During the ____ period, life first appeared on land, but it was not until the ____ period that animals first appeared on land.
What will be an ideal response?
Ordovician, Devonian
You might also like to view...
Because so few bacteria can be grown easily in culture, but all of them contain DNA, molecular techniques like PCR and SSU rRNA are used to be able to identify and quantify microorganisms as a "census" for diversity.
Answer the following statement true (T) or false (F)
How could you use 14C to deduce the overall reaction of photosynthesis?
What will be an ideal response?
In a moment-of-truth defense, a prey species ________
a. remains absolutely still and hopefully undetected b. makes a last chance effort to avoid imminent capture and death c. assumes the appearance of a toxic or unpalatable organism d. lives in close association with another species that provides some form of protection
Compare and contrast archaea and bacteria, with particular attention to the features that lead to their placement in separate taxa
What will be an ideal response?