Energy Flow
What do arrows in a food web show
What is how energy moves
A bird cleaning bugs off a crocodile’s back helps both animals. What relationship is this?
What is mutualism
What happens to prey when more predators move into an ecosystem?
What is the prey population decreases?
What do we call the living parts of an environment?
What are biotic factors
What simple diagram shows one path of energy flow from producer to consumer?
What is a food chain
In a food chain, which type of organism always starts the energy flow?
What is a producer
One animal benefits and the other isn’t affected. What type of relationship is that?
What is commensalism
How can temperature changes affect an ecosystem?
What is they can change food availability and population size?
What do we call the nonliving parts, like sunlight, soil, and water?
What are abiotic factors?
What shows all the feeding relationships in an ecosystem?
What is a food web
Why does each level of an energy pyramid get smaller?
What is because energy is lost at each level (10% rule)
A tick living on a dog and sucking its blood is an example of what?
What is parasitism
What might happen if a new fish species is added to a lake that’s already at carrying capacity?
What is competition for resources causes the original fish population to decrease?
What do we call an area that includes both living things and their environment?
What is an ecosystem?
In a meadow, a beetle eats plants, a toad eats the beetle, and a snake eats the toad. What is this?
What is a food chain
Name the main source of energy for nearly all ecosystems
What is the Sun
What do we call the close, long term relationship between two different species?
What is symbiosis
What could happen to plant diversity if large herbivores overgraze an area?
What is plant diversity decreases
A desert or rainforest is an example of what large region grouped by climate and species?
What is a biome?
Which level of the energy pyramid has the most energy, top or bottom?
What is the bottom, the producers
Why are decomposers important for energy flow?
What is they recycle nutrients and energy from dead matter?
When two species both want the same limited resource, what is happening?
What is competition
If a disease spreads through a deer population, what likely happens to that population size
What is it decrease
What term describes the specific role or “job” an organism has in its ecosystem?
What is a niche
What happens to the amount of available energy as you move up the pyramid?
What is it decreases