The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
