biology exam #2 textbook questions

cellular slime molds

form a slug when cells aggregate in response to cyclic AMP

Which of the following is not true of the protists?

they are prokaryotic, as bacteria and archaea are

Water molds reproduce asexually by forming _____ and sexually by forming ______.

zoospores; oospores

Parasitic alveolates that form spores at some stage in their life belong to which group?

apicomplexans

Kelps are _______ with multicellular bodies differentiated into blades, stipes, holdfasts, and gas-filled floats.

brown algae

Paramecium and other ciliates often display a sexual phenomenon called

conjugation

Molecular evidence supports the view that all plastids evolved from an ancient

cyanobacterium

Photosynthetic protists with shells composed of two halves that fit together like a petri dish are

diatoms

The pigments, energy reserve products, and cell walls found in land plants are also characteristic of

green algae

malaria

is caused by an apicomplexan that spends part of its life cycle in the Anopheles mosquito and part in humans

Forams

secrete many-chambered tests with pores through which cytoplasmic extensions project