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

Find the lowest common multiple of 180 and 140.

please help me! im having trouble

Earth's 3 principal layers that are divided into: A. Crust, Upper Mantle, Lower Mantle, Liquid Outer Core, and Solid Inner Care B. Crust, Upper Mantle, Corona,

How many odd numbers greater than 60000 can be formed, using numbers 2,3,4,5 and 6 if each digit is used only once in each number?

In ΔVWX, the measure of ∠X=90°, XW = 20, WV = 29, and VX = 21. What ratio represents the cosine of ∠W?

A triangle ABC is right angled at A, AL is perpendicular to BC. Prove that angle BAL= angle BCA.

function of RBC,WBC,platelets

Difficulties faced by people as they expanded their countries prior to the advent of modern technology.

Arrange the numbers as they appear from left to right on a horizontal number line. 2.85 -1.58 -2.5 -1.85 -2.57 -2.76 2.5

I need help answering this question.