The rate of primary productivity is equal to the rate of secondary productivity.

a. True

b. False

The cloaca is used by 2 other body systems other than digestion. What are they

Do phospholipids form one layer

In Drosophila melanogaster, ebony body color is determined by the e allele. The e' allele produces the wild type honey-colored body.

Water is able to travel against gravity, from the roots of a plant to the leaves at the top of the plant.

What is the name of the part which stores genetic information in animal cells?

The secretions of the bulbo-urethral glands neutralize traces of acidic urine in the urethra and serve as a lubricant during sexual intercourse.

What two types of materials transfer thermal energy through convection?

A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. What are the genotypes of the parents?

A shrew requires about 4.2 kcal per day to simply exist. If you add in activity, the shrew needs about twice that amount. Which of the following would provide the shrew the highest number of kcal for the least amount of food in grams? A. protein B.

5. Which of the following statements is true of a scientific theory? A. It's an accepted explanation for how the world works. B. It explains what happens but not how it happens. C. It's a guess accepted by a few scientists. D.