If a boy exhibits a sex-linked trait that is carried on the X chromosome, what must be true?

His mother exhibited the trait

His mother had at least one allele

How does nutrient losses compare between the natural and clear-cut watersheds

Smallest microorganisms

Which statement explains what happens at the water table

Which nutrient is required for the formation of collagen?

What are some of the physical changes frogs undergo during metamorphosis

Is evolution real? Religions say it isn't.

A population of Eastern Cottontail rabbits lives in a particular ecosystem. This population's major predator is the coyote and its major food source is vegetation.

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals

Which statement best describes the cycling of carbon between the atmosphere and geosphere? A Precipitation and condensation increasing the groundwater supply B Glaciers melting due to an increase in global climate temperatures C Volcanic activity

What did George Buffon contribute to evolution