Diversity Quiz 1 Answers - 1. Cyanobacteria had a notable...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. Cyanobacteria had a notable influence on their environment because: a) they were able to use H 2 S from thermal vents to produce energy b) they had the metabolic capacity to consume oxygen from a super-saturated atmosphere c) they developed a photosystem that could oxidize H 2 O, creating an oxygenic environment in which diverse lifeforms evolved d) they diverged from bacteria 4 million years ago 2. Microbiologists encounter challenges in quantifying prokaryotic diversity because: a) bacteria have few morphological features b) there are horizontal transfers of genetic material c) it is not possible to culture most species in the laboratory d) all of the above 3. Which of the following best describes the metabolic systems of microbes? a) no prokaryotes can perform photosynthesis, only eukaryotic plants b) different types of bacteria harness energy through a variety of redox reactions, including autotrophy, chemotrophy (i.e. oxidation of inorganic compounds), and acquisition of energy-rich organic molecules (i.e.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Diversity Quiz 1 Answers - 1. Cyanobacteria had a notable...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online