Problem: OPTIONS:
- fuse
- leave
- CO 2
- fusion
- emerge
- grow
- H 2 O
- procreate
Q: Fact 1: Fertilization occurs when a sperm and an egg fuse. Fact 2: Fertilization is complete when the sperm and egg nuclei fuse. Given the two facts above, fertilization occurs when a sperm and nuclei what?
Answer: fuse
Problem: OPTIONS:
- Conifers
- watershred
- fossils
- H2O
- Echinoids
- bubbles
- loose soil
- bones
Q: Fact 1: Fossils are formed when layers of sediment cover the remains of organisms over time. Fact 2: Plants and animals are organisms. Given the two facts above, what forms when plants are covered in layers of sediment over time?
Answer: fossils
Problem: OPTIONS:
- population movement
- drive
- sparrows
- storing water
- reproduce
- huddle together
- genetic diversity
- hibernate
Q: Fact 1: An animal requires warmth for survival. Fact 2: Birds huddle together for warmth. Given the two facts above, birds do what for survival?
Answer:
huddle together