Answer: <span>
1- Holding head erect
2- Sitting on a firm surface without support
5. Bearing majority of weight on legs
By the time the baby is ten months he should be able to support his own head, firmly sit and bear the weight of the body in their legs. Also they crawl and possibly walk using furniture as support.
</span>
Other organism would have to compete with the Zebra Mussels and most likely cause a collapse within these different populations
Answer:
allows plants to absorb energy from light.
One example is that humans use many different type of animals and plants to create new medicines. If biodiversity was not present we wouldn't have all the sources needed for these medicines, and in turn a lot more people would remain ill.
Diffusion through a permeable membrane moves a substance from an area of high concentration (extracellular fluid, in this case) down its concentration gradient (into the cytoplasm). The passive forms of transport, diffusion and osmosis, move materials of small molecular weight across membranes.