Why is it important that the xylem is adjacent to the phloem?

Sentence for specialist

For most genes on the human x chromosome, what percent of xy males with a mutant allele on the x chromosome will express the mutant phenotype? question 1 choices choice a., 0% choice b., 25% choice c., 50% choice d., 100%

Mitochondria that absorbs energy from the sun

Why does sexual reproduction result in more genetic variation in a species?

Explain how Earth's spheres may be affected by the droughts brought on by El Niño.

How many chromosomes do humans have? how many copies in normal cells? How many pairs? How many copies in sex cells?

How many times has blastopore fate changed over the course of evolution? -o times -1 time -2 times - multiple times

What is unique about the water near Antarctica? How does it drive global ocean circulation?

A physician examines a patient who complains of breathing problems. She finds fluctuations in the patient's blood pressure and heart rate. The physician thinks it's because of a brain injury. Which part of the brain is affected? A. Cerebellum B.

In natural selection what determines which color grey or green is advantageous