organisms (plants, algae) that make their own food are called ____.
What is a producer?
100
Animals that eat ONLY plants are called_________
What are herbivores?
100
A food chain passes ________ from one living thing to another.
What is energy?
100
Food webs are made from _________ _________ that overlap and mix with each other.
What is food chains?
100
When biomass is chemically broken down (usually burned or eaten), this gas is given off to the atmosphere.
What is carbon dioxide?
200
animals that need to eat food to live are called ____.
What are consumers?
200
Animals that eat ONLY other animals are called ______.
What are carnivores?
200
A food chain ALWAYS begins with this type of organism.
What is a producer?
200
The 4 main materials (elements) that are constantly being moved around and changing form in an ecosystem are ____ , ____ , ____ , and ____ .
What are carbon ; hydrogen ; oxygen ; nitrogen? CHON
200
This is the most important (essential) part of the water cycle because it causes water to evaporate. { ________ from the _________ }
What is energy from the sun?
300
All living things need food to give themselves _____________?
What is energy?
300
Animals that eat BOTH plants and animals are called _____.
What are omnivores?
300
The organism that eats the producer is called the ___________ .
What is consumer?
300
A food web can have many arrows showing energy flow from one single organism but a _____ _____ has arrows that only go from one single organism to one other single organism.
What is a food chain?
300
The path by which energy passes from one living thing to another is called a ___ ___ and the arrows show how the ______ flows from one organism to another.
What is a food chain / energy?
400
Radiant energy from the sun is transformed into _______ energy (food) for plants to use.
What is chemical energy?
400
Organisms that break down other dead organisms and help return their materials (nutrients) back to the environment are called ____.
What is decomposers?
400
Phytoplankton (mostly algae) lives in water environments and conducts photosynthesis so it is called a _________ .
What is a producer?
400
A food web is like a spider web, all things are connected...What happens when a part of it is pulled out or broken?
What is it can fall apart?
400
The amount of carbon in an environment always stays _____ ______ but just changes from one form or location to another.
What is stays the same?
500
Most living things _______ their own food during photosynthesis.
What is make or produce?
500
Besides carbon dioxide and water, plants have to have ________ from the sun to be able to make their own food (glucose).
What is energy?
500
make a food chain with the following:
-mouse
-snake
-seeds
-hawk
What is seeds - mouse - snake - hawk?
500
When decomposition of biomass is occurring (such as in a compost pile in a family's yard) then chemical energy is being converted to ____ energy as chemical bonds are broken.
What is heat or thermal?
500
The way in which carbon is used and reused in any environment is called the ______ ______.