Answer:
A. an increase in sea urchin biomass is associated with more intense grazing.
A pollen, Most plants produce asexually , and pollen is produced.
Depends, if the biotic factor is a chipmunk or something of that case, its natural habitat is a rock, which is biotic. but...if the animal is something like a deer they don't need abiotic factors. its your chose to chose but I'm leaning more twords false because not ALL biotic factors cant go without an abiotic factor
Answer:
Bile, informally known as stomach acid, chemically breaks down food early on in the digestive process.
Explanation:
Chewing is the first step in the process of digestion (assuming we are talking about humans and other animals with a similar digestive system) where the food is mechanically/physically broken down.
At the same time, saliva breaks down the food chemically (hence why leaving a simple carb such as bread in your mouth causes it to dissolve over time)
Once you swallow, muscles in the esophagus push the broken-down food to the stomach, where more chemical digestion takes place as a result of bile.
Answer: A.
Explanation:
The secondary growth of a plant happens in the vascular cambium. When the vascular cambium produces more tissues, it makes the stems thicker over time.
