Lecture 14- Protists

Question 1

Several types of protists can cause ____

Answer 1

Disease

Question 2

Dinoflagellates definition

Answer 2

• photosynthetic
• toxin-producing
• protists

Question 3

Some protists are _____, half of the fixed CO2 on earth is caused by _____

Answer 3

photosynthetic, marine protists

Question 4

Endosymbiosis theory

Answer 4

mitochondria originated when bacterial cell took up residence inside another cell

Question 5

Endosymbiosis definition

Answer 5

when an organism of one species lives inside the cells of an organism of another species.

Question 6

Ways that protists feed

Answer 6

1. Ingested packets of food (phagocytosis)
2. absorbing organic molecules from the environment
3. performing photosynthesis

Question 7

What other organelle does endosymbiosis theory work for?

Answer 7

Chloroplast

Question 8

Since a chloroplast has two membranes it came from ____

Answer 8

primary endocytosis

Question 9

Endosymbiosis theory for chloroplasts

Answer 9

chloroplasts occur in four major protist lineages and these protists acquired their chloroplasts via secondary endosymbiosis.

Question 10

Chloroplasts that under went secondary symbiosis have ____ membranes

Answer 10

4

Question 11

Sexual reproduction is uniquely _____ and originated in ____

Answer 11

eukaryotic, protists