Naturally occurring methods of recombining dna within a species to increase variation include all buta) meiosis. eliminateb) dna cloning.

c. crossing over.

d. translocation.

Which scientist developed the theory of catastrophism? a. baron georges cuvier b. carl linnaeus c. jean baptiste de lamarck d. thomas malthus

Agar is an important component of media because A. bacteria require agar to grow. B. agar inhibits mold growth. C. agar provides a solid surface for bacterial growth. D. agar prevents contamination.

Which vitamin deficiency can possibly lead to permanent blindness? A. vitamin A B. vitamin B6 C. vitamin C D. vitamin D

How do animal cells complete the cell cycle

Describe the specific dna changes that produce the abnormal sickle cell hemoglobin

Do you think it is possible to have the benefits of the agricultural & industrial revolution without the environmental costs?

Fungi fall under the Plantae kingdom. True False

Which of the following is a compound? A) Sn B) Mg C) H D) CO study island

3) Amphibians hatch out of their eggs with: A lungs and develop gills later. B lungs and keep them their whole lives. C gills and develop lungs later. D All of the above.

Who discovered what in photosynthesis?