« previous next »

Author Question: Archaeopteryx fossils are those of a prehistoric a. bird. b. crinoid. c. trilobite. d. ground ... (Read 14 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
on: Jul 28, 2018
Archaeopteryx fossils are those of a prehistoric
 a. bird.
  b. crinoid.
  c. trilobite.
  d. ground sloth.

Question 2

The K-T impact is thought to have occurred at what site?
 a. Iridium
  b. Chicxulub
  c. Gubbio
  d. Alvarez


Jane

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

blue bird of paradise blue bird of paradise
lady bird spider lady bird spider
Discovering Fossils 05-30 Discovering Fossils 05-30
Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Bird carved from soapstone, Great Zimbabwe, Zimbabwe. Bird carved from soapstone, Great Zimbabwe, Zimbabwe.
Bird's nest fern, one of the many epiphytes. Bird's nest fern, one of the many epiphytes.
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library