Author: EDHSBiology

APES QOD March 27

Which of the following is a common component of photochemical smog and is reddish brown gas with a pungent odor? A) Methane, CH4 B) Carbon Dioxide, CO2 C) Carbon Monoxide, CO D) Ozone, O3 E) Hydrogen, H

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First Five March 27

What natural factors control the numbers in a population? Why is the human population a concern to many people and our planet?

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First Five March 23/24

How many people live in the City of Visalia? Explain how we could we use this information to make projections for the future? What is a population? What challenges do rapidly growing populations like Visalia present?

Posted in Biology, First Fives

APES QOD March 23

From Q1 on the 2009 FRQ (b) Identify a nitrogen-containing primary pollutant that contributes to the formation of photochemical smog. Describe how that primary pollutant forms and explain why Councilman Budd was wrong. (c) Identify one secondary pollutant that is a

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First Five March 21/22

 What is the source of NEW genetic variation? Why is this important in regards to natural selection?  Explain how migration (gene flow), genetic drift, and natural selection each effect allele frequencies?

Posted in Biology, First Fives

APES QOD March 21

Q: Which of the following is a greenhouse gas that is also a by-product of anaerobic respiration? a. Methane b. Nitrogen  c. Oxygen d. Nitrogen dioxide e. Hydrogen sulfide

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First Five March 20

Which model explains  that evolution happens in small sudden changes? Why would this model explain the lack of transitional fossils in the fossil record? What questions about evolution and the process of natural selection do you still have?

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First Five March 16/17

In a population with two alleles, A and a,  the  allele frequency of a is 0.3.  What is the frequency of heterozygotes in the population if the population is in Hardy-Weinberg equilibrium? Why is natural selection NOT considered a random

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APES QOD March 16

Algae blooms caused by fertilizer runoffs usually result in A) phytoplankton population explosions B) contaminated shellfish beds C) increased fish populations D) increased productivity E) oxygen depleted waters Explain why this occurs.

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APES QOD March 14

The next four questions  refer to the following qualities of water samples. (A) Acidity (B) Turbidity (C) Hardness (D) Dissolved oxygen (E) Salinity 1. Measured on the pH scale 2. Caused by suspended particulates 3. Decreased by the breakdown of organic

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