Explain how the amount of available energy changes as energy moves up a food chain.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm