Aquatic animals use less energy than land animals. (True or false?)

Aquatic animals use less energy than land animals.
 
  Indicate whether the statement is true or false

Question 2

Broadleaf weeds in a cornfield can be killed with a(n) _____ herbicide without damaging the corn.
 
  A) selective
  B) nonselective
  C) aspecific
  D) specific

Question 3

Using examples, summarize the role of light in germination.
 
  What will be an ideal response?

Question 4

Fish are not very efficient farm animals.
 
  Indicate whether the statement is true or false

Question 5

Herbicides work by upsetting the plant's _____.
 
  A) mineral supply
  B) final size
  C) weed potential
  D) metabolism