hisbabygirl8215 hisbabygirl8215

03-12-2016
Biology

contestada

how can the fish eating bird have 5 ppm of ddt when the water only started with 0.003ppmm of ddt

Respuesta :

03-12-2016

The birds have more ppm of DDT due to biomagnification. The fish living in the water intake DDT. Birds eat these fish and intake DDT as well. The concentration of DDT in organisms increases as it moves up the food chain.

Answer Link

Otras preguntas

3. Part A What is the main conflict in this selection? A. Manuel vs. his brother B. Manuel vs. his mother C. Manuel vs. Mr. Cutty D. Manuel vs. himself

What is 'symbiosis' ?

PLEASEEEEEEEEEE I NEEEEEEDDDDD HEEEEEELPPP!!!! :(

A rectangular parking lot is 120 feet long and 75 feet wide.Lin made a scale drawing of the parking lot at a scale of 1 inch to 15 feet. The drawing she produce

Which of the following was not a cause of the Renaissance? Group of answer choices A. The creation of the Holy Roman Empire B. The discovery of ancient Roman an

a substance that cannot be separated into simpler substances by physical or chemical means is a (n)

The US Constitution created checks and balances by establishing . The primary power of the judicial branch over others is to .

6. How are the electrons arranged in an oxygen atom?

What is 15% out of 55????

1. You should ____________ information about a custom or tradition. A. Finds B. found C. finding D. find