Fact 1: Evolution occurs by a process called natural selection. Fact 2: Speciation is an extension of evolution. Given the two facts above, what occurs by a process called natural selection?

OPTIONS:
- competition
- root growth
- mitosis
- meiosis
- speciation
- cellular respiration
- Plants growth
- Animal survival

Answer: speciation

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Yep, lizards are chordates, just like humans. Given the two facts above, what have a complete digestive system and closed circulatory system?

OPTIONS:
- protist
- sharks
- cows
- lizards
- mammals
- viruses
- crocodiles
- bacteria

Answer: lizards

Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are the bodies way of fighting infection. Given the two facts above, what do plasma cells allow our bodies to fight?

OPTIONS:
- resistance
- parasites
- infection
- illness
- Hostile armies
- invasion
- hair
- Leptospirosis

Answer: infection

Fact 1: Behaviors can be learned through play. Fact 2: Everyone can have fun and play together. Given the two facts above, what can behaviors be?

OPTIONS:
- dangerous
- positive
- movement
- protect them
- harmful substances
- smoking cigarettes
- Fun to learn
- mechanical

Answer:
Fun to learn