Ecology
Food Chains & Energy Flow
Succession & Org. Relationships
Cycles
Riddles
100
An individual living thing
What is an organism?
100
An organism that eats plants
What is an herbivore or primary consumer?
100
the starting point of primary succession
What is a barren rock?
100
Letter A in this picture.
What is oxygen?
100
You are in a dark room with a box of matches. On a table are a candle, an oil lamp, and a log of firewood. What do you light first?
The match! Can’t light any of those things without a lit match.
200
Identify a community in this ecosystem 
What are the polar bears, Arctic fox, seal, and starfish?
200
The species with the smallest population
What is the hawk population?
200
Mosses, Ferns, and lichens
What are examples of pioneer organisms?
200
The source of nitrogen for animals
What is protein from plants?
200
I have 13 hearts, but no lungs or stomach. What am I?
A deck of cards.
300
Temperature, pH, Humidity, water in an environment
What are abiotic factors?
300
the rule that a certain percentage of energy is passed from one trophic level to the next through consumption
What is the 10% rule?
300
A close relationship between two or more organisms
What is symbiosis?
300
Organism responsible for converting N2 gas into ammonia in the soil for plants to absorb
What is nitrogen-fixing bacteria?
300
You can hold me in your left hand but not your right. What am I?
Your right elbow (or hand)!
400
A population (define)
What are multiple individuals of the same species living together?
400
A food chain in this food web
What is grass, grasshopper, lizard, hawk, bacteria in that order? (answers can vary)
400
The relationship between humans and tapeworms
What is an example of parasitism?
400
The way primary producers provide carbon to primary consumers
What is feeding?
400
An electric train is headed east. Where does the smoke go?
Electric trains don’t produce any smoke!
500
A biome with a low amount of annual precipitation & high average temperature
What is a desert?
500
The energy available for the hawks when 23,000 kcal is available at primary producer level
What is 23 kcal of energy available?
500
A difference between primary and secondary succession
Which succession starts with barren rock and which starts with a climax community?
500
The two ways carbon is pulled from the atmosphere
What is photosynthesis and oceans dissolving carbon dioxide from the air?
500
What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?
The letter “R.”