M
What biological level is defined as the portion of the earth where life exists?
A
ecosystem
B
biosphere
С
population
D
community

Answers

Answer 1

Answer:

a ecosystem. i


Related Questions

Which animals have adapted to near-freezing water?
A. Barnacles
B. Animals in coral reefs
C. Fishes in polar areas
D. Whales

Answers

C. fishes in polar areas

Answer:

C/D

Explanation:

Unfortunately, I can't give a straight answer since it doesn't specify if the fish belongs in the water, all I know it that it's a plain fish in polar water. So D is probably the answer. Since some whales live in polar areas.

What is the inheritance pattern this pedigree is representing?
Autosomal Dominant
Autosomal Recessive
Sex-linked recessive
Sex-linked dominant

Answers

Sec linked dominated

Changes in weather are caused by the movement and interaction of _______ ______________. What should I fill the blanks in with?

Answers

Answer:

Air masses

Explanation:

An air mass is a volume of air defined by its temperature and water vapor content. Air masses adapt to the characteristics of the surface below them.

Explain the key steps of the rock cycle including the words igneous, sediment, sedimentary, metamorphic and magma.

Answers

Answer:

Igneous rock can form sediments and metamorphic rock. metamorphic rock can form magma (which cools to make igneous rock) and sediments ! Sediments make sedimentary rock , which makes metamorphic rock.

confusing, yes, but i hope this helps!

i included a pic just in case! have a good day :)

The key steps of the rock cycle including the words igneous, sediment, sedimentary, metamorphic and magma should be explained below.

Key steps of the rock cycle:Igneous rock can create sediments and metamorphic rock.Metamorphic rock can create magma which cools to form the igneous rock and sediments. Sediments could make sedimentary rock , which makes metamorphic rock.

In this way, the key steps should be written.

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There are economic concerns surrounding the products that have been genetically engineered for particular traits, including pharmaceuticals, crops, and enzymes that are used in industry and manufacturing processes. Which is LEAST likely to be an economic concern that affects society? O patented products birth defects land use O cost of genetically engineered seeds​

Answers

Answer:

Birth defects

Explanation:

Edge

Birth defect is least likely to be an economic concern that affects society.

What is society?

Society is defined as a neighborhood, country, or large group of people who share customs, institutions, and activities and interests. The building blocks of society are people's relationships with one another and the structures they create. As a result, society is not a collection of people but rather the intricate web of social rules that develop among them.

Birth problems such as spina bifida, cleft lip or palate, gastroschisis, hypospadias, chromosomal congenital anomalies including Down syndrome, and various heart and blood vessel defects have been linked to living close to hazardous waste sites.

Thus, birth defect is least likely to be an economic concern that affects society.

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Please answer the question

Answers

It’s B the goal of Meiosis is to create reproductive haploid cells.

What is binary fission?

A form of sexual reproduction used by some unicellular organisms to produce two cells that are genetically different from each other and from the parent cell.

A form of asexual reproduction used by some multicellular organisms to produce two cells that are genetically identical to each other and to the parent cell.

A form of asexual reproduction used by some unicellular organisms to produce two cells that are genetically identical to each other and to the parent cell.

A form of sexual reproduction used by some unicellular organisms to produce two cells that are genetically identical to each other and to the parent cell.

Answers

Answer:

The 3rd answer

Explanation:

Binary Fission is the process of cell division in prokaryotes (bacteria). It is a type of asexual reproduction. If the parent cell has 18 chromosomes than each daughter cell will also has 18 chromosomes.

The second one, asexual reproduction. Multicellular organisms, two identical cells

Which process is the first step in the formation of urine in the nephrons?
O filtration
O secretion :
O reabsorption
O absorption

Answers

Answer:

I think Answer is A.

Explanation:

I hope it's helpful!

Yes the answer is filtration

In the Osmosis Gizmo, the cell is placed in a very small chamber. Suppose a cell is placed in a large container of water with a very low solute concentration. What do you think would happen

Answers

Answer:

If a cell is placed in a large container of water with a very low solute concentration the solution will be hypotonic in nature. The water will enter inside the cell through semi-permeable membrane of cell. The cell will swell.

