In biology, a trait that arose in an ancestor and is passed along to its descendants is referred to as a

a) taxonomic group

b) physical similarity

c) molecular clock

d) derived character

Compare and contrast the roles of carbohydrates and lipids

Which of the following is not a factor in determining population size? a. the food supply b. birth rate c. available niches d. detritivore activity

A nurse needs to administer a subcutaneous heparin injection to a client. which injection site is most suitable for heparin?

Which best describes a bird's role as it eats seeds? parasite, predator, habitat, or niche?

Why would the oldest crust be in the centre of a plate of a continental crust furthest away from a plate boundary?

Explain how the positions of earth, moon and sun affect the tides

Each gene in a cell's DNA codes for a specific protein. True of False

What is the correct definition of a species? A. A population of creatures who all look the same B. A population of creatures who are all the same size C. A population whose members are all the same color D.

Which of the following hormones increases smooth muscle contraction?

It is important to share data from scientific experiments with others. Which of the following methods is a valid way to present collected data?