#Question id: 11506
#Unit 9. Diversity of Life Forms
A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced
mitochondria (mitosomes), no chloroplasts, and is anaerobic. To which clade does this organism probably belong?
#Question id: 11507
#Unit 9. Diversity of Life Forms
Which two genera have members that can evade the human immune system by frequently changing their surface proteins?
1. Plasmodium
2. Trichomonas
3. Paramecium
4. Trypanosoma
5. Entamoeba
#Question id: 11508
#Unit 9. Diversity of Life Forms
Which of these taxa contains species that produce potent toxins that can cause extensive fish kills, contaminate shellfish, and poison humans?
#Question id: 11509
#Unit 10. Ecological Principles
What is value of net reproductive rate?
#Question id: 11510
#Unit 10. Ecological Principles
Life history trait varies environmental condition, both survivorship and fecundity is habitat dependent in practice but intrinsic rate of increase can change as environmental change. Following life history trait is characteristic of r-selected species?
A) Later age at first reproduction B) Long generation time
C) Multiple broods per life spans D) Large number of offspring per brood
#Question id: 11511
#Unit 10. Ecological Principles
A metapopulation is