BIODIVERSITY AND CLASSIFICATION

Which statements are true about taxonomic hierarchy?

• The broadest taxon is phylum

• Order is a taxon within a class and it consists of several families

• Different organisms within a class are from the same family

• Different organisms within an order may belong to different classes

Three types of biodiversity with their explanation are given in the table below.

Which types of biodiversity’s correspond to their explanation?

refer choice 5 to answer.

• A

• B

• C

• D

• 

Which is the correct way of writing the scientific name of an organism when handwritten?

• Eurycoma longifolia

• Eurycoma longifolia

• Eurycoma longifolia

• Eurycoma longifolia

What classification level that groups vertebrate animals into mammals, amphibians, reptiles and aves?

• Species

• Genus

• Order

• Class

A group of organisms from different classes but similar characteristics and evolutionary path can be grouped into…

• order

• family

• phylum

• gene=us

Which is the correct order of taxonomic hierarchy for the rat?

• Kingdom ® Chordata ® Mammalia ® Rodentia ® Muroideae ® rattus ® Rattus

• Kingdom ® Mammalia ® Chordata ® Rodentia ® Muroideae ® Rattus ® rattus

• Kingdom ® Chordata ® Mammalia ® Rodentia ® Muroideae ® Rattus ® rattus

• Kingdom ® Chordata ® Mammalia ® Muroideae ® Rodentia ® Rattus ® rattus

In a Kingdom, organisms from which taxon have the highest level of similarity?

• phylum

• family

• class

• order

Organism X and Y are from the same order. Which of the following statements are TRUE?

• They are from the same class

• They are from the same family

• They may be from the same genus

• They may be from a different family

The following is the dichotomous key to identify some invertebrate groups.

A1 Radial symmetry……………..Cnidaria

A2 Bilateral symmetry…………..............B

B1 Segmented body…………………......C

B2 Non-segmented body……….Nematoda

C1 Body with setae………….......Annelida

C2 Body without setae………..Arthropoda

Which of the following statements are TRUE based on the dichotomous key above?

• Cnidaria does not have bilateral symmetry

• Both Nematoda and Annelida have bilateral symmetry

• Both Nematoda and Annelida have segmented body

• Cnidaria may have setae

Which of the following are based on the Linnaeus binomial system?

• Scientific name are given in Latin

• Genus name and species name must be underlined together

• The scientific name is specific to one particular species

• In printing, scientific names must be presented in italic