What kind of questions do biologists attempt to answer?
a. questions about the meaning of existence
b. questions about the value of science
c. questions about the solar system
d. questions about the living world

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

Look at the photo of the leaf, which term best describes this leaf ? a-simple. b-parallel. c-lobed. d-tooth.

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.