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tangare [24]
3 years ago
7

Which statement best describes how a major change in size of one population affects an ecosystem

Biology
2 answers:
Delvig [45]3 years ago
8 0
If one population, such as lets say a hawk decreases the niche, or the importance of an animal or its effect in the ecosystem, on the mice. the mice population increases. or it can be lets say plants and bugs, the lady bug goes away and the other bugs eat the plant
BartSMP [9]3 years ago
5 0
Biodiversity will be affected. Increase in one population can lead to a decrease in another
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What is happening when the cells start to swell up with water
alekssr [168]

the cell goes into osmosis and goes into hypnotic solution


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3 years ago
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3. In one population, 18 individuals have long hair and 182 individuals have short hair. It is known thatmating has been random
pishuonlain [190]

Answer: p (short hair) = 0.91 and q (long hair) = 0.09

Explanation: In the population, short hair is a feature of domnant allele, because there are more short haired individuals than with long hair. In genetics, p is the frequency for dominant allele and q is for recessive allele.

For this question, short hair is allele L and long hair is allele l

So, the frequency of short hair is p and of long hair is q.

To calculate the frequencies:

Frequency of allele L = (number of copies of allele L in population) / (total number of L/l gene copies in population)

p = 182/200 = 0.91

The same formula goes for the recessive allele, so:

q = 18/200 = 0.09

Thus, the frequencies of hair allele are 0.91 and 0.09 for short and long, respectively.

8 0
3 years ago
Prokaryotic cells have nulcleus
Hoochie [10]

Answer:

not nucleus, only nucleoid

4 0
2 years ago
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Which statements describe adaptations in cultural practices resulting from scientific influences? Check all that apply.
son4ous [18]

People update outdated cell phones by purchasing smartphone devices.

People purchase solar panels after reading about the effects of burning coal.

People start grocery shopping online as new grocery applications are published.

Options B, C and E.

<u>Explanation:</u>

The statements that are given here talk about the change in the cultural practices of the people with the incoming of the Science and technology in their life and having an advancement of technology.

Like when people change their devices which have gone outdated to replace them with the new ones, or changing ways of shopping things from the older to new and more modern methods is change in the cultural practices because of Science.

3 0
3 years ago
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How did cyanobacteria affect Earths atmosphere during the Proterozoic Eon?
dalvyx [7]

Answer:

These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen. In fact, all the plants on Earth incorporate symbiotic cyanobacteria. For some untold eons prior to the evolution of these cyanobacteria, during the Archean eon, more primitive microbes lived the real old-fashioned way: anaerobically. These ancient organisms—and their "extremophile" descendants today—thrived in the absence of oxygen, relying on sulfate for their energy needs. But roughly 2.45 billion years ago, the isotopic ratio of sulfur transformed, indicating that for the first time oxygen was becoming a significant component of Earth's atmosphere,

7 0
3 years ago
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