A Egg is ....

A. Element
B. Composite
C. Homogeneous mixtures
D. Heterogeneous mixtures

Answer:

Cellular differentiation

Explanation:

I think this is it. In cellular differentiation a cell changes from one cell to another so this might have something to do with this

Answer:

(D) filters out harmful ultraviolet radiation

Explanation:

edg 2020

Answer:

Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit. The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to plants: Bear and berry, rabbit and lettuce, grasshopper and leaf.

Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.

In the predator prey relationship, one species is feeding on the other species. The prey species is the animal being fed on, and the predator is the animal being fed. The predator prey relationship develops over time as many generations of each species interact.

Predator and prey populations cycle through time, as predators decrease numbers of prey. Lack of food resources in turn decrease predator abundance, and the lack of predation pressure allows prey populations to rebound.

The relationships between predators and prey play an important role in structuring ecological communities, with predators influencing the dynamics of their prey in ways that cascade through ecosystems.

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Answer:

hi the answer is a)rain mixes with soil

have a nice day

Explanation:

Answer:

a Rain mixes with soil.

Explanation:

i took the test

Answer:

"Interphase was formerly called "the resting phase,"

Explanation:

The cell in  'interphase' is not rather "resting" but preparing for later cell division.

Answer: The first one

Explanation:

Answer:

Yes genetic modifications is a helpful application of technology that makes plants resistant to pests and disease while improving nutritional value

Explanation:

plz give me brainiest

Answer:

Binary fission-Binary fission, asexual reproduction by a separation of the body into two new bodies. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), and then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.

Budding-Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The small bulb-like projection coming out from the yeast cell is called a bud.

Fragmentation-Fragmentation in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments. Each of these fragments develop into matured organism, full grown individuals that are genetically and morphologically identical to their parents. 

Parthenogenesis-

Parthenogenesis is a form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm. Parthenogenesis is derived from the Greek words for “virgin birth,” and several insect species including aphids, bees, and ants are known to reproduce by parthenogenesis.

Explanation:

Hope this helps u

Crown me as brainliest:)

Binary fission is defined as the process of asexual reproduction by a separation of the body into two new bodies. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), and then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.

Budding has been defined as type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The small bulb-like projection coming out from the yeast cell is called a bud.

Fragmentation has been defined as the in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments. Each of these fragments develop into matured organism, full grown individuals that are genetically and morphologically identical to their parents.

Parthenogenesis has been defined as the form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm. Parthenogenesis has been derived from the Greek words for pure and several insect species including aphids, bees, and ants are known to reproduce by parthenogenesis.

Therefore, Binary fission is defined as the process of asexual reproduction by a separation of the body into two new bodies.

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Answer:

pretty sure it's a and b

Answer:

this is what i do when i bored :P

Explanation:

A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation. Grasslands are areas where the vegetation is dominated by grasses. However, sedge and rush can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur naturally on all continents except Antarctica and are found in most ecoregions of the Earth. In physical geography, tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian тундра from the Kildin Sámi word тӯндар meaning "uplands", "treeless mountain tract".

Answer:

It is Distance (meters)

between seconds 3 and 4

Explanation:

I had this on my test last week

Answer:

In a hypotonic solution, the solute concentration is lower than inside the cell. If the water continues to move into the cell, it can stretch the cell membrane to the point the cell bursts (lyses) and dies

Hypotonic solutions have lower solute concentrations than cells. If water keeps entering the cell, it can strain the membrane until the cell bursts and dies. Therefore, option (A) is correct.

In comparison to another solution, a hypotonic solution will have a lower solute concentration because of its composition. Without another solution to compare it to, it is impossible to determine whether a solution is hypotonic, isotonic, or hypertonic. A solution is said to be hypotonic when it has a relatively low concentration of solutes in comparison to another solution.

As a consequence of this, the solute concentration is lower in a hypotonic solution than it is inside of the cell. If the water continues to enter the cell, it has the potential to stretch the cell membrane to the point where the cell lyses and dies as a result of the rupture.

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Answer:

Carbon dioxide , Sunlight , and water.

Explanation:

Answer:

Glucose yields 2ATP , carbon dioxide and alcohol

Explanation:

My teacher sent me back my ws and that was a question i got wrong

Fermentation is a chemical process by which molecules such as glucose are broken down anaerobically. Therefore, option (A) is correct.

