Plants get their energy from the sun using Photosynthesis and animals get it from eating food.
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Cardiac muscle is involuntary and found only in the heart. Skeletal muscle is striated in regular, parallel bundles of sarcomeres. Cardiac muscle is striated, but the bundles are connected at branching, irregular angles called intercalated discs. Skeletal muscle tissue is about 15% denser than fat tissue
This process starts with a flower that contains several carpels with an equal number of ovaries. Each ovary contains a single ovule that develops into a seed following fertilization.