Answers
Answer:
01. the continued existence of organisms that are best adapted to their environment, with the extinction of others, as a concept in the Darwinian theory of evolution.
02. It shrinks as species begin fighting for resources.
03. The animal will experience a lack of growth.
04. Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.
Explanation:
Related Questions
Why is purification of water and nutrient salts so important in studies involving mineral nutrition using hydroponics?
Answers
Answer:
Hello!!!
Explanation:
Aish hi hona tum?
Why will individuals have brown eyes rather than a blue eyes?
Question 6 options:
a)
Brown eyes is a mutation.
b)
Blue eyes is recessive.
c)
Blue eyes is dominant.
Answers
multiple choice question
Answers
Answer:
C) Sodium ions
Wetlands and estuaries purify water and filter out...
A dead organisms
B salt
C pollution
D waste products
Answers
Answer:
C. Pollution
Explanation:
Wetlands and estuaries purify water and filter out pollutants.
Bedbugs are small insects that live in and around the bedding of humans and feed on humans at night. Their bites cause redness,
itching, and swelling at the site of the injury. They can be small and difficult to see during the day when the linens are cleaned. In
order to remove bedbugs, an insecticidal agent is often used. In this case, pyrethroid was chemically added to a population of
bedbugs. The number of bedbugs in the infestation was significantly reduced. However, over time, the bedbug population rebounded
and further application of the pyrethroid was not successful. Evaluate which statements describe what occurred with the bedbugs and
select ALL that apply.
Answers
Answer: A, B, C
Explanation: I got the answer from USA test prep
Explain the processes of headward erosion and stream piracy
Answers
Headward erosion is the upstream erosion of a stream channel, while stream piracy occurs when one stream captures the drainage of another stream, causing it to divert its flow.
What is headward erosion?The process of headward erosion can lead to stream piracy when the channel of one river extends far enough upstream to intersect with the channel of another river. When this happens, the more powerful river may start to capture the flow of the weaker one, gradually eroding its channel and redirecting its water into its own channel. This can cause significant changes to the landscape and ecology of the affected areas, as the water flow and sediment patterns are altered.
Both headward erosion and stream piracy are natural processes that occur over long periods of time, and they can have important implications for the evolution and development of river systems. They can also have significant impacts on human activities, such as agriculture, infrastructure, and land use, especially when they result in changes to water flow or drainage patterns.
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thin vessels, similar to veins, that carry lymph to lymph nodes
Answers
Answer:
[tex]\begin{gathered}\huge\bold\purple{Lymphatic Vessels} \\ \\ \huge \end{gathered}[/tex]
Thin vessels, similar to veins, that carry lymph to lymph nodes are called lymphatic vessels or just lymph vessels.
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[tex] \huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}[/tex]
explain how mammalian skin adapted to its function
Answers
Answer:
IDONT KNOW
Explanation:
SRY
The products of the glycolysis of one molecule of glucose can drive the citric acid cycle
Answers
Answer:
Since glycolysis of one glucose molecule generates two acetyl CoA molecules, the reactions in the glycolytic pathway and citric acid cycle produce six CO2 molecules, 10 NADH molecules, and two FADH2 molecules per glucose molecule
The products of glycolysis alone are not sufficient to directly drive the citric acid cycle (also known as the Krebs cycle or the tricarboxylic acid cycle).
However, the output of glycolysis, specifically pyruvate, is a crucial substrate that enters the mitochondria, where it undergoes further processing before entering the citric acid cycle.
The energy carriers, specifically NADH and FADH2, play a crucial role in driving the electron transport chain, the final step of cellular respiration.
The electron transport chain uses the energy from NADH and FADH2 to generate a large amount of ATP through oxidative phosphorylation.
Thus, while the products of glycolysis do not directly drive the citric acid cycle, they contribute to the overall energy production and supply the necessary substrates, such as acetyl-CoA, which is essential for the initiation of the citric acid cycle.
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Which change would cause an increase in the size of a population?
Answers
Answer:It would be a migration
Explanation:
The answer is migration. It is described as the movement of people from place to place and permanently at the new location.
Similarly, migration will be seen growing old in prosperous areas and boom it in bad ones. Most nations and areas experiencing populace lower accomplish that specifically because of natural change (the distinction among births and deaths), at the same time as areas which advantage populace accomplish that specifically because of extra-migration.
What are the effects of migration in the area? Migration has an effect on the populace of the 2 unique areas. It will increase the populace of the place (new place), in which human beings migrate on the lookout for process possibilities, and reduce the populace of the region in which human beings migrate from. The charge of populace boom is the charge of herbal boom blended with the results of migration. Thus the excessive charge of the herbal boom may be offset via way of means of a massive out-migration, and a low charge of the herbal boom may be countered via way of means of an excessive stage of in-migration.Hence clear that migration change would cause an increase in the size of a population.
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After many years of normal function, a cell begins producing different proteins than it produced before. Propose two different explanations for this change.
Answers
Answer:
Explanation:
In order to produce different proteins, mutations must occur in the genetic material of the cell. We distinguish gene and chromosome mutations. Mutations in the level of genes are called point mutations because only one to several nucleotides are changed. These processes are known as deletion, insertion, and substitution. Mutations can also appear in chromosomes altering their number and structure. There are four types of mutations: deletion, duplication, inversion, and translocation.
Cells are the functional unit that has a specific activity to perform. The alteration of the cell function can be due to gene or chromosomal mutations.
What are gene and chromosomal mutations?A change in the sequence of the DNA of the gene causes gene mutation and affects the gene or the part of the DNA of the chromosome. They occur in a single place and are called point mutations.
The point mutation is the alteration, addition, deletion or inversion of the single nucleotide base pair of the gene.
The chromosomal mutation affects the whole chromosome and alters the shape and size of the chromosomes. It leads to the increase or the decrease of the ploidy and structural shape.
Chromosomal mutation can be due to translocation, deletion, inversion and duplication of the chromosomes. Their increase or decrease affects the genome as a whole.
Therefore, alteration of the cell can be due to chromosomal or gene mutation.
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Which of the following is NOT a place that releases enzymes for digestion?
Answers
as in the mouth the two enzymes in your saliva are called amylase and lipase, and digestive enzymes are mostly produced in the stomach and small intestine.
Answer: D. esophagus
Explanation: Because esophagus uses muscles and does not use enzymes to digest. It only transports food to the stomach and then goes further into the digestive system.
Why not your mouth because it uses the enzyme Amylase, which helps break down complex carbohydrates. It is also produced by the mouth. Lipase, which breaks down fats. Protease is a protein-breaking enzyme that breaks down proteins.
Your stomach also uses enzymes as your intestine.
I hope I helped!
Gus drew a diagram to compare marsupial and placental mammals
which label belongs in the area marked Y?
a) have a two-week gestation period
b) young develop inside body
c) sometimes lay eggs
d) are endotherms
please help fast, thank you!
Answers
Answer:
A
Explanation:
Why are time zones necessary?
A. Seasonal changes due to the revolution of the Earth around
the Sun requires the need for time differences.
B. Moon phases cycle every 28 days but vary according to
your location.
C. The rotation of the Earth causes the Sun to rise earlier in
the eastern United States.
D. The Earth's orbital motion can easily change.
Answers
Answer:
C
Explanation:
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Answers
Answer:
Primary Succession
Pioneer species are lichen/mossSuccession begins on rockTakes more time to reach a climax communityVolcanic eruptions, Sandstorms, or Glaciers retreatingSecondary Succession
Pioneer species are grassesSuccession begins on soilTakes less time to reach a climax communityClearing land or forest firesWhen organic material is completely decomposed, what is left?
Answers
Answer:
Its speed is determined by three major factors: soil organisms, the physical environment and the quality of the organic matter (Brussaard, 1994). In the decomposition process, different products are released: carbon dioxide (CO2), energy, water, plant nutrients and resynthesized organic carbon compounds.
Explanation:
What is added during DNA extraction to lyse cells?
Answers
Answer:
There are 3 basic steps involved in DNA extraction, that is, lysis, precipitation and purification. In lysis, the nucleus and the cell are broken open, thus releasing DNA. ... Alcohol (e.g isopropanol or ethanol) is then added, causes precipitation of DNA from the aqueous solution since it does not dissolve in alcohol.
Explanation:
HELP QUICK PLEASE
Select the hotspot that shows metaphase.
Answers
Please tell me what to do
Answers
What is taxonomy?
a.
the scientific study of how living things are classified
b.
the name of Aristotle’s classification system
c.
the process used by geologists to classify rocks
d.
the process of observing an organism’s behavior
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer: B.
Explanation: It was Aristotle who first introduced the two key concepts of taxonomy as we practice it today: classification of organisms by type and binomial definition. Aristotle was the first to attempt to classify all the kinds of animals in his History of Animals (Historia Animalium in Latin). He grouped the types of creatures according to their similarities: animals with blood and animals without blood, animals that live in water, and animals that live on land.
