all of the following conditions helps preserve organisms as fossils EXCEPT A)quick burial by sediments B) hard parts. C) protection from scavengers. D) activities of microorganisms

Answer:

the moles of oxygen react only 1.05 moles

Explanation:

because the formula of methane is CH4 so it has 10 molecule so 10.5 ÷10 =1.05

Answer:

C

Explanation:

ecosystem is living AND non living things

The best definition of an ecosystem is option C: "A system formed by the interactions of living organisms with the nonliving physical environment."

An ecosystem is a community of living organisms, such as plants, animals, and microorganisms, interacting with each other and their nonliving environment, including the atmosphere, soil, and water.

This interaction creates a functional system that can be characterized by energy flow and nutrient cycling. The other options are not accurate definitions of an ecosystem, as ecosystems involve both living and nonliving components, and the interactions are not limited to a single species.

Ecosystems are not isolated, and they can interact with other ecosystems. For example, rivers and streams can transport nutrients and organisms downstream, connecting different ecosystems such as a forest and a freshwater system. Similarly, the atmosphere can transport pollutants and other materials across vast distances, affecting ecosystems far from their source.

In summary, an ecosystem is a complex, interconnected system where living organisms interact with each other and the non-living components of their environment. Understanding the functions and interactions within ecosystems is critical to developing effective management strategies for conserving biodiversity and maintaining the ecosystem services that humans depend on.

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Answer:

D. Lipids

Explanation:

A biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.

Biological macromolecules may be defined as those large and organic molecules that are important to biophysical processes. It includes carbohydrates, lipids, proteins, and nucleic acids.

Nucleic acids are derived from a pentose sugar, a phosphate group, and a base. Protein is derived from their monomers known as amino acids. Carbohydrates are derived from monosaccharides units such as glucose. It includes carbon, hydrogen, and oxygen.

Triglycerides are a simple form of lipids that are constructed with the help of one molecule of glycerol while three molecules of fatty acids.

Therefore, a biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.

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Answer

A

Explanation:

that is the cell membrane it is used specifically for that reason, to help good things get it and to keep bad things out

Answer:

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Answer:

The correct answer is - Archaea.

Explanation:

Archaea is one of the three domains of life other than bacteria and eukarya. Archaea are prokaryotic organisms that are unicellular and present in very extreme conditions like salt environments or extreme heat.

Archaea used to be placed with bacteria but due to some closeness with the characteristic of eukarya as well as bacteria, it is placed as a separate domain. It lacks nuclei and has a cell wall in its cell.

Answer:

I. Overall magnification (TM) = x40

II. Overall magnification (TM) = x100

III. Overall magnification (TM) = x400

IV. Overall magnification (TM) = x1000

Explanation:

A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.

Mathematically, the overall (total) magnification of a microscope is given by the formula;

Overall magnification (TM) = Eyepiece magnification(EM) X Objective magnification (OM).

I. When EM = x10 and OM = x4

TM = EM * OM

TM = x10 * x4

TM = x40

II. When EM = x10 and OM = x10

TM = EM * OM

TM = x10 * x10

TM = x100

III. When EM = x10 and OM = x40

TM = EM * OM

TM = x10 * x40

TM = x400

IV. When EM = x10 and OM = x100

TM = EM * OM

TM = x10 * x100

TM = x1000

Answer:

Interesting

??

Answer:

Rough ER - modifying lipids

Explanation:

Rough ER does not modify lipids! Smooth ER does that! Hope this helps :)

Explanation:

There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus. Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. Dandelion seeds float away in the wind

Answer:

D

Explanation:

Answer:

Explanation:

During sexual reproduction, meiosis generates genetic variation in offspring because the process randomly shuffles genes across chromosomes and then randomly separates half of those chromosomes into each gamete. The two gametes then randomly fuse to form a new organism.

