Q: Sexual reproduction is the combination of (usually haploid) reproductive cells from two individuals to form a third (usually diploid) unique offspring. sexual reproduction produces offspring with novel combinations of what? A:
OPTIONS:
- features
- cells
- phenotypes
- genes

Answer: genes

Q: A highway that switches back and forth as it climbs up a steep hillside, yeilding a much gentler slope, is an example of what simple machine? A:
OPTIONS:
- lever
- pulley
- wheel
- inclined plane

Answer: inclined plane

Q: How many chambers does an amphibian heart have? A:
OPTIONS:
- four
- two
- one
- three

Answer:
three