What does the law of conservation of energy state?

Which of these statements is true of ecosystems?

A coral reef is damaged during a hurricane. The waves and currents move broken pieces of coral onto the beach. What happened to the matter in the broken pieces of coral?

Saw grass takes in light energy during photosynthesis. What happens to most of this energy?

Select the phrase that best describes a consumer in a food chain.

Select the phrase that best describes a decomposer in a food chain.

Energy is transferred between certain organisms in an ecosystem. Which of these statements explains why the sea grass is a producer?

Organisms all perform activities that allow them to survive. Which of these activities is a way that organisms get the energy they need to grow, breathe, and move?

How do organisms get the energy they need?

A freshwater marsh is a type of ecosystem. Grasses, fish, wading birds, frogs, and alligators live together in freshwater marshes. Pieces of decaying material sink to the bottom of the marsh. In which of these places can carbon be found in the marsh?

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