Variety of Life

Question 1

Animal

Answer 1

Multicellular organisms that have no cell walls, form zygotes after fertilisation and ingest their food.

Question 2

Bacteria

Answer 2

Single celled organisms that do not contain any membrane bound organelles and possess circular DNA in chromosomes and plasmids.

Question 3

Bacterial chromosome

Answer 3

The large loop of DNA found within bacterial cells.

Question 4

Capsule

Answer 4

An layer found outside the cell wall of in some bacterial species.

Question 5

Chitin

Answer 5

Chemical that makes up the cell wall of fungi.

Question 6

Control

Answer 6

The use of homeostasis to maintain constant conditions within an organism.

Question 7

Envelope

Answer 7

A membrane surrounding some viruses.

Question 8

Eukaryote

Answer 8

Cell that has a nucleus.

Question 9

Excretion

Answer 9

Removal of metabolic waste from the body.

Question 10

Flagellum

Answer 10

Tail-like structure allowing movement in bacteria and sperm.

Question 11

Fungi

Answer 11

Unicellular or multicellular organisms which possess chitin-containing cell walls, lack chlorophyll, store carbohydrate as glycogen and feed on organic material.

Question 12

Growth

Answer 12

Increase in size and mass by increasing in cell number and size.

Question 13

Hyphae

Answer 13

Fine thread like filaments produced by fungi.

Question 14

Microorganism

Answer 14

A very small organism which can only be seen with a microscope.

Question 15

Movement

Answer 15

An action by an organism or part of an organism causing a change of position or shape.

Question 16

Multicellular

Answer 16

An organism formed of multiple cells.

Question 17

Mycelium

Answer 17

The network of hyphae produced by some fungi.

Question 18

Nutrition

Answer 18

Acquisition of nutrients for energy and growth.

Question 19

Organ

Answer 19

A group of tissues that carry out a particular function.

Question 20

Pathgen

Answer 20

A microorganism which causes disease.

Question 21

Organ system

Answer 21

A group of different organs working together.

Question 22

Plant

Answer 22

Multicellular organisms who carry out photosynthesis and have cells with cellulose cell walls.

Question 23

Prokaryote

Answer 23

Cell that has no nucleus.

Question 24

Protein coat

Answer 24

A protein layer that surrounds the genetic material of a virus.

Question 25

Protoctist

Answer 25

Microscopic, single celled, organisms which have both plant-like and animal-like features.

Question 26

Reproduction

Answer 26

Production of offspring.

Question 27

Respiration

Answer 27

Release of energy from food.

Question 28

Ribosome

Answer 28

Small structure in cells where protein synthesis happens.

Question 29

Saprotrophic nutrition

Answer 29

Where digestion takes place outside of the organism e.g. in bacteria and fungi.

Question 30

Sensitivity

Answer 30

The ability to detect and respond to stimuli.

Question 31

Stem cell

Answer 31

A cell that is undifferentiated and could form any other type of cell.

Question 32

Tissue

Answer 32

A groups of cells with similar functions.

Question 33

Unicellular

Answer 33

An organism which consists of a single cell.

Question 34

Virus

Answer 34

Small, parasitic, particles which reproduce inside other living cells.