Chemotherapy may cause fatigue and anemia, which may also lead to cognitive problems, particularly with the ability to pay attention. In addition, a survivor can experience other conditions that cause cognitive changes that may or may not be related to cancer or treatment.
There are currently 16 species of rock wallaby. Physical description. Rock wallabies specialise in rugged terrain and have modified feet designed to grip rock with skin friction rather than dig into soil with large claws.
1 Penguin Species. 2  There is some debate out there when it comes to the various species of penguins. 3  Many experts will tell you that there are only 17 of them. 4  Others believe that there are 18 of them. 5  African Penguin. 6  The Southern coast of Africa is where you will find the majority of the African Penguins.