Answer:
B. small heart-like pumps
Explanation:
Small heart-like pumps is a mechanism that is NOT used to propel lymphs through lymphatic vessels.
Answer:
Fatty acids are long chain carboxylic acids, they contain the carboxyl, COOH, functional group. The general formula for a fatty acid is R-COOH where R represents a long hydrocarbon chain. If the hydrocarbon chain, R, contains only single bonds between the carbon atoms, the fatty acid is said to be saturated.
Answer:
Birds and bats have homologous limbs because they are both ultimately derived from terrestrial tetrapods, but their flight mechanisms are only analogous, so their wings are examples of functional convergence.
Chemical energy. It is commen sense
The term for a group of similar cells working together is an Organism.
