Aquatic Ecosystems Test

By Jennifer Ewbank
Last updated over 6 years ago
40 Questions
1.

What color of the electromagnetic spectrum (light) travels the furthest in water?

2.

Most organisms live in the ____________________zone.

3.

When temperature and currents move nutrients from the bottom of the ocean to the top it is called___________

4.

The process that bacteria use to make their own food at deep sea vents.

5.

Temperature, light and oxygen are examples of _______________factors

6.

Freshwater has _______amount of salt in it.

7.

Which natural disaster is made worse when people destroy esturies?

8.

What are areas where freshwater meets saltwater called?

9.

What are coral reefs?

10.

What special adaptations do intertidal species have?

11.

How do fish use oxygen from the water?

12.

Wetlands and esturaries purify water and filter out_______

13.

This is the ocean shore between the lowest low tide and the highest high tide.

14.

Temperature, sunlight, and dissolved oxygen are all important factors in what?

15.

The distribution of life in aquatic ecosystems is determined by geography, light, depth, temperature, salinity, and dissolved oxygen.

16.

Where is most dissolved oxygen located

17.

Zone in freshwater ecosystems that is close to shore and contains many invertebrates.

18.

Zone in freshwater ecosystems that have no plants and in open water.

19.

Aquatic ecosystem that recharges the aquifers and filters pollutants.

20.

Type of wetland that has shallow water and shrubs and trees. Rich in nutrients

21.

What part of your pollution lab represents excess phorsphorus and nitrogen in water?

22.

Ecosystem that prevents soil erosion and flooding.

23.

Organisms living in this type of ecosystem can tolerate high changes in salinity and temperature.

24.

Type of tree that the roots can either grow up to capture oxygen or grow down to help it with support.

25.

Type of force that allows objects to float and is determined by density.

26.

______________________________prevent fish migrations, feeding and leads to salination.

27.

____________________cause destruction of habitat, disease, parasites, and competition.

28.

______________________________is caused by excessive food demands, market pressure, no management policies, and technology.

29.

Starting a forest is called_______

30.

______________changes hydrology, ambient water temperatures, chemistry, turbidiy, reduced light penetration, algae blooms, and acidification.

31.

Salinity and temperature have an effect on the oceans_______

32.

The ocean can be divided into 3 zones based on thier _______________.

33.

Which zone has three parts?

34.

Which zone in the ocean ecosystem extinds from the low tide to the edge of the continental shelf?

35.

Which ocean ecosytem has extremes in temp, moisture, sun exposure, salinity, predation, and nutrients?

36.

What are the stinging tentacles that coral have which allows it to feed?

37.

This ocean ecosystem that has sea otters as their keystone species

38.

This ocean ecosystem is at the edge of the continental shelf and contains few nutrients and 90% of the water.

39.

What are the primary producers in the open ocean food chain?

40.

Which part of the open ocean zone has rpredators that scavenge carcasses or organic detritus?