All of the Above
The urinary system carries out essential bodily function that help to maintain the body.
Apart from the obvious function of excreting <span>nitrogenous wastes, it helps to maintain an acid-base </span>homeostasis, regulate electrolyte balance and even helps to control blood volume and pressure
If this oil<span> mixes with dead </span>skin<span> cells and blocks a pore, it </span>can<span> produce a pimple.</span>Sebaceous glands<span> produce </span>oil<span> called sebum that moves up hair follicles to the surface of the </span>skin<span>, where the </span>oil<span> lubricates </span>skin<span> and hair. The </span>gland<span> may keep producing </span>oil<span> when the opening is blocked, leading to a pimple.</span>
5. they both photosynthesize.
6. they had to be able to get water from their new environment and retain this water. They also had to adapt to reproduction on land (use of pollinators - this is co-evolution)
7. Because those animals are their pollinators.
