Which cell junction allows electrical stimulus to pass from cell to cell?

What is the size range of a eukaryotic cell

A graphic that shows the number of organisms in each trophic level of the ecosystem is called a (n) A.) population pyramid B.) population graph C.) number pyramid D.) number graph

Pollution can be caused by natural processes. true or false.

Which part of a seed grows into a root and which plant part acts as a protective covering for a seed during seed dormancy? The part of a seed grows into a root and the acts as a protective covering for a seed during seed dormancy.

The difference between mitosis and meiosis

In wild, tigers eat all parts of their prey. Including bones. In zoos they develop bone problems when they are fed only flesh? Why?

Tissues and organs worksheet answers describe the basic components of a tissue

what is it called when a scientists personal opinion affects the way experimental results are reported A. bias B. curiousity C. inductive reasoning D. deductive reasoning

Which trophic level does a fish represent in food chain? Algae-> mosquito larva->dragonfly larve-> fish-> man A Tertiary B Secondary C Detritus

Which process produces a greater number of offspring?