The salmon is a key player in the food web whose removal may cause an imbalance in the whole ecosystem.
<h3>What is a food web?</h3>
A food web is a graphical diagram representing all connections between organisms in a given ecosystem.
Salmon represent the food for different types of animals in a food web, thereby their removal may cause serious harm to the balance of the ecosystem.
Salmon fish is a tertiary consumer because they eat herring which in turn eat zooplankton that eats phytoplankton.
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A community means a group of various <em>different types of species</em> living together in a common location.
A population refers to a group of organisms of the <em>same species</em> living together in a location.
Therefore, <em>the statement communities only contain one population of organisms</em>, is False.
Answer:
By forming chromatin and in the condensed form of chromosomes
Explanation:
The human genome contains around 3 billion base pairs which are located in the nucleus of all cells. In order to accomodate such large genomic information, DNA is maximally supercoiled during mitosis and meiosis processes to form condensed structures called chromosomes. Humans have 23 pairs of chromosomes per somatic cell. The supercoiling process is assisted by a family of proteins called histones, which interact with DNA and regulate its conformation. The complex between DNA and histones within the nucleus is called chromatin. When chromatin is supercoiled it form chromosomes (in eukaryotic cells).
Heterotrophic bacteria can't create their own food,but it can obtain energy from carbohydrates and other organic materials
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
<h3>What is psaB gene?</h3>
P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1, and FX, are bound by PsaA and PsaB.
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
Thus, the plant with the mutated psaB gene was dying.
For more details regarding plant mutation, visit:
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