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

Every person has a mental map of the world around them. In a short paragraph, describe your mental map of your neighborhood by describing two locations that are

what percentage of americans believe the climate is changing

why is scarcity a fundamental problem in economics

A recipe for fruit salad includes 1/3 cup of grapes for 4 servings. How many grapes are needed for 30 servings of this fruit salad? Question options: 10 c 40 c

Use the matrix tool to solve the system of equations. Choose the correct ordered pair. 7x + 2y = 41 8x + 8y = 64

can someone help me with this

Describe the sound produced by an instrument of length L that is open at one end. Include pitch, frequency, timbre, nodes and antibodies

The table shows x-values and y-values for a number pattern. Which of the following statements below is true?

Amy has 27 pounds of raisins. She divides the raisins equally into 12 bags. How many pounds of raisins are in each bag? Tell how many zeros you had to write at

please help with this angle work