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DaniilM [7]
3 years ago
12

Government sanctioned activities to improve ecosystems have had little effect. True or False?

Biology
2 answers:
posledela3 years ago
7 0
False. Government sanctioned activities to improve ecosystems have helped to protect areas of wildlife and ecosystems from development and human activity. Although not always wholly effective, government sanctioned activities are in place to protect.
Andreyy893 years ago
4 0

Answer:

False

Explanation:

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The duct system atop each testis where sperm mature is the __________.
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Which of the following molecules stores a cell's hereditary information?
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3 years ago
What is the probability that the first offspring from the cross listed below will be heterozygous for all loci?
Tanya [424]

Answer and Explanation:

<u>Cross:</u> aa Bb dd Ee x AA bb Dd Ee

We can calculate the probability of getting heterozygous individuals in the progeny by using the <u>product rule</u>. Assuming that these four genes <u>assort independently</u> (<em>events that occur independently from each other</em>), we can infer that the F1 will have the next genotypic proportions for each gene:

1) aa     x     AA

F1) 4/4=1 Aa

2) Bb    x    bb

F1) ½ bb

     ½ Bb

3) dd    x    Dd

F1) ½ dd

     ½ Dd

4) Ee    x    Ee

F1) ¼ EE

    2/4 = ½ Ee

     ¼ ee

So, to know what the probability is that the F1 of being heterozygous for all loci, we must multiply the respective individual probabilities of getting a heterozygous genotype, like this:  

1 Aa   x   ½ Bb   x    ½ Dd    x    ½ Ee = 1/8 AaBbDdEe

                                 

6 0
3 years ago
Apart from muscles contracting, what other types of activities has your body done in the past 24 hours that require energy? Comp
Novay_Z [31]

Answer:

Digestion, excretion and transportation of substances.

Explanation:

Chemical reactions such as breakdown of food, cleaning of blood and absorption of nutrients and digestion are the activities that our body done with the use of energy. Digestion of food needs energy for the breakdown of food with the help of several enzymes. Transportation of waste materials and other substances also needs energy. Our cells absorb nutrients with the help of energy molecules through active transport.

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True Or False?
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it would be true by it causes the earth to heat up or cool down so your answer is true

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3 years ago
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