Answer:
The femur is an example of bone as an organ; spongy bone is an example of bone as a tissue.
Explanation:
Answer: a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
a small cavity or space in tissue, especially in nervous tissue as the result of disease.
Origin
mid 19th century: from French, diminutive of Latin vacuus ‘empty’.
Translate vacuoles to
Use over time for: vacuoles
Explanation:
Answer:
A
Explanation:
A because the introns are edited then linked together by nucleotides
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
