Cell Transport Test (Test 3B HN) Which of the following is an example of active transport?Proteins moving ions from low to high concentrations across a cell membrane
Water diffusing throughout the cytoplasm of a cell
Chromosomes migrating during cell division
Cilia moving rapidly to propel a single-celled organism through water

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous