Answer:gets longer as it contracts
Explanation:
What observation led Darwin to believe that the A. Demarlii is
terrestrial?
O They slowly crawl along the ground.
O They are found only in the center of the island.
O They have yellow-orange bellies.
O They weigh between ten and fifteen pounds.
Answer:
Explanation:
hi!
I think it is A
terrestial animals are animals that live on land ...it could be B but terrestrial animals are not only found on islands and A days they crawl in the GROUND
if you ask me I think it is tricky question on its own
hope it helps
Answer:
It is they are only found in the center of the island
Explanation:
What is the overall net gain of atp in aerobic respiration per one molecule of glucose?.
Answer:
38 ATP MOLECULES
Explanation:
Answer:
The answer is C.) between 30-40
Explanation:
explain the roles of mRNA and tRNA
High population densities in urban areas have advantages and disadvantages. List as many of each as you can and defend your conclusion. How could the disadvantages be eliminated or reduced? Use evidence to support your conclusion.
Advantages :- More human population so more workers in different fields,More economy growth,More tax payers, More funds, More diversity ,More share of people for particular programs.
Disadvantages ;- Burden on economy, More exploitation of natural resources, pollution, deforestation, More use of water resources, more competition for survival :) hope this helps thanks
The genotype for being a red flower is RR, and the genotype for being a white flower is WW. If the colour of the flower is an example of incomplete dominance, use Punnet squares to show the ratio of the phenotypes in the F1 and F2 generations if you cross a red and a white flower.
Answer:
Explanation:
The F[tex]_1[/tex] and F[tex]_2[/tex] Generations are drawn in Punnett squares below. Please excuse the messy drawings.
Ratios:
F1 Generation:
RW - Red and White Cross - 4/4 = 100%
F2 Generation:
RR - Red only - 1/4 = 25%
RW - Red and White Cross - 2/4 = 50%
WW - White only - 1/4 = 25%
a ________ is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.
The mainframe computer is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.
What are mainframe computers?Mainframe computers are computers used primarily by large organizations for delicate applications like processing bulk data.
They are known for their large size, amount of storage, fast processing power and high level of reliability in results.
Thus, the mainframe computer is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.
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Ecology always considered the atoms in an ecosystem. True False
The statement 'Ecology always considered the atoms in an ecosystem' is False.
What is Ecology?Ecology can be defined as the integral study of biotic and abiotic factors interacting with each other in an ecosystem.
Although atoms are an integral component of all living organisms and non-living entities it do not involve the study of ecology.
In conclusion, the statement 'Ecology always considered the atoms in an ecosystem' is False.
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Question 11 of 30
Which of the following factors affecting population growth is density
independent?
Answer:Density-independent limiting factors affect all populations the same, regardless of population size. Density-dependent limiting factors include disease, parasites, competition for food, water, and shelter, and predation. Density-independent limiting factors include natural disasters, climate, and human activity.
Explanation:
Cells are for tissues as organs are to
Answer:
Your answer is organ systems.
Compare the origins of the external and internal iliac arteries of the fetal pig with those of the human.
The comparison between the origins of the external and internal iliac arteries of the fetal pig with those of the human are as explained below.
What are the origins of the arteries?In a human beings, it is well known that it is the aorta that undergoes division to form two common iliac arteries which give rise to external and internal iliac arteries.
However, In the pig it is different as the aorta undergoes division to form the external iliac artery while the internal iliac artery branches out from the aorta independent of that division
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Explain why genetic diversity is a good principle for secure development. Cite an example of lack of diversity that has had or can have a negative impact on security.
Answer:
Genetic diversity is a good principle for secure development because it is critical for a population to adapt to changing environments. It helps maintain the health of a population.
Explanation:
Genetic Diversity refers to the range of different inherited traits within a species. In a species with high genetic diversity, there would be many individuals with a wide variety of different traits.
Mutations are important to genetic diversity because it creates a new DNA sequence for a particular gene, creating a new allele. This is important because including alleles that are diverse may be valuable in resisting diseases, pests, and other stresses
Genetic diversity is a good principle for secure development because it ensures the chances of adaptation in living organisms with respect to changing environmental conditions.
What is Genetic diversity?Genetic diversity may be defined as the total number of genetic characteristics in the genetic makeup of a species. It serves as a way for populations to adapt to changing environments. It facilitates the survival of particular species.
