With mat irrigation, water moves by blank from the mat into the root substrate in the pot to maintain constant moisture A. Zero leaching
B. Capillary action
C. xeri-action
D. Overhead

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.