Cells are the basic building blocks of life, which can join together to form tissues, while different groups of tissues join together to form organs. These organs are then connected together to form organ systems , such as the digestive system , which includes the stomach , esophagus , intestines and other organs .
<span>Personally, I wouldn't expect any significant results. Maybe he'll get lucky and get a new volcano, but 10 years is virtually nothing on the geologic timescale. That's like trying to measure how many times a person blinks in 0.1 seconds. You shouldn't expect to see any.</span>
Answer:
gills
Explanation: A fish without a jaw was the first vertebrate to evolve. These fish used filtration to capture their food and sucked water and debris from the sea through their mouths and then released the water and trash through their gills. Some features are as follows:
1. They have a notocorda that serves as support through the back of the fish.
2. Gill bags. These organs are responsible for filtering the oxygen in the water.
3. A pineal eye that is sensitive to light
4. A cartilaginous skeleton
Answer:
burning of coal
Explanation:
Coal contain carbon which combines with oxygen.
