Mistletoe (Phoradendron spp.) infest many taxa of plants, often causing the branches of the host species to become swollen and distorted and making the trees more susceptible to insect infestations. This is an example of which symbiotic relationship?

When Nellie is suspended at rest by a pair of gymnastic rings, the upward support forces by the rings will always

A. each be equal to her weight. B. add up to more than her weight. C. each be half her weight. D. add up to equal her weight.

The majority of the world's opium is produced in

A) Mongolia B) Uzbekistan C) China D) Tajikistan E) Afghanistan

Calcareous oozes form much slower than siliceous oozes based on the rate their components dissolve

in seawater Indicate whether the statement is true or false.

Heat transferred laterally in the atmosphere by horizontal wind movements is a process called ________

A) compression B) reflection C) absorption D) advection E) transmission