In the zygote, the cortical cytoplasm rotates about 30º with respect to the internal cytoplasm, this exposes a region of inner cytoplasm directly opposite the sperm entry point. This region is called as:

TLS Online TPP Program

#Question id: 12155

#Unit 10. Ecological Principles

Under which of the following conditions do the mathematical models for competition tell us that coexistence of two competing species is most likely? 

TLS Online TPP Program

#Question id: 12156

#Unit 9. Diversity of Life Forms

Which of the following correctly pairs a protist with one of its characteristics?

TLS Online TPP Program

#Question id: 12157

#Unit 9. Diversity of Life Forms

Which of the following statements concerning protists is false?

TLS Online TPP Program

#Question id: 12158

#Unit 9. Diversity of Life Forms

Which of the following is correctly described as a primary producer?

TLS Online TPP Program

#Question id: 12159

#Unit 9. Diversity of Life Forms

You are given the task of designing an aerobic, mixotrophic protist that can perform photosynthesis in fairly deep water (e.g., 250 m deep), and can also crawl about and engulf small particles. With which two of these structures would you provide your protist?

1. hydrogenosome

2. apicoplast

3. pseudopods

4. chloroplast from red alga

5. chloroplast from green alga

TLS Online TPP Program

#Question id: 12160

#Unit 9. Diversity of Life Forms

Which of these was not derived from an ancestral alpha proteobacterium?