Answer:
As the animals die, they get covered in layers. The lowest being the oldest. The difference is showing us a direct link between the two fossils. This means that the longer-spined sea urchins existed before the shorter-spined sea urchins. And evolved to have shorter spines rather than long ones.
Explanation:
Ligaments are strips of tough tissues that serves as connective tissue for two or more bones and cartilages. These also holds the joints together. They also serve to protect and support the internal organs. Some of the most known ligaments in the body are that of the knees.
Answer:
Physical quantities that are derived from one or more fundamental physical quantities are called derived physical quantities. Examples: area, volume, speed, density , etc.
Explanation:
Hope this helps. Have a nice day^_^
D! They are both decomposing dead organic matter and metabolizing it through certain pathways to obtain energy! Hope this helped :)
Answer:
BRAINLIEST PLZZZ
Explanation:
They play a major role in protein synthesis. They act as the powerhouse for the cell. They are involved in the separation of chromosomes during cell division.