Answer:
c
Explanation:
The mouth doesn't produce sperms.
Answer:
The phylum platyhelminthes includes the organism like flatworms, earth worm and many other species. They play a major role in the marine, terrestrial and freshwater ecosystem. It contains a variety of nutrient sources.
Explanation:
They are of great importance from the times when there were no other organism.
Plant cell walls are rigid membranes on the outermost part of the cell. The cell wall provides a structured shape for the cell, helping the cell retain its form and shape. The cell wall also controls the rate of replication, allowing plant cells to replicate at a much slower rate than animal cells.
That is the second planet Venus
Answer:
a scholarly work falls within the journal's scope, the research topic has been clearly formulated, a suitable approach has been taken to address the scientific issues involved.
Explanation: