Which hypothesis of the evolution of the three domains of life, illustrated in this diagram, is compatible with the tree of life phylogenetic model?
a. nucleus-first hypothesis
b. mitochondrion-first hypothesis
c. eukaryote-first hypothesis
d. none of these are compatible
c. eukaryote-first hypothesis
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A plant will begin flowering in response to changes in length of daylight, temperature, and light quality. This is an example of which unifying principle of life?
A. Plants conduct photosynthesis. B. Living organisms maintain homeostasis. C. Living organisms interact with their environment. D. Living organisms grow and develop. E. Populations of organisms evolve from one generation to the next.
Which ocean zone stretches from the intertidal zone to approximately 200m deep?
a. oceanic zone b. abyssal zone c. neritic zone d. aphotic zone
Which includes one of the others as a specific type?
A. T cells B. macrophages C. B cells D. plasma cells E. neutrophils
The majority of mitochondrial proteins are manufactured under the direction of the nuclear DNA by cytoplasmic ribosomes.
Answer the following statement true (T) or false (F)