Detritivores feed on dead plant and animal remains.
Robert Hooke was the first person to discover cells, but what he was observing was a dead plant cell. The first person who observed living cells was Leeuwenhoek.
Robert Hooke was the person who invented the microscope and first observed the cells in a cork.
A scavenger eats the remains of dead animals.
If you will not use fresh mounts, some cells might be dead and some cellular movements might not be observed.
Robert Hooke observed dead cells in a cork.
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The dead cells in any plant or lifeforms often help the plant to survive, as they provide the plant with nourishment and certain vitamins available after the said cell has ceased existence.
The cells that were first seen were nonliving.
The remains of an animal. -------------------------- Fossils are the remains of a dead plant or animal that have been preserved for a long time.
Detrivores.
Coal