Forest soils tend to be somewhat acidic. This acidity can be increased with acid rain. Which ion is typically present in soil with a high acidity?

A. Phosphate

B. Bicarbonate

C. Sulfate

D. Calcium

In poultry, the sex of offspring is determined by the * a. male b. female c. both the male and the female d. sometimes the male and sometimes the female

During which phase does the cell actually separate into two individual daughter cells? Prophase Cytokinesis Interphase Metaphase

Respiration and photosynthesis have least effect on the cycling of

What would both parents' alleles need to look like for brown eyed parents to have a blue eyed child? * A. Both parents would have to be homozygous recessive B. Both parents would have to be homozygous dominant C.

A certain type of horse has two possible alleles for the color of its coat: black (B) is dominant, while chestnut (b) is recessive. What would be the phenotype of a horse with the Bb genotype? A. black B. chestnut C. Black with chestnut spots D.

Compare and contrast the way the two types of glaciers move

Identify some human or plant diseases caused by protozoans.

Of the 3 types of rocks, which type is most likely to contain fossils? explain.

A marine biologist is examining the effects of oil pollution on a population of birds known as seagulls (Larus canus). She is particularly concerned that oil pollution may reduce the number of eggs raised in a seagull nest.

One of nature's most unique proteins provides cells with an abrasion-resistant, a condition known as: A) stratum germinativum B) dermal papilla C) melanin D) keratin