Vascular systems are important to transport materials throughout the organism.
Explanation:
Index fossils are fossils type fossils that are used to identify stratigraphic records and their positions. They are vey key in determining relative ages of rock sequences.
- These fossils have a short vertical stratigraphic range.
- Index fossils have short evolutionary history.
- They are widely distributed in nature.
- Examples of index fossils are trilobites and ammonites.
Answer:
The arrow points from the organism being eaten to the organism that eats it.
Explanation:
Answer: ok i understand the 2 x2
Explanation: