1. Define the following terms: a. Producer
b. Autotraph
c. Consumer
d. Heterotroph
e. Chemosynthesis
f. Photosynthesis

2. How does the stability of an ecosystem depend on its producers?

3. What are two process used by producers to obtain energy?

4. There are very few producers that live deep below a lake's surface. Suggest an explanation for this patter.

5. Could producers survive without consumers? Why or why not?

(1) Producer: An organism that makes it's own food it is the first Link any food chain[ green plants]

(2) Autotroph: An organism capable of synthesizing its own food from non-living substances using light or chemical energy.

(3) Consumer: An organism that eats other organisms

(4) Heterotroph: Organisms that obtain its food and energy by taking in living or once living material, usually plant or animal matter.

(5) Chemosynthesis: Process by which some organisms, such as certai (1) Producer: An organism that makes it's own food it is the first Link any food chain[ green plants]

(2) Autotroph: An organism capable of synthesizing its own food from non-living substances using light or chemical energy.

(3) Consumer: An organism that eats other organisms

(4) Heterotroph: Organisms that obtain its food and energy by taking in living or once living material, usually plant or animal matter.

(5) Chemosynthesis: Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates

(6) Photosynthesis: A process plants use to turn sunlight into food

How does the stability on an ecosystem depend on its producers?
they provide the basis for an ecosystems energy

What are the two processes used by producers to obtain energy?
photosynthesis and chemosynthesis

Few producers live deep below a lakes surface, suggest an explanation for this pattern
since sunlight is where most of the energy in an ecosystem comes from, there is less sunlight deep in a lake meaning less organisms can survive

Could producers survive without consumers?
without consumers, there would be too many producers and they would all compete with each other until they died out

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