Answer:
Explanation:
archaea:they live in water area and usually eat some plants
bacteria:the germs that are in the air
eukarya:it is an animal well better said any animal because it has a cell membrane and nucleus to protect the cell
Answer:
6. Because of how old the rocks are
Explanation:
6. Sedimentary rock forms in layers because of the order they were formed. The older rocks will form first and as time goes on, rock forms above it to create a new layer, and so on.
In cardiac muscle
a. an action potential spreads throughout the Z discs.
b. intercalated discs connect the muscle fibers together.
c. calcium enters the cell from storage chambers called intercalated discs.
d. potassium is released from the sarcoplasmic reticulum
Answer:
b. intercalated discs connect the muscle fibers together.
Explanation:
Intercalated discs are components of the muscles found in the heart(cardiac muscles).
Intercalated discs join the cardiomyoctes (muscle cells or fibers) together so that they can function as one and transmit signals amongst themselves during the contraction of the heart.
Intercalated discs are made of up desmosomes and gap junctions.
Intercalated discs are found on the lining of the sacromere and can only be seen by using a microscope to observe the longitudinal section of the heart tissue.
Organisms breathe oxygen and drink water. Water and oxygen are nonliving things. ☺♥
According to my knowledge there are many. Ribosomes, Centrioles, ER. <span>cellular structure is NOT surrounded by at least one membrane.</span>