What is the environment where living and nonliving things interact called?
What is a Ecosystem
What is the original source of energy for almost all ecosystems?
The sun
simple path showing how energy passes from one organism to another is called a __________.
Food chain
A rabbit that eats grass is what type of consumer?
Herbivore (primary consumer)
When a living thing has to move to a new place because its needs aren’t met, this change is called __________
Migration
What word means “a group of the same kind of organism living together”?
What is Population
What type of organism uses sunlight to make food
Producer
A network of many food chains is called a __________.
Food web
A snake that eats a rabbit is what type of consumer?
Carnivore (secondary consumer)
A long-term relationship between two organisms that live closely together is called __________.
Symbiosis
What is the nonliving part of an ecosystem called?
Abiotic Factor
What do we call organisms that must eat other organisms to get energy
Consumers
In a food chain, which type of organism is always first?
Producer
A bear that eats fish and berries is a(n) __________.
Omnivore
When one organism is helped and the other is harmed, the relationship is called __________.
Parasitism
What do we call the living parts of an ecosystem?
Biotic Factors
When one organism eats another, what is being transferred
Energy
If all the plants in an ecosystem died, what would happen to the rest of the food web?
Consumers would eventually die
An organism that breaks down dead organisms and returns nutrients to the soil is a(n) __________.
Decomposer
A major fire burns through a forest. What happens to the populations of animals there?
Populations decrease or relocate
What is the role or "job" an organism has in its ecosystem called?
Niche
What is the term for energy moving from one organism to another?
Energy flow
What do arrows in a food web show?
Direction of energy flow
Give one real-world example of a decomposer.
Worms, fungi, bacteria, mushroom
When a new species enters an ecosystem and has no natural predators, it is called an __________
invasive species