If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?

1. O+

2. O-

3. AB+

4. AB -

Fish, frogs and most aquatic annimals release their eggs and sperm into the water for fertilization. However, may organisms, specially terrestrial animals, have evolved internal fertilizatioon.

What are the four different type of bases in DNA and how do they pair

A scientist is examining a simple multicellular organism with a nucleus and specialized organelles that was found in a moist environment. What kingdom does this organism belong to? 1. Animalia 2. Archaebacteria 3. Edibacteria 4. Protista

State the location, products and reactants for each of the three stages of cellular

Increased oxygen consumption would accompany A) increased heat production. B) increased conversion of lactic acid to glucose. C) increased aerobic respiration by muscle cells. D) increased muscle activity E) all of the above

Does brain size matter intelligency

In fruit flies the allele for long wings (L) is dominant and the allele for short wings (l) is recessive. What is the likely genotype of a fruit fly with short wings? A. Either LL or Ll B. Either Ll or ll C. Only LL D. Only ll

Which two body systems interact with each other in order to break down and transport the nutrients found in food?

Where are the chemicals secreted by the endocrine glands released into?

Human birth weights range very narrowly between 5.5 and 8.5 pounds. Babies much smaller than 5.5 lbs. suffer a higher mortality due to low birth weight, while babies much larger than 8.5 lbs.