They dont release any oil
they "preen" their feathers with their beaks not put oil on them
Answer: Nonpolar lipid layers
Explanation:
Answer:
(a) Allow movement in only one plane/direction (that is extension or flexion)
(b) The skeletal system also produces blood cells in their bone marrow
Absolutely not!
Your hypothesis is your educated guess on how the experiment will go. If in the end of your experiment, you find that your hypothesis was not supported, that does not make you wrong.
I hope this helps!
The correct option is RESILIENT.
The Alaskan forest usually undergo fire incident every year in order to enhance nutrient cycling of the ecosystem. Alaskan spruce is one of the plant find in the Alaskan forests and it is a very resilient plant, in that, when it is destroy by fire incident, it quickly grow back.
