Lunchtime
This is a living thing that must eat other organisms for food.
What is a consumer?
This shows how each member of an ecosystem gets its food.
What is a food chain?
This is a group of organisms of the same species.
What is a population?
This pH range is best for fish.
In this type of interaction, one animal hunts another.
What is predator-prey?
This is a consumer that eats both plants and animals.
What is an omnivore?
This shows how energy moves between levels in a food chain.
What is an energy pyramid?
This includes all layers of Earth that support life.
What is the biosphere?
The cloudiness of water is called this.
What is turbidity?
This interaction occurs when two organisms live close together for a long period of time.
What is symbiosis?
These are known as nature's recyclers.
What are decomposers?
Many food chains connect to make this.
What is a food web?
Populations of different species group together to make up this.
What is a community?
These chemicals are found in fertilizer and can cause an overgrowth of aquatic plants.
What are nitrates and phosphates?
This is an organism that enters an area where it doesn't naturally belong.
What is an invasive species?
Energy from the sun becomes a usable form for the ecosystem through this reaction.
What is photosynthesis?
Food webs always begin with this type of organism.
What is a producer?
This is a group of living things and their physical surroundings
What is an ecosystem?
This measures the amount of dissolved oxygen used by bacteria in the water.
What is the biological oxygen demand test?
This is a nonliving thing that enters an ecosystem and causes harm.
What is a pollutant?
In any food web, these are the most abundant types of organisms.
What are producers?
This refers to the process of toxins becoming more concentrated as they move up a food chain.
What is biomagnification?
This is the change in size of a population over time.
What is a growth rate?
This is a tool used to measure turbidity.
What is a secchi disk?
This type of interaction is the primary means of limiting the population size of apex predators.
What is competition?