What is the fetus' main job in the last trimester of pregnancy?

What do the terms Rigler and Tumblr have in common

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Which is an environmental change that occurs very slowly? A. global warming B. oil spill C. tsunami D. seasonal changes

What makes the dna of a sunflower similar and different to the dna of a cat?

Some phenotypes, such as eye color, are controlled by multiple genes. if eye color was controlled by 5 genes, how many possible phenotypes would there be

Describe what type of macromolecule lactose is and what the monomer of the macromolecule is

When Santos stands in a swimming pool and looks at his feet, his legs appear to be bent. Which is the term for this phenomenon? A) diffraction B) dispersion C) reflection D) refraction

What triggers pfiesteria change from a harmless algae feeder to a toxin producing fish killer?

Antibodies are made when animals detect a foreign antigen. All mammals carry albumin in their blood. How was a rabbit antibody against albumin created? Was this lethal to the rabbit? Explain you reasoning.

Why are there species instead of a continuum of various animals?