Q: The gender of a baby is determined by what special pair of chromosomes? Choices: - diploid chromosomes - sister chromatids - reflection chromosomes - sex chromosomes A:
sex chromosomes

Q: How does the fungus benefit from the photosynthesizer? Choices: - shade - protection from chemicals - supply of carbon dioxide - supply of food A:
supply of food

Q: Q: What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance? Choices: - supression - generational replacement - pattern - succession A:
A: succession

Question: Q: What is the long, narrow tube that carries food from the pharynx to the stomach by the mechanism of peristalsis? Choices: - gallbladder - liver - spinal cord - esophagus A:
Answer: esophagus

*Question*
Q: What is the study of the interaction between matter and energy called? Choices: - astronomy - climatology - geology - chemistry A:
**Answer**
chemistry

*Question*
Q: Where do streams often start? Choices: - valleys - oceans - plains - mountains A:
**Answer**
mountains