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PSYCHO15rus [73]
2 years ago
12

Which of the following are examples of short-term, human-induced environmental changes? Select three answer choices

Biology
2 answers:
horsena [70]2 years ago
7 0

Answer: Short-term would be deforestation and pollution. The rest are long-term!

Delicious77 [7]2 years ago
7 0

Answer:

Number 3 and 5

Explanation:

DEFORESTATION AND POLLUTION

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A conservation plan could proceed with a single 20-square kilometer habitat preserve or with two habitat preserves, measuring a
Aleksandr [31]

A conversational plan with two habitat preserves, measuring a total of 20 square kilometers combined will preserve more species because this cause segregation of species based on their adaptability towards a safer and secure environment. For example if a lion and deer try to live in the same conservation area, then it’s obvious that the life of deer is always at risk. But in cases of segregated preserved areas both herbivorous and carnivorous animals can live separately. Also if there is special inclination of one species towards other then also these two species can live separately.  

Segregation also enhances the diversity in the sense that it could lead to a new ecosystem with a new ecological balance within it. Conservation biologists focus on these areas as they claim that  where the greatest number of unique species can be found and protected with in the large number of reserve areas with the least amount of effort  


6 0
2 years ago
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A Xw+m+Xwm female was mated to a XwmY male. Out of 1000 total F1 progeny there were 230 flies that were otherwise wild type with
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In order to calculate the distance between two alleles/genes that are found in the same chromosome, we need to know how often crossing-over happened (recombination frequency). We know from the text that white eyes were linked to miniature wings and that wild type eyes were linked to wild type wings, so any phenotype that's contrary to these parent combinations are a result of crossing-over. We know then that 230 flies + 240 flies were a result of such recombination. To calculate the recombination frequency we only need to divide these flies (total of recombinant flies) by the total of flies in the offspring and turn it into percentage.
\frac{230+240}{1000}=0.47
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47 map units is the distance between the genes <span>for eye color and wing length.</span>
7 0
2 years ago
9. Look closely at the illustration above. a. What process is occurring? b. What is being made? c. How can you tell?
mars1129 [50]
The answers are:

A. DNA replication in the nucleus of a cell
B. From one helix of DNA in a replication process, we get two: The DNA is a double helix and it consists of two strands of specifically connected amino-acids. When the time for replication comes, a set of enzymes unwind the two strands and leave them as a base for additional two strands attaching to them - the green line is an example of that. The free nucleotides - adenine, guanine, thymine and cytosine are left open and the enzyme called DNA-polymerase helps to produce a new strand on the template of the old parental one (one of the blue ones in the picture) 
C. By the location on the smaller picture - replication takes place in the nucleus. And the most important hint are the letters A - adenine, G - guanine, T- thymine, and C-cytosine. A connects with T, and G connects with C. 
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2 years ago
Acid rain throughout the northeast United States has lowered the pH of many ponds and lakes. The lowered pH will eventually resu
Alik [6]
No diagram shown, but it would be the fish/any other organisms near or in the shallow part/any part of a pond/lake.
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He is making a plant cell since the cell walls are box shaped, the balloon would be the large vacuole which takes up a lot of space in the cell, the marbles would be the ribosomes.
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