Flucuated between hot and cold periods
Explanation:
Carbon dioxide water and energy are the typical products of the breakdown of which type of molecule
<span>a)Stem cells must always be provided by a donor who is financially compensated.</span>
Answer
ecosystem
Explanation:
because a biome is s a collection of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.
That is where the fibers of the optic nerve exit the eye extending into the brain. there are no rods and cones there as a result.
