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Zielflug [23.3K]
2 years ago
14

TRUE or FALSE. Write T on the blank if the statement about Causes of Extinction is correct and write F if the statement is incor

rect
______________ 1. It happens when human end with the resources of a place faster than they reproduce.
______________ 2. When an animal is introduced in a different environment it can harm the rest of the species.
______________ 3. When we destroy the natural home of animals and the environment.
______________ 4. The gasses spread to the atmosphere and human waste damage the whole planet.
______________ 5. Some human hunt animals to get their bones, leather or meat.
______________ 6. Some species are not used to severe weather conditions or prolonged dry or wet seasons.
______________ 7. It is hypothesized that being exposed to too much to it can mutate gene, which can potentially weaken a specie gene pool in the future.
______________ 8. Its chemical substances can alter the chemical composition of the soil and water making them unsuitable for some life forms.
______________ 9. With the changing climate and landscape certain species are losing their ability to fend off disease.
______________ 10. Habitat loss and degradation which is any thinning, fragmentation, or destruction of an existing natural habitat – reduces or eliminates the food resources and living space for most species.
Biology
1 answer:
Monica [59]2 years ago
4 0

Answer:

1. True

2. True

3. False

4. False

5. True

6. True

7. True

8. False

9. True

10. True

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The allele for tay-sachs is a recessive allele that causes death in early childhood. The tay-sachs' prgram has enabled Tim McGra
Snezhnost [94]

Answer:

There are no chances for this couple to have a child with Tay-Sachs disease. 0% of the possibilities.

Explanation:

Tay-Sachs disease affects the nervous system and is potentially mortal. It is transmitted from parents to progeny. Tay-Sachs is caused by a defective gene in the 15 chromosome.

The child that recesives two coppies of this defective gene, one from the mother and one from the father, results sick. <u>But if only one of the parents transmits the gene, then the child will be a carrier.</u> This child won't be sick but will transmit the gene to his/her own progeny.  

<u>Available data</u>:

  • The allele for tay-sachs is a recessive allele, "t"
  • Tim McGraw to determine is a carrier, Tt
  • Tim´s wife is not a carrier, TT

<u>Cross:</u>

Parental) TT     x     Tt

Gametes) T   T      T   t

Punnet square)   T         T

                     T   TT     TT

                      t    Tt      Tt

F1) Progeny genotype: 2/4= 1/2 normal, TT

                                      2/4= 1/2 Carrier, Tt

                                       0/4= 0 Sick, tt

What are the chances they could have a child with Tay-Sachs?

There are 0% of the possibilities that this family will get a sick child.

5 0
3 years ago
Read 2 more answers
Given that polyurethane is a huge polymer (mw &gt;&gt;?????????,????????? daltons), why is it important that the polyurethanase
Viefleur [7K]

Polyurethanase is an enzyme emitted by the microorganism so as to break polyurethane. Since the polymer is a significant wellspring of energy for the life form, it should be separated all together for etpum"s development.

Further details

Polyurethane

It is a polymer made out of organic units and carbamate links join them. While most polyurethanes are thermosetting polymers that don't liquefy when warmed, thermoplastic polyurethanes are likewise accessible. Polyurethanes are available in numerous parts of present-day life. They present a class of polymers that have discovered a far-reaching use in the medical and mechanical fields. Polyurethanes can be found in items such as furniture, coatings, cement, constructional materials, paints, elastomers, filaments and paddings. Polyurethane ought to be curtailed to PUR in consistence with authority German and International benchmarks.

Polyurethanase

It can be defined as such an enzyme which is secreted by microbes and used for the breakdown of polyurethane. In this breakdown process energy is released that is utilized by microorganisms.

Bio-degradation of Polyurethane

In spite of their microbial obstruction, polyurethane is attacked by microscopic organisms however the component to explain its bio-degradation is unknown. There are reports from microscopic organisms and parasites that are equipped for the breakdown of polyurethane yet the examinations about the proteins that assault the plastic are centered around bacterial compounds as it were. The enzyme is of sort esterase and protease for the most part since these chemicals are unspecific and can perceive a few regions in the polyurethane particle and hydrolyze it.

Answer details

Subject: Biology

Level: College

Keywords

  • Polyurethane
  • Polyurethanase
  • Bio-degradation of Polyurethane

Learn more to evaluate

brainly.com/question/10560288

brainly.com/question/12603071

5 0
3 years ago
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Nuts are a good source of vitamin E. <br> a. True<br> b. False
mixer [17]
Nuts indeed are a good source of vitamin E. This is true. However, when talking about nuts we have to consider that not all nuts have the same nutritional information nor do all of them have plenty of vitamin E. While we can say this for most, it is necessary to be wary of making such statements. 
7 0
3 years ago
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Please answer it please ​
Alex777 [14]

Answer:

7-d

8-b

9-?

10-b

11-c

12-?

13-b

Explanation:

3 0
2 years ago
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Where were fossils found in the mississippian time period
jekas [21]

Answer:

Mississippian fossils are abundant in portions of the Midwest and South and include vast beds of limestone and marble.

Explanation:

For example, the domed ceiling of the Jefferson Memorial in Washington, D.C., is made of Indiana limestone that was deposited during the Mississippian Period.By the end of the Carboniferous, reptiles had migrated well toward the interior of Pangea. These early pioneers went on to spawn the archosaurs, pelycosaurs, and therapsids of the ensuing Permian period. (It was the archosaurs that went on to spawn the first dinosaurs nearly a hundred million years later.)

6 0
3 years ago
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