Answer:
The correct option is <em>A. Fins are an adaptation that aid in swimming.</em>
Explanation:
Fins are an adaptation which brings about different kinds of locomotion in fishes. They allow fishes to move forward, to turn their bodies, to keep an upright position. They also aid the fishes to swim. Also, there are certain types of fishes which can fly using pectoral fins. However, the fins were first used by fishes for locomotion. There are different types of fins present in different kinds of fishes. Each kind of fin is best suited to perform different actions.
No, there are unicellular organisms or single-celled organisms which have one cell...
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Answer:
Carbon can bond with many elements
Explanation:
Carbon can bond with many elements, including itself, to form macromolecules. Moreover, it can form four bonds, and that makes possible many different arrangements of the atoms in the molecules.
A is <em>wron</em>g. Carbon is among the seven smallest elements in the Periodic Table.
C is <em>wrong</em>. Carbon is found in living things because it can form macromolecules, not the other way around.
D is <em>wrong</em>. Carbon can bond with many other elements beside itself.
Answer:Osmosis is a type of diffusion
Explanation:
