Characteristics And Classification Of Living Organisms

Question 1

What does RINGER stand for?

Answer 1

Respiration
Irritability (sensitivity +includes movement)
Nutrition (the taking in of nutrients)
Growth
Excretion
Reproduction

Question 2

Why is classification important?

Answer 2

Conservation- the management of breeding in certain species

Understanding evolutionary relationships- discovering shared features in differently classes organisms.

Question 3

How is a dichotomous key used?

Answer 3

There are a series of yes/ no questions and you answer each question relating to the organism in question, then eventually you will reach a specific species

Question 4

What are the five kingdoms?

Answer 4

Prokaryote
Protoctistans
Plants
Fungi
Animals

Question 5

What is the sequence of classification?

Answer 5

Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 6

How does DNA or protein structure help classification?

Answer 6

DNA- closely related organisms have similar genes/DNA structures
Protein Structure- closely related organisms have similar amino acid sequences in their proteins

Question 7

What is the controversy of viruses for classification?

Answer 7

Viruses do not complete all of the life processes, so they do not belong in any of the kingdoms. Some say they should be in a sixth kingdom.

Question 8

What is an autotroph?

Answer 8

An organism that manufactures its own food molecules from simple, inorganic sources eg. Plants

Question 9

What are the invertebrate groups?

Answer 9

Nematodes eg. Hookworms
Annelids eg. Earthworm
Molluscs eg. Snail

Question 10

What are the arthropod animals?

Answer 10

Crustacea eg. Crabs
Insects eg. Housefly
Myriapods eg. Centipede
Arachnids eg. Spiders

Question 11

What are the vertebrate groups?

Answer 11

Fish
Amphibians
Reptiles
Birds
Mammals