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givi [52]
3 years ago
5

A fish tank is a type of human-made ecosystem. Which of the following lists only abiotic factors found in a fish tank ecosystem?

Biology
2 answers:
Zielflug [23.3K]3 years ago
7 0
The answer is D water,oxygen,constant temperature
aalyn [17]3 years ago
5 0

D. Water, Oxygen, Constant temperature

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Amanda [17]

Answer:

A climax community

Explanation:

A climax community is a relatively stable community in which the component species are in equilibrium with one another.

Ecological succession involves a gradual change of the species composition structure of a community over a period of time.

<em>Depending on the initial state of a community, the species composition keeps changing from pioneer species of a completely new habitat in primary succession through secondary succession and, in the absence of disturbance, to a stable community which is referred to as a climax community.</em>

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3 years ago
Which biological molecule contains a large amount of the element nitrogen? A) carbohydrates B) lipids C) proteins D) starches
Jlenok [28]
The correct option is C, PROTEINS.
Protein are macro molecules which are made up of units called amino acids. There are twenty different amino acids, each with a unique R group. The elements find in protein include carbon, oxygen, nitrogen, etc. Nitrogen is one of the most important constituent of proteins. <span />
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3 years ago
Which of the domains include
grin007 [14]

Answer:

Domain Bacteria.

Explanation:

=)

7 0
3 years ago
During transcription the DNA base sequence is transcribed into a complementary mRNA sequence. A codon table like the one shown b
DIA [1.3K]

Answer: Option B) No, even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur.

Explanation:

Since the triplet codon ACG codes for the amino acid threonine, so also ACA codes for threonine, the single base change of Guanine (in ACG) to Adenine (ACA) is insignificant due to the degeneracy of the genetic code.

Thus, the sequence still codes for the same amino acid, so no change in phenotype will occur

4 0
3 years ago
A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each
hoa [83]
1.Nucleic acids:Stores and transfers info
2.Carbohydrates:Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall
3.Lipid:Insulator and stores fat and energy
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