A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixtureconsists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
Lipids are unique because, they are made from one carbon skeleton unlike the other macro molecules groups which are made from smaller building blocks.
With the exception of steroid hormones, lipids are generally hydrophobic. Also lipids are relative small molecules when compare in size with other macromolecules.
YES your correct answer will be the letter B
1) The bean plant gets energy directly from the sun to make its food by photosynthesis
2) The squirrel's digestive system breaks down food for energy
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