the major difference between the position of producers and primary consumers in the food chain-
Primary consumers make up the second level of the food chain, while producers make up the third level of the food chain.
Primary consumers make up the last level of the food chain, while producers make up the first level of the food chain.
Primary consumers make up the first level of the food chain, while producers make up the last level of the food chain.
Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.
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It occurs because of contraction of the muscle layers. There are two types of muscle found in the alimentary canal; longitudinal and circular muscle, the alternating contraction of these muscles forces the bolus of food through the digestive system.
Answer:
The use of genetic engineering in developing disease-resistant plants. The techniques of genetic engineering can be used to manipulate the genetic material of a cell in order to produce a new characteristic in an organism.
The gravitational pull of the moon tugs on the surface of the ocean until its surface mounds up and outward in the direction of the moon.