Fact 1: Cross-pollination increases genetic diversity. Fact 2: Evolution requires genetic diversity. Given the two facts above, cross-pollination increases something required by what?

OPTIONS:
- gene flow
- flowers
- insects
- bushes
- Evolution
- plants
- ferns
- Reproduction

Answer: Evolution

Problem: OPTIONS:
- Change colors
- Fall over
- Fruit
- bloom time
- reproduce
- Stay green
- spread flower seeds
- staying warm
Q: Fact 1: The color of leaves on deciduous trees usually changes in the autumn season. Fact 2: Mulberry trees are deciduous. Given the two facts above, what do mulberry trees do in the autumn?
Answer: Change colors

Problem:OPTIONS:
- pubescence
- aging
- loss
- fever
- fusion
- birth
- infancy
- death

Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Cell division is by mitosis . Given the two facts above, what happens as mitosis slows for good?
****
A: aging

Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Animal migration is mystery of nature. Given the two facts above, natural disasters can cause ?
OPTIONS:
- deforestation
- kill them
- Pollution
- disease
- deadly
- erosion
- migration
- flooding
migration

Fact 1: Cells are organized into tissues, and tissues form organs. Fact 2: Different tissues are in turn grouped together to form functional units, called organs. Given the two facts above, cells are organized into tissues to what?
OPTIONS:
- Veins and arteries.
- allow growth
- move blood
- become functional units
- by keeping them warm
- organize hair
- protect plants
- change body color

Answer: become functional units

input with options: Fact 1: Chemical weathering causes iron in rock to oxidize. Fact 2: When iron oxidizes, it rusts. Given the two facts above, what does chemical weathering cause iron to do?
OPTIONS:
- rust
- vomit
- reacts
- bruise
- divide
- expand
- harm
- burned
output:
rust