Which of the following statements is INCORRECT?
a. The most common way to determine the size of a population is to count or estimate the number of individuals in a number of samples.
b. A transect consists of a long triangle and a line of a certain length. The occurrence of any individual within a certain distance of the line is recorded.
c. Ecologists tend to use quadrats to sample a stationary population.
d. The density of a population is determined by determining the size of the quadrat and then dividing this by the average number of individuals in the quadrat

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

prothallium

explanation: