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Answer:

Reproduction is an important characteristic feature of living organisms. It is an essential life process which not only helps in survival but also helps in continuity of that race and group immortality, as by reproduction. Reproduction also helps in increasing the population of the species.

Answer:

Explanation

The biological process in which living organism produce their own kind by asexual and sexual method is called reproduction.

Importance of reproduction

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Is reproduction important to the survival of an individual? Why would you say that living things reproduce if some individual living things may not reproduce?

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Answer is: All of the above

Explanation:

Groundwater supplies drinking water for 51% of the total U.S. population and 99% of the rural population. ... 64% of groundwater is used for irrigation to grow crops. Most wells do not get their water from underground rivers. Hydrants are connected to our drinking water.

Answer:

Explanation:

The water is either stored in aquifers or slowly pulled downhill by gravity, where it will eventually seep into streams, lakes, and oceans. Wells can be drilled into aquifers to pump out water for irrigation, drinking, fire hydrants, and other uses. Many local and state water departments depend on groundwater for public use. In 2000, almost 20 percent of freshwater used in the United States came from groundwater.

Answer: Firstly it should be noted that, the chances of hybridization between two ground finch species should be less than the chances of hybridization between two tree finch species. On this wise, their genomes would be more similar to each other than are the genomes of the five tree finch species. Secondly, they should be limited to the six islands that most recently emerged from the sea.

Thirdly, they should share fewer anatomical homologies with each other than they have shared with the tree finches.

Fourtly, their genomes should be more similar to each other than are the genomes of the five tree finch species.

Explanation:

DNA replication needs to occur because existing cells divide to produce new cells. ... So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!

Answer:

See the answer below

Explanation:

At the first look, the cell was in G1 phase of the cell cycle. At the second look, the cell was in the G2 phase of the cell cycle, and at the third look, the cell was in Telophase.

At the G1 phase of the cell cycle, the cell mainly experiences growth and development. Nothing much happens except that the cell increases in volume.

At the G2 phase of the cell cycle, synthesis of DNA has taken place during the S phase and the amount of DNA present in a cell is doubled at this stage.

At the telophase stage of the cell division in the cell cycle, chromosomes have completed their migration to the poles and each pole appears like a nucleus with their individual chromosomes under the microscope. The cytoplasm is yet to divide at this stage, hence, everything still appears as a single cell.

Answer:

Explanation:

Fermentation does not involve an electron transport system, and no ATP is made by the fermentation process directly. Fermenters make very little ATP—only two ATP molecules per glucose molecule during glycolysis. ... During lactic acid fermentation, pyruvate accepts electrons from NADH and is reduced to lactic acid.

The NADH needed to convert pyruvate to lactate is supplied by this reaction of glycolysis, so the transfer of electrons helps to repeat the lactic acid fermentation process as lactate is reduced to pyruvate to regenerate NAD+ which is are reused for uninterrupted operation.

Glycolysis is defined as the metabolic pathway that converts glucose to pyruvate where the free energy released in this process is used to form the high-energy molecule adenosine triphosphate and the lesser nicotinamide adenine dinucleotide. It is a sequence of ten reactions catalyzed by enzymes.

During glycolysis , ATP and NADH are produced where lactic acid fermentation process uses NADH molecule from glycolysis molecule to convert pyruvate to lactate. During lactic acid fermentation, NADH transfers its electron to pyruvate and is oxidized to NAD+ while pyruvate is reduced to lactate.

NAD+ assisted dehydrogenation and phosphorylation of glyceraldehyde-3-phosphate (G3P) to 1,3-biphosphoglycerate (1,3-BPG) is coupled to lactate production where NADH is supplied to convert pyruvate to lactate, hence, the transfer of electrons helps the lactic acid fermentation process to repeat itself as the reduction of pyruvate to lactate regenerates NAD+ which is reused for uninterrupted operation

Thus, the NADH needed to convert pyruvate to lactate is supplied by this reaction of glycolysis, so the transfer of electrons helps to repeat the lactic acid fermentation process as lactate is reduced to pyruvate to regenerate NAD+ which is are reused for uninterrupted operation.

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Answer:

The options to this question are;

A. genotype

B. adaptation

C. selective pressure

D. stabilizing pressure

The answer is B) Adaptation

Explanation:

Adaptation is the process whereby an organism becomes well suited to survive in its natural environment, which is aided by the possession of certain traits called adaptive features. For example, the fins of a fish makes it fit to survive in an aquatic environment, likewise the opposable thumbs of humans make us well suited to survive in our environment.

As stated in the question, the opposable thumb i.e. movement of the thumb independently of the other four fingers, is a characteristics of primates. This unique feature (opposable thumb) allows us to grab things, get a good grasp of tools, use tools effectively, write things, etc. All these ability due to the possession of opposable thumb increases our chances of survival. Hence, the possession of opposable thumb is regarded as an ADAPTATION

Answer: Wet or dry environment.

