#Question id: 8856
#Unit 9. Diversity of Life Forms
Which of these can be observed in the
mesohyl of various undisturbed sponges at one time or another?
1. amoebocytes
2. spicules
3. spongin
4. zygotes
5. choanocytes
#Question id: 24116
#General Aptitude
#Question id: 24145
#General Aptitude
#Question id: 4564
#Unit 11. Evolution and Behavior
Who would have proposed that the boundaries between each stratum mark the occurrence of different localized floods?
#Question id: 10234
#Unit 10. Ecological Principles
You observed the two species of barnacles, species 1 and species 2, occupy upper and lower strata of intertidal rocks, respectively. Only when species 1 was removed by you from the upper strata, species 2 could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.