Protists Flashcards
The domain of protista is
Eukarya
Protozoan possibly evolved from from the first ______ by ______
Eukaryotes, endosymbiosis
First eukaryotic organism to have evolved around ___ billion years ago
1.7 billion
They are primarily microscopic
True or false
True
They can be unicellular,______, And ______
Multicellular, colonials
They are found in
Fresh water, Marine and moist terrestrial habitats
They make up part of the _____
Zooplankton
Many species Are mutualists and some are _______
Parasitic
They are classified into the following (state why)
Animal like (Protozoa) - ingestive, heterotrophic
Plant like (algae)- photosynthesis, autotrophic
Fungus like(slime moulds)- absorptive, heterotrophic
Their movement includes
Cillia
Flagella
Pseudopodia (false feet)
Adaptions: fresh water Protozoa have ___ to pump out excsss water
Contractile
Adaptions Include
Eyespot (some can detect light )
Adaptions happen when ______
Conditions Are favourable
Protist benefits include
3
Planktons in ocean lakes and ponds are an important part of a large food web
They help synthesis a majority of the worlds oxygen
They help break down organic matter in digestive system
How do protists reproduce
Asexually Binary and multiple fission
And only very few reproduce sexually
How can protists be harmful and which classification are most likely
Protist called malaria uses mosquito as host to infect humans they act as parasites also they are most likely classified as animal like
Protists are mostly _____ majority
Unicellular
Can be heterotrophic and autotrophic
True
Kingdom of protist is____
Protista
Archae and bacteria are eukaryotic or prokaryotic
Prokaryotic
Prokaryotic cells do not have a ____
Nucleus
Few kinds of protists are ______ and can reproduce _____
Multicellular, sexually
Where do protists live
Aquatic moist environments
Eukaraya is one of the domains the 4 kingdoms in it include
Protists, fungi , plantae, Animilia
Protist, bacteria and archae are they eukaryotic or prokaryotic
Protist - eukaryotic
Bacteria, archae - prokaryotic
