Unusual Plants By Chan Weilun Carnivorous Plants derive
Unusual Plants - By Chan Weilun -
Carnivorous Plants • derive some or most of their nutrients (but not energy) from trapping and consuming animals, typically insects and other arthropods. • adapted to grow in places with high light where the soil is thin or poor in nutrients, especially nitrogen, such as acidic bogs and rock outcroppings.
Trapping mechanisms • Pitfall traps (pitcher plants) trap prey in a rolled leaf that contains a pool of digestive enzymes or bacteria.
Trapping mechanisms • Flypaper traps use a sticky mucilage. • Snap traps utilize rapid leaf movements. • Bladder traps suck in prey with a bladder that generates an internal vacuum. • Lobster-pots, also known as eel traps, force prey to move towards a digestive organ with inward-pointing hairs.
Snap Traps • Are the Venus flytrap (Dionaea muscipula) and the waterwheel plant(Aldrovanda vesiculosa) had a common ancestor with the snap trap adaptation, which had evolved from an ancestral lineage that utilized flypaper traps.
Snap Traps (Cont’d) • Their trapping mechanism has also been described as a "mouse trap", "bear trap" or "man trap", based on their shape and rapid movement. However, the term snap trap is preferred as other designations are misleading, particularly with respect to the intended prey. Aldrovanda is aquatic and specialised in catching small invertebrates; Dionaea is terrestrial and catches a variety of arthropods, including spiders.
Unusual Plants
Unusual Plants
Unusual Plants
THANK YOU For watching my science project. By Chan Weilun
- Slides: 11