Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what is an example of an animal that lacks a respiratory and excretory system?
OPTIONS:
- Dog
- Human
- alpacas
- cacti
- Starfish
- Leeuwenhoek
- Elephants
- cows
Starfish
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Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Slate is a metamorphic rock. Given the two facts above, what rock is formed by extreme heat and pressure?
OPTIONS:
- erosion
- crust
- calcite
- Slate
- dead
- forces
- fibrous
- complex
Slate
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Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm. Fact 2: First, a hat serves as insulation against convective heat transfer. Given the two facts above, what serves as insulation to keep the body warm?
OPTIONS:
- exoskeleton
- wearing hats
- wearing glasses
- Animal fur
- sweating
- with their fur
- wearing jewelry
- wearing nail polish
wearing hats
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Fact 1: Hibernation is used for conserving energy by some animals. Fact 2: Bears use the fat as energy over the winter hibernation. Given the two facts above, why do bears hibernate?
OPTIONS:
- use greater resources
- one celled organisms
- they are lazy
- conserve energy
- When it's cold
- hard outer covering
- hydration
- more sleep
conserve energy
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