In the early cambrian, there was little tectonic activity in virginia and sediments were deposited along the continental margin. the deposition of sand, silt, and other clastic materials was gradually replaced by the deposition of limy sediments in the warm tropical waters of the iapetus ocean. if we were to look at the layers of rock dating back to this time period, we would expect to see

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Matched chromosomes carrying information about the same characteristics in the organism are called