Explanation:

The independent variable is the variable that a researcher manipulates in an experiment in order to carry out a study on the incidence of the expression of the dependent variable. Therefore, the independent variable is the one that changes or is controlled to see its effects on the dependent variable.

Researchers can then design a container with a wet or dry environment. But it's the pillbugs that are going to choose where to go and how long to spend in each part. So the time they spend in each part is a dependent variable since that cannot be controlled by the scientists conducting the experiment. Henceforth, the researches will just record this dependent variable without controlling it. But they can decide what to put in the container to make it wet or dry environment, or whatever they want to design. So wet or dry environment is the independent variable.

Answer:the independent variable is whether the pillbugs choose a wet or dry environment. The dependent variable how much time was spent on each side.

Explanation:

Options:

A.) experimentation

B.) inference

C.) observation

D.) interacting

Answer:

B. Inference

Explanation:

Inference is a logical conclusion that is arrived at, judging from the facts and and evidence we already know and see.

In the case above, a decrease in rabbit population and explosive of the population of the coyote are premises that the biologist basses his logical conclusion on, stating that, the population of coyote has a negative impact on rabbit population. This could also be termed "an educated guess".

Answer:

B

Explanation:

took the test got 100

Answer:

TRUE

Explanation:

Explanation:

They have very high levels of chemical reactivity, and therefore generate indiscriminate chemical reactions

Radiation and electrons bombarded by radiation move haphazardly inside the cell, resulting in damage to the various molecules forming the cell.

Chromosomal DNA inside the. cell nucleus can also be damaged

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Answer:

B : mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced.

Explanation:

Leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

Photosynthesis is the process by which green plants manufacture their own food in the presence of sunlight.

Factors that affects photosynthesis are:

Thus, leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

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Answer:

Stomata and Transpiration on edmentum

Explanation:

Answer:Long term drought, change of season from winter to summer, forest fire are unfavorable environmental factors which can deplete the amount of resources already available with the ecosystem. The long term drought will be a condition in which the ecosystem will suffer from non-availability of water.

Explanation:

Answer:

1) nitrogen bases

2) the 1950’s; microscope  

3) DNA and protein

4) nucleotides

5) X-ray diffraction

6)  ball-and-stick model-building

7) 25 April 1953

8) was critical to Watson and Crick

9) adenine-timine; guanine-citosine

10) double helix

11) base pairs  

12) G with C and A with T

13) 1953

14) died

15) unwound

16) synthesized; a new molecule

Explanation:

Nitrogenous bases are used to construct nucleotides. Until the discovery of the helical shape of the DNA molecule, were only possible to identify the genetic material (chromosomes) by the microscope. Chromosomes are composed of DNA and proteins (histones). Nucleotides are the building blocks of the DNA molecule. The X-ray diffraction data obtained by Rosalind Franklin were used to decipher the DNA structure. The ball-and-stick is a molecular model where atoms are represented by spheres and bonds are represented by rods. Chargaff's rules indicate that the content of cytosine is equal to guanine and adenine is equal to thymine. Rosalind Franklin died of ovarian cancer in 1958.  The double-stranded DNA molecule must be unwound and then the DNA strands serve as templates to synthesize identical DNA molecules.

Answer:

4, based on the assumption that the R allele is dominant over the r allele, and that the T allele is dominant over the t allele.

Explanation:

Any bush with a dominant petal color allele (R) will have red petals. This includes Rr and RR.

Any bush with a dominant bush size allele (T) will have a tall bush. This includes Tt and TT.

The only way to acquire a short bush or pink petals is to have two recessive alleles together (tt, rr).

RRTT, RrTT, RRTt, and RrTt -> red petals with tall bushes

RRtt, Rrtt -> Red petals with short bushes

rrTt, rrTT -> pink petals and tall bushes

rrtt-> pink petals with short bushes.

These are the four phenotype variations possible in this dihybrid cross.

In natural selection when more offspring is survived is a sign of higher fitness of the particular population, hence given statement is true.

Most qualities are inherited, there are more children generated than can survive, and offspring with more advantageous features will survive and have more offspring than those with less advantageous traits leading to the inevitable process of natural selection.

Since there are only so many resources available, more creatures are born than can live those who are better at obtaining food.

Mating or evading predators will have a higher chance of thriving, procreating, and passing on their DNA.

Therefore an individual in the population has offspring to survive more in number.

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Answer:

changing i think

Explanation:

Answer:the organelle which are found in both animal and plant cells are

Cell membrane

Cytoplasm

Nucelus

Golgi bodies

Ribosome and

Vacoule ( in different amount)

The structures that are found in both animal and plant cells are cell membrane, cytoplasm, golgi body, nucleus and ribosomes. The correct options are a, c, d, e, and f.

