Physics
In an aquatic ecosystem, …………… act as producers:
- small fishes
- plants
- krill
- large fishes
Answer
plants
Reason — Plants are the primary producers in aquatic ecosystems. They convert sunlight and nutrients into energy through photosynthesis, serving as the foundation of the food chain. Other organisms, such as small fishes, krill, and large fishes, typically act as consumers rather than producers in the aquatic ecosystem.
Related Questions
The place of human being in food chain in an ecosystem is as:
- producer
- consumer
- decomposer
- both (a) & (b)
Secondary consumers are :
- Herbivores
- Carnivores
- Krill
- All of the above
First law of thermodynamics is also known as the law of:
- conservation of mass
- conservation of energy
- conservation of force
- conservation of momentum
Choose the correct statement(s):
A. According to the first law of thermodynamics, when energy is put to work, a part of it is always converted to non-useful form such as heat, mainly due to friction and radiation.
B. According to the second law of thermodynamics, energy can be transformed from one form to another, but it can neither be created nor destroyed.
- Both (A) and (B)
- only (B)
- only (A)
- None of these