Biology Forums - Study Force

Biology-Related Homework Help Environmental and Conservation Biology Topic started by: crchicota on Mar 9, 2018



Title: To aid in moisture retention, _____ matter is added to the soil because it holds many times its own ...
Post by: crchicota on Mar 9, 2018
To aid in moisture retention, _____ matter is added to the soil because it holds many times its own weight in water.
 
  A) nitrogen
  B) ash
  C) mulch
  D) organic

Question 2

Soil is composed of _____ ingredients.
 
  A) 2
  B) 4
  C) 6
  D) 8

Question 3

If green plants show a _____ color, this indicates a nitrogen deficiency.
 
  A) white
  B) yellow
  C) dark green
  D) purple

Question 4

Match the pest terms with the pest definitions.
 
 

a. arachnid d. pest
  b. vector e. weed
  c. insect
  1. living organism that carries disease organism
  2. organism that may adversely affect human activities
  3. eight-legged animal
  4. considered undesirable and out of place
  5. six-legged animal



Question 5

Plants that host nitrogen-fixing bacteria are called ____.
 
  A) legumes
  B) vegetables
  C) microorganisms
  D) nematodes

Question 6

Organic matter improves soil structure through _____.
 
  A) mulching
  B) peat moss
  C) aggregation
  D) wood chips

Question 7

What is the area of the soil called that contains the roots of plants?
 
  A) parentsphere
  B) hemisphere
  C) R horizon
  D) rhizosphere


Title: To aid in moisture retention, _____ matter is added to the soil because it holds many times its own ...
Post by: kduv99 on Mar 9, 2018
Content hidden


Title: To aid in moisture retention, _____ matter is added to the soil because it holds many times its own ...
Post by: crchicota on Mar 9, 2018
:heavy_check_mark: Will marking this solved...