Answer:Texas cichlid (Herichthys cyanoguttatus)
Explanation:
Texas cichlid (Herichthys cyanoguttatus, ex. Cichlasoma cyanoguttatum) is a large, good looking and at that rather aggressive cichlid fish. In the wild it inhabits in rivers of Texas (for example, Rio Grande, due to which the fish got its name Rio Grande cichlid) and in North Mexico.
Question 1
Answer:
D- Different nucleotide combinations code for the same amino acid.
Explanation:
Some amino acid has more than one nucleotide combination coding for it.
Question 2
Answer:
B- Redundancy
Explanation:
Redundancy means that more than one codon is assigned for the coding of most amino acids.
Question 3
Answer:
0%
Explanation:
Since both parents are homozygous dominant and recessive respectively, no crossing can give the homozygous dominant as all offspring are heterozygous.
Question 4
Answer:
Homozygous.
Explanation:
The genotype 'dd' is homozygous since the two letters are both in the lower case.
Question 5
Answer:
25%
Question 6
Answer:
Dihybrid cross
letter D
Explanation:
The science club should use the results to conclude that an increase in temperature decreases the hatch rate of the eggs
Chemical weathering by carbonation
Explanation:
Chemical weathering by the process of carbonation will cause the inscription on a marble gravestone to become more difficult to read with time.
Chemical weathering is the decomposition and decay of rocks to form sediments and soil.
- Marble is metamorphic carbonate rock.
- It is derived from the metamorphism of limestone and dolomitic rocks.
- In the presence of weak carbonic acid, it becomes soluble
- Carbonic acid is formed when atmospheric carbon dioxide combines with rain water.
- The carbonic acid dissolves the marble and washes it away in solution.
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