Q: What is the main reason for weather change? Choices: - climate change - moving energy masses - seasons - moving air masses A:
moving air masses

Q: Water gains and loses what more slowly than does land, affecting seasonal conditions inland and on the coast? Choices: - volume - humidity - minerals - heat A:
heat

Q: Q: When salinity and pressure increase, or when temperature decreases, what happens to water density? Choices: - fluctuates - drops - stays the same - increases A:
A: increases

Question: Q: What do you call the first cell of a new organism? Choices: - embryo - starter cell - egg - zygote A:
Answer: zygote

*Question*
Q: Which type of ferns have yellow sporangia and no leaves? Choices: - Ostrich fern - Hothouse fern - Boston fern - whisk ferns A:
**Answer**
whisk ferns

Q: Q: The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? Choices: - fingers - claws - beaks - feathers A:
A: feathers