Chapter 6

Question 0

Biomes

Answer 0

Geographic regions that contain communities composed of organisms with similar adaptations

Question 1

Convergent evolution

Answer 1

2 species descended from unrelated ancestors look similar

Question 2

Lotic

Answer 2

Flowing water

Question 3

Stream

Answer 3

Narrow channel of fast flowing freshwater

Question 4

River

Answer 4

A wide channel of slow flowing fresh water

Question 5

Riparian zone

Answer 5

Terrestrial vegetation alongside rivers and streams that is influenced by seasonal flooding and elevated water levels

Question 6

Allochthonous

Answer 6

Inputs of organic matter that come from outside of an ecosystem

Question 7

Autochthonous

Answer 7

Inputs of organic matter from algae and aquatic plants inside an ecosystem

Question 8

Organic matter in streams

Answer 8

Allochthonous

Question 9

Organic matter in rivers

Answer 9

Autochthonous

Question 10

Dams

Answer 10

Alter water temperature
Alter sedimentation rates
Disrupt water flow and movement of organisms

Question 11

Ponds and lakes

Answer 11

Non flowing water

Question 12

4 zones of ponds and lakes

Answer 12

Littoral zone
Limnetic zone
Profundal zone
Benthic zone

Question 13

Littoral zone

Answer 13

Shallow area around the edge of a lake or pond

Question 14

Limnetic zone

Answer 14

Open water beyond littoral zone

Photosynthetic organisms–> algae

Question 15

Profundal zone

Answer 15

Area that is too deep to receive sunlight

Low concentrations of oxygen

Question 16

Benthic zone

Answer 16

Sediments at the bottom of lakes and ponds

Question 17

Freshwater wetland

Answer 17

Aquatic biomes containing standing freshwater

Question 18

Salt marshes

Answer 18

Saltwater biome that contains non woody emergent vegetation

Question 19

Estuaries

Answer 19

Where the mouths of rivers mix with salt water from oceans
Contains salt and fresh water
High in nutrients

Question 20

Mangrove swamps

Answer 20

Salt tolerant trees with roots submerged in water

Question 21

Intertidal zones

Answer 21

Coastline between high and low tide
Harsh conditions
Fluctuating temps and salt concentrations

Question 22

Coral reefs

Answer 22

Mutualistic relationship with photosynthetic algae

Question 23

Coral bleaching

Answer 23

Colorless algae less corals

Question 24

3 zones of open ocean

Answer 24

Neritic zone
Oceanic zone
Benthic zone

Question 25

Photic zone

Answer 25

Photosynthesis can occur

Question 26

Aphotic zone

Answer 26

Sunlight can’t penetrate

Question 27

Growing season

Answer 27

Months that are warm enough to allow plant growth