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Name 5 high energy substrates of metabolism in the order of their energy of hydrolysis
Answers
Answer:
A summary of metabolism. The unity of life. Biological energy exchanges. ...
The fragmentation of complex molecules. The catabolism of glucose. Glycolysis. ...
The combustion of food materials. The oxidation of molecular fragments. ...
The biosynthesis of cell components. The nature of biosynthesis. ...
Regulation of metabolism. Fine control.
Please help! I will give brainliest!⚠️⚠️
Answers
Bacteria in the tropical rainforests ___________.
A. Make many animals sick
B. Make many plants sick
C. Add nutrients to the soil
D. Add disease to the biome
Answers
Bacteria in the tropical rainforests add nutrients in the soil.
What are the functions of nutrients?A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists.
Nutrients are chemical compounds in food that are used by the body to function properly and maintain health. Examples include proteins, fats, carbohydrates, vitamins, and minerals.
A nutrient is a substance required by the body for survival, growth, and reproduction. In other words, nutrients are what give us energy and allow our bodies to perform their essential functions. Every organism on our earth needs nutrients; they are necessary for life.
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Please help need this like rn please god help me
Answers
Answer:
a) Land plants and tiny water plants
b) frog, fox and heron
c) In the image
d) Water fleas an diving beetles
e) Heron and perch
f) Insects and diving beetles will overpopulate (more so insects) and some foxes and herons might die because of a decrease in food availability.
If a scientist wanted to follow Mendel’s experiment with a different kind of plant, which type of plant would she examine?
Answers
Answer: Pure line plant
Explanation:
Pure line plants are those plants that are used for breeding and selecting organisms with a desire trait to a number of generations until the wanted trait is established. Mendel had chosen pea plant for his experiments and that was a pure line species. It was bred to many generations so as to obtain the desired trait in successive generation. The plants were utilized to study the laws of inheritance. Also it was noticed that one trait being recessive in one generation will be expressive in other generation.
Based on the discussion in your text, which of the following strategies would effectively
reduce prejudice between groups?
Answers
Without genetic variation, the mechanisms of evolutionary change will not occur. There are several sources of genetic variation
within a breeding population: sexual reproduction, mutation, and gene flow. Specifically, sexual reproduction contributes to
genetic variation and as a result, evolution, through recombination. Describe recombination and analyze how it contributes to
genetic variability. Choose ALL that apply.
Answers
Answer: A, B, and D
Explanation: I just took the test
When two gametes combine during fertilization to produce children with distinct DNA combinations, this variety is amplified even more, hence a, b, d is the correct option.
What is genetic variation?Crossing over and independent segregation occurs during meiosis I, DNA is exchanged between homologous chromosomes during prophase I when cells cross over.
New allele combinations are produced as a result, chromosomes can arrange themselves in a variety of ways on the metaphase plate, and this process is known as independent segregation.
In metaphase I, this happens, independent segregation but not crossing across occurs during meiosis II.
Therefore meiosis creates variation in the organism which leads to changes during evolution, hence a,b,d is the correct option.
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H20
Given the chemical formula, how is this substance MOST LIKELY classified?
A. Atom
B. Compound
C. Both atom and compound
D. Neither atom nor compound
Answers
In what way does cultural understanding influence health?
O A. Some groups are less likely to know how diseases are spread.
O B. Some cultures may not know that a certain food is bad for a
person's health
O C. Different cultures have varying knowledge about what diseases
can be cured.
O D. All of the above
Answers
D. All of the above way does cultural understanding influence health
Why is it crucial to healthcare that we understand culture?Respect for cultural diversity is advantageous to customers, stakeholders, and communities and promotes good health outcomes. Cultural respect is also essential for obtaining accuracy in medical research since many factors, including behaviours, language, norms, beliefs, and viewpoints, can affect health communication.
Cultural health beliefs have an impact on how individuals perceive their health and health issues, when and from whom they seek medical attention, and how they react to advice for a change in lifestyle, medical treatments, and treatment compliance.
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PLEASE HELP!!!
The unit talks about various astronomical tools, but satellites don't
make the list—why? Explain how satellites help us learn more about
the Earth from space and analyze whether they can also help us
learn more about space.
Answers
Answer:
NASA satellites help scientists study Earth and space. Satellites looking toward Earth provide information about clouds, oceans, land and ice. They also measure gases in the atmosphere, such as ozone and carbon dioxide, and the amount of energy that Earth absorbs and emits.
Explanation: