Answer:The ultimate source of all genetic variation is mutation. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele. Recombination also can create a new DNA sequence (a new allele) for a specific gene through intragenic recombination.
Explanation:
Which of the following environmental parameters would be important to monitor in order to ensure sustainable logging?
A. The number of trees cut down versus number trees burned
B. The number of new trees planted to replace those removed
C. The number of trees needed to increase soil fertilization
D. The number of trees removed within a single species
Answer:
B. The number of new trees planted to replace those removed
Explanation:
Because to ensure that logging is sustainable, they have to sustain a certain ratio of trees cut down, to trees planted. D. The muber of trees removed within a single species could be right, but I think B is more right.
If you get this wrong you can blame it on me.
Answer:
The number of new trees planted to replace those removed
Explanation:
What is the area of a square if the perimeter is 40
units?
Answer:
this is the ans
Explanation:
first we have to write formula of area of square is
[tex]l {}^{2} [/tex]
The diagram below represents a top view of a river a emptying into an ocean bay. A - B is a reference line along the bottom of the bay. Which characteristic would most likely decrease along the reference line from A to B? (1) the amount of salt in solution (2) the size of the sedi ments (3) the density of the water (4 ) the depth of the water
Answer: D
Explanation: it’s the size of the sediments
5. The lion researchers in the film have studied 20% of the park and identified 41 lions. (Show your
work/justify your answer for each section.)
a. The entire Gorongosa park is 4,000 km². Approximately how large (in km) is the portion of
the park that has been studied?
ASAP PLSS
Answer:
800 km²
Explanation:
If the researchers have studied 20% of the 4000 km² park, to find out how much of the park in km they have studied, all you have to do is find 20% of 4000.
4000 x .20 = 800
800 km² is your answer.
If the area of the entire Gorongosa park is 4,000 km². Among which, 20% of the park is already studied, it means 800 [tex]km^2[/tex].
What do you mean by the researcher?A researcher may be defined as a kind of person who significantly carries out academic or scientific research in order to find some unrevealed data and information.
According to the question,
The total area of Gorongosa park = Gorongosa park is 4,000 km²
The area which is already studied = 20%.
Now, you have to find the area that is already studied in km. So, you have to calculate the 20% of 4,000 km².
The area which is already studied = 4000 × .20 = 800 [tex]km^2[/tex].
Therefore, if the area of the entire Gorongosa park is 4,000 km². Among which, 20% of the park is already studied, it means 800 [tex]km^2[/tex].
To learn more about Researchers, refer to the link:
https://brainly.com/question/28136063
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SUBJECT SCIENCE: how could the rocks from the Rocky Mountains and the Great Plains have such similar composition? (WRITE AT LEAST 5 SENTENCE)
It was the big day; Lance had been training for months in anticipation of the annual “Dasher Twenty-Six-Two.” As he laced up his sneakers, he thought back to the endless grind of aerobic training he had accomplished. Hour after hour of lung-burning, quad frying jogging on pavement and dirty. He was ready mentally and physically, plus he had a secret weapon ready to go. Lance had been experimenting in the use of a thick, sugar saturated gel-nutrition to supplement his running. He anticipated finishing just before the three-hour mark and he planned to eat his special goo around hour two for a much-needed energy boost. The goo solution was a mixture of maltose, sucrose, and glucose, as well as some salt. Water would be available on the course every few miles and with his nutrition plan set he found his way to the line. *BOOM*
The start gun leaked smoke as wave after wave of runner set off. Miles started flowing by… five miles feeling good… Mile thirteen halfway there! Just as the two-hour mark was upon him, Lance pulled the gel from his pocket and slurped the gooey syrup down. Mile fifteen Phew, heavy legs… Mile eighteen Legs are burning but I got it… then came a hit of fatigue.
He had read about this before. The dreaded bonk. Bonking was said to be the final drips of glycogen being removed from the muscle’s cells, with an accompanying burn suggesting rapid production of lactate. It also meant he had spent the last two hours less aerobic than he thought. Making it to mile twenty-two, Lance noticed his heart rate ten-beats over his planned pace. His breath was getting harsher, his legs getting weaker. The mile twenty-four marker went by and he was down to nearly a walk, lips dry and stomach lurching. The last half mile was a blur as Lance crossed the line his raised arms quickly fell, and so did he, right into a chair near the finish line.
Discuss the necessity of Lance’s training to prepare for his ability to fuel a marathon with specific reference to the major organ systems involved and their purpose. Identify the needed reactants and excreted products Lance utilized during his ongoing respiring, with specific reference to where each is created or used. Finally, predict the influence of his experimental goo and suggest advantages and disadvantages to its use, as well as better use with reference to time and impact on the ability to enter and circulate to where it would be needed
If someone answers this I will believe in humanity again
Which circuit would have the most electrical power?
OA 12A
V0.14 V
oBi22A
0.19 V
O20A
V0.17V
O116A
V025y
025v
Answer:
the answer is oa 12a
\
Explanation:
Using the data provided, how can we describe the difference between amplitude of an average wave in location B?
Compared to location A, an average wave in location B
A.
has more distance between it and the next wave.
B.
has less energy.
C.
is higher from the bottom to the top of the wave.
D.
has less distance between it and the next wave.
Answer:
has less distance between it and the next wave
Evaluate the evolutionary benefits of regulating an internal variable, such as body temperature, versus the cost.
Answer:
The benefits of being able to regulate the internal body temperature are many and it is considered a beneficial evolutionary character, since in this way the living organism is better maintained in relation to the environment, and it achieves better balance.
Reptiles cannot control their internal temperature, it depends on the external one, that is why to warm their body they need to be in the sun, and to cool down in the shade or in temperate places.
This is a little evolutionary characteristic since the environment is very changeable and the right or ideal temperature for the organism could not be controlled.
Explanation:
Faced with climatic catastrophes or extreme situations, living organisms cannot depend on the great climatic variants, in very cold situations one enters hypothermia and in very hot conditions the proteins are systematically denatured, entering a thermal shock.
4. How does temperature affect chemical weathering?
A. It is an agent of weathering.
B. It affects the amount of oxygen involved in weathering.
C. It affects the rate of weathering.
D. It affects the type of weathering.
Answer:
C.
Explanation:
It affects the rate of weathering.
Which two structures are found at the outside of the cell?
Answer:
All cells share common components: (1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell.
What are the metric units for acceleration?
Answer:
meter per second squared
The batteries in a flashlight are Dead and the flashlight no longer works. What happened to the energy that was in the battery
Answer:
See the answer below
Explanation:
When the batteries in a flashlight become dead and the flashlight no longer works, it means that the chemical energy present in the battery has been converted to electrical energy to power the touch and eventually got lost to the environment as heat.
In a typical flashlight that works with batteries, the chemical energy in the batteries is converted to electrical energy, and this powers the bulbs in the flashlight. Gradually, the electrical energy is converted to heat energy and this is lost to the environment by radiation. When all the energy is lost to heat, the batteries are said to be dead and the flashlight stops functioning.
Help me :(( please. It’s due soon
Answer:
I would guess B or C
Explanation:
I hope this helps
what is the dakota access pipeline
Answer: The Dakota Access Pipeline (DAPL) or Bakken pipeline is a 1,172-mile-long underground oil pipeline in the United States. It begins in the oil fields of the Bakken formation in northwest North Dakota and continues through South Dakota and Iowa to an oil terminal near Patoka, Illinois.
Explanation:
What is RNA primase's job?
-removing a few bases for DNA polymerase
-add a few bases for DNA polymerase
-removing a few bases for helicase
Answer:
The correct answer is - add a few bases for DNA polymerase
Explanation:
A short extended nucleic acid composed of ssRNA molecule. This is a molecule that synthesize a primer initialy and later again lay down a primer after the opening of replication fork by DNA helicase.
It sysntheisze before and after the helicase and follow the helicase in order to prepare for the replication process. Thus, adding a few bases for DNA polymerase is main job of RNA primase.
i need some help here now ASAP
Answer:
None of those, its called Soul Horizons
Explanation:
Answer:
Soil Layers also know as Soil Horizons.
