A state in which an object is in motion. OA. static B. dynamic OC. vector OD.scalar​

Answer:

Sometimes, there can be random fluctuations in the numbers of alleles in a population. These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over time. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.

Genetic drift in a population affects the gene pool by decreasing genetic variation.

Genetic drift is a mechanism of evolution that occurs due to random fluctuations in the frequency of alleles (alternative forms of a gene) in a population. It refers to the random changes in the frequency of alleles that occur by chance alone, rather than through natural selection or other selective pressures.

Genetic drift is more likely to occur in smaller populations, where chance events can have a greater impact on the frequency of alleles. The effects of genetic drift can result in the loss of certain alleles from a population over time, or the fixation of one allele in a population, meaning that it becomes the only allele present at that particular gene locus.

Two forms of genetic drift are bottleneck effect and founder effect. In the bottleneck effect, a sudden reduction in population size can cause the loss of genetic diversity, while in the founder effect, a small group of individuals colonizes a new area, leading to the establishment of a new population with a limited subset of the genetic diversity present in the original population.

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Answer:

the first answer

Explanation:

C6H12O6 + 6H2O + 6O2

Answer:

Trophic Level Definition. A trophic level is the group of organisms within an ecosystem which occupy the same level in a food chain.

Examples of Trophic Level. Primary producers, or ”autotrophs”, are organisms that produce biomass from inorganic compounds

Explanation:

Answer:

there are no possible changes adaptations

Explanation:

what i mean by that is if a substantial amount of pollution enters the water cycle its going to be nearly impossible for it to get out

If water present on earth is polluted anywhere in the cycle, it starts affecting the system of water and percolation as well as plants become limited that what they will do in order to clean the water. It is possible that if ground is polluted than water will also get polluted. It means that the water present on earth is same the water present from the beginning and will continue to be the same water that is available.

Groundwater has been defined as water present in the underground water below the soil as well as in the cracks of the earth. The percentage of freshwater in the world would be 30%. There are mainly three types of groundwater and these are hand-dug wells, as well assprings, and drilled boreholes.

The water stored under the ground has obtained from the rain and stored in the ground so that it can be used later. Ground water has very clean and fit for drinking and the reason could be the soil present on top and work as filter and the groundwater is free from all microorganisms.

Therefore, If water present on earth is polluted anywhere in the cycle, it starts affecting the system of water and percolation as well as plants become limited that what they will do in order to clean the water. It is possible that if ground is polluted than water will also get polluted. It means that the water present on earth is same the water present from the beginning and will continue to be the same water that is available.

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Answer:

The answer is "they undergo capacitation"

Explanation:

Sperm migrate through uterine contractions and the energies of its flagella to the uterine tube. In sperm motility, reverse peristalsis is engaged in the uterus and uterine tubes. For a sperm cell to fertilize an egg, it takes approximately 24 hours. The surface of the egg changes as the sperm penetrates the egg, therefore no sperm is allowed within. The kid is fully genetic, including whether it's a boy or a girl at the time of fertilization. Until they are trained it is difficult for sperm to be working.

Answer:

Mendel choose pea plant (Pisum sativum) for his experiment due to following reasons:

(i) availability of contrasting traits of several characters.

(ii) Their life span is short.

(iii) Normally self-pollination occurs but cross-pollination can also be done by artificial means.

(iv) Large no of seeds produced.

Mendel choose pea plants for his experiments because of the following reasons:

(i) The flowers of this plant are bisexual.

(ii) They are self-pollinating, and thus, self and cross-pollination can easily be performed.

(iii) The different physical characteristics were easy to recognize and study.

Cell is the living blocks of life. They form the structural

and the functional unit of our life, that is a group of cell

forms tissue, a group of tissue forms organ, a group of

organs form organ system and finally a group of organ

systems form a complete organism / individual.

And there are two types of cell

1/ eukaryotic cell ( consists of the plant cell and the animal

cell )

2/ prokaryotic cell (... I don't know man )

Answer:

epimysium

Explanation:

Epimysium is a sheath of fibrous elastic tissue surrounding a muscle.

