Classification

Question 1

Define the 7 characteristics of living things

Answer 1

Movement - all living things move though it may be slow and difficult to see
Respiration - this is the release of energy from food substances in all living cells
Sensitivity - all living things can sense and respond to stimuli such as light, temperature and gravity
Growth - this is the permanent increase in cell number
Reproduction - being able to produce offspring
Excretion - being able to get rid of waste products
Nutrition - take in minerals from their surroundings and use for growth or to provide energy

Question 2

Define taxonomy

Answer 2

System of classification

Question 3

Define binomial nomenclature

Answer 3

Naming of species using 2 words - the first beginning with a capital letter and know as genus (of the organism) and the second word with a lowercase letter and defines the species of the organism

Question 4

Define dichotomous key

Answer 4

Method used to identify a species by answering a series of questions based on contrasting features
“Dichotomous” means divided into 2 parts, hence the dichotomous keys always present two choices based on the key characteristics of the organism in each step.

Question 5

Who designed the system of classifying organisms based on their physical and structural similarities?

Answer 5

Linnaeus

Question 6

Who developed the first system of classification?

Answer 6

Aristotle

Question 7

What are the 7 taxons of classification?

Answer 7

1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus
7. Species