Across
- 2. which pattern of energy exchange in an ecosystem is called
- 5. which species of plant in which the seeds are naked
- 10. what between the producers,consumers and decomposers in the definite sequence is known as the food chain
- 13. this is released in the atmosphere through aboitic processes like burning of fuel
- 14. what is the conversion of ammonia into a nitrate and the nitrate is then called as
- 16. who proposed the five kingdom classification
- 18. evergreen and woody plants
- 19. these is known as the producers
- 20. which type of seeds have two cotyledons
Down
- 1. who proposed the concept of ecological pyramid Omnivores 3rd trophic level
- 3. these plants mainly grow in water
- 4. leaves that show reticulate venation
- 6. what is the most important source of energy in all types of ecosystems
- 7. what is a gaseous cycle
- 8. bryophytes have root like structure called
- 9. find the odd one from corn,rice,wheat,groundnut
- 11. example of pteridophyta
- 12. it is a abphibian and a secondary consumer
- 15. example of monocotyledonous plants
- 17. the flowers are the reproductive organs in this type of plants