Blood<span> is a heterogeneous </span>mixture<span> because the </span>blood<span> cells are physically separate from the </span>blood<span> plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change. Since it can be separated mechanically, it is not a chemical compound</span>
Lamprey and hagfish are jawless fish, with skeletons composed of cartilage. They do not have scales and are considered primitive fish. They are in the superclass cyclosystoma.
Answer:
prokaryotic cells do not have a nucleus or membrane bound organelles.They also have small rings of double-stranded extra-chromosomal DNA called plasmids.
One of the most intelligent invertebrate animal is the octopus. These animals belong to the cephalopod class of molluscs. These animals demonstrate relatively complex reasoning especially when capturing prey. They also demonstrate their intelligence by their communicating skills and some even show signs of learning.
Answer:Chlorophyll, carbon dioxide, Oxygen
Explanation: