Energy derived from food is used to create ATP, an energy-rich compound
Answer:
The fossils remains of arthropods, Echinoderms, Mollusk and other bilaterians appeared in Cambrian period and throughout the Paleozoic era.
Explanation:
Trilobites were marine group of arthropods that appeared in the Cambrian Period around 55.6 million years ago, eventually becoming extinct during the Permian Period. Most of the organisms were small, bottom-dwelling organisms that had fed on small organic matters in sediment on the sea bottom. The body is divided in three segments: head (cephalon), middle (thorax), and tail (pygidium). Many species had large, compound eyes. Fossils had define characters of having body divided in to head,thorax,and tail. Body had segmentation and citineious body layer.
Hello!
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Which of these is an effect of nonpoint-source pollution on agricultural land?
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The answer is "D. Salinization of cropland".
:)
Answer:
This is a physical change.
Explanation:
A change in state, such as a change from solid to a liquid, is a physical change.
