Which of the following is a characteristic of the tundra?
A. long growing season
B. frozen ground
C. less than 25 cm rainfall per year
D. temperate weather
Tundra is an ecosystem region that is defined by a low temperature and short growing seasons for trees and plantations. The trees are almost absent and the ecosystem is found in the mountainous regions.
Tundra regions typically get less than 25 centimetres of rainfall annually.
The characteristics of the tundra can be explained as:The tundra ecosystem is very cold and has high winds and low temperatures for 6-10 months in a year. The tundra has very little vegetation like lichens, herbs and mosses and a low variety of animals. The region also experiences low rainfall up to 25 cm in a year and the precipitation is scant as the region is covered with snows throughout the year.Therefore, option C. is the correct characteristic of the tundra.
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Multiple Choice
1. What does the notation TT mean to geneticists? (1 point)
two dominant alleles
heterozygous alleles
at least one dominant allele
one dominant and one recessive allele
The notation TT means two dominant alleles
The notation TT in genetics signifies an individual possessing two dominant alleles for a particular trait.
Explanation:In genetics, the notation TT represents an individual who has two dominant alleles for a particular trait. Each letter in this notation corresponds to one copy of a gene that an individual has inherited from his or her parents. So 'T' is a dominant allele and having two 'T's means both inherited alleles are dominant. The trait that is expressed in such a case is the trait related to the dominant gene.
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Brainiest, thx, and 15 points! It looks like a lot but its just an opinion question
Worldwide, about twice as many people eat a plant-based diet as eat a meat-based diet. A plant-based diet requires fewer resources to produce. It takes 28 calories of fossil-fuel energy to produce 1 calorie of protein from meat. In contrast, it takes only 3.3 calories of fossil-fuel energy to produce 1 calorie of protein from grain. With the population continuing to increase, some people believe it may be necessary to give up meat-based diets to ensure that there are enough resources to produce food for all people. Do you think that a plant-based or a meat-based diet is more nutritious, or are they both equally nutritious? Why does a plant-based diet require fewer resources to produce? Do you think people should eat less meat? Why or why not?
Answer:
i think they should but becuase i hecking love animals
Explanation:
Why is proper spelling of medical terminology in healthcare important
Final answer:
Accurate spelling of medical terminology is crucial in healthcare to prevent confusion and medical errors, ensure precise communication, and mirror professionalism. It is important to double check spellings and familiarize oneself with commonly used terms to maintain clarity.
Explanation:
Proper spelling of medical terminology in healthcare is vital because it ensures clear and precise communication, which is essential for effective patient care. Accurate spelling eliminates ambiguity and prevents medical errors. For instance, anatomical terms help to pinpoint exact locations on the body and are derived from Greek and Latin. These languages have stable meanings since they are not used in daily speech anymore. Hence, using the correct terminology is crucial to convey accurate information.
Misspelling medical terms can cause serious problems, such as confusing two medications that have similar spellings but different meanings or indicating the wrong site of a condition. It is important to familiarize oneself with these terms to minimize errors and to double check spellings, especially when relying on spell check applications that may not recognize medical jargon.
Attention to detail in meaning, grammar, punctuation, and mechanics is equally important across all disciplines. In medicine, the correct use of specialized vocabulary and proper spelling reflects professionalism and respect for the field, promoting greater trust in the healthcare provider’s expertise.
Do you think viruses should be classified as "living organisms"? why or why not?
List the five characteristics a substance must have to be a mineral. Explain why coal and a glass marble are not minerals.
Minerals are naturally occurring, crystalized, inorganic, solid and have definite composition. Coal is an organic substance whereas glass is a non-crystalline solid so they are not minerals.
What are minerals?"A mineral is a chemical element required as an essential nutrient by organisms to perform functions necessary for life."The minerals are crystalline inorganic solid occurring naturally.They have definite composition.What do you mean by inorganic?"An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bond."They are not obtained from living things.What do you mean by definite composition?This means that the substances have fixed proportions by weight.Coal is an organic substances derived from remains of plants and glass is a non-crystalline solid. So they are not termed as minerals.
Hence, the minerals are naturally occurring, crystalline inorganic solid, having definite composition.
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why does salty food tend to dry your lips?
A judgment formed, based on the data gathered in an experiment is an?
Karina is looking at a group of cells under the microscope. The organism has many cells, each with a cell wall and green chloroplasts. It has a nucleus and membrane bound organelles. In which kingdom should this organism be classified?
A)
Animalia
B)
Fungi
C)
Plantae
D)
Protista
The answer is listed below: :)
Letter D is the part of the cell that makes proteins. What is letter D?
A) ribosomes
B) chromosomes
C) chloroplast
D) golgi apparatus
When molten material hardens into rock on the ocean floor, the domains of the iron it contains
a.
disappear.
b.
line up in the direction of Earth’s magnetic field.
c.
point in random directions.
d.
never become magnetic.
Answer:
Option B. line up in the direction of Earth’s magnetic field.
Explanation:
In a molten rock, traces of iron found align themselves in the direction of earth’s magnetic field. This happens because each tiny particle of iron in the molten rock act as a small magnet with magnetic north and south poles. These poles re-orient themselves as per the direction of earth’s magnetic field. This happens till the rock is in molten stage, once it gets solidified the minute magnets gets stable in one orientation.
Hence, option B is correct.
Why do some organisms use both types of reproduction? {Sexual and Asexual Reproduction}
Kingdom animalia includes a major phylum known as chordata, which includes the sub-phylum vertebrata. This includes lions like the ones shown above. The remaining taxonomic levels for lions is: Mammalia, Carnivora, Felidae, Panthera, leo. For the lion, Felidae is the name given to which taxonomic level?
The right answer is Family.
In biology, the family is a taxon that gathers the genera that have the most species and similarities between them. It constitutes the fifth level of the classical classification of living species.
Regarding the Latin terminations indicating the rank, the name of the families ends with the suffix -aceae in plants, algae and fungi and -idae in animals.
which organelles can only be observed only with the aid of a electron microscope?
Answer:rebosomes,entoplasmic
Explanation:. Ribosomes cannot be seen with a light microscope due to their smaller size but can be seen only using an elect
Cholesterol is one example of this type of organic compound.
How many chromosomes does the fertilized egg cell of a mouse contain?
Along straight stretches of a stream channel, the highest velocities of water are found _____.
Answer:
Highest stream velocities exists at the mid channel near the surface of water
Explanation:
The highest velocity in a straight channel is found in the mid channel near the surface of water as there in no friction from the bed channel. On the other hand the velocity of a stream at the bank side and bed is the lowest as there is the highest friction caused by the roughness of the substrates constituting the bank/bed.
The highest velocities of water along straight stretches of a stream channel are found in the center of the channel. This occurs due to the lower frictional resistance from the stream banks in the center, allowing the water to accelerate.
Explanation:The highest velocities of water along straight stretches of a stream channel are found in the center of the channel.
This phenomenon is known as the main current and it occurs due to the shape and dynamics of the stream channel. The water flow is faster in the center because the frictional resistance from the stream banks is lower compared to the sides of the channel. As a result, the water accelerates and reaches higher velocities in the center.
For example, in a laboratory setup, if you observe the flow of water through a rectangular channel, you'll notice that the highest velocities are in the middle of the channel.
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Can a multi-celled organisms can move on their own
Is a dominant trait always the most common trait in a human population? (Explain) Help plez this is due tommorow ;(
Why is it important to use water as a control group when testing reagents?
Please help!
Water is important as a control group when testing reagents because it serves as a comparison or standard in experiments. The outcome of the experimental group is compared to that of the control group (water) to determine the effects of the reagent.
Explanation:In biological experiments, water is often used as a control group because it is considered a universal solvent. When testing reagents, it's important to have a comparison or reference group, and water is usually the best base for this. Essentially, water provides the standard against which the effects of the reagent can be observed and measured.
