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Photosynthesis is the process plants undergo to make energy. Carbon dioxide + water > oxygen and glucose. Plants need sunlight for this process to occur. The roots of the plant take water from the soil...

Thermoregulatory homeostasis helps to maintain the core body temperature at 37 degrees Celsius.When we are too hot the body's sweat glands secrete sweat onto the skin which then evaporates, allowing us to...

There is natural variation in the lengths of giraffes' necks. As there will be competition for food with other giraffes and other species, those with longer necks would r...

In a vaccination there are small quantities of a dead or inactive version of the pathogen.When you inject it into the individual's body ...

Plant and bacterial cells have a cell wall made of different material. Plant cell walls are primarily made of cellulose whereas bacterial cell walls are made of peptidoglycan. Animal cells lack cell walls...