The different traits within a population are caused by option for answer 1. Genetic variety, 2. Natural selection, 3. Pollution. Due to these differences the best traits in the population for survival will show up more frequently due to option for answer 1. Genetic variety, 2. Natural selection, 3. Pollution.

Why are adults bigger than they were as children biology

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron