Protists 13 Bio

Question 1

Protists

Answer 1

Eukaryotic organisms in domain Eukarya
Have nucleus and other membrane bound organelle
Unicelled and multicelled organisms but most are unicellular. Include photoautotrophs and heterotrophs.

Question 2

Euglena

Answer 2

Unicellular. Live in fresh waster and move by flagella. If deprived of light it loses its chloroplasts and becomes a heterotroph.

Question 3

Dinoglafellates

Answer 3

Unicellular. Most are photosynthetic and single celled. Marine plankton, can be red, brown, yellow, green.

Question 4

Diatoms

Answer 4

Unicellular algae with glass like appearance consisting of SiO2.

Question 5

Algae

Answer 5

Can be uni, colonial, or multicellular.

Gold,, brown, green, red.

Question 6

Amoeba

Answer 6

Unicellular, moves by pseudopodia (false feet). Fresh water. Feeds on bacteria, algae, and some protozoans.

Question 7

Plasmodium

Answer 7

Unicellular. Causes Malaria. This is type of sporazoan.
Heterozygotes for sickle cell are at an selective advantage. The sickle cell has a shorter life span and prevents plasmodium from completing its life cycle.

Question 8

Paramecium

Answer 8

Contractile vacuoles expel water.

Micro and macro nucleus. Ciliates, using cilia for swimming. Built for speed.

Question 9

Slime molds

Answer 9

Unicellular, predatory, eat bacteria.

Question 10

Endosymbionts

Answer 10

Mitochondria and chloroplasts might have been smaller prokaryotes living in larger cells. Both have their own DNA. They resemble bacteria.

Question 11

Plastids

Answer 11

Include chloroplasts and chromoplasts.

Question 12

DNA similar to bacteria

Answer 12

Both divide by pinching in the half, both have their own cell membranes.

Question 13

Hydra are not protists

Answer 13

They are small aquatic animals, multicellular.