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Home Q & A Board Biology-Related Homework Help General Biology
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Bishopoutlaw Bishopoutlaw
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6 years ago
Which microscope allows the use of color to enhance contrast?
 
  a. light
  b. scanning electron
  c. transmission electron

Question 2

Around 580 million years ago, the first simple animals are seen in the fossil record. These first fossilized animals
 
  a. had a hard protective shell protecting their bodies.
  b. were photosynthetic.
  c. were predominantly trilobites.
  d. were all land animals.
  e. were probably not related to the modern jellyfish and worms they resembled.
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ogilusinogilusin
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6 years ago
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Bishopoutlaw Author
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#2
6 years ago
This helps so much, thank you for responding so quickly...
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#3
6 years ago
No worries, I was online and bored Grinning Face with Smiling Eyes
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