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3 years ago

Which of the following is not one of the major principles of ecology?

2 answers:

4 0

D) Ecological systems often remain in balance if only one factor is altered.

Ecological system can affect one another regardless of how small or great the factor that was altered. This can have gradual and insidious effects on the ecosystem. Ecosystem is encompassing all the life on earth in the physical environment that supports it. An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself.

Vinil7 [7]3 years ago

4 0

Your answer would be D.

Hope this helps :)

have a nice day Ma'am/Sir

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When true breeding brown dogs are mated with certain true breeding white dogs, all of the F1 pups are white. The F2 progeny from

spayn [35]

Answer:

The results indicate that two independently assorting genes are involved (modified 9:3:3:1 ratio), with white blocking the expression of color by the other gene. The ratio of white : color pups is 3:1, indicating that the F.1 is heterogeneous (W/w). Among colored dogs, the ratio is 3 black : 1 brown, indicating that black is dominant to brown, and the F.1 is heterogeneous (B/b). The original brown dog is w/w ; b/b, and the original white dog is W/W ; B/B. The F.1 progeny are W/w ; B/b, and the F.2 progeny are: 12: 3: 1.

9 W/- ; B/-

3 W/- ; b/b

3 w/w ; B/-

1 w/w ; b/b

white

black

brown

7 0

4 years ago

A single codon is used to signal the beginning of protein synthesis. It is commonly called the START CODON. Locate the start cod

Artemon [7]

About the question:

You will find the chart in the attached files

Answer:

The strat codon is AUG

Explanation:

Genetic information for the aminoacids assembly during the protein synthesis is stored in short sequences of three nucleotides named codons in the mRNA. Each of the codons represents one of the 20 amino acids used to build the protein. The total number of possible codons is 64, from which 61 codify amino acids -more than one codon codify for the same amino acid-. One of these amino acids is also the start point of protein synthesis. And the left three codons are stopping translation points.

The codons indicating the initiation or stop points during the translation process are:

The start codon AUG is the most common sequence used by eukaryotic cells and places near the 5´extreme of the molecule. However, other codons might be used as well. Prokaryote cells might use the codons GUG or UUG.

The end codons are UAA, UAG, UGA.

4 0

3 years ago

Read 2 more answers

Imagine three new organisms that are in the same genus

Lady_Fox [76]

Robert Steve and James are three new organisms ( lizard species).

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3 years ago

Identify an example of a species that has been formed by polyploidy

emmainna [20.7K]

Hey :)

Polyploidy is less common in animals, but some fish, reptiles, and one mammal, the red vizcacha rat, are polyploidy. Polyploidy changes the genome of the new organism so much that it might no longer be able to mate with the original species, resulting in speciation, or the creation of two species from one

Hope this helps! :)

8 0

3 years ago

What is the genotype for white chickens

Pie

Explanation: The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.

6 0

3 years ago