It is a layer of dense irregular connective tissue which ensheathes the entire muscle and protects muscles from friction against other muscles and bone

Answer:

Photosynthesis is the process by which plants convert sunlight into energy.

Explanation:

Answer:

Yes because genetic testing will provide enough evidice for the genetic disease. If you do so you can find diseases before they have long lasting effects on the hosts body

Explanation:

Answer:

Y most likely represents springs.

Answer:

The primary nutrients are nitrogen, phosphorus and potassium. You may be most familiar with these three nutrients because they are required in larger quantities than other nutrients. These three elements form the basis of the N-P-K label on commercial fertilizer bags.

Explanation:

Answer:

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bbbbbbbbbbbbbbbbbbbbbb

Answer:

conus medullaris

Explanation:

Answer:

a chromosome that links a pair os sister chromosome

Explanation:

each chromosome is made of two parallel strands called chromatids. and each pair of chromatids is connected at one point by a structure called centromere.

Answer:

is the constricted region of a chromosome that separates it into a short arm and along arm

or...is a specialized DNA sequence of a chromosome that links a pair of sister chromatids

Explanation:

during cell division , the chromosomes first replicate so that each daughter cell receives a complete set of chromosomes

Answer: B the second trimester

Answer:

Telophase is the last step of cell division, when chromosomes move in opposite directions so two new cells can be formed from one. When a cell is finishing the process of meiosis, it goes through a phase in which it's basically getting ready to split into two new cells telophase.

Explanation:

Answer:

{Indian National congress was founded in 1885.}

Answer:

A downhill

Explanation:

A runoff happens when water drags sediment from a rock over a sloping terrain. Thus, water drags the eroded fragments of a rock in favor of gravity, pushing these fragments downwards. This is very common in mountainous and steep regions, without vegetation cover, where erosion caused by runoff is very high.

Answer:

The organelle not found in plant cells is the centriole. Plant cells have a large central vacuole that holds water and minerals for the cell.

Explanation:

Answer:

The centriole JRJRJRBRBV5NEJDJDHDNEJB5BTKWH

Explanation:

I don't know what to put here

Answer:

Nitrogen ---- formed due to the transformation of ammonia (NH3)

carbon dioxide and water vapor ----- released into the atmosphere during volcanic eruptions

helium ------ mostly escaped Earth's atmosphere due to it is light mass.

Explanation:

Nitrogen are formed due to the transformation of ammonia (NH3) due to action of beneficial nitrogen, carbon dioxide and water vapor are released into the atmosphere during volcanic eruptions and helium mostly escaped Earth's atmosphere due to it is light mass. Helium has atomic mass i.e. 2 which is second lowest after hydrogen mass so due to its lighter weight it can't be stay in the atmosphere near to earth.

Answer:

Nitrogen - formed due to the transformation of ammonia (NH3)

carbon dioxide and water vapor - released into the atmosphere during volcanic eruptions

helium - mostly escaped Earth's atmosphere due to it is light mass.

Answer:

Glycolysis and Krebs cycle.

Explanation:

During cellular respiration, the first carbondioxide gas is generated during glycolysis while the remaining carbons are given off as carbondioxide during Krebs cycle. During the process of glycolysis in cellular respiration, glucose is oxidized forming carbondioxide and water whereas during the Krebs cycle, the two carbon atoms of acetyl-CoA are released and each turns into a carbondioxide molecule.

Answer:

Iron usually forms an

Induced magnet

Answer:

Temporary or Induced Magnets.

Explanation:

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the memberane which is easier to remove from a biological membrane is integral membrane

cytoplasm im pretty sure

plasma membranes

dna

ribosomes

cytoplasm

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Answer:

A. They share a common ancestor, but they’re different species.

Explanation:

Answer:

directional

Explanation:

We define directional selection as a type of natural selection whereby a phenotype is favored in preference to other phenotypes hence, the entire allele in the population will tend to shift in that particular direction .

This is clearly demonstrated in a scenario whereby insects that have very high resistance to an insecticide tend to survive better in an environment compared to other insects that do not exhibit this phenotype.