The local aquarium wants your help explaining to the public the importance of
sea otters in kelp forest ecosystems. Use illustra-
tions and words to make a sign that could be
placed in front of the sea otter exhibit. Explain
the concept of “keystone species” and describe
the role sea otters play in nature.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?

What are they five steps of cloning?