Mammal bird reptile amphibian plant Fish
Answer:
The genetic material, made of DNA or RNA
Explanation:
<span>Producers, like this plant, take in oxygen and release carbon dioxide during respiration, just like animals and other living things.
</span><span>Autotrophs obtain energy by the process of photosynthesis. Any living organism need energy to survive and autotrophs are no different.
</span>Producers uses the sunlight, water and CO2 to produce glucose and process it into energy.
CCK: cholecystokinin
Fatty acids stimulate the endocrine cells which start the production of CCK --> contracts gallbladder and releases bile.
