Ribosomes and endoplasmic reticulum
<span>The best answer is :
</span><span>A. bacterial growth reduces the chances of fire due to oil spill because s</span>praying fertilizers on an oil soaked area stimulates growth of bacteria that metabolize the oil and it speeds the natural breakdown process.
ATP is produced in the Calvin cycle
Organ. An organ is a system of tissues that work together on a larger scale to do certain jobs within an animal's body. Examples of organs are the brain, heart and lungs. Anatomy is an example of a biology specialty concerned with this level.
Answer:d.Paleozoic Era
Explanation:
Paleozoic Era is hallmarked by climate, animals & plants.
This Era includes the Ordovician Period, Silurian Period and the Devonian Period.
The Silurian Period is one during this era where aquatic plants and animals evolved.