Saturday
October 25, 2014

Homework Help: Science-check my answers plz

Posted by Princess Anna on Thursday, January 30, 2014 at 12:47pm.

Which of the following explains why sunlight is important to aquatic ecosystems?

Sunlight provides a source of heat energy to increase water temperatures.
Sunlight keeps harmful bacteria from taking over aquatic ecosystems.
Sunlight makes it possible for aquatic predators to see their prey underwater.
Sunlight provides light energy that allows photosynthesis to occur in plankton and aquatic plants.**



Which of the following differs when comparing the deep ocean to the intertidal zone?

need for energy
salinity
the amount of sunlight***
reliance on phytoplankton


Ponds and rivers are two types of

marine ecosystems.
rain forest biomes.***
freshwater ecosystems.
estuary ecosystems.

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