Why must organisms of the estuary be adapted to varying levels of salinity? a. fresh river water flows into the estuary
b. saline ocean water flows into the estuary
c. ocean tides increase and decrease the amount of ocean water
d. all of the above

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

People with one sickle cell allele are not likely to get malaria. what is this an example of?