« previous next »

Author Question: A primitive streak forms during the early embryonic development of A) birds, but (Read 708 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Oct 2, 2013
A primitive streak forms during the early embryonic development of
A) birds, but not frogs or humans.
B) frogs, but not birds or humans.
C) humans, but not birds or frogs.
D) birds and frogs, but not humans.
E) humans and birds, but not frogs.


clippers!

  • Hero Member
  • *****
  • Posts: 828
Reply #1 on: Oct 6, 2013
I remember it was E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Effects of growth rate on development. Effects of growth rate on development.
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
Distribution and Forms of Precipitation: Graupel and Hail Distribution and Forms of Precipitation: Graupel and Hail
Embryonic Period Embryonic Period
Cognitive Development in Children Cognitive Development in Children
Development of Morality in Young Children Development of Morality in Young Children
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library