Diversity in Living Organisms (Worksheet)
1. _____________ is the division of organisms on the basis of characteristics into groups and sub-groups. It helps us in exploring the diversity of life forms.
2. A ___________ which forms the basis of classification, may be a particular form or function.
3. _____________, in 1969 proposed ‘Five kingdoms classification’ of living organisms.
4. In 5 kingdoms classification, the hierarchy can be represented as ___________ sub grouping into _______ for animals or _________ for plants.
5. The basic unit of classification is _______, which includes all the organisms that are similar to breed and produce fertile offspring.
6. Plants are divided into _______ groups (divisions).
7. Algae, diatoms and protozoans belong to __________ kingdom.
8. Plant kingdom into two sub-kingdoms - ___________ and Phanerogamae.
9. The simplest of plants that do not have a well-differentiated body design belong to _______ division.
10. Mushrooms, Rhizopus, bread mould are examples of organisms that belong to ________ kingdom.
11. _________ are multicellular animals that exhibit minimal level of tissue organization. E.g. Sycon, Spongilla etc.
12. ___________ are often called amphibians of the plant kingdom.
13. Phanerogams are further classified into ___________ and ____________.
14. Corals, Hydra, sea anemone belong to __________ phylum.
15. _____________ are triploblastic with true coelomic cavity and spiny skinned organisms.
16. ___________ are the most advanced group of animals with dorsal nerve chord and strong endoskeleton.
Answers:
1: Classification
2: characteristic
3: Robert Whittaker
4: Kingdom, Phylum (or Phyla), Division(s)
5: species
6: five
7: Protista
8: Cryptogamae
9: Thallophyta
10: Fungi
11: Porifera
12: Bryophyta
13: Gymnosperms, Angiosperms
14: Coelenterata
15: Echinodermata
16: Vertebrata
