Based on embryo studies, blood proteins, and biochemistry of muscle activity, chordates may be more closely linked to
echinoderms than other phyla.
a. True
b. False
True
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What are the four stages of population shift from rural to urban areas in the United States of America over the last 200 years?
What will be an ideal response?
What is an atom?
A)a negatively charged particle that circles a nucleus B)a positively charged particle within a nucleus C)the smallest particle into which an element can be divided while still retaining the chemical characteristics of that element D)a combination of elements E)a particle in the nucleus that has no charge
Temperature advection
A) is not a significant factor in the upper atmosphere. B) is often detected through examination of the orientation of height contours and isotherms. C) refers to the vertical movement of warm air. D) always occurs simultaneously with temperature conduction.
Animism is
A) the reverence of all mammals. B) the combined reverence of mammals and birds. C) the belief that cows are sacred. D) the belief that inanimate objects and natural events have a discrete spirit and conscious life. E) another term for vegetarianism.