Which would you expect to see in a family that carries an x-linked recessive trait?

1. more females than males express the trait

2. more males that flames express the trait

3. both express equal amount of trait

A change over time in the inherited traits of living things is called

Storing too much subcutaneous fat is more likely to lead to health problems than storing too much visceral fat. storing too much subcutaneous fat is more likely to lead to health problems than storing too much visceral fat. a. True b. False

The process by which organisms maintain a relatively constant internal conditions is called

Which isotope has a relatively short half-life? A: carbon-12 B: carbon-14 C: uranium-238 D: oxygen-16

Match the term with its descrption: septum thorax vocal cords mucus trachea alveoli sinus bronchus 1. thick, sticky substance 2. chest area 3. air sacs 4. cartilage dividing nose in two parts 5. mucous folds in voice box 6. windpipe 7.

Biomolecues are essential to all living things. Which biomolecule is "B" from the above table?

Which is an example of the use of plants in human society?

How do scientists put a gene of one organism into another?

A population of birds lives on a small island. Another population of the same species lives on the mainland. The distance between the island and the mainland is too great for birds to fly back and forth.

Which term best describes the interval between the birth of the newborn and the return of the reproductive organs to their normal nonpregnant state? A. Involutionary period because of what happens to the uterus B.