alleryStart learning →Nearly all food chains first get their energy from what?
APhotosynthesis
BPollination
CRespiration
DDigestion
Answer & Solution
Correct answer: A. Photosynthesis
Photosynthesis by land plants and algae is the ultimate source of energy in nearly all ecosystems.
Keep practising Plants
Browse all Plants questions for Olympiad (Class 5), or explore more Science topics.
Related questions
Which of these is a carnivorous plant?Chloroplasts came from a partnership between a cell and which organisms?Most flowering plants rely on what for pollination?Which kind of animals form the majority of pollinators?Which group of mammals includes some pollinators?A plant is pollinated by butterflies in dry weather and by rain splashes in wet weather. IA very dry pollen grain must do what before it can germinate?A seedling's roots are cut off. What can it no longer do well?