Scientists believe that green algae, chlorophyta, are the ancestors of land plants. volvox, a green algae, gives us a clue to this progression in plant form because, as seen here
a) single cells joined together to form a unique colonial body form.
b) volvox has an advanced body structure with cells, tissues, and organ systems.
c) single cells, that can no longer live independently, joined to form a colony.
d) volvox colonies are organized on the organ system level much life flowering plants.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows:

answer; synapse; i believe this is correct,plz check first good luck;