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I say this because when the mice were living in this ecosystem they were consuming a lot of food . They also caused harm to the crops due to which the area had to be sprayed with pesticides . When this area is sprayed with pesticides the mice population will decrease thereby increasing he food supply of other grass eating animals like rabbit around them . This is why we say that when the mice population has decreased the rabbits' food supply would increase .
Related Questions
1. A potometer is made using a glass U-tube, filled with water and mounted on a
stand. In one end of the U-tube, a shoot of a plant is placed and in the other end, a
pipette is placed which can be used to measure the decrease in water level. The
diagram below shows the potometer being used in an experiment.
Both the potometers are placed in well-lit rooms.
All the other conditions except for the conditions mentioned are the same for both
potometers.
For which of these purposes is a potometer likely to be used?
1. To measure the rate of transpiration
2. To measure the rate of photosynthesis
3. To estimate how long a plan can survive without roots
4. the growth of plants under different conditions.
Answers
A potometer is made using a glass U-tube filled with water and is a device used to measure the rate of transpiration that is present in Option 1. It measures the rate of water loss.
What is transpiration?The process of transpiration is one in which water is lost from the plants, and this process is important for the environment as it maintains the water cycle of the ecosystem. Devices are there to measure this, such as the potometer, which measures the water loss by the plant.
Hence, A potometer is made using a glass U-tube filled with water and is a device used to measure the rate of transpiration that is present in Option 1. It measures the rate of water loss.
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What does the notation BB mean to geneticists?
2 dominant alleles
2 recessive alleles
One dominant and one recessive allele
Answers
B8
explanation: it is
Which of the following is an example of the endocrine system maintaining homeostasis?
1. Detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response
2. Discharging an excessive amount of hormones in the blood and not sending a signal to stop production
3. Sending a message to the pituitary gland to start producing a hormone when the levels in the body are too low
4. Using sense organs to get information about the outside world and direct an appropriate body response release
Answers
Answer:
The correct answer is "C".
Homeostasis is the maintaining of stable internal conditions in the body of a living being, such as body temperature or heart rate.
The endocrine system is an organ in the body which is in charge of secreting hormones that regulate numerous functions in the body, including metabolism, growth, sexual function, sleep, and mood among others. It is an essential organ which contributes to the state of homeostasis in the body.
Explanation:
Answer:
The answer is C
Explanation:
I took the test!! :)
Paleontologists discovered fish fossils in the arid deserts of western egypt. What does the fossil evidence most likely indicate about this area’s geologic past?.
Answers
The discovery of fish fossils in the arid deserts of western Egypt by paleontologists indicates that this area's geologic past was probably covered by an ancient sea.
Fossils are the physical remains of ancient organisms that have been preserved in rock or sediment over time. They are significant because they provide important information about the history of life on Earth and how it has evolved over millions of years.
Paleontologists are scientists who specialize in the study of fossils. They examine fossils to learn more about the organisms that once lived on Earth and how they interacted with their environment.
The discovery of fish fossils in the arid deserts of western Egypt by paleontologists indicates that this area's geologic past was probably covered by an ancient sea. This suggests that the region was once located near a coast or was at the bottom of an ocean.
The presence of fish fossils also suggests that this area was rich in aquatic life and may have been an important breeding ground for fish and other marine animals. This is supported by the fact that many of the fossils found in this area are well-preserved and contain a wealth of information about the environment in which they lived.
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You are studying a region of the genome on chromosome 11 that contains several hemoglobin genes and their associated cis-regulatory modules (CRMs). These CRMs are DNA elements where proteins can bind to regulate expression of the hemoglobin genes. These genes are expressed at different times during development. HBB and HBD are expressed in adults, HBG1 and HBG2 are expressed during fetal development, and HBE1 is expressed during embryonic development. GATA1 is a transcription factor expressed in blood cells. What evidence (if any) does not support the hypothesis that CRM B has a function associated with it
Answers
Although part of your question is missing, you might be referring to this full question:
You are studying a region of the genome on chromosome 11 that contains several hemoglobin genes and their associated cis-regulatory modules (CRMs). These CRMs are DNA elements where proteins can bind to regulate expression of the hemoglobin genes. These genes are expressed at different times during development. HBB and HBD are expressed in adults, HBG1 and HBG2 are expressed during fetal development, and HBE1 is expressed during embryonic development. GATA1 is a transcription factor expressed in blood cells. What evidence (if any) supports the hypothesis that CRM B has a function associated with it? (Mark all that apply)
only coding regions of the genome have a functionbiochemical evidencegenetic evidenceevolutionary evidenceThe evidence that does not support the hypothesis is genetic evidence because it involves the lack of binding between GATA1 and CRMs.
What is a transcription factor?A transcription factor is a specific protein that enters in the nucleus of one cell to regulate gene expression.
Transcription factors such as GATA1 are required to bind specific regulatory DNA sequences (e.g., promoters) to activate or inhibit gene expression.
In this case, regulation at different stages of development is likely due to epigenetic factors instead of transcription factor binding.
In conclusion, the evidence that does not support this explanation is genetic evidence.
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*20 point* what is the average velocity of the skier in the image?
Answers
Answer: 210 meters
Explanation: 180+140+100+420=840 840/4 = 210
i think.. im sorry if im incorrect.
The central dogma provides a framework for thinking about how genetic information is copied and used to produce structural and catalytic components of the cell. From the choices below, select the order of biochemical processes that best correlates with the tenets of the central dogma.a. replication, transcription, translationb. replication, translation, transcriptionc. translation, transcription, replicationd. translation, replication, transcription
Answers
Answer:
replication, transcription, translation
Explanation:
The central Dogman for DNA replication is replication, transcription, translation.
Replication involves production of extra DNA copy that has the same template as the original DNA strand.
Transcription is the process of
making an intermediate mRNA containing all the information of the new strand and then move the mRNA to ribosome where it is translated.
Translation is the process of converting the information in the intermediate mRNA into an amino acid with the help of an enzyme transferase.
The solid blue line is the original immigration rate. Which of the dotted lines represent an Number of Species
Answers
In the given graph, the dotted line that shows an increasing trend represents the Number of Species. It is important to note that this explanation assumes that the immigration rate has a direct impact on the number of species, which may not always be the case in every ecological context.
The dotted line that represents the Number of Species would be the one that shows an increasing trend over time. In this case, it would be the dotted line that starts at a low point and gradually rises. The reason for this is that as the immigration rate increases, it can lead to the introduction of new species into an area. This, in turn, can contribute to an increase in the overall number of species present.
To better understand this concept, let's imagine a scenario where a region experiences a high immigration rate of plants and animals. As more species are introduced, the number of species in the area will also increase. This can be seen as the dotted line showing a gradual upward trend. On the other hand, if the immigration rate remains constant or decreases, the number of species may remain stable or even decline over time.
Therefore, in the given graph, the dotted line that shows an increasing trend represents the Number of Species. It is important to note that this explanation assumes that the immigration rate has a direct impact on the number of species, which may not always be the case in every ecological context.
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If an organism's haploid number of chromosomes is 10, it's diploid number is
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If an organism's haploid number of chromosomes is 10, its diploid number is 20.
What is a chromosome?
A chromosome is a thread-like structure found in the nucleus of cells that carries genetic information in the form of genes. Chromosomes are made up of DNA, which is a chemical compound that contains the instructions for the development and functioning of all living organisms.
In most organisms, chromosomes are arranged in pairs, with one chromosome of each pair inherited from each parent. The complete set of chromosomes in an organism is known as its genome. The genome of an organism contains all of the genetic information necessary for the organism to develop, grow, and function.
Chromosomes come in different sizes and shapes, and the number of chromosomes can vary among different species. For example, humans have 23 pairs of chromosomes, for a total of 46 chromosomes, while dogs have 39 pairs of chromosomes, for a total of 78 chromosomes. The number and arrangement of chromosomes can play a role in the characteristics and traits of an organism.
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please help I need it and u will get 18 points:))
Answers
Answer:
i think right answer is option a
Explanation:
a plant at a fixed distance from the light source
what happened when Griffith mixed heat-killed bacteria with the harmless culture of bacteria?
PLEASE HELP!!!!!!!! ASAP!!!!!
Answers
Answer:
C.
Explanation:
the heat-killed bacteria had passed their disease causing ability to the harmless strain
What is the process in which all of the nuclear DNA is copied?
Answers
Answer:
the answer is dna replication
DNA replication is the process in which all of the nuclear DNA is copied.
What is DNA replication?DNA replication is defined as the biological process of making two identical copies of DNA from a single original DNA molecule that occurs in all living organisms, serving as the most essential part of biological inheritance.
In this process, DNA makes multiple copies of itself which is a biological polymerization, which proceeds in the sequence of initiation, elongation and termination. DNA replication is an enzyme-catalyzed reaction where DNA polymerase is the main enzyme in the replication process. DNA replication is a highly enzyme-dependent process.
Thus, DNA replication is the process in which all of the nuclear DNA is copied.
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an example of anatomical feature found in all primates is group of answer choices prehensile tail extreme sexual dimorphism grooming claw large canine teeth a bony, or enclosed eye socket
Answers
The example of anatomical feature found in all primates is as follows: a bony, or enclosed eye socket (option E).
What are primates?Primates are mammals of the order Primates, including simians and prosimians. This includes lemurs, lorises, monkeys, apes, and man.
Some features that distinguishes primates are as follows:
Relatively large, complex brainForward-facing eyes with overlapping fields of view that allow depth perceptionEye sockets with a ring or cup of bone surrounding and supporting the eyesGrasping hands with long fingers to curl around objectsAccording to this question, option E is the correct feature that is possessed by all primates.
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Which factors affect the type of cloud that will be formed? select three choices. altitude temperature color of clouds size of ice pellets whether water condenses as liquid or ice
Answers
Answer:
To conclude, many factors affect cloud formation, including topography, air temperature, and humidity.
Explanation:
The factors affect the type of cloud that will be formed are temperature , color of clouds and water condenses as liquid or ice.
These factors affect the formation of clouds as cloud formation will have the all factors like humidity, water, temp, and also sometimes light.
What is altitude?It is the height of mountains or any plains, pleautue, and several other earth mountains, valley and sometimes also of the himalyan mountains.
Thus it is well explained.
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What nonrespiratory air movement is due to a spastic contraction of the diaphragm while the glottis is closed
Answers
Answer:
Hiccup is what a nonrespiratory air movement is due to a spastic contratction.
In the 1980s, British researchers demonstrated that a human gene could be inserted into the cells of a particular strain of yeast that had a defective gene. Once inserted, the human gene worked perfectly in the yeast. What correctly explains this occurrence?
The yeast cell and a human cell carry the same type of gene.
The yeast cell mutated the gene to make it compatible.
The human cell changed the yeast cell's genetic information once it was inserted.
The human cell and the yeast cell developed a symbiotic relationship.
Answers
The statement 'the yeast cell mutated the gene to make it compatible' correctly explains this occurrence.
Gene transference is a type of methodology by which a specific gene is transferred between different organisms.Gene transference involves genetic engineering techniques such as the use of endonuclease restriction enzymes.In this case, the human gene was transferred to the yeast.In conclusion, the statement 'the yeast cell mutated the gene to make it compatible' correctly explains this occurrence.
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A protein that is bound to a carbohydrate is called a.
Answers
Glycoprotiens or carbohydrate
The pH of seawater is ___, making it alkaline. Seawater has a natural buffering mechanism. Carbon dioxide in seawater and is present in the form of __ ions, which makes the seawater alkaline.
Answers
Answer:
8.1 and h+
hope it helps you
what three components comprise the flagellum extending from the cytoplasm
Answers
The long filament, which lies external to the cell surface of flagella,the hook structure at the end of the filament and the basal body are the three components of the flagella which gives motion to the flagellum.
Flagellins are elongated proteins which constitute the flagellar filament and, apart from the FliD protein at the tip of his structure,which are the only one structural component of the filament. The molecular weight ranges from 26 kDa in Bacillus cereus to 115 kDa in Desulfotalea psychrophila [37,38]. In E. coli and S
short, highly curved tubular structure which connects the flagellar motor to the long filament acting as a helical propeller are known as hook.
The basal body of a bacterial flagellum is a rod shaped and a system of rings which is embedded in the cell envelope.
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Why does ice float on water??
aThe temperature of water and ice are the same
bThe density of ice is less than the density of weter
cThe density of ice is greater than the density of water
dThe temperature of ice is lower than the temperature of water
Answers
Answer:
b. The density of ice is less than the density of water
Explanation:
Anything that is less dense will sink therefore ice sinks into water.
Answer: b. The density of ice is less than the density of water
Explanation:
Which factor could have resulted in differing amounts of DNA collected from the strawberries?
Select one:
a. The location the strawberries were grown.
b. Number of cells in volume of strawberries used.
c. The brand of rubbing alcohol used.
d. The number of copies of DNA each cell contains.
Answers
Answer:
b. Number of cells in volume of strawberries used.
Additionally, because strawberries are octoploid and contain eight copies of each chromosome, there is a significant amount of DNA that has to be isolated, hence option B is correct.
What is the amount of DNA collected from the strawberries?Watch where the strawberry combination and the alcohol meet, at this point, a white cloud that resembles a thread will start to emerge. Strawberry DNA is seen here, as it rises to the top of the alcohol layer, the DNA will collect and congeal.
Due to their simple pulverization and the presence of the cell wall-degrading enzymes pectinases and cellulases, ripe strawberries are an ideal source for DNA extraction.
Therefore, the number of cells in the volume of strawberries used, the presence of the cell wall-degrading enzymes pectinases and cellulases, and ripe strawberries are ideal sources for DNA extraction, hence option B is correct.
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Which plant, shown in the cladogram below, shared a recent common ancestor with spikemosses and quilworths?
clubmosses
spikemosses
_quillworths
flowering plants
ferns
Spike mosses
a
Quillworts
Clubmosses
O Flowering plants
Answers
Answer:
clubmosses
Explanation:
which is not a true adaptation to dealing with being on dry land?a. Early evolutionary relationships with mycorrhizae
b. Chitin to provide plant support against gravity
c. A vascular system
d. Stomata to reduce water loss
e. All are essential adaptations
Answers
Option (a) is not a true adaptation to dealing with being on dry land. Mycorrhizae are mutualistic associations between plant roots and certain types of fungi, and they are not specific to land plants.
Mycorrhizae help plants obtain nutrients, particularly phosphorus, from the soil in exchange for carbohydrates produced by the plant through photosynthesis. Mycorrhizal associations likely evolved prior to the colonization of land by plants and are not directly related to adaptations for life on dry land.
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2. How do you chink DNA mutations would have regulated shin color in different populations? Compare sub- Saha ran Africans and Northern Earopeans
Answers
Certain mutations in an organism can be created through homologous recombination. The cell is given a vector that contains DNA sequences related to the target gene's DNA.
What is the purpose of DNA?The molecule of information is DNA. It contains data necessary to produce proteins, which are other big molecules. The 46 lengthy structures known as chromosomes that make up each of your cells house these instructions.
What is DNA, and what other types are there?Both autosomal and mitochondrial DNA are present in each cell. The 22 paired chromosomes that make up autosomal DNA. Both the mother's and the father's autosomes were passed down in each pair.
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Explain why the proteins lead to each trait.
Answers
Answer:
The complex structure of the DNA inside the nucleus varies from person to person, or possibly even the cells that make up one person.
The most crucial component of DNA that determines traits is a phosphate chain attached to a pentose sugar, which is then attached to nitrogen base pairs. Despite having five nitrogen base pairs, DNA only contains four of them;
Adenine
Cytosine
Thymine
Uracil (Only in RNA, replaces thymine) (Only in RNA, replaces thymine)
Thymine/Uracil benefit from the addition of adenine. Guanine and cytosine work well together.
The arrangement of the DNA is reproduced when the mRNA strands transcribe it.
Explain how a close relative of an African plant came to be living in the tropical pacific?
Answers
Africa and the rest of the continents were once connected, creating a super continent called Pangea. Africa sat right above parts of South America so they had similar weather conditions and life forms. However, continental drift happened it led to the continents being split apart, separate the organisms on it.
I hope this helps.
Why are invasive species dangerous to the environment?
Answers
Answer:
C: they threaten biodiversity.
They don`t always pollute because they just eat or destroy things in the environment. (Thus "invasive")
Not all are predators. My state has an invasive form or blue reed river algae that kills fish.
Being nonrenewable is mostly irrelevant to the environment.
Hope that helps.
Invasive specie threaten biodiversity hence, they are dangerous to the environment. Thus, option C is correct.
What are invasive species?An invasive organism which is not native to the environment but cause ecological or economical harm to the environment are called as invasive species. For example water hyacinth, this plant is native to South America but has spreaded over many places in world and became invasive species. This is an aquatic plant, which spreads quickly in water and choke out native wildlife.
Invasive species can spread through fishing, ships, and accidental release. It is major threat to ecosystem because it can be responsible for extinction of plants and animals, reducing biodiversity, alteration of habitats, and can compete with organisms for limited food in the native area.
Therefore, invasive species threaten biodiversity and hence, option C is correct.
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Classify this cell type
Animal cell, prokaryote
Bacteria cell, Eukaryote
Plant cell, Eukaryote
Fungi cell, prokaryote
NO WRONG ANSWERS OR YOU WILL BE REPORTED AND YOUR ACCOUNT WILL BE BLOCKED!!!
Answers
Answer:
Plants Cell
Explanation:
The special type of hemoglobin present in fetal red blood cells is ______.
A) hemoglobin F
B) hemoglobin B
C) hemoglobin A
D) hemoglobin S. A.
Answers
Hemoglobin: a protein found within red blood cells that transport oxygen from respiratory organs to the rest of the body.
Fetal hemoglobin, often referred to as Hemoglobin F, is present in red blood cells before birth. This type of hemoglobin is present in the mother's bloodstream and the blood cells carry oxygen to the baby's organs and tissues.
Therefore, option A is correct, Hemoglobin F
Why do tropical rainforests have more species than all other biomes?
Answers
Answer:
Rainforests have an abundance of plants and animals for the following reasons: Climate: because rainforests are located in tropical regions, they receive a lot of sunlight. ... Since there is a lot of sunlight, there is a lot of energy in the rainforest. This energy is stored in plant vegetation, which is eaten by animals.
Explanation: