Answer:
the sun shines on earth, which through photosynthesis in a humble blade of grass turns into food and energy for the grass. now a small mouse hops along, stomach growling. it eats our blade of grass now itself getting energy. the naive, full mouse hops through the field before it squeaks in horror. a snake slinks towards it. the mouse is too slow. and the mouse breathes his last breath. the snake swallows it whole. stomach content now digesting its new energy sleeps. before it has the chance to react a hawk snatches it up in her claws. killing it she eats. this snake is poisonous, the next time our hawk flies, she stumbles, then falls. vanquished by poison her lifeless body lies in the dirt. her nutrients go into the soil, thanks to decomposers like worms. her nutrients help new grass blades grow, and the cycle continues.
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Answer:
The correct answer is B. No jaws. The new species resembles an ostrachodermi.
Explanation:
Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. They were little filtering organisms, with no mandible or jaws, and no paired fins. Their bodies were covered by squama, bony plates, and shields. They used to move in the bottoms when they were feeding on detritus.
Leroux health care can reduce the the cost of regular health care by offering more options in their network to doctors, hospitals, and clinics that don't cost as much. They can also help by offering genetic prescriptions which the costumer gets the same medication for a cheaper price. They can also offer prescription discount cards and provide a list of pharmacies the will accept the discount cards.
Answer:
These reactions are collectively called the urea cycle or the Krebs-Henseleit cycle. Ammonia is a toxic product of nitrogen metabolism which should be removed from our body. The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.
Answer:
Bateria
Explanation:
In humans, the flu virus and streptococcal bacteria cause infectious diseases, and they spread from person to person. In contrast, non-infectious (abiotic) disorders in humans include health conditions which are not transmitted from person to person or caused by an infectious agent
