Q: What structure connects the fetus to the placenta, allowing the exchange of gases? A:
OPTIONS:
- sediment cord
- skin cord
- belly button
- umbilical cord
umbilical cord

Q: The organ systems of the body work together to carry out life processes and maintain what? A:
OPTIONS:
- movement
- freshness
- consciousness
- homeostasis

Answer: homeostasis

Question: Q: All three axes are established before the zygote begins to undergo what? A:
OPTIONS:
- cloning
- birth
- twinning
- cleavage
Answer: cleavage

input with options: Q: Designed to exchange materials, what spongy structure consists of membranes and blood vessels from both mother and embryo? A:
OPTIONS:
- endometrium
- uterus
- umbilicus
- placenta
output: placenta

Q: Q: In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes? A:

OPTIONS:
- molecule
- genome
- phenotype
- chromosome

A: chromosome

Q: What is a random change in an organism's genes? A:
OPTIONS:
- meiosis
- infection
- accumulation
- mutation
mutation