This diagram shows a food chain in a swedish lake. the mountain shrimp at the bottom are eaten by the bleak above them, the bleak are eaten by the perch above them, the perch are eaten by the northern pike above them, and the northern pike are eaten by the osprey. which of these would cause the greatest reduction in the number of fish in the lake available for human consumption? a) elimination of the bleak b) elimination of the osprey c) elimination of the northern pike d) elimination of the mountain shrimp

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

How does human environment effect the biosphere

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.