A bee gets nectar from a flower. The flower gets pollinated. What relationship is this?
Answer: What is mutualism?
What is the main source of energy for most ecosystems?
Answer: What is the Sun?
Clue: What gas do plants take in from the air during photosynthesis?
Answer: What is carbon dioxide?
Answer: What is carbon dioxide?
Clue: What does biodiversity mean?
Answer: What is the variety of living things in an ecosystem?
A tick feeds on a dog's blood. The dog is harmed. What relationship is this?
Answer: What is parasitism?
Grass is eaten by a rabbit. What is the rabbit?
Answer: What is a primary consumer?
What process releases carbon dioxide when organisms use food for energy?
Answer: What is cellular respiration?
Clue: A forest has many different kinds of plants and animals. Does it have high or low biodiversity?
Answer: What is high biodiversity?
A lion hunts and eats a zebra. What relationship is this?
Answer: What is predation?
A food web shows grass → rabbit → snake → hawk.
If the rabbit population decreases in this food web, these two predators will face a food shortage and likely decline in numbers.
Answer: What are the snake and the hawk?
Clue: What process takes carbon dioxide out of the air and stores carbon in plant sugars?
Answer: What is photosynthesis?
Clue: A wildfire destroys part of a forest. Is this a natural or human-caused environmental change?
Answer: What is a natural environmental change?
Two birds compete for the same nesting space. What relationship is this?
Answer: What is competition?
If the grass population decreases, what may happen to the rabbit population?
Answer: What is the rabbit population may decrease because there is less food?
What human activity releases large amounts of stored carbon into the atmosphere?
Hint: Think cars
Answer: What is burning fossil fuels?
Clue: Pollution kills many fish species in a lake. What happens to biodiversity?
Answer: What is biodiversity decreases?
A small bird builds a nest in a tree. The tree is not helped or harmed. What relationship is this?
Answer: What is commensalism?
Why is less energy available at each higher trophic level?
Answer: What is organisms use energy for life processes and release much of it as heat?
A forest is cut down. Fewer trees are left to take in carbon dioxide. What could happen to atmospheric carbon dioxide?
Answer: What is it could increase because fewer trees remove it from the air?
Clue: Why is an ecosystem with high biodiversity often more stable when a change occurs?
Answer: What is more species may help keep the ecosystem functioning if one population decreases?