Answer:
it would drastically increase
Explanation:
Studies have shown that the increased amount of pollution has led to a drastic decline in the number of white-colored moths. Therefore, if pollution decreased and the environment was restored, then white-colored moths would once again thrive and their population would drastically increase. This is because, with less pollution, the white-colored moths are much harder for predators to see and are able to blend in easier with their surroundings. This therefore, allows them to survive long enough to reproduce.
why is the air temperature in the rain forest of Peru so warm?
Answer:
Because Peru is located between the equator and Tropic of Capricorn. Since it is in the tropics, one might expect Peru to be a country of extreme heat and heavy vegetation.
Explanation:
Please help honest answers only!! How could wildfire immediately impact competition in a forest ecosystem? (1 point)
Competition would decrease. Many ecosystems rely on wildfire to restore nutrients and germinate seeds; therefore, wildfire would
increase resources available, lowering competition
Competition would increase. Wildfire would increase the scarcity of resources, causing individuals to compete at higher rates.
Competition would remain the same. Wildfire would increase the scarcity of resources and decrease individuals competing.
effectively balancing each other out.
Competition would decrease. Wildfire would decrease the number of individuals competing for resources, making more resources
available per individual.
Answer:
I think its b. Competition would increase. Wildfire would increase the scarcity of resources, causing individuals to compete at higher rates.
Explanation:
not 100% sure tho
Wildfires can immediately impact competition in a forest ecosystem because wildfires would increase resource scarcity, causing individuals to compete at higher rates.
What are the consequences of forest fires?In addition to destroying native vegetation and killing many wild animals, a forest fire can also cause serious financial damage and even endanger the lives of people and domestic animals.
With this information, we can conclude that wildfires can immediately affect competition in a forest ecosystem because wildfires would increase resource scarcity, causing individuals to compete at higher rates.
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temperature usually increase when water condenses. which behavior of water is most directly responsible for this phenomenon?
Answer:
the release of heat by the formation of hydrogen bonds.
Explanation:
Temperature can be defined as a measure of the degree of coldness or hotness of a physical object. It is measured with a thermometer and its units are Celsius (°C), Kelvin (K) and Fahrenheit (°F).
Condensation can be defined as a process which typically involves the change in the physical state of matter from the gaseous phase into a liquid phase i.e water changing from gas (vapor in the air) into a liquid form.
Temperature usually increase when water condenses. This phenomenon is as a result of the release of heat (exothermic reaction) by the formation of hydrogen bonds in water i.e hydrogen-hydrogen bond in water molecules formed by the chemical elements; oxygen and hydrogen.
I will give Brainliest!!!!!!!
Answer:
synthetic:.
chemically processed
not environmentally friendly
durable
nylon polyester plastic
resistance to insect
natural
natural obtained
environmentally friendly
not durable
cotton
food for insect
I am not sure about wool and food for insect sorry
hope it helped
Write the tRNA anticodons for the following strand of mRNA.
AGA GAU UCA GCU AGC ACG AUA
Answer:
UCU CUA CGA UCG UAU
Explanation:
Those are the answers above.
Land breeze happens at night.
A. True
B. False
Answer:
true
Explanation:
the answer is A
land breeze is the opposite of sea breeze.
sea breeze accurs during the day
Land breeze occurs during night
can someone help with this question its due in 10 minutes
Answer:
The waves have eroded the sand and then deposited some of it in the water.
Cells convert food into usable energy in a structure known as the powerhouse of the cell, or the ________. vacuole vacuole chloroplast chloroplast nucleus nucleus mitochondria
Answer:
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis
Chemostat culture with protozoa Tetrahymena thermophila protozoa have a minimum doubling time of 6.5 hours when grown using bacteria as the limiting substrate. The yield of protozoal biomass is 0.33 g per g of bacteria and the substrate constant is 12 mg l1 . The protozoa are cultured at steady state in a chemostat using a feed stream containing 10 g l1 of nonviable bacteria. (a) What is the maximum dilution rate for operation of the chemostat
Answer:
The correct answer is - 3.3 g/L.
Explanation:
It is known that if endogenous metabolism is not important then,
µnet = µmax = 0.693/doubling time.
Given:
doubling time = 6.5 hr, therefore,
µmax = 0.693/6.5 = 0.1/h
Formula:
First, maximum dilution rate Dmax,
Dmax = µmax*[S0]/{Ks + [S0]}.........(1)
Steady-state cell concentration, X
X = Yx/s{[S0] - KsD/(meumax - D)..........(2)
Solution:
Yx/s = 0.33 g/g-substrate;
Ks = 12 x 10-3 g/L; [S0] = 10g/L,
puting value in (1)
Dmax = 0.1 * 10 / (12 x 10-3 + 10)
= 0.1/h.
