« previous next »

Author Question: Life forms in the Precambrian included A) trilobites. B) brachiopods. C) coelacanths. D) ... (Read 99 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
Life forms in the Precambrian included
 
  A) trilobites.
  B) brachiopods.
  C) coelacanths.
  D) cyanobacteria.

Question 2

Life forms in the Precambrian include
 
  A) trilobites, brachiopods and stromatolites.
  B) cyanobacteria and trilobites.
  C) the agnatha and the coelacanths.
  D) stromatolites and certain primitive blue-green algae.


Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Redlichida, such as this Paradoxides, may represent the ancestral trilobites. Redlichida, such as this Paradoxides, may represent the ancestral trilobites.
The lemurs rediated into a variety of forms, including the sifaka. The lemurs rediated into a variety of forms, including the sifaka.
Jan de Heem, Still Life with Lobster. Jan de Heem, Still Life with Lobster.
Sexual Phase of the Fungal Life Cycle Sexual Phase of the Fungal Life Cycle
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library