☰ Contents · Natural science

Studying the classification of plants and animals

Lessons 19–20 · 2 lessons · K. T. Suyarov, Z. B. Sangirova, M. T. Umaraliyeva, S. G‘. Xasanova, M. K. Yuldasheva, D. T. Hasanova. Natural Science, Grade 6 (new edition). Republican Education Centre, 2022
20

Practical: Studying animal classification

Textbook, pp. 45–46
GoalArrange the main ranks of animal classification in order and work out an animal’s place in classification.
New words
taxonomic unit (rank) · taksonomik birlikphylum · tipclass · sinforder · turkum
Explanation

In animal classification the taxonomic units from largest to smallest are: kingdom, phylum, class, order, family, genus, species. In a large unit animals share few features; in a small unit they share many. Vertebrates (phylum Chordata) are divided into five classes: fish, amphibians, reptiles, birds and mammals. To find an animal’s place we decide which phylum it belongs to, then class, order and so on. For example the Amu Darya trout: animal kingdom, phylum chordates, class ray-finned fish, order salmon-like fish, family salmon family, genus salmon (losos), species Amu Darya trout. Classification helps us understand the diversity of animals.

Worked examples
Brown bear: animal kingdom → chordates → mammals → carnivores → bears (family) → bear genus → brown bear. The mink, otter and badger belong to the mammal class, carnivore order, mustelid family: they are alike but are different species.
Putting in order: family, species, phylum, genus, kingdom, class, order → kingdom, phylum, class, order, family, genus, species.
Class activity

Practical work: work with pictures of mammals (cat, wolf, horse, bat, dolphin). For each, write phylum and class and then order in a table, and list similarities and differences (body covering, habitat, feeding). Safety: use only pictures and cards; if you touch a pet, wash hands with soap; do not approach wild animals.

Practice
1
List the ranks of animal classification from the largest to the smallest.
2
Which classes belong to the chordates? Name three.
3
Give the phylum, class and order of a cat.
4
Which two animals are more alike: those of the same genus or of the same class? Why?