Pls help me 20 points for CORRECT answer

Answers

Answer:

Cactus (3) Producer

1st tropic level (1) Consumer

Eats dead organisms and further breaks them down (2) Decomposer

Dogs and Cats (4) Scavenger

I believe these are all correct after looking them up, if they are wrong please tell me and I can edit it if possible. If you would like explanations for any of them jlmk. Please mark BRAINLIEST if correct! Have a blessed day/night!

A farmer has an orchard that includes 12 DIFFERENT types of apple trees. He decides to remove the old trees and plant only ONE TYPE of apple tree. What is the biodiversity and sustainability of his orchard before and after this change?

Answers

It is less. More varieties lead to more diversity.

Which term best defines cancer out of these four? 1.The cell cycle interrupted and causing Gap 0 phase not to exist. 2.The cell cycle causing no cytokinesis 3.Only malignant tumors are formed. 4. A disease caused by an uncontrolled division of abnormal cells in a part of the body.

Answers

Answer: The correct answer is

A disease caused by an uncontrolled division of abnormal cells in a part of the body.

Explanation:

This is because cancer is a disease that occur when the normal body mechanism changed and stop working whereby old cells refuse to die and there is uncontrollable replication of abnormal cells in the body . This uncontrollable division of cells tend to want invade and spread to part of the body thereby forming tumors and some cancers don't form tumors such as lukemia.

Essential amino acids cannot be produced by the body, so they must come from our diet. We can get them from eating foods that contain which

Answers

Answer:

The question is incomplete because the options are not given but the options are gotten from another websites which are;

a. protein

b. complex carbohydrate

c. fats

d. disaccharides

The correct option is a.

Protein.

Explanation:

Proteins are macro nutrients or biomolecule whose building blocks is t amino acids. Amino acids consists of organic compounds like hydrogen, nitrogen, carbon, oxygen and may also contain sulfur which all serve as protein building blocks . Our body requires proteins which contain amino acids and these are important for growth, body building and and proper functioning. These include both essential and non essential amino acids

The essential amino acids includes histidine, isoleucine, lysine, phenylalanine, tryptophan and valine cannot be produce by the body but can be gotten from diets that are from protein source. The major sources of essential amino acids are gotten from animal proteins and they include meat, eggs, and poultry.

How can calls regulate gene expression?

Answers

Can you be more clear in ur question

Which of these orbits Earth?
A. Moon
B. Sun
C. Jupiter

Answers

A Moon mark as brainliest if correct

Answer:

A. Moon

Explanation:

The Moon orbits Earth

Earth orbits the Sun

Jupiter orbits the Sun

Test (Photosynthesis & Cellular Respiration) 1) Describe how the Electron Transport Chain works. Be sure to focus on the role diffusion plays in the ETC This should be 4 sentences.​

Answers

Answer:

The electron transport chain is a cluster of proteins that transfer electrons through a membrane within mitochondria to form a gradient of protons that drives the creation of adenosine triphosphate (ATP). ATP is used by the cell as the energy for metabolic processes for cellular functions.

The Punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. The Punnett square below examines the chance of offspring having freckles, which is a dominant trait.

A Punnett square is shown. The columns are labeled Upper F and f. The rows are labeled Upper F and f. Clockwise from upper left the boxes contain: Upper F Upper F, Upper F f, Upper F f, f f.

Based on the Punnett square, what is the probability that the offspring will have freckles?
25 percent
50 percent
75 percent
100 percent

Answers

Answer:

75%

Explanation:

Three of the boxes contain an Upper case F, therefore 75% of the boxes have an Upper case F. It's like quarters, if you have 4 quarters you have 100 cents, if you have 3 you have 75 cents, if you have 2 you have 50 cents, and if you have 1 you have 25 cents.

Answer:

C.) 75 percent

Explanation:

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ANSWER THE QUESTION WHERE IT SAYS "APPLY IT"

Answers

Answer:

Having a cold makes me feel like i cant breath because my nose is stuffy, and  i dont want to talk because my throat is itchy.  I also feel very tired, like i haven't slept in days. A cold messes with your sense of smell a lot.

Explanation:

hope this helps :)

yes, having a cold made me feel very unmotivated to do anything it also made me feel tired and irritated. Old affected my body because it made me tired and it made my head hurt, it also made my nose stuffy. this could also trigger your breathing.

. If energy is the ability to cause change, then what evidence is there that energy is produced in the interaction between the wind and the blades of the wind turbine?

Answers

Answer:

Explanation:

Wind is considered to be kinetic energy. As the kinetic energy of the wind hits the fans of the wind turbine it causes the fans to spin. This then causes the blades to spin a rotor which is connected to the main shaft of the turbine itself. This rotor spins and generates electricity. Therefore, the kinetic energy that was initially introduced into the system goes through a process and gets converted into electrical energy which we can use.

please identify the phases of mitosis

Answers

Answer: umm

Explanation:

how

Cycling mater of plants and animal cells

Answers

Decomposers recycle nutrients from dead plant or animal matter back to the soil in terrestrial environments or to the water in aquatic environments. The atoms that make up the organisms in an ecosystem are cycled repeatedly between the living and nonliving parts of the ecosystem.

Which factor may increase a rabbit population?(1 point)

decrease in space

decrease in temperature

decrease in food

decrease in predators

Answers

Answer:

D. Decrease in predators

Explanation:

The lack of predators would cause less death to the rabbit population, with less hunters to kill the rabbits the population will increase and further increase if they reproduce.

The factor that will increase a rabbit population is ( D ) Decrease in predators

Rabbits as primary consumers

Rabbits are herbivores that feed on nuts and grasses they are primary consumers and are prey to so many secondary and tertiary consumers ( i.e predators ).

A decrease in space  will result to lose of habitat and this will decrease the population of rabbits also extreme weather conditions might lead to death of rabbits just like decrease in food will cause starvation and eventual death for rabbits as well.

While a decrease in predators will result in the survival of more rabbits ( i.e increase in population )

Hence we can conclude that The factor that will increase a rabbit population is Decrease in predators.

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HELP ASAP ITS TIMED I ONLY HAVE 12 MINUTES LEFT!!!!!

Which of the following is an important part of a risk assessment for a potential toxicant?
A. Developing strategies to minimize risk

B. Performing a dose-response analysis

D. Performing a cost-benefit analysis

Answers

Answer:

Performing a dose-response analysis

Explanation:

A P E X

When a cel is placed in this type of solution, there will be equal amounts of water moving in and out of the cell at equal rates.
A. hypotonic
B. isotonic
C. supersonic
D. hypertonic​

Answers

Answer:

B, Isotonic solution

Explanation:

In an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

Answer:

A. hypotonic

Explanation:

In an isotonic solution, the flow of water in and out of the cell is happening at the same rate. Figure 9.7. 1: Red blood cells in hypertonic, isotonic, and hypotonic solutions.

Which statements best describe the first stage of cellular respiration? Select three options


A - the stage happens in cytoplasm
B- the stage happens in mitochondria
C - Oxygen combines with the small molecules
D - Glucose is broken down
E - Energy is released

Answers

C because cellular respiration uses combine oxygen and other toxic waste.

how is there a day without clouds

Answers

Clouds are formed when the sun heats water on the ground/ocean. This water evaporates, or becomes the gas form of water known as water vapor. ... This is a constant process, and therefore there can be no days with absolutely no clouds in the sky.

1. The nucleus is the site of
in protein synthesis
A. transcription
B. translation

Answers

Transcription takes place in the nucleus and translation takes place in the ribosomes!

The nucleus is the site of transcription in protein synthesis.

What do you mean by Transcription?

Transcription may be defined as a process through which a cell makes a copy of RNA (mRNA) from a strand of the DNA.

These messenger RNA carries the genetic information which is essential to make a protein in a cell. The process of transcription occurs in the nucleus of the cell.

While translation is the process by which the sequences of mRNA may transform into proteins. This process occurs in the cytoplasm of the cell.

Therefore, the nucleus is the site of transcription in protein synthesis.

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Each quantum number that describes the two electrons in a
helium atom is identical, except for the one that indicates their

Answers

The answer is spin.


Each quantum number that describes the two electrons in a helium atom is identical, except for the one that indicates their spin.

what are 3 different types of mutation ​

Answers

Answer:

There are three types of DNA Mutations: base substitutions, deletions and insertions. Single base substitutions are called point mutations, recall the point mutation Glu -----> Val which causes sickle-cell disease. Point mutations are the most common type of mutation and there are two types.

Explanation:

mark me as brainliest

Answer:

base substitutions, deletions and insertions.

Explanation:

What is the difference between a biome and a microhabitat

Answers

A micro habitat is small habitat that exists on a normal habitat, where as the biome describes the type of area on a much larger scale. for example; a desert is a biome and in that desert there is an area where grass grows and lot of mice live in that area (habitat), and there is a part of that habitat where one of the mice feeds (micro habitat). a micro habitat can also exist on another animal (parasite).

The difference between a biome and a microhabitat are as follow:

Microhabitat: A microhabitat is a small specialized habitat within a larger habitat. An example of a microhabitat is a caterpillar snacking on leaves that have fallen from a walnut tree in the orchard.

Biome: A biome is a large region of Earth that has a certain climate and certain types of living things. Major biomes include tundra, forests, grasslands, and deserts.

What is a habitat?

A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive.

Hence, microhabitat is a small specialized habitat whereas biome is a large region.

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IMPORTANT PLEASE HELP! Hi,can you please check my answers? AYUDA!!Cuando _____ estudiado la leccin?Me _______ la espalda del fro A los dos an no ______ ha terminado______ en Madrid antes de la guerraNo le ______ nada a tu accidente what type of reaction is Fe(NO3)3 + 3NaOH Fe(OH)3 + 3NaNO3 Lia needs 514 yards of fabric to make a costume for the school play. How many feet of fabric does Lia need?A.463 feetB.134 feetC.258 feetD.1534 feet A box of oranges weighs 4 kg. If one orange weighs 80 g, how many oranges are in the boxes? How could drinking too much alcohol affect a person's family in a negative way? True or false the carrying capacity is the minmum number of individuals in a species that an environment can support Which of these expressions are equivalent to 4x+2(2x5)(35x) ? Choose the TWO correct answers. a- 3x13b- 13x13c- 8x535xd- 8x1035xe- 8x103+5x Please help!! Plate Tectonics:Question 9Fill in the missing term from this sentence:Extreme heat from the Earth's core causes ___________currentsin the mantle, causing the tectonic plates located above the mantle tomove.Select one:inductionsubductionmagneticconvection What's the central idea for the text "What it took to be a NASA computer by Melinda Baldwin". What is the solution to this equation?X = 8-4O A. x= 32O B. x= -32O C. x= -2O D. x= 2 Please answer please Ill give you brainless. Its important. Please This question has two parts. First, answer part A. Then, answer part B.Part AWhat does the author think of microloans? A. They help people, but not communities. B. They can change peoples lives for the better. C. They need to be fixed in order to work correctly. D. They should be paid back quickly to make a difference.Part BWhich sentence from the article best shows what the author thinks? A. A microloan is a loan of a small amount of money to a person or group. B. Microloans are made to people in developing countries in Africa, Asia, and South America. C. Groups involved in microloans find that what is good for one person is also good for those around that person. D. The people who receive microloans are often very poor. Prove that triangle HOW is congruent to triangle NEW the picture explains it all Which rational number equals 0 point 2 with bar over 2 Subtract 3x^2+8x3x 2 +8x from -9x^2+3x-89x 2 +3x8. What is the correct ionic charge for a barium atom ___________ are over 500 million years old and have been developing their unique system all that time.Question 1 options:FishOctopiSnailsJellyfishplease help fast timed