a cell in g2 before meiosis begins, compared with one of the four cells produced at the end of meiosis ii, has

1 answer:

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Diploid cell. In meiosis I, the cell undergoes cell division process that is more likely has the similar procedures that mitosis undergoes. The cell produced is called the diploid cell which has the complete 48 strands of chromosomes within it. However, after the mitosis II takes place, the cell produced is called a haploid cell which has only 24 chromosomes instead of 48.

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What is the main function of each part of the compound microscope

natulia [17]

Answer:

Body tube (Head): The body tube connects the eyepiece to the objective lenses. Arm: The arm connects the body tube to the base of the microscope. Coarse adjustment: Brings the specimen into general focus. Fine adjustment: Fine tunes the focus and increases the detail of the specimen

Explanation:

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2 years ago

A geologist finds four layers of sedimentary rock. She determines that no geologic events have shifted the layers. She labels th

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The answer is; B is younger than D

In sedimentary rocks, the bottom layers are older that overlaying layers. This is because sediments are placed on top of each other by surface runoffs to ocean beds. Therefore, the first sediments to be deposited will always be towards the bottom as more and newer ones are brought in and deposited.

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Limited resources contribute to evolutionary change in animals by increasing

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<u>Answer:</u>

Limited resources contribute to evolutionary change in animals by increasing Intra-specific competition.

<u>Explanation:</u>

Intra-specific competition means competition among the members of same species.

Individual of same species have same ecological niche i.e. how an organism is related with biotic and abiotic aspect of environment.

So they require same resources of their survival. When population of any species increases then there is high chance of intra-specific competition because of limited resources.

Intra-specific competition also determine the population size of species. For example, competition among shark rodents.

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2 years ago

A probe is launched from Earth and lands on Mars. The gravitational acceleration on Mars is 3.7 m/s2.

ki77a [65]

The correct option is this: THE MASS OF THE PROBE REMAINS THE SAME, BUT THE WEIGHT OF THE PROBE DECREASES.

The mass of an object is a measure of the amount of substance it contains and this amount always remain the same unless there is a change in quantity of matter. This is the reason why the mass of a substance will remain constant, no matter where it is placed, whether on planet earth or on another planet. The weight of a substance on the other hand is a force, whose value depends on the force of gravity. Thus, the force of gravity that exist in the place, where the object is placed will determine its weight.

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1 year ago

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Given that the mean cuteness of the current herd is 39.7 OMGs, the BAF workers picked the 16 cutest adults and allow them to rep

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Answer: 41.5 OMGs is the predicted mean cuteness in the next generation.

Explanation:

Cuteness is a way to measure relative ability of individuals with a certain genotype to reproduce successfully.

Mean cuteness is given as the summation of individual cuteness. Mean cuteness also changes in the next generation.

The mean cuteness of the current herd was given as 39.7 OMGs and after 16 individuals were chosen, the mean was given as 41.5.

This implies that there was a change already as mean cuteness will either increase or decrease in the next generation after selection. Here, 39.7 increased to 41.5 .

The predicted mean cuteness is therefore 41.5 OMGs.

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