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TiliK225 [7]
3 years ago
5

A laboratory experiment followed the growth of a flour beetle population over time. at first the population increased dramatical

ly but later growth slowed and the population size leveled off. while food (the wheat flour in which they live) was abundant, the flour beetles began to eat their own eggs when densities got high. what might we hypothesize about this behavior in the flour beetles?
Biology
1 answer:
lara31 [8.8K]3 years ago
5 0
<span>We can hypothesize that when the population density reaches a certain level, that flour beetles experience biological stresses not unlike that seen other animals, such as mice, where it becomes more beneficial to the population as a whole to implement control measures to prevent a population collapse due disease or a sudden decrease in food; even though at the present time resources seem more than abundant to handle the increased population.</span>
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Answer:

The correct answer is - 50%.

Explanation:

Codominance is a type of inheritance that takes place when the genotype of an individual organism in heterozygous condition express traits of both alleles.

Cross between blue and white pigeon and pure white:

BW × WW and gametes will be B and W and W and W

     B         W

W   BW     WW

W    BW     WW

There are 50% of BW that is blue and white pigeons

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3 years ago
Which structure or organelle is found in both prokaryotic and eukaryotic cells? A) ribosomes B) chloroplasts C) mitochondria D)
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Answer:

The correct answer would be A) ribosomes.

A ribosome is a vesicular structure present in both prokaryotic and eukaryotic cells. They consist of ribosomal RNA and associated proteins.

They are the site of translation in both prokaryotic and eukaryotic cells.

They are made up two units which are called large sub-unit and small sub-unit.

In prokaryotic cells, 70S ribosomes are present which are made up of 50S large sub-units and 30S small sub-units.

In eukaryotic cells, 80S ribosomes are present which are made up of 60S large sub-units and 40S small sun-units.

8 0
4 years ago
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adoni [48]

Answer:

Stomata - specialized cells that contract and expand to open or close pores for gas exchange. Stomata can adjust to temperature, staying closed when temperatures are hot and dry to prevent gas and water loss.

Explanation:

Stomata (singular stoma) are pores found in the epidermis of plant leaves. Stomata open and close in response to the change in structure of two guard cells either side of the pore opening. When the guard cells are turgid, the stomata open, when they are flaccid, they are closed.

This functions to permit gas exchange while preventing the loss of water, especially during hot, dry weather. The stomata can only open when the guard cells are turgid, pulling the stomata apart.

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Answer:

A trait that is controlled by more than one gene is called polygenic which translates to "multiple genes". ... In that case one gene has more than two alleles. An example of multiple alleles is blood type

Explanation:

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