Perch have paired pectoral and pelvic fins, and two dorsal fins, the first one spiny and the second soft. These two fins can be separate or joined.
False . Genetic mutations are random
Answer:
naturalistic observation
Explanation:
The best possible way to study how tigers interact with each other in their habitats would be to use a naturalistic observation. This type of observation focuses on observing the main subject of the study in it's natural environment without interfering in any sort of way. This allows the scientists to observe exactly how the tigers interact when there are no humans around.
There are many fuels that produce energy. Some are:
- Coal
- Nuclear Energy
- BioFuel
- Oil / Gas
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