winter
Explanation:
because during winter animal are few
Why does the land on earth appear to be stable when in fact it is changing?
What is the difference between binary fission and cytokinesis
Answer: Binary is as3x7al reproduction by a separation of the body into new bodies .
Cytokenisis : The process by which one cell physically divides into two cells. 4 places in four stages basically what it does by first second etc initiation , contraction , membran3 insertion and completion,
You are knowledgeable about cellular metabolism. Which of the following processes is common to fermentation, anaerobic respiration, and aerobic respiration?
a. glycolysis
b. the Krebs cycle
c. the electron transport system
d. glycosylation
Answer:
the electron transport
What are the minimum energies of the two oppositely directed gamma rays in a pet procedure?.
Answer:
0.51 1 MeV
Explanation:
-mec2 is the rest energy of the electron (0.511 MeV)
-Pair production and triplet production are followed by the annihilation of the positron with a ‘free’ electron producing two annihilation quanta, most commonly with an energy of 0.511 MeV each and emitted at 180º from each other to satisfy conservation of energy, momentum and charge.
Most water is reabsorbed from the filtrate by which region of the nephron?.
The main function of the nephron is to regulate water and other substances within the body where 67% of filtered water is reabsorbed in the proximal convoluted tubule by osmosis.
What is a nephron?It is a complex structure made up of elements such as the loop of Henle, the distal convoluted tubule, the proximal convoluted tubule, and the renal glomerulus.
Through the afferent arterioles, the blood plasma reaches Bowman's capsule, where the glomeruli are located, then the filtered fluid goes up to the proximal convoluted tube for another filtration to take place and part of the water is reabsorbed, the glucose, sodium and amino acids.
Therefore, we can conclude that water reabsorption along the nephron follows solute reabsorption and occurs in the proximal convoluted tubule by osmosis.
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What is a trophic level?
A. the amount of energy that an organism uses to survive in an ecosystem
B. all of the nonliving things in an ecosystem
C. a model used to show the types of organisms in an ecosystem
D. a living organism's position in the flow of energy through an ecosystem
Answer:
D. A living organisms position in the flow of energy through an ecosystem.
Explanation:
Its like each step up in the food web/pyramid.
Trophic level is a living organism's position in the flow of energy through an ecosystem. The correct option is D.
A biological organism's place or function in the movement of energy through an ecosystem is referred to as its trophic level. It symbolises the ecological community's hierarchy of feeding.
A trophic level's inhabitants have comparable feeding habits and occupy a certain place in the food chain.
The first trophic level is occupied by the primary producers, including plants and algae, which use photosynthesis to transform sunlight into energy.
The second trophic level is occupied by herbivores that consume producers directly, followed by primary carnivores (predators that consume herbivores) on the third level, and so forth.
A complex network of energy flow and nutrient cycling occurs within an ecosystem at each trophic level as creatures consume and are consumed by one another.
Thus, the correct option is D.
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The most abundant bulk elements that make up the vast majority of living organisms are:.
Answer:
Carbon, oxygen, and hydrogen.
Answer:
The answer is oxygen, carbon and hydrogen
Explanation:
.
which substance is a nuclei acid
Answer:
Nucleic acids are polynucleotides
Explanation:
Hope this helps
Answer:
Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)
Explanation:
Nucleic acid are made from monomers known as nucleotides. Each nucleotide has three components: a 5-carbon sugar, a phosphate group, and a nitrogenous base. If the sugar is deoxyribose, the polymer is DNA
write down the function of gynoecium
Answer:
The female reproductive organ of angiosperms, the gynoecium, often consists of the fusion of multiple ovule-bearing carpels. It serves the important function of producing and protecting ovules as well as mediating pollination.
Explanation:
Hope it helps(・∀・) Correct me if I'm wrong(๑•﹏•)
What happens when 2 objects fall in a tight closed room?
Answer:
all objects free fall at the same rate regardless of their mass.
Explanation: Heavy objects fall at the same rate (or speed) as light ones
Which of the following explains why animals need more food when it is cold?
