Fresh-water ecosystems consist of ponds, streams, rivers, lakes, wetlands, and aquifers. Which of the following BEST describes these ecosystems?

(1 point)
Responses

low salt content, no photosynthesis

low salt content, no photosynthesis

low salt content, surrounded by land

low salt content, surrounded by land

high salt content, high photosynthesis

high salt content, high photosynthesis

high salt content, surrounded by land

9 answers

The option that BEST describes fresh-water ecosystems is:

low salt content, surrounded by land

Luke’s dog Morgan loves the beach and always finds a washed-up kelp stalk to drag around. What is MOST likely the depth of these coastal waters?

(1 point)
Responses

cool and shallow because kelp grow primarily in deep water

cool and shallow because kelp grow primarily in deep water

warm and shallow because kelp grow primarily in deep water

warm and shallow because kelp grow primarily in deep water

cool and shallow because kelp grow in relatively shallow water

cool and shallow because kelp grow in relatively shallow water

warm and shallow because kelp grow in relatively shallow water

The option that is MOST likely correct regarding the depth of the coastal waters where kelp grows is:

cool and shallow because kelp grow in relatively shallow water.

Yolanda is taking an aquatic field biology course. The topic of the day is abiotic factors. What can she MOST likely expect to learn about today?

(1 point)
Responses

the location, currents, and most prominent ecosystems of the water

the location, currents, and most prominent ecosystems of the water

the chemical composition, amount of light, and salinity of the water

the chemical composition, amount of light, and salinity of the water

the plants, animals, and oxygen saturation of the water

the plants, animals, and oxygen saturation of the water

the food chains, lunar cycles, and nitrogen sinks that affect the water

Yolanda can MOST likely expect to learn about:

the chemical composition, amount of light, and salinity of the water.

In which zone of the ocean do both kelp forests and coral reef ecosystems reside?

(1 point)
Responses

epipelagic zone

epipelagic zone

mesopelagic zone

mesopelagic zone

benthopelagic zone

benthopelagic zone

hadopelagic zone

Kelp forests and coral reef ecosystems both reside in the:

epipelagic zone.

Estuaries, lagoons, sounds, and sloughs are all different names for which type of aquatic ecosystem?

(1 point)
Responses

lotic ecosystem

lotic ecosystem

lentic ecosystem

lentic ecosystem

fresh-water ecosystem

fresh-water ecosystem

brackish ecosystem

Estuaries, lagoons, sounds, and sloughs are all different names for a:

brackish ecosystem.