Which species represent an early stage in primary succession?

a. pine trees
b. moss and lichens on bare rock
c. weedy annual plants in an open field
d. ferns
e. deciduous trees


b

Biology & Microbiology

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The diversity of terrestrial vascular plants has increased almost continuously since the ____ period

a. Devonian b. Ordovician c. Cambrian d. Silurian e. Proterozoic

Biology & Microbiology

Match the reactant in gluconeogenesis on the left with the appropriate enzyme on the right

A) fructose-1,6-bisphosphatase B) phosphoglyceromutase C) pyruvate kinase D) oxaloacetate kinase E) hexokinase F) glucose-6-phosphatase G) aldolase H) pyruvate carboxylase I) phosphoenolpyruvate carboxykinase 1) pyruvate 2) oxaloacetate 3) fructose-1,6-bisphosphate 4) glucose-6-phosphate 5) 2-phosphoglycerate

Biology & Microbiology

The light reactions use ATP as the energy source.

a. true b. false

Biology & Microbiology

Some populations, especially those with high genetic variability and short life spans, may avoid extinction as the climate changes through

A) biological magnification. B) bioprospecting. C) distribution of populations. D) evolutionary adaptation.

Biology & Microbiology