I know that one cell is egg, I think the other is paramecium.
Natural Changes That Can Affect an Ecosystem. Wind, rain, predation and earthquakes are all examples of natural processes which impact an ecosystem. Humans also affect ecosystems by reducing habitat, over-hunting, broadcasting pesticides or fertilizers, and other influences.
Answer: corpus callosum
Explanation: The corpus callosum is a large bundle of more than 200 million myelinated nerve fibers that connect the two brain hemispheres, permitting communication between the right and left sides of the brain.
In humans, tongue rolling is dominant to the inability to tongue roll. The chances a child will be a non-tongue roller is C. 0.5.
Its D. because when one type of nutrient is scarce or is running out or something like that then it will be limited or something. you know what i mean