Control groups play a crucial role in experiments by providing a baseline that enables the experimenter to compare the results of the experimental group. A reagent is a substance or compound used in lab tests to bring about a chemical reaction. If the reagent produced a change, we could determine that the result was due to the reagent and not some other factors because the same change did not occur in the water (control group).
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i need help asap please and thank you
i need help with questions 5-12
Describe the positive and negative interactions that affect populations in the tundra ecosystem
Answer:
Animals have adapted to the harsh weather conditions and long winters of the tundra.
Animals migrate to eat insects that live there year round.
Many animals in the tundra hibernate during the long, cold winter months.
Animals are most active in the short summer as the snow melts and shallow wetlands form.
What kind of solution occurs in your mouth when you eat something with a high salt content?
HELP I NEED THE ANSWER NOWWWWWW
which of the following representations shows how one variable changes in response to another variable
A models
B line graphs
C pie charts
D complex systems
Which of the following describes an example of a potentially invasive species?
A. Fruit covered with fruit fly eggs is trucked from Mexico to Canada.
B. Racehorses are shipped by boat from New York to London
C. Coffee beans in burlap bags are flown from Africa to the U.S.
D. Tropical fish captured in an Indonesian river are packed on ice and shipped to a Seattle restaurant
Quick, easy, random question for everybody!
What does the surface of a calm lake have in common with a contour line?
A. Each is horizontal.
B. Every point on each has the same elevation.
C. The shore of the lake will exactly follow a contour line.
D. All of the above are true.
Answer:
option D, All of the above are true.
Explanation:
A contour is a surveying terminology that is used to represents dots of similar elevation joined together by line. All the points lying on any contour line are horizontal and have same elevation. Mostly contours are used to represent any elevation such as mountain, hill etc or a depression such as lake, river etc.
The same is the scenario with a calm lake, where all the surface points are horizontal and at same height. Therefore the shore of the lake will exactly follow a contour line. Hence, Option D is correct.
Describe how proteins are made, packaged, and transported within the cell
Please answer like a 7th Grader
Which is produced when a cell engulfs a particle?
A. a new vacuole
B. more cell membrane
C. more cytoplasm
D. extra transport proteins
Is a handheld can opener a system?
What is the difference between osmosis and diffusion?
A. Diffusion is the movement of molecules from an area of low concentration to an area of low concentration. Osmosis is the opposite.
B.Osmosis the movement of molecules from an area of low concentration to an area of low concentration. Diffusion is the opposite.
C. Osmosis is the movement of water across the membrane; Diffusion is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
D. Diffusion is the movement of water across the membrane; Osmosis is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
Please answer ASAP!
Osmosis is for movement of water molecules through a semi-permeable membrane whereas diffusion is for movement of molecules along the concentration gradient. Thus, option C is correct.
What is Osmosis?Osmosis is a term in which the water molecules move from a region of their high concentration to its lower concentration with the involvement of a semi-permeable membrane till an equilibrium is established.
Osmosis is a type of diffusion but here the use of semipermeable membrane is must. Energy is not required in this process as it follows the concentration down the gradient.
The factors that affect osmosis are the concentration of solutes in a solvent, osmotic pressure of the membrane, temperature, surface area and water potential of the system.
The practical application of osmosis is seen in water purification in a system. It is modified as reverse osmosis technology.
Osmosis, is thus a crucial phenomenon observed in the biological systems.
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The correct answer is option C. Osmosis is the movement of water across the membrane; Diffusion is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
Diffusion is the movement of molecules from high to low concentration, while osmosis specifically refers to the movement of water across a semipermeable membrane.
To understand the difference between osmosis and diffusion, it's important to define each term clearly:
Diffusion is the movement of molecules or ions from an area of high concentration to an area of lower concentration. This process continues down the concentration gradient until equilibrium is reached. Diffusion can occur in both liquid and gas phases and does not necessarily require a membrane.Osmosis is a special type of diffusion that involves the movement of water molecules across a semipermeable membrane. During osmosis, water moves from an area of lower solute concentration (higher water concentration) to an area of higher solute concentration (lower water concentration) to achieve balance in solute concentrations on both sides of the membrane.