Answer:

An eclipse is an astronomical event that occurs when an astronomical object or spacecraft is temporarily obscured, by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three celestial objects is known as a syzygy

Explanation:

Answer:

An eclipse is an astronomical event that occurs when an astronomical object or spacecraft is temporarily obcured.

Answer:

1. a

2. b

3. d

4. a

5. b

6. d

7.b

8. im not sure abt this one, sry :(

9. yeah, true

10. c

Explanation:

Pro phase is the starting stage of the division where the cell division begins. Spindle fibers  are broken into half and the type of division that is present in gametes is reduction division that is the meiosis. Synapsis occurs during mitosis.

It is defined as the stage in which the pairing of the homologous chromosomes take place.

Chromosomes do not line at the equator as the lining of the chromosomes at the equator occurs on the stage of mitosis where it is possible to see the V,J and L shapes of the paired chromosomes. After this stage the exchange of genetic material takes place.Chromatin do not change into chromosomes in the metaphase.

Mitosis is present only to make the duplicate copies of the cell. The identical daughter cells are made when the division of mitosis is taking place in the cell. Chromosomes are first visible in the prophase. A centromere holds two sister chromatids together.

In meiosis crossing over takes place in anaphase 1.

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Matter is anything that has mass and takes up space. It includes molecules, atoms, fundamental particles, and any substance that these particles make up. Matter can change form through physical and chemical changes, but through any of these changes matter is conserved.

In other words, matter doesn't change into a different substance in a physical change. ... Changes of state—for example, from solid to liquid or from liquid to gas—are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting.

Hope it helps you :)

Answer:

Isnt it 0?

Explanation:

Answer: 50%

Because there are different systems in the body to prevent diseases, however chromosome diseases are usually hereditary so there is about a 50% chance that the child may be affected by this disease.

Huntington's disease is a dominant chromosomal disorder, when a woman who is heterozygous marries a man who is normal, then the probability for the child to be affected is 50%.

Huntington's disease is a rare genetic disease which causes the progressive breakdown of neurons present in the brain. Huntington's disease has a wide impact on a person's functional abilities and results in movement, cognitive thinking and psychiatric disorders.

When a woman who is heterozygous (Hh) for Huntington's disease marries a man who is normal (hh) for the disease, the probability of the offspring to be affected with the disease can be calculated with the help of Punnett square. And, it will be 50%.

The Punnett square is attached with the answer.

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Answer:

huh is there any question

Explanation:

Answer:

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.

Explanation:

Benefits of selective breeding:

Variation

Longer life span for bred animals

Less harm to surrounding organisms (for example, humans)

More food (plant breeding)

Faster growth (plant breeding)

Answer:

In immunology, an antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B-cell antigen receptor. The presence of antigens in the body normally triggers an immune response.

Answer:

1. true

2. false

3. true

4. sneeze, cough

5. children, adolescents

Explanation:

NERVOUS SYSTEM INFECTIONS

FULL QUIZ ANSWERS:

1. Tetanus is caused by polluted drinking water.

FALSE

2. Tetanus can occur in crushing or deep wounds.

TRUE

3. Communication for the senses and muscle coordination in the body is accomplished by the __________ system.

NERVOUS

4. Inflammation of the membrane linings of the spinal column or the brain is called ________________.

MENINGITIS

5. Meningitis most frequently affects:

CHILDREN

ADOLESCENTS

6. Muscle spasms and locked jaw, followed by convulsions, are symptoms of:

TETANUS

7. Vaccines have been produced to prevent and treat both tetanus and meningitis.

TRUE

8. Chlostridium tetani thrives near the surface of the skin.

FALSE

9. Why is tetanus associated with injuries which occur outdoors?

BACTERIA IN THE SOIL CAUSES TEANUS

10. Meningitis may be transmitted from one person to another by:

SNEEZE

COUGH

Answer:

D) Angiosperm

Explanation:

I hope this helps :) Tell me if I am wrong

Answer:

100% white cows if i understand what theyre asking for

Explanation: