3.3 Vocab

Question 1

Biome

Answer 1

a collection of abiotic and biotic factors

Question 2

Canopy

Answer 2

a dense leafy covering formed by tall trees

Question 3

Understory

Answer 3

another leafy covering formed by and smaller trees beneath

Question 4

Humus

Answer 4

a material formed from decaying leaves and other organic matter

Question 5

Taiga

Answer 5

dense forests of evergreens in the northern edge of temperate zones, also called boreal forests

Question 6

Permafrost

Answer 6

layer of permanently frozen subsoil found in tundra

Question 7

Photic Zone

Answer 7

sunlit region near surface of water where photosynthesis can’t occur

Question 8

Aphotic Zone

Answer 8

dark region of water where photosynthesis doesn’t occur

Question 9

Plankton

Answer 9

made of two groups:
floating algae-phytoplankton
free swimming animals-zooplankton

Question 10

Wetland

Answer 10

ecosystem where water covers the soil or is present at or near the surface for at least part of the year

Question 11

Estuary

Answer 11

a wetland formed where rivers meet the sea