What level of a food web would an oak tree fit in?
The producer level.
200
All organism can fit into 1 of these 3 categories?
Producers, consumers and decomposers.
200
What unit do we use for measuring temperature?
Celsius
200
A group of individuals of the same species that live in the same area is known as a _______________.
Population
200
The arrows on a food represent...
Energy flow/feeding relationships
200
What level of the food web would a snake fit in?
Secondary. Grass --> Mouse --> Snake
300
________________ are organisms that break down and obtain energy from dead organic matter.
Decomposers
300
What is an ORGANIC matter made of?
dead organisms or decaying leaves
300
How do living and nonliving factors affect populations within an ecosystem?
Give one abiotic and biotic factor AND explaing their affects on an ecosystem.
Answer may vary...
300
A grasshopper that feeds on grass is a what....
A primary consumer
300
Where would a vegetarian fit in a food web?
Primary Consumer level
400
Physical, or nonliving, factors that shape ecosystems are...
Abiotic factors
400
Which of the following is a way of counting the number of organisms in a small area to estimate the number of organisms in a much larger area?
A) communicating
B) sampling
C) organizing
D) banding
B) Sampling
400
A __________________ is an assemblage of different populations that live together in a defined area
Community
400
What is the difference between a food web and a food chain?
A food chain shows a single flow of energy, whereas a food web is an interweaving design of food energy.
400
The ________ is the ultimate source of energy for all life on Earth.
The SUN!
500
Give an example of an autotroph and a heterotroph?
Plants are autotrophs, they create their own food.
Humans are heterotrophs, they depend upon others to get their energy.
500
Name a movie where a food web or a biological process is identified?
Ex. The Lion King, The Bee Movie, GATTACCA, etc.
500
Why are trees important for urban ecosystems?
A. Trees remove thousands of tons of pollutants from the city air
B. Trees help cool urban areas
C. Trees help reduce urban noise levels
D. All of the above
D. All of the above
500
The energy stored by producers can be passed through an ecosystem along a ________________, a series of steps in which organisms transfer energy by eating and being eaten.
A food web
500
If you studied ecosystems to learn about relationships between organisms and any changes in populations that take place over a long period of time, you would be