Lesson 13 "The Riot and the Dance"

Question 1

a complex arrangement of contractile proteins beneath the cell membrane of euglenoids

Answer 1

pellicle

Question 2

Some photosynthetic euglenoids have a—– that is light sensitive and enables them to determine the direction of the light

Answer 2

stigma or eyespot

Question 3

Free-living dinoflagellates have two flagella. One is situated in a—– groove. The other is in a—– groove.

Answer 3

transverse, longitudinal

Question 4

Red tide is caused by a population explosion of a certain species of—–

Answer 4

dinoflagellates

Question 5

The toxic chemicals that make red tide dangerous to certain sea life are—–

Answer 5

neurotoxins