Lecture 2 terms Flashcards Preview

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Flashcards in Lecture 2 terms Deck (16)
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1
Q

Microorganism

A

organism you can only see with a microscope

2
Q

Eukaryotes

A

Algae, fungi and Protists (cells with nuclei)

3
Q

Bacteria (prokaryotes)

A

18 kingdoms (at least)

4
Q

Archaea

A

4 kingdoms

5
Q

Viruses

A

non cellular (without a host)

6
Q

Zacharias Janssen

A

Dutch spectacle; first compound microscope 1594. 3-9x magnification

7
Q

Robert Hooke

A

Englishman, first described cells and coined “cells”. Also first described microbes and fungi/mould. 30x magnification

8
Q

Anton van Leeuwenhoek

A

Dutch tradesman, first described microorganisms “animalcules”. 200x mag

9
Q

Universal Ancestor

A

Microorganisms are the most ancient form of known life

10
Q

Oldest fossils

A

3.5 billion years old bacteria; resembles modern cyanobacteria

11
Q

Stromatolites

A

Oxygenated ancient earth via photosynthesis. Coral like. 2.8 - 1 billion years ago

12
Q

Endosymbiosis

A

Merging of bacteria in eukaryotic cells. 1.5 billion years ago

13
Q

Tree of Life

A

Describes/illustrates the evolution of microorganisms from the Universal Ancestors (prokaryotic)

14
Q

Chytrids (protists)

A

Fungi like single celled eukaryotic ancestor of fungi

15
Q

Choanoflagellates

A

Single celled eukaryotic ancestor of animals

16
Q

Chlorophytes (green algae

A

Single celled photosynthetic eukaryotic ancestor of plants