Biodiversity Kingdom Plantae and kingdom Animalia

The most diverse, successful, and familiar group of plants today are the

• Gymnosperms

• Bryophytes

• Pteridophytes

• Angiosperms

Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as :

• monoecious

• dioecious

• homosporous

• heterosporous

Alternation of generations in plants refers to the alternation of __________________.

• diploid and haploid stages

• male and female stages

• meiotic and mitotic stages

• spore and seed stages

Which of the following statements are true about plants in the Phylum Coniferophyta?

I Xylem tissue lacks xylem vessels

II Phloem tissue lacks companion cell

III Heterosporous

IV Shows alternation of generation

• I, II, and III

• I, II and IV

• II, III and IV

• I,II, III and IV

Most sponges are ____________________.

• bilaterally symmetrical

• radiallly symmetrical

• vertically symmetrical

• asymmetrical

Which phylum is comprised of acoelomate, bilaterally symmetrical and tripoblastic

organisms?

• Annelida

• Nematoda

• Cnidaria

• Platyhelminthes

The nematodes are also called _________________.

• flatworms

• roundworms

• tapeworms

• Spiralworms

All chordates have _________ at some stage in their life cycle

• pharyngeal cleft

• bones

• spinal nerve cord protected by bone

• all of the above

Which of the following phyla exhibits a radial symmetry

• Cnidaria

• Platyhelminthes

• Mollusca

• Chordata

Water exits from a sponge through the _______________.

• osculum

• spicule

• choanocyte

• amoebocyte