SECTION A CLASSIFICATION

Question 1

How can living organisms found in a named habitat be grouped based on observed similarities and differences?

Artificial Classification

Answer 1

Visible characteristics such as hairiness, colour, shape, presence or absence of antennae, venation, number of legs and wings and body segmentation of organs found in both plants and animals as appropriate.

Question 2

How can organisms be classified into taxonomic groups based on physical similarities?

Natural Classification

Answer 2

Kingdom Plantae
Kingdom Animalia
Protoctista 
Prokaryotae 
Fungi

Question 3

What are 3 examples of Protoctista?

Answer 3

algae, Amoeba, Paramecium

Question 4

What is one example of Prokaryotae? What are 4 characteristics of Prokaryotae?

Answer 4

bacteria - TB bacterium

1. Cells lack true nuclei so DNA is free in the cells.
2. Cells have cell wall.
3. Cells lack membrane-bound organelles like mitochondria.
4. Feed by absorbing food so lack chloroplasts.

Question 5

What is one example of Fungi?

Answer 5

mushrooms

yeast
mould

Question 6

How are Kingdoms further subdivided? How are species subdivided?

Answer 6

Dumb King Phillip Came Over For Good Spaghetti

Domain
Kingdom
Phylum (plural - Phyla)
Class
Order 
Family
Genus (plural - Genera)
Species

breed
races
varieties

Question 7

Can you classify a human?

Answer 7

As Caroline Vamps Mysteriously, People Hear Howl Sounds

Domain Eukarya - cells with nuclei
Kingdom Animalia - multicellular, heterotrophs
Phylum Chordata - backbone
Sub- Phylum Vertebrata
Class Mammalia - hair, warm-blooded, mammary glands
Order Primates - adapted to climb
Family Hominidae - bipedalism - adapted to walk erect
Genus Homo
Species Sapiens - body proportions of modern humans

Question 8

How does modern classification determine ancestry?

Answer 8

uses DNA sequences

Question 9

Which of the following features is used to classify a group of organisms as Class Insecta?

(a) Size
(b) Shape
(c) Colour
(d) Number of Segments

Answer 9

(d) Number of Segments

Question 10

Which of the following characteristics is used to distinguish insects from other Arthropods?

(a) Number of legs
(b) Hairiness
(c) Colour
(d) Shape

Answer 10

(a) number of legs

Question 11

Item 3 refers to the following list.
I. Number of legs
II. Body temperature
III. Shape of body
IV. Type of body covering

The dead remains of a previously unknown animal are found in a forest. Which of the features listed above could be used to classify the animal?

(a) I and II only
(b) III and IV only
(c) I, III and IV only
(d) II, III and IV only

Answer 11

(c) I, III and IV only