A snail-like, coiled, porous test (shell) of calcium carbonate is characteristic of which group?

#Question id: 4830

#Unit 8. Inheritance Biology

Blue flower is dominant over white flower and long pollen is dominant over short pollen. A pure line plant with Blue flower and long pollen was cross with white flower and short pollen. F1 plant was allowed to test cross to produced numerous Offspring in following number

Blue flower and long pollen            2000

Blue flower and short pollen             500

White flower and long pollen            500    

White flower and short pollen         2000

What is approximate distance between Flower color gene and pollen length gene?

#Question id: 3448

#Unit 11. Evolution and Behavior

Which scientist devised a rule that predicts when natural selection should favor altruism?

#Question id: 10370

#Unit 6. System Physiology – Plant

Rhizobial genes that participate in nodule formation are called nodulation (nod) genes. Only one of the nod genes, the regulatory and constitutively expressed and regulates the transcription of the other nod genes;

#Question id: 12316

#Unit 10. Ecological Principles

#Question id: 19377

#Unit 12. Applied Biology