All of the factors listed are abiotic factors of this underwater ecosystem EXCEPT the
sunlight
water currents.
fish population
water temperature,

they deliver oxygen to the blood

lets get this bread mom

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive