IB biology 5.3 - Classification of biodiversity

What is the name of the system is used to give each organism a unique scientific name?

How can molluscs and platyhelminthes be distinguished?

• Molluscs are unsegmented but platyhelminthes are segmented

• Molluscs have a mouth and an anus but platyhelminthes do not

• Molluscs are smooth but platyhelminthes have bristles

• Molluscs remain attached to rocks but platyhelminthes move around in the water

Tags

NGSS.MS-LS4-2

Which is a coniferophyte?

• Adonsonia digitata - an African baobab tree with white flowers

• Cyathea australis - an Australian tree fern producing spores

• Hypnum plumaeforme - a green plant with no vascular tissue grown in Japenese gardens

• Pinus strobus - a North American tree with ovules on scales not enclosed in an ovary

To which domain does the shark Carcharodon carcharias belong?

• Eukaryote

• Consumer

• Fish

• Chordata

In which domain are bryophyta found?

• Plantae

• Archaea

• Eubacteria

• Eukaryote

Tags

NGSS.MS-LS4-2

The scientific name of the Wakatobi flowerpecker is Dicaeum kuehni. Which species is the most closely related?

• Amerila kuehni

• Wakatobi white-eye

• Kuehneon duchyense

• Dicaeum celebicum

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

An animal shows radial symmetry, has one opening leading to a digestive cavity and is soft without a skeleton. To which of the following phylum does it belong?

• Platyhelmintha

• Annelida

• Mollusca

• Cnidaria

A plant has cambium in its vascular tissue, and pollen is produced in male cones. The plant disperses seeds but does not produce fruit. In which phylum does this plant belong?

• Coniferophyta

• Angiospermophyta

• Filicinophyta

• Bryophyta

Which is a characteristic of both bryophyta and filinicinophyta?

• Vascular tissue

• Membranous leaves

• Release of spores

• Evergreen spines

Which of the organisms A-D identified by the key represents a reptile?

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2