Q: What is the average number of individuals per unit of area or volume called? Choices: - crowdedness - population structure - population count - population density A:
population density
------
Q: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns? Choices: - bright matter - wet matter - dark matter - gray matter A:
gray matter
------
Q: What is asexual reproduction in which an egg develops without being fertilized called? Choices: - metamorphosis - budding - binary fission - parthenogenesis A:
parthenogenesis
------
Q: What is it called when crystals form from magma? Choices: - sedimentation - transpiration - vulcanism - crystallization A:
crystallization
------