Now it is given that operating D is 1/2 of Dmax, therefore,
D in our case will be = 0.05/h
concentration of protozoa cells from equation (2).
Therefore, X = 0.33*{10 - 12 x 10-3 * 0.05/(0.1 - 0.05)} = 3.3 g/L.
How do you think Earth manages to have a continuous supply of oxygen, carbon dioxide, and nitrogen when they are constantly used by living things?
Answer:
It's all a part of a very complex cycle… one thing feeds into another making an almost infinite loop.
The problem with the existence of humans is that we are interrupting the cycle by pumping out carbon dioxide at unsustainable rates. Nitrogen based fertilizers are causing massive algal blooms causing fish die offs on unprecedented scales… but I digress.
Long story short: the Earth is a biosphere with a beautiful balance that it seems humans seem dead set (pun intended) to throw out of harmony into chaotic turmoil.
Explanation:
because yes
Earth manages to have a continuous supply of oxygen, carbon dioxide, and nitrogen when they exist constantly utilized by living things because it exists as part of a complex cycle named the nutrient cycle.
What is meant by nutrient cycle?The soil's minerals, decomposing leaves and wood, water from snowfall and rain, as well as species that live above and below ground (the soil is alive! ), all contribute to the nutrient cycle. Trees and other plants take up nutrients from the soil, both mineral and non-mineral, through their roots.These nutrients are kept in reserve by plants in their leaves, flowers, and other parts. When animals eat plants, the nutrients either go back to the ground or are delivered to the animals.Arthropods, earthworms, fungi, and bacteria in the soil break down dead plants and animals. The decaying matter is ground up and combined with the soil by arthropods and earthworms.Some of the more complicated substances can be disassembled and divided into smaller parts by fungi.To learn more about the nutrient cycle, refer to:
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Crossing over plays a critical role in increasing the genetic variation among offspring of sexual reproduction.
a. True
b. False
Answer:
T
Explanation:
I Got It Right.
PLEASE HELP!!
Which of these is necessary for gas exchange in the respiratory system?
a.At least 30% oxygen in the air
b.The exchange surface must be moist c.The air must be cooler than body temperature
d.The blood cannot be moving
Crossed extensor reflex is a
Answer:
The crossed extensor reflex is a type of motor response that occurs to tactile stimulation of a lower limb. This, like other reflexes, is an indication of the proper integration and development of the central nervous system.
Explanation:
Stimulation on one side of the body can produce, in addition to the ipsilateral response. The crossed extensor reflex is a type of motor response, reciprocal innervation is involved: the flexor muscles of the stimulated limb contract at the same time that the extensors of said limb are inhibited. Coupled with flexion of the stimulated limb, the reflex produces an opposite effect in the contralateral limb: the extensor muscles are activated and the flexors are inhibited, this cross-extension reflex increases postural support during withdrawal of the painful stimulus.
38. In asexual reproduction, a single
parent passes copies of all of its
genes to each of its offspring.
When is asexual reproduction in
plants advantageous?
F. when the environment is
unstable
G. when there is little competi-
tion for resources
H. when plants are well adapted
to the environment
I. when there are multiple dis-
ease agents in the environment
Asexual reproduction in plants is advantageous when plants are well adapted to the environment that is present in Option H, as plants that are well adapted to their environment are more likely to produce offspring that can thrive in that environment as well.
What is asexual reproduction?Asexual reproduction allows for the efficient production of genetically identical offspring without the need for finding a mate or investing energy in gamete production, and this can be particularly advantageous in stable environments where there is little change and plants can thrive without the need for genetic diversity. In plants, asexual reproduction can occur through various means, including vegetative reproduction, where new plants are produced from parts of the parent plant such as stems, leaves, or roots.
Hence, asexual reproduction in plants is advantageous when plants are well adapted to the environment that is present in Option H.
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A rabbit population's birth rate is 200 rabbits born/year. The death rate is 150 rabbits dying/year.
Is the population of rabbits growing or shrinking? Explain by calculating the growth rate.
Answer:
It's growing
Explanation:
The growth rate is 50 rabbits per year
If all the offspring of a particular cross have the genotype Gg, what must the genotype of the parents be?
Answer:
GG and gg
Explanation:
why many are dying because of having Co.vid Vaccine??
