Animals and plants cannot directly use all the nitrogen found in our

How do i predict the number of bubbles someone can get from pondweed with a lamp distance of 16cm

What is the second highest taxonomic classification between kingdom and class?

Oops! You were cleaning out the aquarium in the biology lab and you accidentally placed the salt water fish in the freshwater tank. What will happen to the cells of these fish

In humans, chemical digestion is accomplished by enzyme action that begins in the mouth and ends in the a. esophagus b. stomach c. small intestine d. gallbladder

What is the origin of each strand of the new double helices created after DNA replication?

Which statement does NOT correctly describe our sun? A. Our sun is an average sized star B. Our sun is a very old star C. Our sun has an average brightness D. Our sun is yellow-white

One scientist discovered a new theory on the evolution of stars. Why is it necessary for scientists all over the world to agree with the theory before it can be accepted?

Which u. s. states are most likely to oppose strict permit requirements under the Clean Air Act

In a text area below compare and contrast a cell membrane and a cell wall

Which is an advantage of sexual reproduction? a. two parents are required. b. only one parent is required. c. it leads to genetically diverse offspring. d. it leads to genetically identical offspring.