#Question id: 11638
#Unit 9. Diversity of Life Forms
Which group includes members that are important primary producers in ocean food webs, causes red tides that kill many fish, and may even be carnivorous?
#Question id: 11639
#Unit 9. Diversity of Life Forms
You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile, using many short extensions of the cytoplasm, each featuring the 9+2
filament pattern. It has well-developed organelles and three nuclei, one large and two small. This organism is most likely to be a member of which group?
#Question id: 11640
#Unit 9. Diversity of Life Forms
Which of the following is not characteristic of ciliates?
#Question id: 11641
#Unit 10. Ecological Principles
The number of individuals that a particular place can support indefinitely is called the
#Question id: 11642
#Unit 10. Ecological Principles
To obtain optimal yield, populations should be harvested at what part of the sigmoid growth curve ?
#Question id: 11643
#Unit 7. System Physiology – Animal
Rapid changes to skin color in many vertebrates is under the control of ________.