Mexican American responses to discrimination after World War II included all but

Which heart chamber is the begining of the systemic circulation?  

Which blood vessel connects to the left atrium?  

Species adapted to stable and predictable environments, with small numbers of large offspring, that provide a lot of resources or parental care to offspring are known as _____ species.

_____ species are nonnative, intentionally, or accidentally introduced to an area by humans. For example, kudzu was introduced to the U.S. for soil conservation.

_____ break down organic matter, including animal waste.

The first species in an area undergoing primary or secondary succession.

_________________________ is a method to trace evolutionary history by using shared traits derived from a common ancestor to determine relationships. _______

Egrets perch on the backs of cattle while they graze.  The birds eat insects that the cows stir up, while the cows are neither harmed not helped. What term describes this relationship?

When two groups evolve in different directions as they adapt to different environments, and eventually they do not reproduce with each other, so they are considered different species, we call this _____ evolution.