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yan [13]
3 years ago
11

DDT is an insecticide that accumulates in the fatty tissues of animals whose concentration increases with each link of the food

chain. Which group of organisms is most likely to accumulate the highest concentration of DDT?
Biology
1 answer:
Kitty [74]3 years ago
3 0

The question is incomplete, the complete question is shown in the image attached

Answer:

D

Explanation:

Pollutants tend to an increase in concentration in the fatty tissues of animals compared to the concentration of the same pollutant in the environment.

Also, tend to increase in the fatty tissues of organisms at each trophic level.

Hence, as a result of this, the highest concentration of the insecticide is accumulated by the organisms at the highest level of the food chain. So, the tertiary consumers accumulate the highest concentration of the insecticide.

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TRUE OR FALSE?
Harrizon [31]
<h2>Answer:</h2>

I believe the correct answer is FALSE.

<h2>Explanation:</h2>

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<h2>Further Explanation:</h2><h3>Innate Immunity:</h3>

This is the first line of defence and involves only cells. It lasts for a short period usually around 12 hours. It includes physical barries. The cells involved are: epithelial cells, dendritic cells, plasma proteins and natural killer cells. All the cells involved are macrocytes. It functions to recognize and attack the pathogen before the second type of immunity called adaptive immunity sets in. It usually is also non specific and responds generally to any pathogen.

<h3>Adaptive Immunity:</h3>

It is a much more longer lasting type of immunities and has memory. It has a combination of cells and humoral components. It involves Naive B cells which are triggered to release antibodies known as Immunoglobulins depending on the cause of the trigger. Immunoglobulins include IgG, IgM, IgA, IgG  and IgD and are usually Y-shaped. Additionally, it involves Naive  T cells that are activated into Effector T-cells to assist in fighting the pathogen. This type of immunity is more focused and specific antibodies are released for specific infections/pathogens. It lasts up to 5 days or longer depending on the pathogen. It also takes time to mount up and produce a response.

Level: High School

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I believe the answer is 20, sorry if it’s wrong :(
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Help Pls!
Morgarella [4.7K]

Answer:

please explain the question

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