A lack of diversity may have a negative impact on security. This can be understood by the example that if there were not many variables seen in the Darwin finches in the Galapagos islands, more birds feel the scarcity of food and due to this, they have died and become extinct from nature.
Therefore, with more genetic variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment.
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Help! I have already reed it and I cant figer it out.
Go to the following website. Prepare a short essay on the website describing the information provided and the purpose of this information.
https://www.genome.gov/About-Genomics/Introduction-to-Genomics
A short essay on the website describing the information provided and the purpose of this information about the genome is given Genomes are product of DNA, a very massive molecule that looks as if a lengthy, twisted ladder.
What does genome appearance like?If all of the DNA from a single human cell turned into stretched-out end-to-end, it'd make a six-foot-lengthy strand created from a six billion letter code. It’s difficult to assume how that a good deal DNA may be packed right into a cell nucleus, that's so small it could simplest be visible with a specialized microscope.
DNA is examined like a code. This code is made from 4 styles of chemical constructing blocks, adenine, thymine, cytosine, and guanine, abbreviated with the letters A, T, C, and G. The order of the letters on this code permits DNA to characteristic in exceptional ways. The code modifications barely from individual to individual to assist make you who you are.
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How do living organisms help the soil
Living organisms such as bacteria, fungi, algae are very important in the soil, they perform several functions, some of which include the following;
- Living organisms help break down dead plant parts, this helps to add more nutrients to the soil
- Living organisms dig up holes in the soil, this helps to maintain aeration in the soil.
- Living organisms play a major role on the production of humus
- Living organisms help to break large particles of rock
- Living organisms such as Rhizobium bacteria help in the fixing of nitrogen
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Living organisms help the soil in the following ways:
Return nutrients to the soil
Make the soil aerated and porous
How do living organisms help the soil?
Living organisms are found inhabiting the soil and in turn confer various benefits on the soil.
These benefits help the soil and make it more suitable for agricultural practices.
Living organisms such as earthworms make the soil porous for aeration when they burrow into the soil.
Microorganisms also degrade organic compounds and release the nutrients into the soil.
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What is the relationship between biodiversity and an ecosystem's ability to withstand change?
a. closely related
b. directly proportional
c. inversely proportional
d. there is no relationship
Answer:
c
Explanation:
Inversely proportional
Heat is transferred to two different solids, A and B, at the same rate. Both A and B are initially at the same temperature. The mass of A is 4-times that of B, while the specific heat capacity of B is twice that of A. After 5 minutes of heating, which of the following statements is correct?
a) The temperature of B is twice that of A
b) The two are at the same temperature
c) The change in the temperature of A is half that of B
d) The change in the temperature of A is 4-times that of B
The two solids are at the same temperature
Which event takes place during normal fertilization?
The event which takes place during normal fertilization is zygote formation.
Which event takes place during fertilization?The major event which is characteristic of fertilization is zygote, otherwise termed cell formation in which case, the zygote is capable of undergoing cell division to form a new living cell. The fusion of two gametes necessary for fertilization kick-starts several reactions in the egg.
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Which compound refer to those that are produced by plants or animals?
Natural compounds
Synthetic compounds
Biotechnology
None of the above
natural compounds I mean all organic compounds
Explanation:
many organic compounds are obtained directly from the plants and animal sources by suitable method of installation a few filling here example are carbohydrate cellulose sugar and starches for prediction of hunters of useful organic substances such as solved synthetic rubber explosive and plastic
Which factor can decrease the rate of a chemical reaction?
A low activation energy
B high pressure
C low temperature
D high concentration of enzyme
(c)Low Temperature of the Reactants can decrease the rate of a chemical reaction.
How temperature effects the rate of a chemical reaction
Chemical reactions typically occur faster at higher temperatures. Food can spoil quickly when left on the kitchen counter. However, the lower temperature inside of a refrigerator slows that process so that the same food remains fresh for days. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision.Thus decrease in the temperature of a reaction can help in decreasing the rate of a chemical reaction.Lower the temperature lower the chemical reaction rate.
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why does dna move through an agarose gel
DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
What is DNA?Deoxyribonucleic acid or DNA is a protein molecule that us found in the nucleus of a cells which carry the genetic components or content of the cell and are transfer from parent to tye offspring.
Therefore, DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
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What are the defining characteristics of amphibians?
Amphibians represent a group of vertebrates that require water to survive.
AmphibiansThey are one of the major divisions of vertebrates along with fishes, birds, and mammals.
In addition to possessing the basic features of vertebrates, amphibians have the following characteristics:
They are cold-bloodedThey can breathe through their skin as well as using lungsThey need water for survivalReproduction is by laying eggs that are fertilized externallyThey are mostly carnivorousMore on amphibians can be found here: https://brainly.com/question/13744586
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If the population of poison dart frogs in this rain forest community were to disappear, which of these populations would be most likely to increase?
A: Fruit bat
B: Sloth
C: Beetle
D: Strangler fig
Answer:
c
Explanation:
the beetles fall prey to the poison dart from so if they went extinct they wouldn't be a threat to the beetles population
reviewing Meiosis:
1. Draw a diagram depicting the process if crossing over.
Answer:
I attached a diagram I found online. This one is a bit more general. If you want me to include the PMAT part of meiosis, then just ask.
Sometimes when organisms evolve, it gives rise to multiple species that can coexist simultaneously. Give an example supporting this statement.
need answer asap
The finches may have speciated from the Galápagos finch and now occupy different habitats.
What is speciation?
The term speciation has to do with a type of evolution that gives rise to new organisms from existing ones. It is common in the world today. These ne organisms all tend to coexist with each but may not be on the same habitat.
For instance, the finches may have speciated from the Galápagos finch and now occupy different habitats.
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Grouping of objects help the shopkeeper, justify the statement.
A culture of living cells includes a solution called a
Answer:
C) medium
Explanation:
medium can be solid, semi-solid or liquid
mediums are designed to grow living cells of plants, animals, humans and microbes
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Black coat color is dominant over white coat color in guinea pigs. in addition to coat color, rough coat is dominant over smooth coat.
b. Demonstrate a cross between a heterozygous black/homozygous smooth and homozygous white/heterozygous rough. describe the phenotypes as fractions?
Answer:
Explanation:
C = dominant black coat
c = recessive white coat
T = dominant rough coat
t = recessive smooth coat
Heterozygous black coat + Homozygous smooth guinea pig genotype:
Cc tt
homozygous white/heterozygous rough:
cc Tt
Punnett Square
After looking at Punnett squares attached, we can see that 1/2 of offspring are either black or white and 1/2 of offspring are either rough or smooth.
Cc - black coat - 2/4 - 1/2
cc - white coat - 2/4 - 1/2
Tt - rough coat - 2/4 - 1/2
tt - smooth coat - 2/4 - 1/2
Preservation of Habitats - Everglades NP, FL. North of the park border, if developers or farmers drain and utilize this land, what will happen to the source of water for the Everglades, and therefore to the ecosystem of the Everglades
Farmers draining and utilizing the land the Everglades will dry up the source of the water of the Everglades and disrupt the ecosystem of the Everglades.
What is a habitat?
A habitat is an area where living organisms are found and make their home.
The Everglades is an wetland habitat where the land is covered by water most times of the year.
Farmers draining and utilizing the land of the Everglades will result in the source of the water of the Everglades drying which will disrupt the ecosystem of the Everglades.
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the enzyme pgh synthase contains two different functionalities, a __________ that uses two molecules of oxygen as substrates and __________ which performs a 2 electron reduction.
The enzyme PGH synthase contains two different functionalities, a cyclooxygenase that uses two molecules of oxygen as substrates and peroxidase.
What is PGH synthase?Prostaglandin-endop_eroxide synthase 2 (PGH) is an enzyme that has catalytic activity as peroxidase.
A peroxidase enzyme is a catalyst that converts peroxide which is very reactive to oxygen and water.
In conclusion, the enzyme PGH synthase contains two different functionalities, a cyclooxygenase that uses two molecules of oxygen as substrates and peroxidase.
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Savannah wraps some gifts and then brings them to the post office where they are delivered to people in different parts of the country. Which organelle is Savannah most like?
Answer: The Golgi body
Explanation: it is most known to label and send packages
meat, fruits, and vegetables could be contaminated withe. colistrains toxic to humans when they come in contact with animal ____
Meat, fruits, and vegetables could be contaminated withe. colistrains toxic to humans when they come in contact with animal feces, urine and blood.
What is contamination?Contamination us the process in which food materials, water or pure substances become impure or infected when it come in contact with impurities or microorganisms waste products.
Therefore, Meat, fruits, and vegetables could be contaminated withe. colistrains toxic to humans when they come in contact with animal feces, urine and blood.
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