Which ocean zone stretches from the intertidal zone to approximately 200m deep?
a. oceanic zone
b. abyssal zone
c. neritic zone
d. aphotic zone
c. neritic zone
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In the Hardy-Weinberg equation, p + q =_______, where p and q represent _________.
A. 0, allele frequencies B. 1, genotype frequencies C. 2, allele frequencies D. 2, genotype frequencies E. 1, allele frequencies
The development of the nervous system requires the migration and lengthening of neuronal cells. These events are
driven by ____.
a. pseudopods b. motor proteins c. flagella d. intermediate filaments e. microfilaments
What is the agricultural significance of root nodules on plants?
1.The nodules help hold soil in place so there is less erosion.
2.The nodules place nitrogen in the soil, so that less fertilizer is required.
3.The nodules increase the surface area of the root for water absorption, so less irrigation water is needed.
4.Root nodules would play no role in agricultural plants.
Which of the following is not an invasive species?
A) cheatgrass B) purple loosestrife C) ring-necked duck D) Asian longhorned beetle