The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
Answer:
D
Explanation:
I know FOR SURE that A, B, and C are correct, so D isn't
The answer is She is moving to the traffic light, but she is not moving relative to the bus driver.
Hope I helped
Answer:
predators consuming prey transfers the energy that the prey original received from plants which get their energy from the sun
=> nucleus
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