#Question id: 8856
#Unit 9. Diversity of Life Forms
Which of these can be observed in the
mesohyl of various undisturbed sponges at one time or another?
1. amoebocytes
2. spicules
3. spongin
4. zygotes
5. choanocytes
#Question id: 10746
#Unit 10. Ecological Principles
The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.
#Question id: 11136
#Unit 7. System Physiology – Animal
Most of the neurons in the human central nervous system are ________.
#Question id: 4129
#Unit 3. Fundamental Processes
Which of the following statements about the tRNA that normally accepts phenylalanine is false? (mRNA codons for phenylalanine are UUU and UUC.)
#Question id: 9226
#Unit 9. Diversity of Life Forms
The main purpose of movement corridors is to ________.