Discuss how the world might be different without bacteria
What will be an ideal response?
The ecological role that bacteria play as decomposers; no more pathogenic bacteria so many infectious diseases would be eliminated; the role that bacteria play in many food-making processes; loss of outstanding laboratory specimens for all types of research, etc. The thoughtful student will discuss the ramifications on all life on Earth in much more detail.
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The _______ is the observable characteristics of an individual
A. character B. genotype C. phenotype D. dominant trait E. recessive trait
In regards to a species' life history, equilibrium species
A. have only a few offspring. B. are short lived. C. reproduce at an early age. D. have a large number of offspring. E. give very little care to their offspring.
The following characteristics all helped seedless plants become better adapted to land except
A) a dominant gametophyte. B) vascular tissue. C) a waxy cuticle. D) stomata on leaves. E) a branched sporophyte.
Evolution by genetic drift is most obvious in
A) migratory species. B) large populations. C) small populations. D) aquatic organisms. E) invertebrate species.