Answer:
milllions of millions people
2. How much is the average temperature at depth of 10 km of earth surface?
A) 200 °C
C) 650°C
B) 900°C
D) 20°C
The average temperature at depth of 10 km of the earth's surface is 200°C. Thus, the correct option is A.
What is the average temperature?An average temperature may be defined as the annual mean temperature of any geographical location which is estimated approximately by the average temperature of the maxima and minima for the warmest and coldest months of the year.
It is the principle that the increase in the depth below the surface of the earth ultimately leads to the rising of average temperature. This is due to the process of apparent heat.
It may be possible that higher or lower temperatures also occur. but the average temperature at depth of 10 km of earth surface should approximately remain 200°C. It is a factual type of question.
Therefore, the average temperature at depth of 10 km of the earth's surface is 200°C. Thus, the correct option is A.
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Scientists conduct many types of scientific investigations. Their efforts often include fieldwork, surveys, models, and experiments. Which statement about scientific investigations is true?
They rarely involve the collection of data under controlled conditions.
They follow exactly the same steps because there is only one scientific method.
They include multiple trials to increase the consistency of the data that are collected.
Their primary focus seldom includes comparing or describing the unregulated world.
What is the function of histones- proteins that aide in dna replication
Answer:
Nucleosomes in turn are wrapped into 30-nanometer fibers that form tightly packed chromatin. Histones prevent DNA from becoming tangled and protect it from DNA damage. In addition, histones play important roles in gene regulation and DNA replication. Without histones, unwound DNA in chromosomes would be very long.
20. Process through which pollutants get increasingly more concentrated each step up the food chain.
bloaccumulation
risk assessment
toxicity
biomagnification
Answer:
bioaccumulation of chemicals is the problem concerning all living organisms. This is the result of dynamic equilibrium between the uptake and elimination. The extent to which bioaccumulation occurs determines the toxic effects which are manifested. In some cases, the mechanisms of protection from certain undesirable substances deposited in special sites, to prevent their participation in the metabolic reactions, have evolved. The knowledge on bioaccumulation enables to assess the risk related with the presence of various chemicals in the environment, food, and at workplace and to present quantitatively the ability to control the use and emissions of chemicals.
What functions are performed by the large intestine's
normal flora?
These bacteria are important in digestion and in keeping your large intestine healthy. The good bacteria that live in your colon are called your normal flora. They help prevent bad bacteria from multiplying and causing problems.
following the laws of Convervation of matter, 10 grams of iron combined with 5 grams of sulfur will yield _____ grams of iron sulfide
Answer:
15
Explanation:
Since the law of conservation of mass applies to all the chemical reactions this will also end in 10+5 equalling 15 grams
TRUE or FALSE
Visible light has very short wavelengths.
If FALSE explain:
PLEASE HELP!!!
Thx
Explain two (each) methods of micro-organism control for Malaria and Rabies
Explanation:
Vaccination and use of quinine drugs
The interaction of the skeletal and muscular systems for movement is coordinated by which human body system.
A. Circulatory
B. Excretory
C.Respiratory
D.Nervous
Answer:
D: Nervous system
Hope this helps!
Which best summarizes the article? achieve 3000 New Life at. Yellowstone
A. New life has appeared in Yellowstone 20 years after wildfires scorched the park
B. Wildfires burned 1375 square miles (4 856 square kilometers) in and around Yellowstone Park in 1988
C. Oficials in Yellowstone re examined a policy that allowed wildfires in the park
D. Drought once dried out trees in Yellowstone and helped fires spread out of control
Factors that control traits are called?
a. genes.
b. purebreds.
c. recessives.
d. parents
Answer:
A. Genes
Explanation:
Which cell division phase is shown in the image?
A) metaphase
B) anaphase
C) prophase
D) telophase
Answer:
a
Explanation:
metaphase - the chromosome line up at the equator
Answer:
C. Anaphase
Explanation:
During anaphase, the chromatids line at the center
Migrating fibroblasts can be treated with various chemical agents while they are migrating. Explain what you expect for each of the following conditions.
a. The cells are injected with large amounts of purified gelsolin, and the live cells are observed periodically.
b. The cells are treated with latrunculin A, the drug is washed out, and the live cells are observed periodically.
c. The cells are treated with a chemical fixative and prepared for electron microscopy. Their actin filaments are decorated with myosin S1 subfragments, and you examine in which direction the arrowhead-shaped decorations are pointing in the filopodia of the fixed cells.
Answer:
c
Explanation: