Living Organisms 2 Flashcards Preview

Human Biology Edexcel Unit 1:1 > Living Organisms 2 > Flashcards

Flashcards in Living Organisms 2 Deck (12)
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1
Q

Hypha

A

Single thread of fungal mycelium.

2
Q

Mycelium

A

A mass of hyphae that form the body of a fungus.

3
Q

Pathogen

A

A single-celled organism that causes disease in another living organism.

4
Q

Plasmid

A

Small circle of genetic material found in some bacteria.

5
Q

Saprotrophic nutrition

A

The digestion of food material outside the body.

6
Q

Protoctists

A

Unicellular organisms.

7
Q

Eukaryotic organisms

A

Mostly unicellular.

8
Q

Infective particles made of a protein coat surrounding nucleic acid. No true cell structure. Only reproduce inside a cell organism.

A

A virus

9
Q

Eukaryotic organism, feeds off living or dead organisms, circular chromosome, additional genetic material in plasmids.

A

Bacteria

10
Q

Decomposer

A

Organisms that feed off other living or dead organisms.

11
Q

Name two decomposers.

A

Fungi, bacteria

12
Q

Basic structure of a virus.

A

A protein coat surrounding a nucleic acid (DNA or RNA)