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

What is the function of the nerve cell and the sperm cell?

The cause of resistance to the flow of charge within an electrical wire is?. a) mobile charge carriers collide with atoms of the resistor. b) mobile charge carr

Which shows solutions to x + 3y = 7 if x and y must be whole numbers. A. {(0, 5), (1, 3), (2, 1)} B. {(2, 1), (1, 4), (0, 7)} C. {(1, 2), (4, 1), (7, 0

I'm really struggling, please help! Use the net to find the lateral area of the prism.

AFTER THE REvolution, the practice of enslaving african american was

What are some aspects of the modern American political party system that began during the Jackson era?. . . beginnings of political action committees and fundra

One half of the distance between the nuclei of two atoms bonded together by a single bond is known as

if x/2y=3 then what is the value of x^2-36y^2

The number of roses (r) in a garden increases when the number of weeds (w) decreases. Write the correct equation for this scenario and solve for the number of r

Suppose a parabola has an axis of symmetry at x = –7, a maximum height of 4, and also passes through the point (–6, 0). Write the equation of the parabola in ve