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alisha [4.7K]
4 years ago
14

How can humans disrupt the state of dynamic equilibrium in an ecosystem?

Biology
2 answers:
Firdavs [7]4 years ago
5 0
Using pesticides to control weeds planting non-native flowers in their gardens damming rivers ( i believe )
Scrat [10]4 years ago
3 0

Answer:

There are many numerous activities of human which can disrupt the equilibrium of the ecosystem.

Some of them are:

  • Deforestation
  • Habitat destruction such as in the building of dams.
  • Use of excessive chemicals such as fertilizers, pesticides in agriculture. It may pollute soil as well as water.
  • Excessive pollution and use of fossil fuels.  
  • Global warming
  • Uncontrolled hunting of wild animals
  • Introduction of invasive or non-native species. For example, water hyacinth in India.
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Suppose that a portion of double-stranded DNA in the middle of a large gene is being transcribed by an RNA polymerase. As the po
babunello [35]

<u>Answer:</u>

CCGAGU

<u>Explanation:</u>

DNA transcription:

DNA transcription is the process through which DNA double helical strand is converted into single stranded RNA molecule.

During transcription two strands of DNA are named differently i.e Template strand and coding strand.

Template strand:

Strand from which RNA is producing is known as template strand while

Coding strand:

The strand which is opposite to the template strand is known as the coding strand. Coding strand is the DNA strand whose nucleotide sequence resembles to the RNA transcript base sequence except thymine which is replaced by uracil.

Correct Answer:

Template strand from 5' to 3' reads GGCTCA. and

In this question CCGAGT is coding strand.

RNA sequence is same as coding sequence except T which is replaced by U so sequence of RNA becomes

CCGAGU

8 0
3 years ago
In humans, polydactyly (more than 5 fingers and toes on each hand and foot), is inherited in an autosomal dominant manner. What
Masteriza [31]

Answer:

C. More than 5 fingers/toes on each hand/foot

Explanation:

According to the given information, polydactyly is an autosomal dominant trait which means that the phenotype would be expressed in both homozygous dominant and heterozygous dominant genotype.

The given genotype is heterozygous dominant. The individuals with heterozygous dominant genotype would exhibit the polydactyly and would have more than 5 fingers and toes on each hand and foot.

8 0
4 years ago
During the Devonian period of Gondwanaland what were the two organisms that thrived?
gulaghasi [49]

Answer:

about the Trilobites is =Trilobites ( /ˈtraɪləˌbaɪt, ˈtrɪ-, -loʊ-/;[4][5] meaning "three lobes") are a group of extinct marine artiopodan arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period (521 million years ago), and they flourished throughout the lower Paleozoic before slipping into a long decline, when, during the Devonian, all trilobite orders except the Proetida died out. The last extant trilobites finally disappeared in the mass extinction at the end of the Permian about 252 million years ago. Trilobites were among the most successful of all early animals, existing in oceans for almost 300 million years.[6] . and about the algae is =Algae (/ˈældʒi, ˈælɡi/; singular alga /ˈælɡə/) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular microalgae, such as Chlorella and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga which may grow up to 50 metres (160 ft) in length. Most are aquatic and autotrophic and lack many of the distinct cell and tissue types, such as stomata, xylem and phloem, which are found in land plants. The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the Charophyta, a division of green algae which includes, for example, Spirogyra and stoneworts.

Explanation:

5 0
3 years ago
Suggest how a person could change their diet in order to lower their salt intake​
Archy [21]

Answer:

Limit their fast food intake.

Explanation:

Fast food places have a lot of salt in their food because adding salt, which is a preservative, allows them to store the food supplies longer and save money.

4 0
3 years ago
The nurse is collecting data on a child with a 1-week-old cat scratch injury. While assessing the scratch the nurse notes rednes
Shalnov [3]

Answer:

Explanation:

1. the child should rest in bed  

6 0
3 years ago
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