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Biblioteka

Aquatic Ecosystems Test

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Posljednje ažuriranje about 8 years ago
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Pitanje 1
1.

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

Pitanje 2
2.

Most organisms live in the ____________________zone.

Pitanje 3
3.

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

Pitanje 4
4.

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

Pitanje 5
5.

Temperature, light and oxygen are examples of _______________factors

Pitanje 6
6.

Freshwater has _______amount of salt in it.

Pitanje 7
7.

Which natural disaster is made worse when people destroy esturies?

Pitanje 8
8.

What are areas where freshwater meets saltwater called?

Pitanje 9
9.

What are coral reefs?

Pitanje 10
10.

What special adaptations do intertidal species have?

Pitanje 11
11.

How do fish use oxygen from the water?

Pitanje 12
12.

Wetlands and esturaries purify water and filter out_______

Pitanje 13
13.

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

Pitanje 14
14.

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

Pitanje 15
15.

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

Pitanje 16
16.

Where is most dissolved oxygen located

Pitanje 17
17.

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

Pitanje 18
18.

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

Pitanje 19
19.

Aquatic ecosystem that recharges the aquifers and filters pollutants.

Pitanje 20
20.

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

Pitanje 21
21.

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

Pitanje 22
22.

Ecosystem that prevents soil erosion and flooding.

Pitanje 23
23.

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

Pitanje 24
24.

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

Pitanje 25
25.

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

Pitanje 26
26.

______________________________prevent fish migrations, feeding and leads to salination.

Pitanje 27
27.

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

Pitanje 28
28.

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

Pitanje 29
29.

Starting a forest is called_______

Pitanje 30
30.

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

Pitanje 31
31.

Salinity and temperature have an effect on the oceans_______

Pitanje 32
32.

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

Pitanje 33
33.

Which zone has three parts?

Pitanje 34
34.

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

Pitanje 35
35.

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

Pitanje 36
36.

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

Pitanje 37
37.

This ocean ecosystem that has sea otters as their keystone species

Pitanje 38
38.

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

Pitanje 39
39.

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

Pitanje 40
40.

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