Earthworms have two muscles which is used in locomotion. Both muscles are circular and longitudinal (inner layer of the series of muscles). The diameter of the earthworms body is reduced when the circular muscles are contracted which makes them appear to be thin. The worm appears short when the longitudinal muscles contract thus, its length is reduced.
Amphioxus on the other hand, have two unique muscle fiber types. This includes deep fibers and smaller but mitochondria-rich superficial fibers. E<span>ach of which has its own innervation.</span>
Answer:
b
Explanation:
The R in RNA stands for Ribosomes which are proteins.
If it is a healthy environment then the atmosphere will be happy meaning no dirty streets etc
Answer:
atlanta i think
Explanation:
In this case the reference point is Atlanta, this is where the family started their motion from. Such that this point may be used to describe their movement. It is sued to describe their movement to Baltimore.
Explanation:
Each step in a food chain or web is called a trophic level
