#Question id: 19360
#Unit 13. Methods in Biology
#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.
#Question id: 3518
#Unit 8. Inheritance Biology
Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?
#Question id: 12005
#Unit 10. Ecological Principles
#Question id: 11954
#Unit 7. System Physiology – Animal
Folic acid supplements have become especially important for pregnant women because ________.