What is a possible cause for a decrease in ecosystem productivity? a. an increase in the biodiversity of the ecosystem b. a decrease of the biodiversity of an ecosystem c. the biodiversity of an ecosystem experiencing no change d. an ecosystem becoming more stable Please select the best answer from the choices provided A B C D

Kuhl found that babys brains are most open to learning the consonants in their native language at what age? and vowels at what age?

Give an example of the type and scale of economic activity for a traditional economy.

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same