Lecture 3. Diversity of Life: Fungi, Lichens, Algae and Angiosperms

Question 1

What is a protist ?

Answer 1

A eukaryotic organism that is not an animal, plant or fungus that is usually unicellular

Question 2

What nutrition is a fungi ?

Answer 2

Heterotrophs

Question 3

What are the roles played by fungi ?

Answer 3

1. Decomposer
2. Mutualists
3. Parasites

Question 4

What is mutualism ?

Answer 4

Both organisms benefit

Question 5

Where did fungi evolve ?

Answer 5

Water

Question 6

What are some examples of parasites ?

Answer 6

1. Zombie ant
2. Ringworm
3. Honey fungus

Question 7

What is endosymbiosis ?

Answer 7

One organism lives inside the cell of another organism

Question 8

What are red algae ?

Answer 8

Mostly aquatic

Question 9

What are green algae ?

Answer 9

Terrestrial

Question 10

What are brown algae ?

Answer 10

Diatoms evolved from red algae

Question 11

What is half the oxygen on earth generated by ?

Answer 11

Algae through photosynthesis

Question 12

What is a lichen ?

Answer 12

A unicellular or filamentous green algae or cyanobacteria living among the filaments of a fungus

Question 13

What is a seed ?

Answer 13

An embryonic plant enclosed in a protective outer covering

Question 14

What are some characteristics of seeds ?

Answer 14

1. Seeds contain a tiny, embryonic plant, a source of energy to fuel initial growth and a protective coat
2. Suspended animation allows plants to persist during unfavourable periods
3. Seeds are easy to disperse, allowing dispersal of plants throughout the world
4. Can be very long lived and favourable