Explanation:
true or false:
Fish are considered carbon-based organism
Answer:
Its how you see it.
Explanation:
1.Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.
2.All life on earth can be thought of as "carbon-based." Just be careful about turning this around backwards. It is true that all living things contain carbon compounds... but the opposite is not true. Just because a certain material is referred to as organic does not mean it is or ever was alive.
if something is burned a reaction has occurred
Answer:
true
Explanation:
When the reactants are heated, the average kinetic energy of the molecules increases. This means that more molecules are moving faster and hitting each other with more energy.
HOPE IT HELPS
Answer:
Combustion reaction
plz help me i beg of you!?
Answer:
abiotic factors
Select the group of organelles that is common to both plant cells and animal cells.
A.
cell wall, cell membrane, mitochondria
B.
cell membrane, mitochondria, cytoplasm
C.
cytoplasm, mitochondria, cell wall, nucleus
D.
nucleus, cytoplasm, chloroplasts
Answer:
B
Explanation:
Both cells have cell membranes, mitochondria ( they both do cellular respiration), and cytoplasm for structure
A species of elm has winged-seeds. How would biologists explain how a species of elm with winged-seeds evolved from an ancestral elm species without winged-seeds
Answer:
In an ancestral elm species, mutations gave rise to the phenotypic trait "winged-seeds". Subsequently, selection favored elm plants with winged-seeds that diverged over time to become a separate species
Explanation:
A mutation is a genetic change in the DNA sequence. In general, mutations have a negative impact on the fitness of the individual (i.e., mutations are generally deleterious) and therefore they disappear from the population. However, there are situations where mutations are beneficial and confer an adaptive advantage, thereby increasing their frequency in the population. In this case, mutations associated with the formation of winged-seeds conferred an adaptive advantage (i.e., higher seed dispersal capacity) to individuals who had this phenotypic trait, thereby these individuals had more chances to reproduce and pass their genes to the next generation. Eventually, Elm plants with winged-seeds accumulated sufficient genetic differences to prevent interbreeding, leading to the formation of a separate species.
Which statement best describes the overall chang
O One cell becomes two cells that have identical
OOne cell becomes two cells that have different
O Two cells become tWo cells that have identical
O Two cells become two cells that have different
Answer:number one
Explanation:
name two types of silkworms that are fed on mulberry leaves
An investigator wishes to use animals in an experiment that involves category B, C, and D activities performed on the same animal. How should the animal be categorized
Answer:
Category D
Explanation:
In the USA, the Federal Animal Welfare Regulations require that research laboratories report animal use according to the species as well as the number of individuals subject to experimentation procedures. Moreover, animal use for research/teaching purposes is also reported according to the classification by pain and distress categories. Basically, this classification has four categories (B,C, D and E) in increasing order according to the pain level suffered by research animals. Animals within Category D include those subjected to potentially painful or stressful procedures. In consequence, in this category, it is imperative the utilization of proper anesthetics and/or analgesics in order to diminish the pain and suffering of these animals at the lower level possible.
what happens to the chemical bonds during chemical reactions
What is the definition of "earth overshoot day?"
Answer: Earth Overshoot Day is the calculated illustrative calendar date on which humanity's resource consumption for the year exceeds Earth’s capacity to regenerate those resources that year. The term "overshoot" represents the level by which human population overshoots the sustainable amount of resources on Earth.
Which individual's reasoning do you agree with more and why?
Answer:
Your question doesn't make sense. Who is the individual in question?
Explanation:
Use the graph and the table above to complete the table by estimating the amount of energy transferred near location B.
A.
1600 kilojoules
B.
300 kilojoules
C.
800 kilojoules
D.
400 kilojoules
E.
3200 kilojoules
explain the process of DNA extraction and gel electrophoresis
Answer:
The process of that same framework in question is defined below.
Explanation:
The DNA was indeed prepared by mixing with either a dye as well as a radioisotope which enables the gel to have been recognized. The specific filaments would then be differentiated from one another DNA electrophoresis. The procedure occurs with the injection including its completely separate genetic code into boreholes that have already been reduced either at the final moment including its gel pavement.