Describe the difference between a closed and an open circulatory system.

Why is specialization necessary in multicellular organisms?

If nondisjunction occurs and an individual survives, which disorder can occur?

What would happen to a cell if its channel proteins were dam- aged and unable to transport particles? What would happen to the organism if many of its cells were damaged in this way?

Cell differentiation refers to: a) cell organelles with different structure b) all the functions inside a cell c) the difference between plant cells and animal cells d) different functions inside an organism

If true-breeding dark blue-flowered and true-breeding white-flowered plants are crossed, the hybrid plant has light blue flowers.

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.