Fact 1: Fungi have special structures for penetrating a host. Fact 2: Mushrooms are an example of fungi. Given the two facts above, what have special structures for penetrating a host?

OPTIONS:
- a cuticle
- orchids
- parasites
- alveoli
- ferns
- bacteria
- epidermal
- Mushrooms

Answer: Mushrooms

Fact 1: Fish have a circulatory system with a two-chambered heart. Fact 2: Each side of the heart is divided up into two chambers. Given the two facts above, ish have a circulatory system with what?

OPTIONS:
- our nearest star
- divided heart
- solid, liquid, gas
- Veins and arteries.
- kinetic energy
- flow of electrons
- reducing acid rain
- matter vibrating

Answer: divided heart

Fact 1: Humans have collected and grown mushrooms for food for thousands of years. Fact 2: Humanity's use of mushrooms extends back to Paleolithic times. Given the two facts above, since when have mushrooms been eaten?

OPTIONS:
- Medieval times
- To keep their body heat.
- Paleolithic times
- it keeps an organism warm
- the body's largest organ
- The Great Depression
- important habitats
- Modern times

Answer: Paleolithic times

Fact 1: Male dogs use pheromones in urine to mark their territory. Fact 2: Pheromones are chemicals produced by insects to communicate. Given the two facts above, what uses chemicals in urine to mark their territory?

OPTIONS:
- rabbit
- bears
- viruses
- male dogs
- alpacas
- athletes
- humans
- bacteria

Answer:
male dogs