B)underwater
Explanation:
Judging by the presence of limestone in the Ordovician rocks, we can conclude that the ancient Indiana was once being underwater.
The fossils found in a rock are very good indicators of the paleoclimatic conditions in an area.
Since we have an abundance of rich marine organisms, then the area must have been under a vast expanse of ocean water.
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Explanation:
Structure:
These are temporary cytoplasmic projections and can appear for sometime and disappear at another. So, these don't have any specific structure.
Function:
These provide help in motility and are also used as a tool for capturing prey and phagocytosis.
The desert environment makes it difficult to take in water, so leaves that are small would adapt to the desert environment by trying to conserve the little water that they do receive. Therefore, your answer should be:
b. They minimize water loss.
Neuron- sends message from brain to move up.
Erythrocyte- keeps tissues involved alive, provides oxygen for energy for motion.
Leukocyte- keeps the tissues involved free of disease.
Muscle Fiber- causes the actual contraction of muscles to raise leg
