Biology Forums - Study Force

The 360-million-year-old Acanthostega ____.
 A)had limbs but could not walk on land
 B)had limbs and could walk on land
 C)lived entirely on land
 D)had no limbs but lived on land
 E)lived entirely in water

Question 2

Surface creep is a common type of mass wasting in deserts.
  Indicate whether the statement is true or false

Question 3

Define soil degradation and discuss the processes leading to it.

Question 4

Limbs probably initially evolved to ____.
 A)walk on land
 B)swim in the ocean
 C)limbs have no function
 D)swim in shallow streams
 E)run

Question 5

Deserts are the one environment where wind erosion is more important than water erosion.
  Indicate whether the statement is true or false

Question 6

Discuss the origin of soils.

Question 7

What characteristic did the earliest fish have?
 A)armored plated skin
 B)jaws
 C)spiny skin
 D)plated skin
 E)ray-fins

Question 8

The major topographic features of western United States deserts formed during the Pleistocene Epoch.
  Indicate whether the statement is true or false

Question 9

Compare and contrast mechanical weathering and chemical weathering.

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I hope they're paying you for this because all of them were correct :lol:

not really, just a volunteer... and you're welcome ;)