Soil Food Web

Question 1

How many individual bacteria will be found in a handful of healthy soil?

Answer 1

Billions

Question 2

Soil Food Web

Answer 2

Complex community of organisms that interact through energy, nutrients, and carbon

Question 3

First trophic level

Answer 3

Photosynthesizers

Question 4

Second trophic level

Answer 4

decomposers, parasites

Question 5

Third trophic level

Answer 5

shredders, predators, grazers

Question 6

Fourth trophic level

Answer 6

Higher level predators

Question 7

Fifth + trophic levels

Answer 7

Highest level predators

Question 8

Autotroph

Answer 8

gets carbon from CO2

Question 9

Heterotroph

Answer 9

gets carbon from organic matter

Question 10

Phototroph

Answer 10

gets energy from sun

Question 11

Chemotroph

Answer 11

gets energy from biochemical oxidation or organic energy sources

Question 12

Chemoheterotroph examples

Answer 12

all animals, fungi, most bacteria

Question 13

Chemoautotroph examples

Answer 13

ammonia oxidizers

Question 14

Photoheterotroph examples

Answer 14

select algae

Question 15

Photoautotroph examples

Answer 15

Plants, algae, cyanobacteria

Question 16

Bacteria is the ______ size cellular organism, and are the most _________ population

Answer 16

smallest
abundant

Question 17

Archaea environments

Answer 17

wide range, including very extremes

Question 18

Archaea are important for _________

Answer 18

nitrification

Question 19

Fungi primary responsibility is decomposition of ________________

Answer 19

Complex macromolecules

Question 20

__________ fungi for symbiotic relationships with plants

Answer 20

Mycorrhizal

Question 21

Fungi can be ___________ causing disease in plants and animals

Answer 21

pathogenic

Question 22

Many protists are part of the ________ class

Answer 22

predator

Question 23

Protists cannot be killed with fungicides due to their __________

Answer 23

cellulose call wall

Question 24

Clubroot is caused by

Answer 24

a soil borne protist pathogen

Question 25

Photosynthetic organisms such as algae and cyanobacteria must stay near the soil ___________

Answer 25

surface