science: chpt. 19 test

Question 0

Microscopic protozoan parasite that infects insects and other organisms, causing disease

Answer 0

Microsporidium

Question 1

Heterotrophic, unicellular, animal-like protist

Answer 1

Protozoan

Question 2

A membrane layer that encloses a paramecium and some other protist

Answer 2

Pellicle

Question 3

Elongated, cylindrical structure that can discharge a spinelike structure that may function in defense, as an anchoring device, or to capture prey

Answer 3

Trichocysts

Question 4

Organelle that collects excess water in the cytoplasm and expels it from the cell; maintains homeostasis in hypotonic environments

Answer 4

Contractile vacuole

Question 5

Temporary cytoplasmic extensions that sarcodines use for feeding and movement

Answer 5

Pseudopod

Question 6

Hard, porous, shell-like covering of an amoeba

Answer 6

Test

Question 7

Able to emit light

Answer 7

Bioluminescent

Question 8

Group of cells or organisms that join together, forming a close association

Answer 8

Colony

Question 9

Reproductive life cycle that alternates between a diploid sporophyte generation and a haploid gametophyte

Answer 9

Alternation of generations

Question 10

Feeding stage of a slime mold in which it is a mobile cytoplasmic mass with many diploid nuclei but no separate cells

Answer 10

Plasmodium

Question 11

Chemical given off by starving amoeba-like cells that serves as a signal to the cells to form a slug like colony

Answer 11

Acrasin

Question 12

Plantlike, photosynthetic, unicellular organisms that can become parasitic when there is no light

Answer 12

Algae

Question 13

Unicellular, animal-like protist; they are heterotrophs that ingest bacteria, algae, or other protozoans

Answer 13

Amoeba

Question 14

In favorable conditions dinoflagellates reproduce in large numbers called _________. They deplete the oxygen in the water and suffocate fish.madditional fish suffocate when their gills are clogged with dinoflagellates. __________ have a red tint so when they die it lets off red tides that are a danger to humans.

Answer 14

Blooms

Question 15

It is a primary photosynthetic pigment; has the pigment that gives green color in plants

Answer 15

Chlorophyll

Question 16

They have yellow and brown carotenoids; unicellular, photosynthetic; have two flagella; reproduce sexually and asexually

Answer 16

Chrysophytes

Question 17

The outer cell membrane and an inner thickened cytoplasm of an amoeba

Answer 17

Ectoplasm

Question 18

Unicellular organism with membrane bound nucleus and organelles; formed when a large prokaryote engulfed a smaller prokaryote and eventually evolved into one organism

Answer 18

Eukaryote

Question 19

Can be a serious threat to humans because they produce a potentially lethal nerve toxin. The toxins affect people when they eat shellfish

Answer 19

Red tides

Question 20

Lives symbiotically with green algae; unicellular protozoan; reproduces by binary fission

Answer 20

Paramecia

Question 21

Characteristic of plants yet they lack a cell wall

Answer 21

Chloroplast

Question 22

List Habitats of Protists

Answer 22

Damp, aquatic environments such as decaying leaves, damp soil, ponds, streams, and oceans

Question 23

List the Classes of Algae

Answer 23

Diatoms, Dinoflagellates, euglenoids, chrysophytes, brow algae, green algae, red algae

Question 24

List some Uses for Algae

Answer 24

Red Algae is used for soup and sushi, brown algae is used to stabilize ice cream and syrup, green algae is in sea lettuce and meat, and diatoms are used as a filtering material in beverages and cooking oils

Question 25

List the Groups of Protists

Answer 25

Animal like, plant like, fungus like

Question 26

List the Phyla of Protozoans

Answer 26

Ciliates, Amoebas, Sarcodines, Apicomplexa, and Zoomastiginia,

Question 27

List Protists and Disease in Humans

Answer 27

African Sleeping Disease, American Sleeping Disease, and Malaria