Answer: The answer is the rental system.
Explanation: It produces, stores and eliminates urine and the fluid waste excreted by the kidneys.
A genotype is the genetic coding of a trait, so it's a paired combination of genes. A genotype has two alleles, which can be dominate or recessive, but overall the answer should be <span>a paired combination of genes</span>
Answer:
They are 3 in numbers
Explanation:
which are the airway, the lungs, and the muscles of respiration
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. <span>Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.</span>