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.

Moreover, fermentation occurs in the absence of oxygen (anaerobic conditions), and in the presence of beneficial microorganisms (yeasts, molds, and bacteria) that obtain their energy through fermentation.

Hence, fermentation reactions occur in the cytoplasm of both prokaryotic and eukaryotic cells. In the absence of oxygen, pyruvate does not enter the mitochondria in eukaryotic cells.

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Answer:

Using the slope-intercept form, the slope is 0 .

Explanation:

Hope this helps!! :)

Answer:

The answer is B: respiration  

Explanation:

Answer:

cohesion

Explanation:

Answer:

2000000 heat calories.

Explanation:

Explanation:

The heat capacity of water is 1 calorie for 1 gram raised 1 degree C

or 4.186 joules of energy for 1 gram raised 1 degree C ( or

K

o

)

l Kg = 1000 grams so

100

K

g

×

1000

g

1

= 100000 grams of water.

It takes 10 000 calories to raise 10 000 grams of water 1 degree

so 20 degrees x 10 000 grams = 2 000 000 calories.

The same type calculations can be done for heat in joules

10, 000 grams x 4.186 joules x 20 degrees. = 8372000 joules.

Answer:

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Answer:

Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons). The difference in mass between the reactants and products is manifested as either the release or the absorption of energy.

The photon is a type of elementary particle. It is the quantum of the electromagnetic field including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force. Photons are massless, so they always move at the speed of light in vacuum,

photons are in light so yeah

Answer:

B. Mutations increase the genetic variation within a population, and some of the variants may provide an advantage to individuals over time

The role of mutations in evolution by natural selection is option b. Mutations increase the genetic variation within a population.

The mutation is significant as the first step of evolution since it developed the new DNA sequence for the specific gene that developed the new allele.

Also, at the same time, it rise the genetic variation within the population also it provides as an advantage to individual

hence, the option b is correct.

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Explanation:

spider webs produces silk thread to build their webs. The silk is produced in silk glands with the help of the spiders Spinnerets....The threads a spider used to construct its web begin as a liquid with a dry quickly in the air.

Answer:

Introduction of Non-native species would be the answer. ( B )

Explanation:

Now let's break it down.

A. Competition due to overpopulation

Competition due to overpopulation, as competition of resources rises, species will fight among each other, and slowly, population will go down. But I don't see the reason of why it would cause an extinction... perhaps a decrease of population. See, once populations starts decreasing, resources will increase. And ONCE resources increase, populations starts increasing, and there goes competition. Resources decreases, populations decreases, and the whole process repeats. So I'm not quite sure whether it will cause extinction of a species.

B. Introduction of Non- native species.

So what does it mean by Non-native species?

It means that species that have no effect and doesn't exist in the ecosystem. So that will definitely not affect the population whatsoever.

C. Catastrophic Events

Well, common sense. Many people died of tsunamis, tornado and other natural disasters every year. Too many disasters can cause the population to cease.

D. Disease

This we can relate, especially the Coronavirus. Many humans died of the deadly virus. Same goes to animals. If a disease gets too deadly, population will decrease and drive the species to extinction.

So, the Answer would be B.

Among the given options, the one that is a natural cause of extinction would be:

b). Introduction of non-native species.

'Non-native species' are described as the species that are introduced to an ecosystem different from its native habitat.

These species are severe threat to the existing ecosystem of the new habitat including plants, animals, aquatic life, etc. where they've been shifted.

Thus, it is not a natural cause as these species are not naturally introduced but the humans introduce them.

They turn so dominating to get their food and other things that it lead not only harmful but also lead to the extinction of the native species.

Hence, option b is the correct answer.

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Answer:

The correct option is A

Explanation:

Since the angle of the sun rays are high where John lives, it shows his area is exposed to high radiation of sunlight which is a pointer to high temperature. The question also says his area's latitude is low. Low latitude are those areas close to the equator whose areas are typically warmer than those who live close to the poles. Hence, it can be said that John often experiences high temperature based on the description above.

John often experiences high temperatures (Option A).

In conclusion, John often experiences high temperatures (Option A).

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Answer:

GTP.

3 NADH.

FADH2, which is converted to UQH2 in the presence of coenzyme Q (ubiquinone)

2 CO2 (carbon dioxide)