Question

15._________ of the oxygen production on earth comes from the ocean. *
1 point
20%
50%
80%
65%
16. _________ is a composite organism that emerges from algae or cyanobacteria living among the filaments of the fungi in a mutually beneficial symbiotic relationship. *
1 point
Lichen
Lycopodium
Marchantia
Selaginella
17. The base of the energy pyramid indicates the energy available within _________. *
1 point
primary consumers
primary producers
decomposers
secondary consumers
18. The apex predators will only receive ________ of the primary energy. *
1 point
0.1%
0.001%
0.01%
1%
19. Gymnosperms lack _____________. *
1 point
Seeds
roots
flowers
stems
20. Nitrogen is the main constituent of the atmosphere encompassing about ________ of the atmospheric gases. *
1 point
80%
68%
78%
50
21. ____________ are further divided into monocots and dicots. *
1 point
Pteridophyta
Gymnosperms
Bryophyta
Angiosperms​

Answer 1

Answer:

seeds is the answer pls follow and mark as brainliest