PSYCHOLOGY: Personal characteristics such as one’s __________ and __________ are often stable throughout one’s lifetime. A. temperament . . . emotionality B. attitude . . . intelligence C. temperament . . . attitude D. emotionality . . intelligence
Answer: A. temperament . . . emotionality
Answer:
A : temperament . . . emotionality
Explanation:
How do the kidneys compensate for acid-base imbalances?.
Kidneys compensate for acid-base imbalances by : Reabsorbing HCO₃ from urine back to the blood and also secreting H⁺ back to the urine.
Acid-base ImbalanceWhen the amount of acid or base produced in the human body is greater than or less than the required amount of acid or base, and the rate of excretion by the kidneys is above or below normal, the body will experience an Acid-base imbalance situation.
To correct acid-base imbalance in the body the kidney will reabsorb HCO₃ form the urine and while secreting Hydrogen ions back to the urine.
Hence we can conclude that Kidneys compensate for acid-base imbalances by : Reabsorbing HCO₃ from urine back to the blood and also secreting H⁺ back to the urine.
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Write short notes on Red panda.
7 Use the information and your knowledge of science to answer the question.
During an investigation, two German Shepherds with long hair were each bred with a German shepherd with short hair in
a first-generation cross. The offspring from each first-generation cross were then bred to produce a second-generation
cross
Which questions could be answered using the results of this investigation?
The questions which could be answered using the results of this investigation include:
Is hair length in German shepherds a dominant or recessive trait?Is long hair in German shepherds an inherited trait?What percentage of offspring in the second generation of German Shepherd's are homzygous for the recessive hair length trait?What is an Investigation?This involves the process of searching for facts in order to solve a complex situation.
The cross breeding of the two German shepherds with various features will give rise to the questions given above.
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Helium has an atomic number of two because it has two ____________ . A atoms B protons C neutrons D molecules
Answer:
The answer to that question is A
7. Discuss the practical and theoretical differences between an interval training program used to improve the ATP-PC system and a program designed to improve the ATP production via glycolysis.
The ATP-phosphocreatine (PC) system is more suitable in conditions of high energy expenditure, whereas glycolysis is a step during cellular respiration.
What is cellular respiration?Cellular respiration is a chemical process by which aerobic cells generate energy in the form of ATP by using foods as a source of energy in presence of oxygen.
During cellular respiration, glycolysis (glycolytic pathway) is the first step for ATP production.
The ATP-PC system is anaerobic, works in hypoxia conditions (oxygen absence), and is faster to provide energy than cellular respiration.
However, the ATP-PC system is energetically less efficient than cellular respiration in terms of the number of ATP molecules produced per unit of glucose.
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Is the "Kingdom" level more specific or less specific then the "Domain" level?
Answer:
It is less specific. I know it can be hard to memorize all of the taxa but I just try to use a mnemonic (which I included below)
Explanation:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
*Remember that in order to give an animal a scientific name we use the genus and species. Scientific names are always italicized and the Genus will be capitalized while the species is lowercase. The genus comes first.
Here is a mnemonic to help memorize the 7 taxa (Taxa is just the fancy word for each group in our classification system) Daring Kings Play Cards On Funny Green Stools.
Tip: The top of the category is the broadest and the further down you go, the more specific your categories get.
I hope this helps! ;)Answer:
Yes. Less specific. Kingdoms are slightly more specific than Domains. Remember that living things are always divided into 5 kingdoms.
AnimalsPlantsFungiProtistMoneraAn easier way to remember this mnemonic sentence, Any popcorn for perfect movies? Try writing it down with the meaning behind it! It will help you a lot. And remember the levels of classification:
DomainKingdomPhylumClassOrderFamilyGenusSpeciesThe higher the list is, the less specific, the lower, the more specific. You may want to write down this mnemonic sentence as well, to help you remember the levels of classification; Did king Philip come over for grape soda?
based on data from 2013 the majority of landfill waste cones from
MSW continues to be dominated by organic materials such as paper and paperboard, yard wastes, and food. Paper and paperboard make up 27%, while yard trimmings and food make up another 28.1 percent.
what is system. mention one system of human body
Answer:
A system is the combination of different kinds of organs for functioning or performing special tasks in our body. For Example : Skeletal System.
Please help me
Mendelian Genetics - Punnett Square
In humans, curly hair is dominant over straight hair. A woman heterozygous for
hair curl marries a man with straight hair and they have four children. Predict
their childrens" genotype and phenotype.
Answer: Look at the image bellow because I couldn't add an answer due to a glitch. Hope this helps!
The nervous system has two main divisions, which include the central nervous system and the _____ nervous system.
Answer:
peripheral
Explanation:
The sum of the genetic traits in this population is called its V gene pooly. COMPLETE In guinea pigs, fur length is controlled by one gene. The Fallele generates long fur and the f allele generates short fur. Because only one F copy is needed to show the trait, if a guinea pig has the FF or Ff allele combination, they will have long fur. If they have the ff allele combination, they will have short fur. There is a total of 7 8 alleles in this population, There are 5 Falleles in the population. There are 3 ✓ falleles in the population. Look at the data for a guinea pig population to answer the following questions. COMPLETE Guinea pig 1: Long fur (FF) Guinea pig 2: Short fur (ff) If having long fur helps a guinea pig survive, what would you expect to see change in the population as it evolves? Guinea pig 3: Long fur (FF) DONE Cuinas nin 1. Innn fuar (Cf)
If having long fur helps a guinea pig survive, then it is expected to see the F allele is more common in the population as it evolves.
What is natural selection?Natural selection can be defined as the process of differential survival and reproduction of the fittest organisms.
The fittest organisms are life forms that have allele combinations favoring their survival and reproduction.
In this case, the F allele is an adaptive allele associated with higher fitness in the population.
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True or False: A trait is only considered an adaptation if it is beneficial to the organisms current environment
Answer:
this statement is false:
Explanation:
natural selection is a process im which organism evolve to become better adapted to their environment
In the past 150 years, CO 2 emissions have risen by nearly 50%. What has dramatically increased during this time that has led to this increase in CO 2
Reliance on fossil fuels like coal, natural gas and oil has led to the increase in CO₂.
What is Fossil fuel?These are hydrocarbons which are formed from plant and animal remains and are burned as fuel.
When burned they give out gases such as carbon dioxide due to its organic content which has led to its increase over the years.
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If a person inherits genes for a dark complexion and blue eyes from their parents, what aspect of inheritance does this refer to
The answer is Genotype.
What is Genotype?-
A phenotype is an individual's observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.
Blood has traveled from the heart to the toes. Which describes the next step
of the circulation process?
• A. The blood releases carbon dioxide on the way back to the heart.
•
B. The blood goes through the liver to be cleaned.
O C. The blood travels back to the heart in a vein.
• D. The blood travels to the lungs to get oxygen.
Which process is a characteristic of all living things and is responsible for differences within a population?
growth
fertilization
development
reproduction
Answer:
All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.
Explanation:
All living organisms (whether they are bacteria, archaea or eukaryote) share several key characteristics, properties or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation (including homeostasis), energy processing, and evolution with adaptation.
How does an activated receptor transfer information into the cell?.
Answer:
by altering the ligand-binding site of the receptor - by increased translation of the receptor - by decreased phosphorylation of the receptor - through a conformational change of the receptor...
Explanation:
The magnetic force will push magnets apart if you hold the
Your answer:
north poles of two magnets close together.
south poles of two magnets close together.
north pole of one magnet near the south pole of another magnet.
Both (a) and (b)
Answer:
D. both a and b
Explanation:
If you hold the north poles of two magnets close together, the magnetic force will push the magnets apart. The same is true if you hold the south poles close together. If you hold the north pole of one magnet close to the south pole of another magnet, the magnetic force will pull the magnets together.
