BIODIVERSITY

E . Coli Bacteria , in which live in human intestine are shaped like tiny , sausage like structures known as

• bacilli

• vibrios

• spirochetes

• cocci

Which of the following is a difference between bacteria and archae

• Archae are unicellular, band bacteria are colonial

• The genes of bacteria have introns, while archae lack introns

• They have different chemicals in their cell membranes and cell walls

• Bacteria are autotrophic and archae are heterotrophic

Which of the following state the difference between algae and protozoans?

• Algae are free living, and protoans are parasitic

• Protozoans can move and algae cannot

• Algae are photosynthetic and protozoans are heterotrophic

• Protozoans are autotrophic and algae are heterotrophic

The cell walls of fungi are composed of

• cellulose

• lipids

• glycogen

• chitin

Which group of fungi have hypae that are multinucleate and not divided by septa?

• monokaryotic

• unicellular

• ascomycete

• coenocytic

The club fungi typically reproduce by producing

• zygospores

• ascospores

• asci

• basidia

Ferns are vascular plants. Why must they live in the same habitat as the non-vascular bryophytes?

• the have spores

• they lack cuticle

• the have naked sperm

• they have a dominant gametophyte generation

Algae must live in a damp habitat because they lack

• cell walls

• a cuticle

• photosynthetic pigments

• all of these

The green leafy fern plants are

• sporophyte

• haploid

• gametophyte

• non-vascular

Which of the following is a necessary adaptation for a plant living on land?

• naked sperm

• multicellular gametangia

• sexual reproduction

• alternation of generation