Answer:
Unsegmented soft body, Most have internal or external shell, Muscular foot and/or tentacles, and two pairs of gills except in pollinate snails.
Explanation:
There might be no food or places to live!
Animal cells are unique in that they do not exhibit cell walls.Plant cells exhibit very stiff pecto-cellulosic walls, notably because of the presence of cellulose microfibrils, the stiffness of which compares to that of steel.
The statement that is an example of part of a scientific theory statement that carbon is matter and cannot be created or destroyed (option A).
<h3>What is scientific theory?</h3>
Scientific theory is a coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principles of something known or observed.
A scientific theory can be said to be an hypothesis confirmed by observation or experiment.
Therefore, the statement that is an example of part of a scientific theory statement that carbon is matter and cannot be created or destroyed because it is an established fact.
Learn more about theory at: brainly.com/question/2375277
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Answer:
Andrea will study how many species in the area have gone extinct or endangered.
Explanation: