Q: What is a thin layer of bacteria that sticks to a surface? Choices: - a choanocyte - a spicule - a monofilm - a biolfilm A:
a biolfilm

Q: The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science? Choices: - rock science - zoology - chemistry - life science A:
life science

Q: Q: What is the climate of a small area called? Choices: - ecosystem - biome - microevolution - microclimate A:
A: microclimate

Question: Q: Mutualism is a symbiotic relationship that has what effect on both species involved? Choices: - disadvantageous - harmful - destructive - beneficial A:
Answer: beneficial

*Question*
Q: Organisms interact with each other and what else? Choices: - thermal environment - atmospheric environment - outside enviroment - physical environment A:
**Answer**
physical environment

Q: The toothlessness of modern birds, which serves to trim the weight of the head, is an example of what? Choices: - mutation - genetic drift - variety - adaptation A:
adaptation