The correct option is
B Parasite
The correct answer is option B
The explanation for the correct option:
Option B:
- A parasite is an organism that lives on or in a host organism and gets its food and shelter from the host organism by causing them harm.
- Cuscuta plant is a leaf and rootless parasite.
- They do not have photosynthetic activity because they lack photosynthetic plants.
- they are considered a holoparasite (obtain all nutrients and water from a host plant ).
Explanations for the incorrect options:
Option A:
- Autotroph is the primary producer they produce their food from sunlight.
- All other organisms are dependent on them for food and energy.
- Example is a Green plant.
Option C:
- Saprotrophs take their food in solution form, from dead and decaying organic matters.
- They decay by releasing enzymes onto the dead animal or plant.
- These break down complex compounds into simple soluble compounds that can be absorbed by decomposers.
- Examples are fungi and bacteria.
Option D:
- A t host is a larger organism that provides shelter to a smaller organism in a symbiotic relationship and provides food and shelter in a parasitic relationship.
- The host can be humans, plants, or animals.
Final answer: Cuscuta is an example of a parasitic plant.