rock cycle forms new rocks using which of the following processes?
a. crystallization
b. compaction
c. erosion
d. all of the above
Answer is D.
Hope this helps
Kendra wishes to build a model of a carbohydrate molecule, ideally containing as many monomers as possible. Which set should she choose?
Answer:
Polysaccharides
Explanation:
Polysaccharides are sets of carbohydrates formed by the union of hundreds and miles of carbohydrate molecules, the set having the largest possible number of monomers
What is one major similarity between the government of South Africa and China? O.A. Both give all government power to a single political party. O.B. Both have traditionally discriminated against minority groups. O.C. Both have elections to decide on the country's most powerful rulers. O.D. Both allow a single leader to make all decisions for the country.
ANSWER:
its B!
South Africa is a representative democracy but it has discriminated against non-white people for a long time, and China is a dictatorship that discriminates against women
9. What do the microbes eat? Are they producers, consumers or decomposers?
Answer:
Microbes are decomposers. They eat all dead and decaying material.
Is a cell wall a prokaryote or a eukaryote?
Answer: prokaryotes
Explanation:
I’m pretty sure
Which of the following is an example of saturated fats?
A. Butter
B. Nucleotide
C. Vegetable oil
D. Rice
Answer:
A. Butter
Explanation:
Butter is a saturated fat. Saturated fats are usually solids at room temperature.
the answer to the question is butter