All living organisms and body tissues are made up of cells, which are the smallest unit that can live on its own.

A cell is made up of three major components: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and regulates the substances that enter and exit the cell.

Plant and animal cells are structurally very comparable because they are both eukaryotic cells.

The nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes are all membrane-bound organelles in both.

Plant cells lack centrosomes and lysosomes, whereas animal cells do. Plant cells always possesses a cell wall, chloroplasts as well as other specialized plastids, and a large central vacuole, whereas animal cells do not.

Thus, the correct options are a, c, d, e, and f.

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Answer:

Animals and plants are made of cells. Tissues are made from cells of a similar type. Organs are made from tissues, and systems are made from several organs working together.

Explanation:

Answer:

Eukaryotic

Explanation:

They have membrane-bound organelles such as the nucleus and mitochondria.

Answer:

Microvilli

Explanation:

The microvilli are microscopic in nature, they form projections on cell membranes which helps to increase the surface area of the membrane, which further enables diffusion. Microvilli are mostly found in the small intestine and they work together with villi to increase the absorption of nutrients in the small intestine.

In addition, they also involved in the secretion of enzymes called brush border enzymes that aids the easy and complete digestion of carbohydrates and Protein. One of such enzymes are the glycosidases which digest carbohydrates.

Answer:

Digested food molecules

Explanation:

Answer:

Organisms benefit from mitosis because mitosis helps regenerate cells. This helps them recover from injuries and more.

Explanation:

Answer:

There are no options to this question but it can be answered by giving a general explanation. The answer is:

Because the digestive enzymes are not in direct contact with the cells that make up the walls of the alimentary canal. The walls are protected by mucuous lining.

Explanation:

Digestion of our ingested food is an important process for the effective functioning of our body system. Digestion is the process whereby food, which are usually macromolecules, are broken down into simpler molecules usable by the body. After food is taken in from the mouth (ingestion), it must be broken down by chemical and mechanical means.

The chemicals means is through digestive enzymes, which are proteinous chemical substances. The digestive system consists of the alimentary canal or digestive tract, which is a tube-like organ that forms the path for food passage. Since digestive enzymes secreted during digestion can disintegrate every macro biomolecule e.g protein, carbohydrate etc, it can also break down the molecules that make up the cells of the tract wall.

However, the digestive enzymes does not break down the cells of the canal's wall because the body system secretes mucus, which lubricates the passage of food along the canal. It also prevents the digestive enzymes from coming in contact and acting on the macromolecules that make up the cells of the walls of the alimentary canal.

Answer:

Respiration is a type of metabolism.

Answer:

C. Respiration is a type of metabolism

Explanation:

Both B and D are incorrect because:

Multicelluar organisms have more than one cell; while singlecelled organisims only have one cell.

Also, homeostasis is a natural way an organisms body reacts to different situations, like when you sweat, your body is realising a way to lower the heat in your body. Therfore, A. is also incorrect.

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1) 2

2) 3

3) The type of pot or soil does matter

4) Using different types of soils, fertilizers, pots and putting them in different places

5) I'm sorry but I can't draw the graph

Answer:

La sociedad peruana de derecho ambiental fue fundada en 1986. Surgió como una idea para reconocer a comunidades, organizaciones y personas que trabajan en pos del cuidado de la naturaleza para todos. Se sostienen a través de donaciones. La SPDA busca la conservación ambiental a través la promoción de legislación y políticas ambientales, diseñando e implementando instrumentos para el desarrollo sostenible dentro de un marco de equidad, justicia y gobernanza.

Explanation:

La Sociedad Peruana de Derecho Ambiental (SPDA) es una ONG. Sus funciones las realiza dentro de diferentes temáticas: Justicia ambiental, cambio climático, bosques y fauna silvestre, fortalecimiento de la gestión ambiental, pueblos indígenas y territorios, biodiversidad y áreas naturales protegidas, inversiones sostenibles, gobernanza marina e hídrica, ciudadanía ambiental, comunicación ambiental y agrobiodiversidad y conocimientos tradicionales. Llevan más de 250 iniciativas de conservación voluntarias.

Answer:

The correct answer is - active and passive.

Explanation:

Immunity is the capability of multicellular organism to protect itself from harmful molecules that are foreign to the body such as microorganism and antigens. Immunity can be active immunity or the passive immunity.

Active immunity takes place when one's own body produces antibodies to fight against a particular disease or antigen by immune system where as passive immunity occurs when an individual receives antibodies from outside and produced outside.

Thus, the correct answer is - active and passive.

Answer:

These neurons are located in the central nervous system (the brain and spinal cord). Afferent and efferent neurons have to work together in order to sense and respond to stimulus, but they don't directly connect. Association neurons bridge the gap to relay information between sensory and motor neurons.