Dyes (stains) are commonly used in the biology lab to increase the

O magnification

O resolution

O density

O contrast

What force has the most influence on the depth of tides?

Many animals, including the brittle star and snapping shrimp, make their homes inside sea sponges. Here, the animals not only find safe shelter, but also have a constant flow of well-oxygenated water, and may even eat the substance produced by the

The cell nucleus is not found in direct contact with which of the following cellular structures? A. Cytosol B. Cytoskeleton C. ER D. Mitochondria

The land biomes are named for their A. Large animals? B. Predominant vegetation C. Average climate D. Physical location

An example of negative feed back mechanism is when an increased blood levels of estrogen and testosterone will decrease the levels of FSH and LH and thus inhibit spermatogenesis and ovulation. True False

These are singular, relatively long, whip-like organelles that many unicellular organisms use for motion.

Which element is classified as a noble gas? Sulfur, oxygen, argon or nitrogen

In horses, black hair color is dominant to chestnut hair color. If the black horse is homozygous, what is its genotype? If the black horse is heterozygous, what is its genotype?

describe one way a strawberry plant can benefit from the ability to use either mitosis or meiosis for reproduction.

What are deposits brought by flowing water known as