The process of obtaining information by using your senses is called
observation
Decomposer
organism that breaks down dead plants, animals and waste
What is the source of all of the energy on Earth?
the sun
The job of the producer is....
provide food for themselves and other organisms
a food chain begins when
an animal eats a green plant
What is the first thing scientists do when they need to find an answer to a question?
research the problem
An animal that eats only plants is called..
an herbivore
The algae at the beginning of the food chain are....
producers
The third level of the food chain is called the....
tertiary consumer
A secondary consumer eats...
primary consumers
Students notice that the fall leaves of sugar maple trees turn red, but the leaves of the black oak trees turn brown. The student is making an....
observation
An animal that eats both plants and animals is called....
An omnivore
The first level of consumers is called....
primary consumers
Imagine that pollution caused all the plants in an aquatic food chain to die. Would that affect the population of the largest fish?
a. yes, because the largest fish need to eat plants to supplement their diet
b. yes, because all the food energy in the chain begins with the plants
c. No, because the largest fish are big enough to survive a change in the ecosystem
d. No, because only the smallest fish depend on the plants for survival
What type of consumers eats only producers
herbivore
A testable possible answer to a scientific question is a(n)...
hypothesis
Animals that hunt other animals to eat are called...
predators
In the diagram below, which is a decomposer?
fungi or mushrooms
Food webs illustrate....
the energy that passes from organism to organism
True or false...the scientific method always begins with performing an experiment?
False, it begins with an observation
A procedure carried out to gather data about an object or event is a/an....
an experiment
A collection of food chains is called....
a food web
Animals at the very top of a food chain are called.....
apex predators
What is the energy path that goes from producers to consumers to decomposers and describes the feeding relationship in an ecosystem?
a. food web
b. food chain
When the food chain is disrupted by the loss of a food source, we call that.....
trophic cascade